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v6.9.4
   1/*
   2 * Copyright 2015 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 */
  23
  24#include <linux/pci.h>
  25
  26#include <drm/drm_edid.h>
  27#include <drm/drm_fourcc.h>
  28#include <drm/drm_modeset_helper.h>
  29#include <drm/drm_modeset_helper_vtables.h>
  30#include <drm/drm_vblank.h>
  31
  32#include "amdgpu.h"
  33#include "amdgpu_pm.h"
  34#include "amdgpu_i2c.h"
  35#include "atom.h"
  36#include "amdgpu_atombios.h"
  37#include "atombios_crtc.h"
  38#include "atombios_encoders.h"
  39#include "amdgpu_pll.h"
  40#include "amdgpu_connectors.h"
  41#include "amdgpu_display.h"
  42
  43#include "bif/bif_3_0_d.h"
  44#include "bif/bif_3_0_sh_mask.h"
  45#include "oss/oss_1_0_d.h"
  46#include "oss/oss_1_0_sh_mask.h"
  47#include "gca/gfx_6_0_d.h"
  48#include "gca/gfx_6_0_sh_mask.h"
  49#include "gmc/gmc_6_0_d.h"
  50#include "gmc/gmc_6_0_sh_mask.h"
  51#include "dce/dce_6_0_d.h"
  52#include "dce/dce_6_0_sh_mask.h"
  53#include "gca/gfx_7_2_enum.h"
  54#include "dce_v6_0.h"
  55#include "si_enums.h"
  56
  57static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
  58static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
  59
  60static const u32 crtc_offsets[6] =
  61{
  62	SI_CRTC0_REGISTER_OFFSET,
  63	SI_CRTC1_REGISTER_OFFSET,
  64	SI_CRTC2_REGISTER_OFFSET,
  65	SI_CRTC3_REGISTER_OFFSET,
  66	SI_CRTC4_REGISTER_OFFSET,
  67	SI_CRTC5_REGISTER_OFFSET
  68};
  69
  70static const u32 hpd_offsets[] =
  71{
  72	mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
  73	mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
  74	mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
  75	mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
  76	mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
  77	mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
  78};
  79
  80static const uint32_t dig_offsets[] = {
  81	SI_CRTC0_REGISTER_OFFSET,
  82	SI_CRTC1_REGISTER_OFFSET,
  83	SI_CRTC2_REGISTER_OFFSET,
  84	SI_CRTC3_REGISTER_OFFSET,
  85	SI_CRTC4_REGISTER_OFFSET,
  86	SI_CRTC5_REGISTER_OFFSET,
  87	(0x13830 - 0x7030) >> 2,
  88};
  89
  90static const struct {
  91	uint32_t	reg;
  92	uint32_t	vblank;
  93	uint32_t	vline;
  94	uint32_t	hpd;
  95
  96} interrupt_status_offsets[6] = { {
  97	.reg = mmDISP_INTERRUPT_STATUS,
  98	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  99	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
 100	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
 101}, {
 102	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
 103	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
 104	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
 105	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
 106}, {
 107	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
 108	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
 109	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
 110	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 111}, {
 112	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 113	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 114	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 115	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 116}, {
 117	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 118	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 119	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 120	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 121}, {
 122	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 123	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 124	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 125	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 126} };
 127
 128static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
 129				     u32 block_offset, u32 reg)
 130{
 131	unsigned long flags;
 132	u32 r;
 133
 134	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 135	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 136	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 137	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 138
 139	return r;
 140}
 141
 142static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
 143				      u32 block_offset, u32 reg, u32 v)
 144{
 145	unsigned long flags;
 146
 147	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 148	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset,
 149		reg | AZALIA_F0_CODEC_ENDPOINT_INDEX__AZALIA_ENDPOINT_REG_WRITE_EN_MASK);
 150	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 151	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 152}
 153
 154static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 155{
 156	if (crtc >= adev->mode_info.num_crtc)
 157		return 0;
 158	else
 159		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 160}
 161
 162static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 163{
 164	unsigned i;
 165
 166	/* Enable pflip interrupts */
 167	for (i = 0; i < adev->mode_info.num_crtc; i++)
 168		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 169}
 170
 171static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 172{
 173	unsigned i;
 174
 175	/* Disable pflip interrupts */
 176	for (i = 0; i < adev->mode_info.num_crtc; i++)
 177		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 178}
 179
 180/**
 181 * dce_v6_0_page_flip - pageflip callback.
 182 *
 183 * @adev: amdgpu_device pointer
 184 * @crtc_id: crtc to cleanup pageflip on
 185 * @crtc_base: new address of the crtc (GPU MC address)
 186 * @async: asynchronous flip
 187 *
 188 * Does the actual pageflip (evergreen+).
 189 * During vblank we take the crtc lock and wait for the update_pending
 190 * bit to go high, when it does, we release the lock, and allow the
 191 * double buffered update to take place.
 192 * Returns the current update pending status.
 193 */
 194static void dce_v6_0_page_flip(struct amdgpu_device *adev,
 195			       int crtc_id, u64 crtc_base, bool async)
 196{
 197	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 198	struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
 199
 200	/* flip at hsync for async, default is vsync */
 201	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
 202	       GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
 203	/* update pitch */
 204	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
 205	       fb->pitches[0] / fb->format->cpp[0]);
 206	/* update the scanout addresses */
 207	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 208	       upper_32_bits(crtc_base));
 209	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 210	       (u32)crtc_base);
 211
 212	/* post the write */
 213	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 214}
 215
 216static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 217					u32 *vbl, u32 *position)
 218{
 219	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 220		return -EINVAL;
 221	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 222	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 223
 224	return 0;
 225
 226}
 227
 228/**
 229 * dce_v6_0_hpd_sense - hpd sense callback.
 230 *
 231 * @adev: amdgpu_device pointer
 232 * @hpd: hpd (hotplug detect) pin
 233 *
 234 * Checks if a digital monitor is connected (evergreen+).
 235 * Returns true if connected, false if not connected.
 236 */
 237static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
 238			       enum amdgpu_hpd_id hpd)
 239{
 240	bool connected = false;
 241
 242	if (hpd >= adev->mode_info.num_hpd)
 243		return connected;
 244
 245	if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
 246		connected = true;
 247
 248	return connected;
 249}
 250
 251/**
 252 * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
 253 *
 254 * @adev: amdgpu_device pointer
 255 * @hpd: hpd (hotplug detect) pin
 256 *
 257 * Set the polarity of the hpd pin (evergreen+).
 258 */
 259static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
 260				      enum amdgpu_hpd_id hpd)
 261{
 262	u32 tmp;
 263	bool connected = dce_v6_0_hpd_sense(adev, hpd);
 264
 265	if (hpd >= adev->mode_info.num_hpd)
 266		return;
 267
 268	tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
 269	if (connected)
 270		tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
 271	else
 272		tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
 273	WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
 274}
 275
 276static void dce_v6_0_hpd_int_ack(struct amdgpu_device *adev,
 277				 int hpd)
 278{
 279	u32 tmp;
 280
 281	if (hpd >= adev->mode_info.num_hpd) {
 282		DRM_DEBUG("invalid hdp %d\n", hpd);
 283		return;
 284	}
 285
 286	tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
 287	tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
 288	WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
 289}
 290
 291/**
 292 * dce_v6_0_hpd_init - hpd setup callback.
 293 *
 294 * @adev: amdgpu_device pointer
 295 *
 296 * Setup the hpd pins used by the card (evergreen+).
 297 * Enable the pin, set the polarity, and enable the hpd interrupts.
 298 */
 299static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
 300{
 301	struct drm_device *dev = adev_to_drm(adev);
 302	struct drm_connector *connector;
 303	struct drm_connector_list_iter iter;
 304	u32 tmp;
 305
 306	drm_connector_list_iter_begin(dev, &iter);
 307	drm_for_each_connector_iter(connector, &iter) {
 308		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 309
 310		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 311			continue;
 312
 313		tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 314		tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
 315		WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 316
 317		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 318		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 319			/* don't try to enable hpd on eDP or LVDS avoid breaking the
 320			 * aux dp channel on imac and help (but not completely fix)
 321			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 322			 * also avoid interrupt storms during dpms.
 323			 */
 324			tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 325			tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
 326			WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 327			continue;
 328		}
 329
 330		dce_v6_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
 331		dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 332		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 333	}
 334	drm_connector_list_iter_end(&iter);
 335}
 336
 337/**
 338 * dce_v6_0_hpd_fini - hpd tear down callback.
 339 *
 340 * @adev: amdgpu_device pointer
 341 *
 342 * Tear down the hpd pins used by the card (evergreen+).
 343 * Disable the hpd interrupts.
 344 */
 345static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
 346{
 347	struct drm_device *dev = adev_to_drm(adev);
 348	struct drm_connector *connector;
 349	struct drm_connector_list_iter iter;
 350	u32 tmp;
 351
 352	drm_connector_list_iter_begin(dev, &iter);
 353	drm_for_each_connector_iter(connector, &iter) {
 354		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 355
 356		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 357			continue;
 358
 359		tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 360		tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
 361		WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 362
 363		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 364	}
 365	drm_connector_list_iter_end(&iter);
 366}
 367
 368static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 369{
 370	return mmDC_GPIO_HPD_A;
 371}
 372
 373static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
 374					  bool render)
 375{
 376	if (!render)
 377		WREG32(mmVGA_RENDER_CONTROL,
 378			RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
 379
 380}
 381
 382static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
 383{
 384	switch (adev->asic_type) {
 385	case CHIP_TAHITI:
 386	case CHIP_PITCAIRN:
 387	case CHIP_VERDE:
 388		return 6;
 389	case CHIP_OLAND:
 390		return 2;
 391	default:
 392		return 0;
 393	}
 394}
 395
 396void dce_v6_0_disable_dce(struct amdgpu_device *adev)
 397{
 398	/*Disable VGA render and enabled crtc, if has DCE engine*/
 399	if (amdgpu_atombios_has_dce_engine_info(adev)) {
 400		u32 tmp;
 401		int crtc_enabled, i;
 402
 403		dce_v6_0_set_vga_render_state(adev, false);
 404
 405		/*Disable crtc*/
 406		for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
 407			crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
 408				CRTC_CONTROL__CRTC_MASTER_EN_MASK;
 409			if (crtc_enabled) {
 410				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 411				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 412				tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
 413				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 414				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 415			}
 416		}
 417	}
 418}
 419
 420static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
 421{
 422
 423	struct drm_device *dev = encoder->dev;
 424	struct amdgpu_device *adev = drm_to_adev(dev);
 425	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 426	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 427	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 428	int bpc = 0;
 429	u32 tmp = 0;
 430	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 431
 432	if (connector) {
 433		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 434		bpc = amdgpu_connector_get_monitor_bpc(connector);
 435		dither = amdgpu_connector->dither;
 436	}
 437
 438	/* LVDS FMT is set up by atom */
 439	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 440		return;
 441
 442	if (bpc == 0)
 443		return;
 444
 445
 446	switch (bpc) {
 447	case 6:
 448		if (dither == AMDGPU_FMT_DITHER_ENABLE)
 449			/* XXX sort out optimal dither settings */
 450			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
 451				FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
 452				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
 453		else
 454			tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
 455		break;
 456	case 8:
 457		if (dither == AMDGPU_FMT_DITHER_ENABLE)
 458			/* XXX sort out optimal dither settings */
 459			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
 460				FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
 461				FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
 462				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
 463				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
 464		else
 465			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
 466				FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
 467		break;
 468	case 10:
 469	default:
 470		/* not needed */
 471		break;
 472	}
 473
 474	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 475}
 476
 477/**
 478 * si_get_number_of_dram_channels - get the number of dram channels
 479 *
 480 * @adev: amdgpu_device pointer
 481 *
 482 * Look up the number of video ram channels (CIK).
 483 * Used for display watermark bandwidth calculations
 484 * Returns the number of dram channels
 485 */
 486static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
 487{
 488	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 489
 490	switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
 491	case 0:
 492	default:
 493		return 1;
 494	case 1:
 495		return 2;
 496	case 2:
 497		return 4;
 498	case 3:
 499		return 8;
 500	case 4:
 501		return 3;
 502	case 5:
 503		return 6;
 504	case 6:
 505		return 10;
 506	case 7:
 507		return 12;
 508	case 8:
 509		return 16;
 510	}
 511}
 512
 513struct dce6_wm_params {
 514	u32 dram_channels; /* number of dram channels */
 515	u32 yclk;          /* bandwidth per dram data pin in kHz */
 516	u32 sclk;          /* engine clock in kHz */
 517	u32 disp_clk;      /* display clock in kHz */
 518	u32 src_width;     /* viewport width */
 519	u32 active_time;   /* active display time in ns */
 520	u32 blank_time;    /* blank time in ns */
 521	bool interlaced;    /* mode is interlaced */
 522	fixed20_12 vsc;    /* vertical scale ratio */
 523	u32 num_heads;     /* number of active crtcs */
 524	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 525	u32 lb_size;       /* line buffer allocated to pipe */
 526	u32 vtaps;         /* vertical scaler taps */
 527};
 528
 529/**
 530 * dce_v6_0_dram_bandwidth - get the dram bandwidth
 531 *
 532 * @wm: watermark calculation data
 533 *
 534 * Calculate the raw dram bandwidth (CIK).
 535 * Used for display watermark bandwidth calculations
 536 * Returns the dram bandwidth in MBytes/s
 537 */
 538static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
 539{
 540	/* Calculate raw DRAM Bandwidth */
 541	fixed20_12 dram_efficiency; /* 0.7 */
 542	fixed20_12 yclk, dram_channels, bandwidth;
 543	fixed20_12 a;
 544
 545	a.full = dfixed_const(1000);
 546	yclk.full = dfixed_const(wm->yclk);
 547	yclk.full = dfixed_div(yclk, a);
 548	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 549	a.full = dfixed_const(10);
 550	dram_efficiency.full = dfixed_const(7);
 551	dram_efficiency.full = dfixed_div(dram_efficiency, a);
 552	bandwidth.full = dfixed_mul(dram_channels, yclk);
 553	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 554
 555	return dfixed_trunc(bandwidth);
 556}
 557
 558/**
 559 * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
 560 *
 561 * @wm: watermark calculation data
 562 *
 563 * Calculate the dram bandwidth used for display (CIK).
 564 * Used for display watermark bandwidth calculations
 565 * Returns the dram bandwidth for display in MBytes/s
 566 */
 567static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
 568{
 569	/* Calculate DRAM Bandwidth and the part allocated to display. */
 570	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 571	fixed20_12 yclk, dram_channels, bandwidth;
 572	fixed20_12 a;
 573
 574	a.full = dfixed_const(1000);
 575	yclk.full = dfixed_const(wm->yclk);
 576	yclk.full = dfixed_div(yclk, a);
 577	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 578	a.full = dfixed_const(10);
 579	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 580	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 581	bandwidth.full = dfixed_mul(dram_channels, yclk);
 582	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 583
 584	return dfixed_trunc(bandwidth);
 585}
 586
 587/**
 588 * dce_v6_0_data_return_bandwidth - get the data return bandwidth
 589 *
 590 * @wm: watermark calculation data
 591 *
 592 * Calculate the data return bandwidth used for display (CIK).
 593 * Used for display watermark bandwidth calculations
 594 * Returns the data return bandwidth in MBytes/s
 595 */
 596static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
 597{
 598	/* Calculate the display Data return Bandwidth */
 599	fixed20_12 return_efficiency; /* 0.8 */
 600	fixed20_12 sclk, bandwidth;
 601	fixed20_12 a;
 602
 603	a.full = dfixed_const(1000);
 604	sclk.full = dfixed_const(wm->sclk);
 605	sclk.full = dfixed_div(sclk, a);
 606	a.full = dfixed_const(10);
 607	return_efficiency.full = dfixed_const(8);
 608	return_efficiency.full = dfixed_div(return_efficiency, a);
 609	a.full = dfixed_const(32);
 610	bandwidth.full = dfixed_mul(a, sclk);
 611	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 612
 613	return dfixed_trunc(bandwidth);
 614}
 615
 616/**
 617 * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
 618 *
 619 * @wm: watermark calculation data
 620 *
 621 * Calculate the dmif bandwidth used for display (CIK).
 622 * Used for display watermark bandwidth calculations
 623 * Returns the dmif bandwidth in MBytes/s
 624 */
 625static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
 626{
 627	/* Calculate the DMIF Request Bandwidth */
 628	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 629	fixed20_12 disp_clk, bandwidth;
 630	fixed20_12 a, b;
 631
 632	a.full = dfixed_const(1000);
 633	disp_clk.full = dfixed_const(wm->disp_clk);
 634	disp_clk.full = dfixed_div(disp_clk, a);
 635	a.full = dfixed_const(32);
 636	b.full = dfixed_mul(a, disp_clk);
 637
 638	a.full = dfixed_const(10);
 639	disp_clk_request_efficiency.full = dfixed_const(8);
 640	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 641
 642	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 643
 644	return dfixed_trunc(bandwidth);
 645}
 646
 647/**
 648 * dce_v6_0_available_bandwidth - get the min available bandwidth
 649 *
 650 * @wm: watermark calculation data
 651 *
 652 * Calculate the min available bandwidth used for display (CIK).
 653 * Used for display watermark bandwidth calculations
 654 * Returns the min available bandwidth in MBytes/s
 655 */
 656static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
 657{
 658	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 659	u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
 660	u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
 661	u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
 662
 663	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 664}
 665
 666/**
 667 * dce_v6_0_average_bandwidth - get the average available bandwidth
 668 *
 669 * @wm: watermark calculation data
 670 *
 671 * Calculate the average available bandwidth used for display (CIK).
 672 * Used for display watermark bandwidth calculations
 673 * Returns the average available bandwidth in MBytes/s
 674 */
 675static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
 676{
 677	/* Calculate the display mode Average Bandwidth
 678	 * DisplayMode should contain the source and destination dimensions,
 679	 * timing, etc.
 680	 */
 681	fixed20_12 bpp;
 682	fixed20_12 line_time;
 683	fixed20_12 src_width;
 684	fixed20_12 bandwidth;
 685	fixed20_12 a;
 686
 687	a.full = dfixed_const(1000);
 688	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 689	line_time.full = dfixed_div(line_time, a);
 690	bpp.full = dfixed_const(wm->bytes_per_pixel);
 691	src_width.full = dfixed_const(wm->src_width);
 692	bandwidth.full = dfixed_mul(src_width, bpp);
 693	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 694	bandwidth.full = dfixed_div(bandwidth, line_time);
 695
 696	return dfixed_trunc(bandwidth);
 697}
 698
 699/**
 700 * dce_v6_0_latency_watermark - get the latency watermark
 701 *
 702 * @wm: watermark calculation data
 703 *
 704 * Calculate the latency watermark (CIK).
 705 * Used for display watermark bandwidth calculations
 706 * Returns the latency watermark in ns
 707 */
 708static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
 709{
 710	/* First calculate the latency in ns */
 711	u32 mc_latency = 2000; /* 2000 ns. */
 712	u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
 713	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 714	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 715	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 716	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 717		(wm->num_heads * cursor_line_pair_return_time);
 718	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 719	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 720	u32 tmp, dmif_size = 12288;
 721	fixed20_12 a, b, c;
 722
 723	if (wm->num_heads == 0)
 724		return 0;
 725
 726	a.full = dfixed_const(2);
 727	b.full = dfixed_const(1);
 728	if ((wm->vsc.full > a.full) ||
 729	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 730	    (wm->vtaps >= 5) ||
 731	    ((wm->vsc.full >= a.full) && wm->interlaced))
 732		max_src_lines_per_dst_line = 4;
 733	else
 734		max_src_lines_per_dst_line = 2;
 735
 736	a.full = dfixed_const(available_bandwidth);
 737	b.full = dfixed_const(wm->num_heads);
 738	a.full = dfixed_div(a, b);
 739	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 740	tmp = min(dfixed_trunc(a), tmp);
 741
 742	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 743
 744	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 745	b.full = dfixed_const(1000);
 746	c.full = dfixed_const(lb_fill_bw);
 747	b.full = dfixed_div(c, b);
 748	a.full = dfixed_div(a, b);
 749	line_fill_time = dfixed_trunc(a);
 750
 751	if (line_fill_time < wm->active_time)
 752		return latency;
 753	else
 754		return latency + (line_fill_time - wm->active_time);
 755
 756}
 757
 758/**
 759 * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 760 * average and available dram bandwidth
 761 *
 762 * @wm: watermark calculation data
 763 *
 764 * Check if the display average bandwidth fits in the display
 765 * dram bandwidth (CIK).
 766 * Used for display watermark bandwidth calculations
 767 * Returns true if the display fits, false if not.
 768 */
 769static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
 770{
 771	if (dce_v6_0_average_bandwidth(wm) <=
 772	    (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 773		return true;
 774	else
 775		return false;
 776}
 777
 778/**
 779 * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
 780 * average and available bandwidth
 781 *
 782 * @wm: watermark calculation data
 783 *
 784 * Check if the display average bandwidth fits in the display
 785 * available bandwidth (CIK).
 786 * Used for display watermark bandwidth calculations
 787 * Returns true if the display fits, false if not.
 788 */
 789static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
 790{
 791	if (dce_v6_0_average_bandwidth(wm) <=
 792	    (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
 793		return true;
 794	else
 795		return false;
 796}
 797
 798/**
 799 * dce_v6_0_check_latency_hiding - check latency hiding
 800 *
 801 * @wm: watermark calculation data
 802 *
 803 * Check latency hiding (CIK).
 804 * Used for display watermark bandwidth calculations
 805 * Returns true if the display fits, false if not.
 806 */
 807static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
 808{
 809	u32 lb_partitions = wm->lb_size / wm->src_width;
 810	u32 line_time = wm->active_time + wm->blank_time;
 811	u32 latency_tolerant_lines;
 812	u32 latency_hiding;
 813	fixed20_12 a;
 814
 815	a.full = dfixed_const(1);
 816	if (wm->vsc.full > a.full)
 817		latency_tolerant_lines = 1;
 818	else {
 819		if (lb_partitions <= (wm->vtaps + 1))
 820			latency_tolerant_lines = 1;
 821		else
 822			latency_tolerant_lines = 2;
 823	}
 824
 825	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
 826
 827	if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
 828		return true;
 829	else
 830		return false;
 831}
 832
 833/**
 834 * dce_v6_0_program_watermarks - program display watermarks
 835 *
 836 * @adev: amdgpu_device pointer
 837 * @amdgpu_crtc: the selected display controller
 838 * @lb_size: line buffer size
 839 * @num_heads: number of display controllers in use
 840 *
 841 * Calculate and program the display watermarks for the
 842 * selected display controller (CIK).
 843 */
 844static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
 845					struct amdgpu_crtc *amdgpu_crtc,
 846					u32 lb_size, u32 num_heads)
 847{
 848	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
 849	struct dce6_wm_params wm_low, wm_high;
 850	u32 dram_channels;
 851	u32 active_time;
 852	u32 line_time = 0;
 853	u32 latency_watermark_a = 0, latency_watermark_b = 0;
 854	u32 priority_a_mark = 0, priority_b_mark = 0;
 855	u32 priority_a_cnt = PRIORITY_OFF;
 856	u32 priority_b_cnt = PRIORITY_OFF;
 857	u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
 858	fixed20_12 a, b, c;
 859
 860	if (amdgpu_crtc->base.enabled && num_heads && mode) {
 861		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
 862					    (u32)mode->clock);
 863		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
 864					  (u32)mode->clock);
 865		line_time = min_t(u32, line_time, 65535);
 866		priority_a_cnt = 0;
 867		priority_b_cnt = 0;
 868
 869		dram_channels = si_get_number_of_dram_channels(adev);
 870
 871		/* watermark for high clocks */
 872		if (adev->pm.dpm_enabled) {
 873			wm_high.yclk =
 874				amdgpu_dpm_get_mclk(adev, false) * 10;
 875			wm_high.sclk =
 876				amdgpu_dpm_get_sclk(adev, false) * 10;
 877		} else {
 878			wm_high.yclk = adev->pm.current_mclk * 10;
 879			wm_high.sclk = adev->pm.current_sclk * 10;
 880		}
 881
 882		wm_high.disp_clk = mode->clock;
 883		wm_high.src_width = mode->crtc_hdisplay;
 884		wm_high.active_time = active_time;
 885		wm_high.blank_time = line_time - wm_high.active_time;
 886		wm_high.interlaced = false;
 887		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 888			wm_high.interlaced = true;
 889		wm_high.vsc = amdgpu_crtc->vsc;
 890		wm_high.vtaps = 1;
 891		if (amdgpu_crtc->rmx_type != RMX_OFF)
 892			wm_high.vtaps = 2;
 893		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
 894		wm_high.lb_size = lb_size;
 895		wm_high.dram_channels = dram_channels;
 896		wm_high.num_heads = num_heads;
 897
 898		if (adev->pm.dpm_enabled) {
 899		/* watermark for low clocks */
 900			wm_low.yclk =
 901				amdgpu_dpm_get_mclk(adev, true) * 10;
 902			wm_low.sclk =
 903				amdgpu_dpm_get_sclk(adev, true) * 10;
 904		} else {
 905			wm_low.yclk = adev->pm.current_mclk * 10;
 906			wm_low.sclk = adev->pm.current_sclk * 10;
 907		}
 908
 909		wm_low.disp_clk = mode->clock;
 910		wm_low.src_width = mode->crtc_hdisplay;
 911		wm_low.active_time = active_time;
 912		wm_low.blank_time = line_time - wm_low.active_time;
 913		wm_low.interlaced = false;
 914		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 915			wm_low.interlaced = true;
 916		wm_low.vsc = amdgpu_crtc->vsc;
 917		wm_low.vtaps = 1;
 918		if (amdgpu_crtc->rmx_type != RMX_OFF)
 919			wm_low.vtaps = 2;
 920		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
 921		wm_low.lb_size = lb_size;
 922		wm_low.dram_channels = dram_channels;
 923		wm_low.num_heads = num_heads;
 924
 925		/* set for high clocks */
 926		latency_watermark_a = min_t(u32, dce_v6_0_latency_watermark(&wm_high), 65535);
 927		/* set for low clocks */
 928		latency_watermark_b = min_t(u32, dce_v6_0_latency_watermark(&wm_low), 65535);
 929
 930		/* possibly force display priority to high */
 931		/* should really do this at mode validation time... */
 932		if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
 933		    !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
 934		    !dce_v6_0_check_latency_hiding(&wm_high) ||
 935		    (adev->mode_info.disp_priority == 2)) {
 936			DRM_DEBUG_KMS("force priority to high\n");
 937			priority_a_cnt |= PRIORITY_ALWAYS_ON;
 938			priority_b_cnt |= PRIORITY_ALWAYS_ON;
 939		}
 940		if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
 941		    !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
 942		    !dce_v6_0_check_latency_hiding(&wm_low) ||
 943		    (adev->mode_info.disp_priority == 2)) {
 944			DRM_DEBUG_KMS("force priority to high\n");
 945			priority_a_cnt |= PRIORITY_ALWAYS_ON;
 946			priority_b_cnt |= PRIORITY_ALWAYS_ON;
 947		}
 948
 949		a.full = dfixed_const(1000);
 950		b.full = dfixed_const(mode->clock);
 951		b.full = dfixed_div(b, a);
 952		c.full = dfixed_const(latency_watermark_a);
 953		c.full = dfixed_mul(c, b);
 954		c.full = dfixed_mul(c, amdgpu_crtc->hsc);
 955		c.full = dfixed_div(c, a);
 956		a.full = dfixed_const(16);
 957		c.full = dfixed_div(c, a);
 958		priority_a_mark = dfixed_trunc(c);
 959		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
 960
 961		a.full = dfixed_const(1000);
 962		b.full = dfixed_const(mode->clock);
 963		b.full = dfixed_div(b, a);
 964		c.full = dfixed_const(latency_watermark_b);
 965		c.full = dfixed_mul(c, b);
 966		c.full = dfixed_mul(c, amdgpu_crtc->hsc);
 967		c.full = dfixed_div(c, a);
 968		a.full = dfixed_const(16);
 969		c.full = dfixed_div(c, a);
 970		priority_b_mark = dfixed_trunc(c);
 971		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
 972
 973		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
 974	}
 975
 976	/* select wm A */
 977	arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
 978	tmp = arb_control3;
 979	tmp &= ~LATENCY_WATERMARK_MASK(3);
 980	tmp |= LATENCY_WATERMARK_MASK(1);
 981	WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
 982	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
 983	       ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT)  |
 984		(line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
 985	/* select wm B */
 986	tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
 987	tmp &= ~LATENCY_WATERMARK_MASK(3);
 988	tmp |= LATENCY_WATERMARK_MASK(2);
 989	WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
 990	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
 991	       ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
 992		(line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
 993	/* restore original selection */
 994	WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
 995
 996	/* write the priority marks */
 997	WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
 998	WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
 999
1000	/* save values for DPM */
1001	amdgpu_crtc->line_time = line_time;
1002	amdgpu_crtc->wm_high = latency_watermark_a;
1003
1004	/* Save number of lines the linebuffer leads before the scanout */
1005	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1006}
1007
1008/* watermark setup */
1009static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
1010				   struct amdgpu_crtc *amdgpu_crtc,
1011				   struct drm_display_mode *mode,
1012				   struct drm_display_mode *other_mode)
1013{
1014	u32 tmp, buffer_alloc, i;
1015	u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
1016	/*
1017	 * Line Buffer Setup
1018	 * There are 3 line buffers, each one shared by 2 display controllers.
1019	 * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1020	 * the display controllers.  The paritioning is done via one of four
1021	 * preset allocations specified in bits 21:20:
1022	 *  0 - half lb
1023	 *  2 - whole lb, other crtc must be disabled
1024	 */
1025	/* this can get tricky if we have two large displays on a paired group
1026	 * of crtcs.  Ideally for multiple large displays we'd assign them to
1027	 * non-linked crtcs for maximum line buffer allocation.
1028	 */
1029	if (amdgpu_crtc->base.enabled && mode) {
1030		if (other_mode) {
1031			tmp = 0; /* 1/2 */
1032			buffer_alloc = 1;
1033		} else {
1034			tmp = 2; /* whole */
1035			buffer_alloc = 2;
1036		}
1037	} else {
1038		tmp = 0;
1039		buffer_alloc = 0;
1040	}
1041
1042	WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1043	       DC_LB_MEMORY_CONFIG(tmp));
1044
1045	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1046	       (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1047	for (i = 0; i < adev->usec_timeout; i++) {
1048		if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1049		    PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1050			break;
1051		udelay(1);
1052	}
1053
1054	if (amdgpu_crtc->base.enabled && mode) {
1055		switch (tmp) {
1056		case 0:
1057		default:
1058			return 4096 * 2;
1059		case 2:
1060			return 8192 * 2;
1061		}
1062	}
1063
1064	/* controller not enabled, so no lb used */
1065	return 0;
1066}
1067
1068
1069/**
1070 * dce_v6_0_bandwidth_update - program display watermarks
1071 *
1072 * @adev: amdgpu_device pointer
1073 *
1074 * Calculate and program the display watermarks and line
1075 * buffer allocation (CIK).
1076 */
1077static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1078{
1079	struct drm_display_mode *mode0 = NULL;
1080	struct drm_display_mode *mode1 = NULL;
1081	u32 num_heads = 0, lb_size;
1082	int i;
1083
1084	if (!adev->mode_info.mode_config_initialized)
1085		return;
1086
1087	amdgpu_display_update_priority(adev);
1088
1089	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1090		if (adev->mode_info.crtcs[i]->base.enabled)
1091			num_heads++;
1092	}
1093	for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1094		mode0 = &adev->mode_info.crtcs[i]->base.mode;
1095		mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1096		lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1097		dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1098		lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1099		dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1100	}
1101}
1102
1103static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1104{
1105	int i;
1106	u32 tmp;
1107
1108	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1109		tmp = RREG32_AUDIO_ENDPT(adev->mode_info.audio.pin[i].offset,
1110				ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1111		if (REG_GET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT,
1112					PORT_CONNECTIVITY))
1113			adev->mode_info.audio.pin[i].connected = false;
1114		else
1115			adev->mode_info.audio.pin[i].connected = true;
1116	}
1117
1118}
1119
1120static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1121{
1122	int i;
1123
1124	dce_v6_0_audio_get_connected_pins(adev);
1125
1126	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1127		if (adev->mode_info.audio.pin[i].connected)
1128			return &adev->mode_info.audio.pin[i];
1129	}
1130	DRM_ERROR("No connected audio pins found!\n");
1131	return NULL;
1132}
1133
1134static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder)
1135{
1136	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1137	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1138	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1139
1140	if (!dig || !dig->afmt || !dig->afmt->pin)
1141		return;
1142
1143	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset,
1144	       REG_SET_FIELD(0, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT,
1145		             dig->afmt->pin->id));
1146}
1147
1148static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1149						struct drm_display_mode *mode)
1150{
1151	struct drm_device *dev = encoder->dev;
1152	struct amdgpu_device *adev = drm_to_adev(dev);
1153	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1154	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1155	struct drm_connector *connector;
1156	struct drm_connector_list_iter iter;
1157	struct amdgpu_connector *amdgpu_connector = NULL;
1158	int interlace = 0;
1159	u32 tmp;
1160
1161	drm_connector_list_iter_begin(dev, &iter);
1162	drm_for_each_connector_iter(connector, &iter) {
1163		if (connector->encoder == encoder) {
1164			amdgpu_connector = to_amdgpu_connector(connector);
1165			break;
1166		}
1167	}
1168	drm_connector_list_iter_end(&iter);
1169
1170	if (!amdgpu_connector) {
1171		DRM_ERROR("Couldn't find encoder's connector\n");
1172		return;
1173	}
1174
1175	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1176		interlace = 1;
1177
1178	if (connector->latency_present[interlace]) {
1179		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1180				VIDEO_LIPSYNC, connector->video_latency[interlace]);
1181		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1182				AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1183	} else {
1184		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1185				VIDEO_LIPSYNC, 0);
1186		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1187				AUDIO_LIPSYNC, 0);
1188	}
1189	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1190			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1191}
1192
1193static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1194{
1195	struct drm_device *dev = encoder->dev;
1196	struct amdgpu_device *adev = drm_to_adev(dev);
1197	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1198	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1199	struct drm_connector *connector;
1200	struct drm_connector_list_iter iter;
1201	struct amdgpu_connector *amdgpu_connector = NULL;
1202	u8 *sadb = NULL;
1203	int sad_count;
1204	u32 tmp;
1205
1206	drm_connector_list_iter_begin(dev, &iter);
1207	drm_for_each_connector_iter(connector, &iter) {
1208		if (connector->encoder == encoder) {
1209			amdgpu_connector = to_amdgpu_connector(connector);
1210			break;
1211		}
1212	}
1213	drm_connector_list_iter_end(&iter);
1214
1215	if (!amdgpu_connector) {
1216		DRM_ERROR("Couldn't find encoder's connector\n");
1217		return;
1218	}
1219
1220	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1221	if (sad_count < 0) {
1222		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1223		sad_count = 0;
1224	}
1225
1226	/* program the speaker allocation */
1227	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1228			ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1229	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1230			HDMI_CONNECTION, 0);
1231	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1232			DP_CONNECTION, 0);
1233
1234	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
1235		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1236				DP_CONNECTION, 1);
1237	else
1238		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1239				HDMI_CONNECTION, 1);
1240
1241	if (sad_count)
1242		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1243				SPEAKER_ALLOCATION, sadb[0]);
1244	else
1245		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1246				SPEAKER_ALLOCATION, 5); /* stereo */
1247
1248	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1249			ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1250
1251	kfree(sadb);
1252}
1253
1254static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1255{
1256	struct drm_device *dev = encoder->dev;
1257	struct amdgpu_device *adev = drm_to_adev(dev);
1258	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1259	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1260	struct drm_connector *connector;
1261	struct drm_connector_list_iter iter;
1262	struct amdgpu_connector *amdgpu_connector = NULL;
1263	struct cea_sad *sads;
1264	int i, sad_count;
1265
1266	static const u16 eld_reg_to_type[][2] = {
1267		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1268		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1269		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1270		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1271		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1272		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1273		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1274		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1275		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1276		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1277		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1278		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1279	};
1280
1281	drm_connector_list_iter_begin(dev, &iter);
1282	drm_for_each_connector_iter(connector, &iter) {
1283		if (connector->encoder == encoder) {
1284			amdgpu_connector = to_amdgpu_connector(connector);
1285			break;
1286		}
1287	}
1288	drm_connector_list_iter_end(&iter);
1289
1290	if (!amdgpu_connector) {
1291		DRM_ERROR("Couldn't find encoder's connector\n");
1292		return;
1293	}
1294
1295	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1296	if (sad_count < 0)
1297		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1298	if (sad_count <= 0)
1299		return;
1300
1301	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1302		u32 tmp = 0;
1303		u8 stereo_freqs = 0;
1304		int max_channels = -1;
1305		int j;
1306
1307		for (j = 0; j < sad_count; j++) {
1308			struct cea_sad *sad = &sads[j];
1309
1310			if (sad->format == eld_reg_to_type[i][1]) {
1311				if (sad->channels > max_channels) {
1312					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1313							MAX_CHANNELS, sad->channels);
1314					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1315							DESCRIPTOR_BYTE_2, sad->byte2);
1316					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1317							SUPPORTED_FREQUENCIES, sad->freq);
1318					max_channels = sad->channels;
1319				}
1320
1321				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1322					stereo_freqs |= sad->freq;
1323				else
1324					break;
1325			}
1326		}
1327
1328		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1329				SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1330		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1331	}
1332
1333	kfree(sads);
1334
1335}
1336
1337static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1338				  struct amdgpu_audio_pin *pin,
1339				  bool enable)
1340{
1341	if (!pin)
1342		return;
1343
1344	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1345			enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1346}
1347
1348static const u32 pin_offsets[7] =
1349{
1350	(0x1780 - 0x1780),
1351	(0x1786 - 0x1780),
1352	(0x178c - 0x1780),
1353	(0x1792 - 0x1780),
1354	(0x1798 - 0x1780),
1355	(0x179d - 0x1780),
1356	(0x17a4 - 0x1780),
1357};
1358
1359static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1360{
1361	int i;
1362
1363	if (!amdgpu_audio)
1364		return 0;
1365
1366	adev->mode_info.audio.enabled = true;
1367
1368	switch (adev->asic_type) {
1369	case CHIP_TAHITI:
1370	case CHIP_PITCAIRN:
1371	case CHIP_VERDE:
1372	default:
1373		adev->mode_info.audio.num_pins = 6;
1374		break;
1375	case CHIP_OLAND:
1376		adev->mode_info.audio.num_pins = 2;
1377		break;
1378	}
1379
1380	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1381		adev->mode_info.audio.pin[i].channels = -1;
1382		adev->mode_info.audio.pin[i].rate = -1;
1383		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1384		adev->mode_info.audio.pin[i].status_bits = 0;
1385		adev->mode_info.audio.pin[i].category_code = 0;
1386		adev->mode_info.audio.pin[i].connected = false;
1387		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1388		adev->mode_info.audio.pin[i].id = i;
1389		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1390	}
1391
1392	return 0;
1393}
1394
1395static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1396{
1397	int i;
1398
1399	if (!amdgpu_audio)
1400		return;
1401
1402	if (!adev->mode_info.audio.enabled)
1403		return;
1404
1405	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1406		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1407
1408	adev->mode_info.audio.enabled = false;
1409}
1410
1411static void dce_v6_0_audio_set_vbi_packet(struct drm_encoder *encoder)
1412{
1413	struct drm_device *dev = encoder->dev;
1414	struct amdgpu_device *adev = drm_to_adev(dev);
1415	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1416	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1417	u32 tmp;
1418
1419	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1420	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1421	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1);
1422	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1);
1423	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1424}
1425
1426static void dce_v6_0_audio_set_acr(struct drm_encoder *encoder,
1427				   uint32_t clock, int bpc)
1428{
1429	struct drm_device *dev = encoder->dev;
1430	struct amdgpu_device *adev = drm_to_adev(dev);
1431	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1432	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1433	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1434	u32 tmp;
1435
1436	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1437	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1438	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE,
1439			bpc > 8 ? 0 : 1);
1440	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1441
1442	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1443	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1444	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1445	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1446	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1447	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1448
1449	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1450	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1451	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1452	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1453	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1454	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1455
1456	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1457	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1458	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1459	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1460	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1461	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1462}
1463
1464static void dce_v6_0_audio_set_avi_infoframe(struct drm_encoder *encoder,
1465					       struct drm_display_mode *mode)
1466{
1467	struct drm_device *dev = encoder->dev;
1468	struct amdgpu_device *adev = drm_to_adev(dev);
1469	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1470	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1471	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1472	struct hdmi_avi_infoframe frame;
1473	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1474	uint8_t *payload = buffer + 3;
1475	uint8_t *header = buffer;
1476	ssize_t err;
1477	u32 tmp;
1478
1479	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1480	if (err < 0) {
1481		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1482		return;
1483	}
1484
1485	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1486	if (err < 0) {
1487		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1488		return;
1489	}
1490
1491	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1492	       payload[0x0] | (payload[0x1] << 8) | (payload[0x2] << 16) | (payload[0x3] << 24));
1493	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1494	       payload[0x4] | (payload[0x5] << 8) | (payload[0x6] << 16) | (payload[0x7] << 24));
1495	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1496	       payload[0x8] | (payload[0x9] << 8) | (payload[0xA] << 16) | (payload[0xB] << 24));
1497	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1498	       payload[0xC] | (payload[0xD] << 8) | (header[1] << 24));
1499
1500	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1501	/* anything other than 0 */
1502	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1,
1503			HDMI_AUDIO_INFO_LINE, 2);
1504	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1505}
1506
1507static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1508{
1509	struct drm_device *dev = encoder->dev;
1510	struct amdgpu_device *adev = drm_to_adev(dev);
1511	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1512	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1513	u32 tmp;
1514
1515	/*
1516	 * Two dtos: generally use dto0 for hdmi, dto1 for dp.
1517	 * Express [24MHz / target pixel clock] as an exact rational
1518	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1519	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1520	 */
1521	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1522	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1523			DCCG_AUDIO_DTO0_SOURCE_SEL, amdgpu_crtc->crtc_id);
1524	if (em == ATOM_ENCODER_MODE_HDMI) {
1525		tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1526				DCCG_AUDIO_DTO_SEL, 0);
1527	} else if (ENCODER_MODE_IS_DP(em)) {
1528		tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1529				DCCG_AUDIO_DTO_SEL, 1);
1530	}
1531	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1532	if (em == ATOM_ENCODER_MODE_HDMI) {
1533		WREG32(mmDCCG_AUDIO_DTO0_PHASE, 24000);
1534		WREG32(mmDCCG_AUDIO_DTO0_MODULE, clock);
1535	} else if (ENCODER_MODE_IS_DP(em)) {
1536		WREG32(mmDCCG_AUDIO_DTO1_PHASE, 24000);
1537		WREG32(mmDCCG_AUDIO_DTO1_MODULE, clock);
1538	}
1539}
1540
1541static void dce_v6_0_audio_set_packet(struct drm_encoder *encoder)
1542{
1543	struct drm_device *dev = encoder->dev;
1544	struct amdgpu_device *adev = drm_to_adev(dev);
1545	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1546	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1547	u32 tmp;
1548
1549	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1550	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1551	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1552
1553	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1554	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1555	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1556
1557	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1558	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1559	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1560
1561	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1562	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1563	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1564	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1565	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1566	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1567	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1568	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1569
1570	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset);
1571	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, 0xff);
1572	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, tmp);
1573
1574	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1575	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1576	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1577	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1578
1579	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1580	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_RESET_FIFO_WHEN_AUDIO_DIS, 1);
1581	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1582	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1583}
1584
1585static void dce_v6_0_audio_set_mute(struct drm_encoder *encoder, bool mute)
1586{
1587	struct drm_device *dev = encoder->dev;
1588	struct amdgpu_device *adev = drm_to_adev(dev);
1589	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1590	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1591	u32 tmp;
1592
1593	tmp = RREG32(mmHDMI_GC + dig->afmt->offset);
1594	tmp = REG_SET_FIELD(tmp, HDMI_GC, HDMI_GC_AVMUTE, mute ? 1 : 0);
1595	WREG32(mmHDMI_GC + dig->afmt->offset, tmp);
1596}
1597
1598static void dce_v6_0_audio_hdmi_enable(struct drm_encoder *encoder, bool enable)
1599{
1600	struct drm_device *dev = encoder->dev;
1601	struct amdgpu_device *adev = drm_to_adev(dev);
1602	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1603	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1604	u32 tmp;
1605
1606	if (enable) {
1607		tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1608		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1609		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1610		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1611		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1612		WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1613
1614		tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1615		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1616		WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1617
1618		tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1619		tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1620		WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1621	} else {
1622		tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1623		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 0);
1624		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 0);
1625		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 0);
1626		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 0);
1627		WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1628
1629		tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1630		tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 0);
1631		WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1632	}
1633}
1634
1635static void dce_v6_0_audio_dp_enable(struct drm_encoder *encoder, bool enable)
1636{
1637	struct drm_device *dev = encoder->dev;
1638	struct amdgpu_device *adev = drm_to_adev(dev);
1639	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1640	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1641	u32 tmp;
1642
1643	if (enable) {
1644		tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1645		tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1646		WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1647
1648		tmp = RREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset);
1649		tmp = REG_SET_FIELD(tmp, DP_SEC_TIMESTAMP, DP_SEC_TIMESTAMP_MODE, 1);
1650		WREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset, tmp);
1651
1652		tmp = RREG32(mmDP_SEC_CNTL + dig->afmt->offset);
1653		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1654		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ATP_ENABLE, 1);
1655		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_AIP_ENABLE, 1);
1656		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1657		WREG32(mmDP_SEC_CNTL + dig->afmt->offset, tmp);
1658	} else {
1659		WREG32(mmDP_SEC_CNTL + dig->afmt->offset, 0);
1660	}
1661}
1662
1663static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1664				  struct drm_display_mode *mode)
1665{
1666	struct drm_device *dev = encoder->dev;
1667	struct amdgpu_device *adev = drm_to_adev(dev);
1668	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1669	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1670	struct drm_connector *connector;
1671	struct drm_connector_list_iter iter;
1672	struct amdgpu_connector *amdgpu_connector = NULL;
1673	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1674	int bpc = 8;
1675
1676	if (!dig || !dig->afmt)
1677		return;
1678
1679	drm_connector_list_iter_begin(dev, &iter);
1680	drm_for_each_connector_iter(connector, &iter) {
1681		if (connector->encoder == encoder) {
1682			amdgpu_connector = to_amdgpu_connector(connector);
1683			break;
1684		}
1685	}
1686	drm_connector_list_iter_end(&iter);
1687
1688	if (!amdgpu_connector) {
1689		DRM_ERROR("Couldn't find encoder's connector\n");
1690		return;
1691	}
1692
1693	if (!dig->afmt->enabled)
1694		return;
1695
1696	dig->afmt->pin = dce_v6_0_audio_get_pin(adev);
1697	if (!dig->afmt->pin)
1698		return;
1699
1700	if (encoder->crtc) {
1701		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1702		bpc = amdgpu_crtc->bpc;
1703	}
1704
1705	/* disable audio before setting up hw */
1706	dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1707
1708	dce_v6_0_audio_set_mute(encoder, true);
1709	dce_v6_0_audio_write_speaker_allocation(encoder);
1710	dce_v6_0_audio_write_sad_regs(encoder);
1711	dce_v6_0_audio_write_latency_fields(encoder, mode);
1712	if (em == ATOM_ENCODER_MODE_HDMI) {
1713		dce_v6_0_audio_set_dto(encoder, mode->clock);
1714		dce_v6_0_audio_set_vbi_packet(encoder);
1715		dce_v6_0_audio_set_acr(encoder, mode->clock, bpc);
1716	} else if (ENCODER_MODE_IS_DP(em)) {
1717		dce_v6_0_audio_set_dto(encoder, adev->clock.default_dispclk * 10);
1718	}
1719	dce_v6_0_audio_set_packet(encoder);
1720	dce_v6_0_audio_select_pin(encoder);
1721	dce_v6_0_audio_set_avi_infoframe(encoder, mode);
1722	dce_v6_0_audio_set_mute(encoder, false);
1723	if (em == ATOM_ENCODER_MODE_HDMI) {
1724		dce_v6_0_audio_hdmi_enable(encoder, 1);
1725	} else if (ENCODER_MODE_IS_DP(em)) {
1726		dce_v6_0_audio_dp_enable(encoder, 1);
1727	}
1728
1729	/* enable audio after setting up hw */
1730	dce_v6_0_audio_enable(adev, dig->afmt->pin, true);
1731}
1732
1733static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1734{
1735	struct drm_device *dev = encoder->dev;
1736	struct amdgpu_device *adev = drm_to_adev(dev);
1737	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1738	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1739
1740	if (!dig || !dig->afmt)
1741		return;
1742
1743	/* Silent, r600_hdmi_enable will raise WARN for us */
1744	if (enable && dig->afmt->enabled)
1745		return;
1746
1747	if (!enable && !dig->afmt->enabled)
1748		return;
1749
1750	if (!enable && dig->afmt->pin) {
1751		dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1752		dig->afmt->pin = NULL;
1753	}
1754
1755	dig->afmt->enabled = enable;
1756
1757	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1758		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1759}
1760
1761static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1762{
1763	int i, j;
1764
1765	for (i = 0; i < adev->mode_info.num_dig; i++)
1766		adev->mode_info.afmt[i] = NULL;
1767
1768	/* DCE6 has audio blocks tied to DIG encoders */
1769	for (i = 0; i < adev->mode_info.num_dig; i++) {
1770		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1771		if (adev->mode_info.afmt[i]) {
1772			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1773			adev->mode_info.afmt[i]->id = i;
1774		} else {
1775			for (j = 0; j < i; j++) {
1776				kfree(adev->mode_info.afmt[j]);
1777				adev->mode_info.afmt[j] = NULL;
1778			}
1779			DRM_ERROR("Out of memory allocating afmt table\n");
1780			return -ENOMEM;
1781		}
1782	}
1783	return 0;
1784}
1785
1786static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1787{
1788	int i;
1789
1790	for (i = 0; i < adev->mode_info.num_dig; i++) {
1791		kfree(adev->mode_info.afmt[i]);
1792		adev->mode_info.afmt[i] = NULL;
1793	}
1794}
1795
1796static const u32 vga_control_regs[6] =
1797{
1798	mmD1VGA_CONTROL,
1799	mmD2VGA_CONTROL,
1800	mmD3VGA_CONTROL,
1801	mmD4VGA_CONTROL,
1802	mmD5VGA_CONTROL,
1803	mmD6VGA_CONTROL,
1804};
1805
1806static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1807{
1808	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1809	struct drm_device *dev = crtc->dev;
1810	struct amdgpu_device *adev = drm_to_adev(dev);
1811	u32 vga_control;
1812
1813	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1814	WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1815}
1816
1817static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1818{
1819	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1820	struct drm_device *dev = crtc->dev;
1821	struct amdgpu_device *adev = drm_to_adev(dev);
1822
1823	WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1824}
1825
1826static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1827				     struct drm_framebuffer *fb,
1828				     int x, int y, int atomic)
1829{
1830	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1831	struct drm_device *dev = crtc->dev;
1832	struct amdgpu_device *adev = drm_to_adev(dev);
1833	struct drm_framebuffer *target_fb;
1834	struct drm_gem_object *obj;
1835	struct amdgpu_bo *abo;
1836	uint64_t fb_location, tiling_flags;
1837	uint32_t fb_format, fb_pitch_pixels, pipe_config;
1838	u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1839	u32 viewport_w, viewport_h;
1840	int r;
1841	bool bypass_lut = false;
1842
1843	/* no fb bound */
1844	if (!atomic && !crtc->primary->fb) {
1845		DRM_DEBUG_KMS("No FB bound\n");
1846		return 0;
1847	}
1848
1849	if (atomic)
1850		target_fb = fb;
1851	else
1852		target_fb = crtc->primary->fb;
1853
1854	/* If atomic, assume fb object is pinned & idle & fenced and
1855	 * just update base pointers
1856	 */
1857	obj = target_fb->obj[0];
1858	abo = gem_to_amdgpu_bo(obj);
1859	r = amdgpu_bo_reserve(abo, false);
1860	if (unlikely(r != 0))
1861		return r;
1862
1863	if (!atomic) {
 
1864		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1865		if (unlikely(r != 0)) {
1866			amdgpu_bo_unreserve(abo);
1867			return -EINVAL;
1868		}
1869	}
1870	fb_location = amdgpu_bo_gpu_offset(abo);
1871
1872	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1873	amdgpu_bo_unreserve(abo);
1874
1875	switch (target_fb->format->format) {
1876	case DRM_FORMAT_C8:
1877		fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1878			     GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1879		break;
1880	case DRM_FORMAT_XRGB4444:
1881	case DRM_FORMAT_ARGB4444:
1882		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1883			     GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1884#ifdef __BIG_ENDIAN
1885		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1886#endif
1887		break;
1888	case DRM_FORMAT_XRGB1555:
1889	case DRM_FORMAT_ARGB1555:
1890		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1891			     GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1892#ifdef __BIG_ENDIAN
1893		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1894#endif
1895		break;
1896	case DRM_FORMAT_BGRX5551:
1897	case DRM_FORMAT_BGRA5551:
1898		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1899			     GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1900#ifdef __BIG_ENDIAN
1901		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1902#endif
1903		break;
1904	case DRM_FORMAT_RGB565:
1905		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1906			     GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1907#ifdef __BIG_ENDIAN
1908		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1909#endif
1910		break;
1911	case DRM_FORMAT_XRGB8888:
1912	case DRM_FORMAT_ARGB8888:
1913		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1914			     GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1915#ifdef __BIG_ENDIAN
1916		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1917#endif
1918		break;
1919	case DRM_FORMAT_XRGB2101010:
1920	case DRM_FORMAT_ARGB2101010:
1921		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1922			     GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1923#ifdef __BIG_ENDIAN
1924		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1925#endif
1926		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1927		bypass_lut = true;
1928		break;
1929	case DRM_FORMAT_BGRX1010102:
1930	case DRM_FORMAT_BGRA1010102:
1931		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1932			     GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1933#ifdef __BIG_ENDIAN
1934		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1935#endif
1936		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1937		bypass_lut = true;
1938		break;
1939	case DRM_FORMAT_XBGR8888:
1940	case DRM_FORMAT_ABGR8888:
1941		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1942			     GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1943		fb_swap = (GRPH_RED_CROSSBAR(GRPH_RED_SEL_B) |
1944			   GRPH_BLUE_CROSSBAR(GRPH_BLUE_SEL_R));
1945#ifdef __BIG_ENDIAN
1946		fb_swap |= GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1947#endif
1948		break;
1949	default:
1950		DRM_ERROR("Unsupported screen format %p4cc\n",
1951			  &target_fb->format->format);
1952		return -EINVAL;
1953	}
1954
1955	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1956		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1957
1958		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1959		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1960		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1961		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1962		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1963
1964		fb_format |= GRPH_NUM_BANKS(num_banks);
1965		fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1966		fb_format |= GRPH_TILE_SPLIT(tile_split);
1967		fb_format |= GRPH_BANK_WIDTH(bankw);
1968		fb_format |= GRPH_BANK_HEIGHT(bankh);
1969		fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1970	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1971		fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1972	}
1973
1974	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1975	fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1976
1977	dce_v6_0_vga_enable(crtc, false);
1978
1979	/* Make sure surface address is updated at vertical blank rather than
1980	 * horizontal blank
1981	 */
1982	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1983
1984	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1985	       upper_32_bits(fb_location));
1986	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1987	       upper_32_bits(fb_location));
1988	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1989	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1990	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1991	       (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1992	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1993	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1994
1995	/*
1996	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1997	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1998	 * retain the full precision throughout the pipeline.
1999	 */
2000	WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
2001		 (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
2002		 ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
2003
2004	if (bypass_lut)
2005		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2006
2007	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2008	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2009	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2010	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2011	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2012	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2013
2014	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2015	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2016
2017	dce_v6_0_grph_enable(crtc, true);
2018
2019	WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2020		       target_fb->height);
2021	x &= ~3;
2022	y &= ~1;
2023	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2024	       (x << 16) | y);
2025	viewport_w = crtc->mode.hdisplay;
2026	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2027
2028	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2029	       (viewport_w << 16) | viewport_h);
2030
2031	/* set pageflip to happen anywhere in vblank interval */
2032	WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2033
2034	if (!atomic && fb && fb != crtc->primary->fb) {
2035		abo = gem_to_amdgpu_bo(fb->obj[0]);
2036		r = amdgpu_bo_reserve(abo, true);
2037		if (unlikely(r != 0))
2038			return r;
2039		amdgpu_bo_unpin(abo);
2040		amdgpu_bo_unreserve(abo);
2041	}
2042
2043	/* Bytes per pixel may have changed */
2044	dce_v6_0_bandwidth_update(adev);
2045
2046	return 0;
2047
2048}
2049
2050static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
2051				    struct drm_display_mode *mode)
2052{
2053	struct drm_device *dev = crtc->dev;
2054	struct amdgpu_device *adev = drm_to_adev(dev);
2055	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2056
2057	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2058		WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
2059		       INTERLEAVE_EN);
2060	else
2061		WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2062}
2063
2064static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
2065{
2066
2067	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2068	struct drm_device *dev = crtc->dev;
2069	struct amdgpu_device *adev = drm_to_adev(dev);
2070	u16 *r, *g, *b;
2071	int i;
2072
2073	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2074
2075	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2076	       ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2077		(0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2078	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2079	       PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2080	WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2081	       PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2082	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2083	       ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2084		(0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2085
2086	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2087
2088	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2089	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2090	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2091
2092	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2093	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2094	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2095
2096	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2097	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2098
2099	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2100	r = crtc->gamma_store;
2101	g = r + crtc->gamma_size;
2102	b = g + crtc->gamma_size;
2103	for (i = 0; i < 256; i++) {
2104		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2105		       ((*r++ & 0xffc0) << 14) |
2106		       ((*g++ & 0xffc0) << 4) |
2107		       (*b++ >> 6));
2108	}
2109
2110	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2111	       ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2112		(0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2113		ICON_DEGAMMA_MODE(0) |
2114		(0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2115	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2116	       ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2117		(0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2118	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2119	       ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2120		(0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2121	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2122	       ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2123		(0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2124	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2125	WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2126
2127
2128}
2129
2130static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
2131{
2132	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2133	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2134
2135	switch (amdgpu_encoder->encoder_id) {
2136	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2137		return dig->linkb ? 1 : 0;
2138	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2139		return dig->linkb ? 3 : 2;
2140	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2141		return dig->linkb ? 5 : 4;
2142	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2143		return 6;
2144	default:
2145		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2146		return 0;
2147	}
2148}
2149
2150/**
2151 * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
2152 *
2153 * @crtc: drm crtc
2154 *
2155 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2156 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2157 * monitors a dedicated PPLL must be used.  If a particular board has
2158 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2159 * as there is no need to program the PLL itself.  If we are not able to
2160 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2161 * avoid messing up an existing monitor.
2162 *
2163 *
2164 */
2165static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
2166{
2167	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2168	struct drm_device *dev = crtc->dev;
2169	struct amdgpu_device *adev = drm_to_adev(dev);
2170	u32 pll_in_use;
2171	int pll;
2172
2173	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2174		if (adev->clock.dp_extclk)
2175			/* skip PPLL programming if using ext clock */
2176			return ATOM_PPLL_INVALID;
2177		else
2178			return ATOM_PPLL0;
2179	} else {
2180		/* use the same PPLL for all monitors with the same clock */
2181		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2182		if (pll != ATOM_PPLL_INVALID)
2183			return pll;
2184	}
2185
2186	/*  PPLL1, and PPLL2 */
2187	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2188	if (!(pll_in_use & (1 << ATOM_PPLL2)))
2189		return ATOM_PPLL2;
2190	if (!(pll_in_use & (1 << ATOM_PPLL1)))
2191		return ATOM_PPLL1;
2192	DRM_ERROR("unable to allocate a PPLL\n");
2193	return ATOM_PPLL_INVALID;
2194}
2195
2196static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2197{
2198	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2199	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2200	uint32_t cur_lock;
2201
2202	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2203	if (lock)
2204		cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2205	else
2206		cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2207	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2208}
2209
2210static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
2211{
2212	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2213	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2214
2215	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2216	       (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2217	       (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2218
2219
2220}
2221
2222static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
2223{
2224	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2225	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2226
2227	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2228	       upper_32_bits(amdgpu_crtc->cursor_addr));
2229	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2230	       lower_32_bits(amdgpu_crtc->cursor_addr));
2231
2232	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2233	       CUR_CONTROL__CURSOR_EN_MASK |
2234	       (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2235	       (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2236
2237}
2238
2239static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
2240				       int x, int y)
2241{
2242	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2243	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2244	int xorigin = 0, yorigin = 0;
2245
2246	int w = amdgpu_crtc->cursor_width;
2247
2248	amdgpu_crtc->cursor_x = x;
2249	amdgpu_crtc->cursor_y = y;
2250
2251	/* avivo cursor are offset into the total surface */
2252	x += crtc->x;
2253	y += crtc->y;
2254	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2255
2256	if (x < 0) {
2257		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2258		x = 0;
2259	}
2260	if (y < 0) {
2261		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2262		y = 0;
2263	}
2264
2265	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2266	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2267	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2268	       ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2269
2270	return 0;
2271}
2272
2273static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
2274				     int x, int y)
2275{
2276	int ret;
2277
2278	dce_v6_0_lock_cursor(crtc, true);
2279	ret = dce_v6_0_cursor_move_locked(crtc, x, y);
2280	dce_v6_0_lock_cursor(crtc, false);
2281
2282	return ret;
2283}
2284
2285static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
2286				     struct drm_file *file_priv,
2287				     uint32_t handle,
2288				     uint32_t width,
2289				     uint32_t height,
2290				     int32_t hot_x,
2291				     int32_t hot_y)
2292{
2293	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2294	struct drm_gem_object *obj;
2295	struct amdgpu_bo *aobj;
2296	int ret;
2297
2298	if (!handle) {
2299		/* turn off cursor */
2300		dce_v6_0_hide_cursor(crtc);
2301		obj = NULL;
2302		goto unpin;
2303	}
2304
2305	if ((width > amdgpu_crtc->max_cursor_width) ||
2306	    (height > amdgpu_crtc->max_cursor_height)) {
2307		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2308		return -EINVAL;
2309	}
2310
2311	obj = drm_gem_object_lookup(file_priv, handle);
2312	if (!obj) {
2313		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2314		return -ENOENT;
2315	}
2316
2317	aobj = gem_to_amdgpu_bo(obj);
2318	ret = amdgpu_bo_reserve(aobj, false);
2319	if (ret != 0) {
2320		drm_gem_object_put(obj);
2321		return ret;
2322	}
2323
 
2324	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2325	amdgpu_bo_unreserve(aobj);
2326	if (ret) {
2327		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2328		drm_gem_object_put(obj);
2329		return ret;
2330	}
2331	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2332
2333	dce_v6_0_lock_cursor(crtc, true);
2334
2335	if (width != amdgpu_crtc->cursor_width ||
2336	    height != amdgpu_crtc->cursor_height ||
2337	    hot_x != amdgpu_crtc->cursor_hot_x ||
2338	    hot_y != amdgpu_crtc->cursor_hot_y) {
2339		int x, y;
2340
2341		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2342		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2343
2344		dce_v6_0_cursor_move_locked(crtc, x, y);
2345
2346		amdgpu_crtc->cursor_width = width;
2347		amdgpu_crtc->cursor_height = height;
2348		amdgpu_crtc->cursor_hot_x = hot_x;
2349		amdgpu_crtc->cursor_hot_y = hot_y;
2350	}
2351
2352	dce_v6_0_show_cursor(crtc);
2353	dce_v6_0_lock_cursor(crtc, false);
2354
2355unpin:
2356	if (amdgpu_crtc->cursor_bo) {
2357		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2358		ret = amdgpu_bo_reserve(aobj, true);
2359		if (likely(ret == 0)) {
2360			amdgpu_bo_unpin(aobj);
2361			amdgpu_bo_unreserve(aobj);
2362		}
2363		drm_gem_object_put(amdgpu_crtc->cursor_bo);
2364	}
2365
2366	amdgpu_crtc->cursor_bo = obj;
2367	return 0;
2368}
2369
2370static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
2371{
2372	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2373
2374	if (amdgpu_crtc->cursor_bo) {
2375		dce_v6_0_lock_cursor(crtc, true);
2376
2377		dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2378					    amdgpu_crtc->cursor_y);
2379
2380		dce_v6_0_show_cursor(crtc);
2381		dce_v6_0_lock_cursor(crtc, false);
2382	}
2383}
2384
2385static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2386				   u16 *blue, uint32_t size,
2387				   struct drm_modeset_acquire_ctx *ctx)
2388{
2389	dce_v6_0_crtc_load_lut(crtc);
2390
2391	return 0;
2392}
2393
2394static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2395{
2396	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2397
2398	drm_crtc_cleanup(crtc);
2399	kfree(amdgpu_crtc);
2400}
2401
2402static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2403	.cursor_set2 = dce_v6_0_crtc_cursor_set2,
2404	.cursor_move = dce_v6_0_crtc_cursor_move,
2405	.gamma_set = dce_v6_0_crtc_gamma_set,
2406	.set_config = amdgpu_display_crtc_set_config,
2407	.destroy = dce_v6_0_crtc_destroy,
2408	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2409	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
2410	.enable_vblank = amdgpu_enable_vblank_kms,
2411	.disable_vblank = amdgpu_disable_vblank_kms,
2412	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2413};
2414
2415static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2416{
2417	struct drm_device *dev = crtc->dev;
2418	struct amdgpu_device *adev = drm_to_adev(dev);
2419	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2420	unsigned type;
2421
2422	switch (mode) {
2423	case DRM_MODE_DPMS_ON:
2424		amdgpu_crtc->enabled = true;
2425		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2426		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2427		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2428		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2429						amdgpu_crtc->crtc_id);
2430		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2431		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2432		drm_crtc_vblank_on(crtc);
2433		dce_v6_0_crtc_load_lut(crtc);
2434		break;
2435	case DRM_MODE_DPMS_STANDBY:
2436	case DRM_MODE_DPMS_SUSPEND:
2437	case DRM_MODE_DPMS_OFF:
2438		drm_crtc_vblank_off(crtc);
2439		if (amdgpu_crtc->enabled)
2440			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2441		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2442		amdgpu_crtc->enabled = false;
2443		break;
2444	}
2445	/* adjust pm to dpms */
2446	amdgpu_dpm_compute_clocks(adev);
2447}
2448
2449static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2450{
2451	/* disable crtc pair power gating before programming */
2452	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2453	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2454	dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2455}
2456
2457static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2458{
2459	dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2460	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2461}
2462
2463static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2464{
2465
2466	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2467	struct drm_device *dev = crtc->dev;
2468	struct amdgpu_device *adev = drm_to_adev(dev);
2469	struct amdgpu_atom_ss ss;
2470	int i;
2471
2472	dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2473	if (crtc->primary->fb) {
2474		int r;
2475		struct amdgpu_bo *abo;
2476
2477		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2478		r = amdgpu_bo_reserve(abo, true);
2479		if (unlikely(r))
2480			DRM_ERROR("failed to reserve abo before unpin\n");
2481		else {
2482			amdgpu_bo_unpin(abo);
2483			amdgpu_bo_unreserve(abo);
2484		}
2485	}
2486	/* disable the GRPH */
2487	dce_v6_0_grph_enable(crtc, false);
2488
2489	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2490
2491	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2492		if (adev->mode_info.crtcs[i] &&
2493		    adev->mode_info.crtcs[i]->enabled &&
2494		    i != amdgpu_crtc->crtc_id &&
2495		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2496			/* one other crtc is using this pll don't turn
2497			 * off the pll
2498			 */
2499			goto done;
2500		}
2501	}
2502
2503	switch (amdgpu_crtc->pll_id) {
2504	case ATOM_PPLL1:
2505	case ATOM_PPLL2:
2506		/* disable the ppll */
2507		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2508						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2509		break;
2510	default:
2511		break;
2512	}
2513done:
2514	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2515	amdgpu_crtc->adjusted_clock = 0;
2516	amdgpu_crtc->encoder = NULL;
2517	amdgpu_crtc->connector = NULL;
2518}
2519
2520static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2521				  struct drm_display_mode *mode,
2522				  struct drm_display_mode *adjusted_mode,
2523				  int x, int y, struct drm_framebuffer *old_fb)
2524{
2525	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2526
2527	if (!amdgpu_crtc->adjusted_clock)
2528		return -EINVAL;
2529
2530	amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2531	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2532	dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2533	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2534	amdgpu_atombios_crtc_scaler_setup(crtc);
2535	dce_v6_0_cursor_reset(crtc);
2536	/* update the hw version fpr dpm */
2537	amdgpu_crtc->hw_mode = *adjusted_mode;
2538
2539	return 0;
2540}
2541
2542static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2543				     const struct drm_display_mode *mode,
2544				     struct drm_display_mode *adjusted_mode)
2545{
2546
2547	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2548	struct drm_device *dev = crtc->dev;
2549	struct drm_encoder *encoder;
2550
2551	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2552	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2553		if (encoder->crtc == crtc) {
2554			amdgpu_crtc->encoder = encoder;
2555			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2556			break;
2557		}
2558	}
2559	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2560		amdgpu_crtc->encoder = NULL;
2561		amdgpu_crtc->connector = NULL;
2562		return false;
2563	}
2564	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2565		return false;
2566	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2567		return false;
2568	/* pick pll */
2569	amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2570	/* if we can't get a PPLL for a non-DP encoder, fail */
2571	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2572	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2573		return false;
2574
2575	return true;
2576}
2577
2578static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2579				  struct drm_framebuffer *old_fb)
2580{
2581	return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2582}
2583
2584static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2585					 struct drm_framebuffer *fb,
2586					 int x, int y, enum mode_set_atomic state)
2587{
2588	return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2589}
2590
2591static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2592	.dpms = dce_v6_0_crtc_dpms,
2593	.mode_fixup = dce_v6_0_crtc_mode_fixup,
2594	.mode_set = dce_v6_0_crtc_mode_set,
2595	.mode_set_base = dce_v6_0_crtc_set_base,
2596	.mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2597	.prepare = dce_v6_0_crtc_prepare,
2598	.commit = dce_v6_0_crtc_commit,
2599	.disable = dce_v6_0_crtc_disable,
2600	.get_scanout_position = amdgpu_crtc_get_scanout_position,
2601};
2602
2603static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2604{
2605	struct amdgpu_crtc *amdgpu_crtc;
2606
2607	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2608			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2609	if (amdgpu_crtc == NULL)
2610		return -ENOMEM;
2611
2612	drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2613
2614	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2615	amdgpu_crtc->crtc_id = index;
2616	adev->mode_info.crtcs[index] = amdgpu_crtc;
2617
2618	amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2619	amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2620	adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2621	adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2622
2623	amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2624
2625	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2626	amdgpu_crtc->adjusted_clock = 0;
2627	amdgpu_crtc->encoder = NULL;
2628	amdgpu_crtc->connector = NULL;
2629	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2630
2631	return 0;
2632}
2633
2634static int dce_v6_0_early_init(void *handle)
2635{
2636	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2637
2638	adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2639	adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2640
2641	dce_v6_0_set_display_funcs(adev);
2642
2643	adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2644
2645	switch (adev->asic_type) {
2646	case CHIP_TAHITI:
2647	case CHIP_PITCAIRN:
2648	case CHIP_VERDE:
2649		adev->mode_info.num_hpd = 6;
2650		adev->mode_info.num_dig = 6;
2651		break;
2652	case CHIP_OLAND:
2653		adev->mode_info.num_hpd = 2;
2654		adev->mode_info.num_dig = 2;
2655		break;
2656	default:
2657		return -EINVAL;
2658	}
2659
2660	dce_v6_0_set_irq_funcs(adev);
2661
2662	return 0;
2663}
2664
2665static int dce_v6_0_sw_init(void *handle)
2666{
2667	int r, i;
2668	bool ret;
2669	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2670
2671	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2672		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2673		if (r)
2674			return r;
2675	}
2676
2677	for (i = 8; i < 20; i += 2) {
2678		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2679		if (r)
2680			return r;
2681	}
2682
2683	/* HPD hotplug */
2684	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2685	if (r)
2686		return r;
2687
2688	adev->mode_info.mode_config_initialized = true;
2689
2690	adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2691	adev_to_drm(adev)->mode_config.async_page_flip = true;
2692	adev_to_drm(adev)->mode_config.max_width = 16384;
2693	adev_to_drm(adev)->mode_config.max_height = 16384;
2694	adev_to_drm(adev)->mode_config.preferred_depth = 24;
2695	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2696	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2697
2698	r = amdgpu_display_modeset_create_props(adev);
2699	if (r)
2700		return r;
2701
2702	adev_to_drm(adev)->mode_config.max_width = 16384;
2703	adev_to_drm(adev)->mode_config.max_height = 16384;
2704
2705	/* allocate crtcs */
2706	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2707		r = dce_v6_0_crtc_init(adev, i);
2708		if (r)
2709			return r;
2710	}
2711
2712	ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2713	if (ret)
2714		amdgpu_display_print_display_setup(adev_to_drm(adev));
2715	else
2716		return -EINVAL;
2717
2718	/* setup afmt */
2719	r = dce_v6_0_afmt_init(adev);
2720	if (r)
2721		return r;
2722
2723	r = dce_v6_0_audio_init(adev);
2724	if (r)
2725		return r;
2726
2727	/* Disable vblank IRQs aggressively for power-saving */
2728	/* XXX: can this be enabled for DC? */
2729	adev_to_drm(adev)->vblank_disable_immediate = true;
2730
2731	r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2732	if (r)
2733		return r;
2734
2735	/* Pre-DCE11 */
2736	INIT_DELAYED_WORK(&adev->hotplug_work,
2737		  amdgpu_display_hotplug_work_func);
2738
2739	drm_kms_helper_poll_init(adev_to_drm(adev));
2740
2741	return r;
2742}
2743
2744static int dce_v6_0_sw_fini(void *handle)
2745{
2746	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2747
2748	kfree(adev->mode_info.bios_hardcoded_edid);
2749
2750	drm_kms_helper_poll_fini(adev_to_drm(adev));
2751
2752	dce_v6_0_audio_fini(adev);
2753	dce_v6_0_afmt_fini(adev);
2754
2755	drm_mode_config_cleanup(adev_to_drm(adev));
2756	adev->mode_info.mode_config_initialized = false;
2757
2758	return 0;
2759}
2760
2761static int dce_v6_0_hw_init(void *handle)
2762{
2763	int i;
2764	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2765
2766	/* disable vga render */
2767	dce_v6_0_set_vga_render_state(adev, false);
2768	/* init dig PHYs, disp eng pll */
2769	amdgpu_atombios_encoder_init_dig(adev);
2770	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2771
2772	/* initialize hpd */
2773	dce_v6_0_hpd_init(adev);
2774
2775	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2776		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2777	}
2778
2779	dce_v6_0_pageflip_interrupt_init(adev);
2780
2781	return 0;
2782}
2783
2784static int dce_v6_0_hw_fini(void *handle)
2785{
2786	int i;
2787	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2788
2789	dce_v6_0_hpd_fini(adev);
2790
2791	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2792		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2793	}
2794
2795	dce_v6_0_pageflip_interrupt_fini(adev);
2796
2797	flush_delayed_work(&adev->hotplug_work);
2798
2799	return 0;
2800}
2801
2802static int dce_v6_0_suspend(void *handle)
2803{
2804	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2805	int r;
2806
2807	r = amdgpu_display_suspend_helper(adev);
2808	if (r)
2809		return r;
2810	adev->mode_info.bl_level =
2811		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2812
2813	return dce_v6_0_hw_fini(handle);
2814}
2815
2816static int dce_v6_0_resume(void *handle)
2817{
2818	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2819	int ret;
2820
2821	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2822							   adev->mode_info.bl_level);
2823
2824	ret = dce_v6_0_hw_init(handle);
2825
2826	/* turn on the BL */
2827	if (adev->mode_info.bl_encoder) {
2828		u8 bl_level = amdgpu_display_backlight_get_level(adev,
2829								  adev->mode_info.bl_encoder);
2830		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2831						    bl_level);
2832	}
2833	if (ret)
2834		return ret;
2835
2836	return amdgpu_display_resume_helper(adev);
2837}
2838
2839static bool dce_v6_0_is_idle(void *handle)
2840{
2841	return true;
2842}
2843
2844static int dce_v6_0_wait_for_idle(void *handle)
2845{
2846	return 0;
2847}
2848
2849static int dce_v6_0_soft_reset(void *handle)
2850{
2851	DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2852	return 0;
2853}
2854
2855static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2856						     int crtc,
2857						     enum amdgpu_interrupt_state state)
2858{
2859	u32 reg_block, interrupt_mask;
2860
2861	if (crtc >= adev->mode_info.num_crtc) {
2862		DRM_DEBUG("invalid crtc %d\n", crtc);
2863		return;
2864	}
2865
2866	switch (crtc) {
2867	case 0:
2868		reg_block = SI_CRTC0_REGISTER_OFFSET;
2869		break;
2870	case 1:
2871		reg_block = SI_CRTC1_REGISTER_OFFSET;
2872		break;
2873	case 2:
2874		reg_block = SI_CRTC2_REGISTER_OFFSET;
2875		break;
2876	case 3:
2877		reg_block = SI_CRTC3_REGISTER_OFFSET;
2878		break;
2879	case 4:
2880		reg_block = SI_CRTC4_REGISTER_OFFSET;
2881		break;
2882	case 5:
2883		reg_block = SI_CRTC5_REGISTER_OFFSET;
2884		break;
2885	default:
2886		DRM_DEBUG("invalid crtc %d\n", crtc);
2887		return;
2888	}
2889
2890	switch (state) {
2891	case AMDGPU_IRQ_STATE_DISABLE:
2892		interrupt_mask = RREG32(mmINT_MASK + reg_block);
2893		interrupt_mask &= ~VBLANK_INT_MASK;
2894		WREG32(mmINT_MASK + reg_block, interrupt_mask);
2895		break;
2896	case AMDGPU_IRQ_STATE_ENABLE:
2897		interrupt_mask = RREG32(mmINT_MASK + reg_block);
2898		interrupt_mask |= VBLANK_INT_MASK;
2899		WREG32(mmINT_MASK + reg_block, interrupt_mask);
2900		break;
2901	default:
2902		break;
2903	}
2904}
2905
2906static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2907						    int crtc,
2908						    enum amdgpu_interrupt_state state)
2909{
2910
2911}
2912
2913static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2914					    struct amdgpu_irq_src *src,
2915					    unsigned type,
2916					    enum amdgpu_interrupt_state state)
2917{
2918	u32 dc_hpd_int_cntl;
2919
2920	if (type >= adev->mode_info.num_hpd) {
2921		DRM_DEBUG("invalid hdp %d\n", type);
2922		return 0;
2923	}
2924
2925	switch (state) {
2926	case AMDGPU_IRQ_STATE_DISABLE:
2927		dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2928		dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2929		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2930		break;
2931	case AMDGPU_IRQ_STATE_ENABLE:
2932		dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2933		dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2934		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2935		break;
2936	default:
2937		break;
2938	}
2939
2940	return 0;
2941}
2942
2943static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2944					     struct amdgpu_irq_src *src,
2945					     unsigned type,
2946					     enum amdgpu_interrupt_state state)
2947{
2948	switch (type) {
2949	case AMDGPU_CRTC_IRQ_VBLANK1:
2950		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2951		break;
2952	case AMDGPU_CRTC_IRQ_VBLANK2:
2953		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2954		break;
2955	case AMDGPU_CRTC_IRQ_VBLANK3:
2956		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2957		break;
2958	case AMDGPU_CRTC_IRQ_VBLANK4:
2959		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2960		break;
2961	case AMDGPU_CRTC_IRQ_VBLANK5:
2962		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2963		break;
2964	case AMDGPU_CRTC_IRQ_VBLANK6:
2965		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2966		break;
2967	case AMDGPU_CRTC_IRQ_VLINE1:
2968		dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2969		break;
2970	case AMDGPU_CRTC_IRQ_VLINE2:
2971		dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2972		break;
2973	case AMDGPU_CRTC_IRQ_VLINE3:
2974		dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2975		break;
2976	case AMDGPU_CRTC_IRQ_VLINE4:
2977		dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2978		break;
2979	case AMDGPU_CRTC_IRQ_VLINE5:
2980		dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2981		break;
2982	case AMDGPU_CRTC_IRQ_VLINE6:
2983		dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2984		break;
2985	default:
2986		break;
2987	}
2988	return 0;
2989}
2990
2991static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2992			     struct amdgpu_irq_src *source,
2993			     struct amdgpu_iv_entry *entry)
2994{
2995	unsigned crtc = entry->src_id - 1;
2996	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2997	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
2998								    crtc);
2999
3000	switch (entry->src_data[0]) {
3001	case 0: /* vblank */
3002		if (disp_int & interrupt_status_offsets[crtc].vblank)
3003			WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
3004		else
3005			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3006
3007		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3008			drm_handle_vblank(adev_to_drm(adev), crtc);
3009		}
3010		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3011		break;
3012	case 1: /* vline */
3013		if (disp_int & interrupt_status_offsets[crtc].vline)
3014			WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
3015		else
3016			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3017
3018		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3019		break;
3020	default:
3021		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3022		break;
3023	}
3024
3025	return 0;
3026}
3027
3028static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
3029						 struct amdgpu_irq_src *src,
3030						 unsigned type,
3031						 enum amdgpu_interrupt_state state)
3032{
3033	u32 reg;
3034
3035	if (type >= adev->mode_info.num_crtc) {
3036		DRM_ERROR("invalid pageflip crtc %d\n", type);
3037		return -EINVAL;
3038	}
3039
3040	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3041	if (state == AMDGPU_IRQ_STATE_DISABLE)
3042		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3043		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3044	else
3045		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3046		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3047
3048	return 0;
3049}
3050
3051static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
3052				 struct amdgpu_irq_src *source,
3053				 struct amdgpu_iv_entry *entry)
3054{
3055	unsigned long flags;
3056	unsigned crtc_id;
3057	struct amdgpu_crtc *amdgpu_crtc;
3058	struct amdgpu_flip_work *works;
3059
3060	crtc_id = (entry->src_id - 8) >> 1;
3061	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3062
3063	if (crtc_id >= adev->mode_info.num_crtc) {
3064		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3065		return -EINVAL;
3066	}
3067
3068	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3069	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3070		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3071		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3072
3073	/* IRQ could occur when in initial stage */
3074	if (amdgpu_crtc == NULL)
3075		return 0;
3076
3077	spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3078	works = amdgpu_crtc->pflip_works;
3079	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3080		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3081						"AMDGPU_FLIP_SUBMITTED(%d)\n",
3082						amdgpu_crtc->pflip_status,
3083						AMDGPU_FLIP_SUBMITTED);
3084		spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3085		return 0;
3086	}
3087
3088	/* page flip completed. clean up */
3089	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3090	amdgpu_crtc->pflip_works = NULL;
3091
3092	/* wakeup usersapce */
3093	if (works->event)
3094		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3095
3096	spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3097
3098	drm_crtc_vblank_put(&amdgpu_crtc->base);
3099	schedule_work(&works->unpin_work);
3100
3101	return 0;
3102}
3103
3104static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
3105			    struct amdgpu_irq_src *source,
3106			    struct amdgpu_iv_entry *entry)
3107{
3108	uint32_t disp_int, mask;
3109	unsigned hpd;
3110
3111	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3112		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3113		return 0;
3114	}
3115
3116	hpd = entry->src_data[0];
3117	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3118	mask = interrupt_status_offsets[hpd].hpd;
3119
3120	if (disp_int & mask) {
3121		dce_v6_0_hpd_int_ack(adev, hpd);
3122		schedule_delayed_work(&adev->hotplug_work, 0);
3123		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3124	}
3125
3126	return 0;
3127
3128}
3129
3130static int dce_v6_0_set_clockgating_state(void *handle,
3131					  enum amd_clockgating_state state)
3132{
3133	return 0;
3134}
3135
3136static int dce_v6_0_set_powergating_state(void *handle,
3137					  enum amd_powergating_state state)
3138{
3139	return 0;
3140}
3141
3142static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
3143	.name = "dce_v6_0",
3144	.early_init = dce_v6_0_early_init,
3145	.late_init = NULL,
3146	.sw_init = dce_v6_0_sw_init,
3147	.sw_fini = dce_v6_0_sw_fini,
3148	.hw_init = dce_v6_0_hw_init,
3149	.hw_fini = dce_v6_0_hw_fini,
3150	.suspend = dce_v6_0_suspend,
3151	.resume = dce_v6_0_resume,
3152	.is_idle = dce_v6_0_is_idle,
3153	.wait_for_idle = dce_v6_0_wait_for_idle,
3154	.soft_reset = dce_v6_0_soft_reset,
3155	.set_clockgating_state = dce_v6_0_set_clockgating_state,
3156	.set_powergating_state = dce_v6_0_set_powergating_state,
3157};
3158
3159static void
3160dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
3161			  struct drm_display_mode *mode,
3162			  struct drm_display_mode *adjusted_mode)
3163{
3164
3165	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3166	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3167
3168	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3169
3170	/* need to call this here rather than in prepare() since we need some crtc info */
3171	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3172
3173	/* set scaler clears this on some chips */
3174	dce_v6_0_set_interleave(encoder->crtc, mode);
3175
3176	if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em)) {
3177		dce_v6_0_afmt_enable(encoder, true);
3178		dce_v6_0_afmt_setmode(encoder, adjusted_mode);
3179	}
3180}
3181
3182static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
3183{
3184
3185	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3186	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3187	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3188
3189	if ((amdgpu_encoder->active_device &
3190	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3191	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3192	     ENCODER_OBJECT_ID_NONE)) {
3193		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3194		if (dig) {
3195			dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
3196			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3197				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3198		}
3199	}
3200
3201	amdgpu_atombios_scratch_regs_lock(adev, true);
3202
3203	if (connector) {
3204		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3205
3206		/* select the clock/data port if it uses a router */
3207		if (amdgpu_connector->router.cd_valid)
3208			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3209
3210		/* turn eDP panel on for mode set */
3211		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3212			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3213							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3214	}
3215
3216	/* this is needed for the pll/ss setup to work correctly in some cases */
3217	amdgpu_atombios_encoder_set_crtc_source(encoder);
3218	/* set up the FMT blocks */
3219	dce_v6_0_program_fmt(encoder);
3220}
3221
3222static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
3223{
3224
3225	struct drm_device *dev = encoder->dev;
3226	struct amdgpu_device *adev = drm_to_adev(dev);
3227
3228	/* need to call this here as we need the crtc set up */
3229	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3230	amdgpu_atombios_scratch_regs_lock(adev, false);
3231}
3232
3233static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
3234{
3235
3236	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3237	struct amdgpu_encoder_atom_dig *dig;
3238	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3239
3240	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3241
3242	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3243		if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em))
3244			dce_v6_0_afmt_enable(encoder, false);
3245		dig = amdgpu_encoder->enc_priv;
3246		dig->dig_encoder = -1;
3247	}
3248	amdgpu_encoder->active_device = 0;
3249}
3250
3251/* these are handled by the primary encoders */
3252static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
3253{
3254
3255}
3256
3257static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
3258{
3259
3260}
3261
3262static void
3263dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
3264		      struct drm_display_mode *mode,
3265		      struct drm_display_mode *adjusted_mode)
3266{
3267
3268}
3269
3270static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
3271{
3272
3273}
3274
3275static void
3276dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
3277{
3278
3279}
3280
3281static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
3282				    const struct drm_display_mode *mode,
3283				    struct drm_display_mode *adjusted_mode)
3284{
3285	return true;
3286}
3287
3288static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
3289	.dpms = dce_v6_0_ext_dpms,
3290	.mode_fixup = dce_v6_0_ext_mode_fixup,
3291	.prepare = dce_v6_0_ext_prepare,
3292	.mode_set = dce_v6_0_ext_mode_set,
3293	.commit = dce_v6_0_ext_commit,
3294	.disable = dce_v6_0_ext_disable,
3295	/* no detect for TMDS/LVDS yet */
3296};
3297
3298static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
3299	.dpms = amdgpu_atombios_encoder_dpms,
3300	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3301	.prepare = dce_v6_0_encoder_prepare,
3302	.mode_set = dce_v6_0_encoder_mode_set,
3303	.commit = dce_v6_0_encoder_commit,
3304	.disable = dce_v6_0_encoder_disable,
3305	.detect = amdgpu_atombios_encoder_dig_detect,
3306};
3307
3308static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
3309	.dpms = amdgpu_atombios_encoder_dpms,
3310	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3311	.prepare = dce_v6_0_encoder_prepare,
3312	.mode_set = dce_v6_0_encoder_mode_set,
3313	.commit = dce_v6_0_encoder_commit,
3314	.detect = amdgpu_atombios_encoder_dac_detect,
3315};
3316
3317static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
3318{
3319	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3320	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3321		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3322	kfree(amdgpu_encoder->enc_priv);
3323	drm_encoder_cleanup(encoder);
3324	kfree(amdgpu_encoder);
3325}
3326
3327static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
3328	.destroy = dce_v6_0_encoder_destroy,
3329};
3330
3331static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
3332				 uint32_t encoder_enum,
3333				 uint32_t supported_device,
3334				 u16 caps)
3335{
3336	struct drm_device *dev = adev_to_drm(adev);
3337	struct drm_encoder *encoder;
3338	struct amdgpu_encoder *amdgpu_encoder;
3339
3340	/* see if we already added it */
3341	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3342		amdgpu_encoder = to_amdgpu_encoder(encoder);
3343		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3344			amdgpu_encoder->devices |= supported_device;
3345			return;
3346		}
3347
3348	}
3349
3350	/* add a new one */
3351	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3352	if (!amdgpu_encoder)
3353		return;
3354
3355	encoder = &amdgpu_encoder->base;
3356	switch (adev->mode_info.num_crtc) {
3357	case 1:
3358		encoder->possible_crtcs = 0x1;
3359		break;
3360	case 2:
3361	default:
3362		encoder->possible_crtcs = 0x3;
3363		break;
3364	case 4:
3365		encoder->possible_crtcs = 0xf;
3366		break;
3367	case 6:
3368		encoder->possible_crtcs = 0x3f;
3369		break;
3370	}
3371
3372	amdgpu_encoder->enc_priv = NULL;
3373	amdgpu_encoder->encoder_enum = encoder_enum;
3374	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3375	amdgpu_encoder->devices = supported_device;
3376	amdgpu_encoder->rmx_type = RMX_OFF;
3377	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3378	amdgpu_encoder->is_ext_encoder = false;
3379	amdgpu_encoder->caps = caps;
3380
3381	switch (amdgpu_encoder->encoder_id) {
3382	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3383	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3384		drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3385				 DRM_MODE_ENCODER_DAC, NULL);
3386		drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
3387		break;
3388	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3389	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3390	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3391	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3392	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3393		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3394			amdgpu_encoder->rmx_type = RMX_FULL;
3395			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3396					 DRM_MODE_ENCODER_LVDS, NULL);
3397			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3398		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3399			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3400					 DRM_MODE_ENCODER_DAC, NULL);
3401			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3402		} else {
3403			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3404					 DRM_MODE_ENCODER_TMDS, NULL);
3405			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3406		}
3407		drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3408		break;
3409	case ENCODER_OBJECT_ID_SI170B:
3410	case ENCODER_OBJECT_ID_CH7303:
3411	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3412	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3413	case ENCODER_OBJECT_ID_TITFP513:
3414	case ENCODER_OBJECT_ID_VT1623:
3415	case ENCODER_OBJECT_ID_HDMI_SI1930:
3416	case ENCODER_OBJECT_ID_TRAVIS:
3417	case ENCODER_OBJECT_ID_NUTMEG:
3418		/* these are handled by the primary encoders */
3419		amdgpu_encoder->is_ext_encoder = true;
3420		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3421			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3422					 DRM_MODE_ENCODER_LVDS, NULL);
3423		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3424			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3425					 DRM_MODE_ENCODER_DAC, NULL);
3426		else
3427			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3428					 DRM_MODE_ENCODER_TMDS, NULL);
3429		drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3430		break;
3431	}
3432}
3433
3434static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3435	.bandwidth_update = &dce_v6_0_bandwidth_update,
3436	.vblank_get_counter = &dce_v6_0_vblank_get_counter,
3437	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3438	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3439	.hpd_sense = &dce_v6_0_hpd_sense,
3440	.hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3441	.hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3442	.page_flip = &dce_v6_0_page_flip,
3443	.page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3444	.add_encoder = &dce_v6_0_encoder_add,
3445	.add_connector = &amdgpu_connector_add,
3446};
3447
3448static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3449{
3450	adev->mode_info.funcs = &dce_v6_0_display_funcs;
3451}
3452
3453static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3454	.set = dce_v6_0_set_crtc_interrupt_state,
3455	.process = dce_v6_0_crtc_irq,
3456};
3457
3458static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3459	.set = dce_v6_0_set_pageflip_interrupt_state,
3460	.process = dce_v6_0_pageflip_irq,
3461};
3462
3463static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3464	.set = dce_v6_0_set_hpd_interrupt_state,
3465	.process = dce_v6_0_hpd_irq,
3466};
3467
3468static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3469{
3470	if (adev->mode_info.num_crtc > 0)
3471		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3472	else
3473		adev->crtc_irq.num_types = 0;
3474	adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3475
3476	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3477	adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3478
3479	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3480	adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3481}
3482
3483const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3484{
3485	.type = AMD_IP_BLOCK_TYPE_DCE,
3486	.major = 6,
3487	.minor = 0,
3488	.rev = 0,
3489	.funcs = &dce_v6_0_ip_funcs,
3490};
3491
3492const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3493{
3494	.type = AMD_IP_BLOCK_TYPE_DCE,
3495	.major = 6,
3496	.minor = 4,
3497	.rev = 0,
3498	.funcs = &dce_v6_0_ip_funcs,
3499};
v6.13.7
   1/*
   2 * Copyright 2015 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 */
  23
  24#include <linux/pci.h>
  25
  26#include <drm/drm_edid.h>
  27#include <drm/drm_fourcc.h>
  28#include <drm/drm_modeset_helper.h>
  29#include <drm/drm_modeset_helper_vtables.h>
  30#include <drm/drm_vblank.h>
  31
  32#include "amdgpu.h"
  33#include "amdgpu_pm.h"
  34#include "amdgpu_i2c.h"
  35#include "atom.h"
  36#include "amdgpu_atombios.h"
  37#include "atombios_crtc.h"
  38#include "atombios_encoders.h"
  39#include "amdgpu_pll.h"
  40#include "amdgpu_connectors.h"
  41#include "amdgpu_display.h"
  42
  43#include "bif/bif_3_0_d.h"
  44#include "bif/bif_3_0_sh_mask.h"
  45#include "oss/oss_1_0_d.h"
  46#include "oss/oss_1_0_sh_mask.h"
  47#include "gca/gfx_6_0_d.h"
  48#include "gca/gfx_6_0_sh_mask.h"
  49#include "gmc/gmc_6_0_d.h"
  50#include "gmc/gmc_6_0_sh_mask.h"
  51#include "dce/dce_6_0_d.h"
  52#include "dce/dce_6_0_sh_mask.h"
  53#include "gca/gfx_7_2_enum.h"
  54#include "dce_v6_0.h"
  55#include "si_enums.h"
  56
  57static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
  58static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
  59
  60static const u32 crtc_offsets[6] =
  61{
  62	SI_CRTC0_REGISTER_OFFSET,
  63	SI_CRTC1_REGISTER_OFFSET,
  64	SI_CRTC2_REGISTER_OFFSET,
  65	SI_CRTC3_REGISTER_OFFSET,
  66	SI_CRTC4_REGISTER_OFFSET,
  67	SI_CRTC5_REGISTER_OFFSET
  68};
  69
  70static const u32 hpd_offsets[] =
  71{
  72	mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
  73	mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
  74	mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
  75	mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
  76	mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
  77	mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
  78};
  79
  80static const uint32_t dig_offsets[] = {
  81	SI_CRTC0_REGISTER_OFFSET,
  82	SI_CRTC1_REGISTER_OFFSET,
  83	SI_CRTC2_REGISTER_OFFSET,
  84	SI_CRTC3_REGISTER_OFFSET,
  85	SI_CRTC4_REGISTER_OFFSET,
  86	SI_CRTC5_REGISTER_OFFSET,
  87	(0x13830 - 0x7030) >> 2,
  88};
  89
  90static const struct {
  91	uint32_t	reg;
  92	uint32_t	vblank;
  93	uint32_t	vline;
  94	uint32_t	hpd;
  95
  96} interrupt_status_offsets[6] = { {
  97	.reg = mmDISP_INTERRUPT_STATUS,
  98	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  99	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
 100	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
 101}, {
 102	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
 103	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
 104	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
 105	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
 106}, {
 107	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
 108	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
 109	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
 110	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 111}, {
 112	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 113	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 114	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 115	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 116}, {
 117	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 118	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 119	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 120	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 121}, {
 122	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 123	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 124	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 125	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 126} };
 127
 128static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
 129				     u32 block_offset, u32 reg)
 130{
 131	unsigned long flags;
 132	u32 r;
 133
 134	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 135	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 136	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 137	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 138
 139	return r;
 140}
 141
 142static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
 143				      u32 block_offset, u32 reg, u32 v)
 144{
 145	unsigned long flags;
 146
 147	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 148	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset,
 149		reg | AZALIA_F0_CODEC_ENDPOINT_INDEX__AZALIA_ENDPOINT_REG_WRITE_EN_MASK);
 150	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 151	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 152}
 153
 154static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 155{
 156	if (crtc >= adev->mode_info.num_crtc)
 157		return 0;
 158	else
 159		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 160}
 161
 162static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 163{
 164	unsigned i;
 165
 166	/* Enable pflip interrupts */
 167	for (i = 0; i < adev->mode_info.num_crtc; i++)
 168		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 169}
 170
 171static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 172{
 173	unsigned i;
 174
 175	/* Disable pflip interrupts */
 176	for (i = 0; i < adev->mode_info.num_crtc; i++)
 177		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 178}
 179
 180/**
 181 * dce_v6_0_page_flip - pageflip callback.
 182 *
 183 * @adev: amdgpu_device pointer
 184 * @crtc_id: crtc to cleanup pageflip on
 185 * @crtc_base: new address of the crtc (GPU MC address)
 186 * @async: asynchronous flip
 187 *
 188 * Does the actual pageflip (evergreen+).
 189 * During vblank we take the crtc lock and wait for the update_pending
 190 * bit to go high, when it does, we release the lock, and allow the
 191 * double buffered update to take place.
 192 * Returns the current update pending status.
 193 */
 194static void dce_v6_0_page_flip(struct amdgpu_device *adev,
 195			       int crtc_id, u64 crtc_base, bool async)
 196{
 197	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 198	struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
 199
 200	/* flip at hsync for async, default is vsync */
 201	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
 202	       GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
 203	/* update pitch */
 204	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
 205	       fb->pitches[0] / fb->format->cpp[0]);
 206	/* update the scanout addresses */
 207	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 208	       upper_32_bits(crtc_base));
 209	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 210	       (u32)crtc_base);
 211
 212	/* post the write */
 213	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 214}
 215
 216static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 217					u32 *vbl, u32 *position)
 218{
 219	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 220		return -EINVAL;
 221	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 222	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 223
 224	return 0;
 225
 226}
 227
 228/**
 229 * dce_v6_0_hpd_sense - hpd sense callback.
 230 *
 231 * @adev: amdgpu_device pointer
 232 * @hpd: hpd (hotplug detect) pin
 233 *
 234 * Checks if a digital monitor is connected (evergreen+).
 235 * Returns true if connected, false if not connected.
 236 */
 237static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
 238			       enum amdgpu_hpd_id hpd)
 239{
 240	bool connected = false;
 241
 242	if (hpd >= adev->mode_info.num_hpd)
 243		return connected;
 244
 245	if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
 246		connected = true;
 247
 248	return connected;
 249}
 250
 251/**
 252 * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
 253 *
 254 * @adev: amdgpu_device pointer
 255 * @hpd: hpd (hotplug detect) pin
 256 *
 257 * Set the polarity of the hpd pin (evergreen+).
 258 */
 259static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
 260				      enum amdgpu_hpd_id hpd)
 261{
 262	u32 tmp;
 263	bool connected = dce_v6_0_hpd_sense(adev, hpd);
 264
 265	if (hpd >= adev->mode_info.num_hpd)
 266		return;
 267
 268	tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
 269	if (connected)
 270		tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
 271	else
 272		tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
 273	WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
 274}
 275
 276static void dce_v6_0_hpd_int_ack(struct amdgpu_device *adev,
 277				 int hpd)
 278{
 279	u32 tmp;
 280
 281	if (hpd >= adev->mode_info.num_hpd) {
 282		DRM_DEBUG("invalid hdp %d\n", hpd);
 283		return;
 284	}
 285
 286	tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
 287	tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
 288	WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
 289}
 290
 291/**
 292 * dce_v6_0_hpd_init - hpd setup callback.
 293 *
 294 * @adev: amdgpu_device pointer
 295 *
 296 * Setup the hpd pins used by the card (evergreen+).
 297 * Enable the pin, set the polarity, and enable the hpd interrupts.
 298 */
 299static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
 300{
 301	struct drm_device *dev = adev_to_drm(adev);
 302	struct drm_connector *connector;
 303	struct drm_connector_list_iter iter;
 304	u32 tmp;
 305
 306	drm_connector_list_iter_begin(dev, &iter);
 307	drm_for_each_connector_iter(connector, &iter) {
 308		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 309
 310		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 311			continue;
 312
 313		tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 314		tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
 315		WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 316
 317		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 318		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 319			/* don't try to enable hpd on eDP or LVDS avoid breaking the
 320			 * aux dp channel on imac and help (but not completely fix)
 321			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 322			 * also avoid interrupt storms during dpms.
 323			 */
 324			tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 325			tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
 326			WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 327			continue;
 328		}
 329
 330		dce_v6_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
 331		dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 332		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 333	}
 334	drm_connector_list_iter_end(&iter);
 335}
 336
 337/**
 338 * dce_v6_0_hpd_fini - hpd tear down callback.
 339 *
 340 * @adev: amdgpu_device pointer
 341 *
 342 * Tear down the hpd pins used by the card (evergreen+).
 343 * Disable the hpd interrupts.
 344 */
 345static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
 346{
 347	struct drm_device *dev = adev_to_drm(adev);
 348	struct drm_connector *connector;
 349	struct drm_connector_list_iter iter;
 350	u32 tmp;
 351
 352	drm_connector_list_iter_begin(dev, &iter);
 353	drm_for_each_connector_iter(connector, &iter) {
 354		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 355
 356		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 357			continue;
 358
 359		tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 360		tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
 361		WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 362
 363		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 364	}
 365	drm_connector_list_iter_end(&iter);
 366}
 367
 368static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 369{
 370	return mmDC_GPIO_HPD_A;
 371}
 372
 373static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
 374					  bool render)
 375{
 376	if (!render)
 377		WREG32(mmVGA_RENDER_CONTROL,
 378			RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
 379
 380}
 381
 382static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
 383{
 384	switch (adev->asic_type) {
 385	case CHIP_TAHITI:
 386	case CHIP_PITCAIRN:
 387	case CHIP_VERDE:
 388		return 6;
 389	case CHIP_OLAND:
 390		return 2;
 391	default:
 392		return 0;
 393	}
 394}
 395
 396void dce_v6_0_disable_dce(struct amdgpu_device *adev)
 397{
 398	/*Disable VGA render and enabled crtc, if has DCE engine*/
 399	if (amdgpu_atombios_has_dce_engine_info(adev)) {
 400		u32 tmp;
 401		int crtc_enabled, i;
 402
 403		dce_v6_0_set_vga_render_state(adev, false);
 404
 405		/*Disable crtc*/
 406		for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
 407			crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
 408				CRTC_CONTROL__CRTC_MASTER_EN_MASK;
 409			if (crtc_enabled) {
 410				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 411				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 412				tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
 413				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 414				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 415			}
 416		}
 417	}
 418}
 419
 420static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
 421{
 422
 423	struct drm_device *dev = encoder->dev;
 424	struct amdgpu_device *adev = drm_to_adev(dev);
 425	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 426	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 427	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 428	int bpc = 0;
 429	u32 tmp = 0;
 430	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 431
 432	if (connector) {
 433		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 434		bpc = amdgpu_connector_get_monitor_bpc(connector);
 435		dither = amdgpu_connector->dither;
 436	}
 437
 438	/* LVDS FMT is set up by atom */
 439	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 440		return;
 441
 442	if (bpc == 0)
 443		return;
 444
 445
 446	switch (bpc) {
 447	case 6:
 448		if (dither == AMDGPU_FMT_DITHER_ENABLE)
 449			/* XXX sort out optimal dither settings */
 450			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
 451				FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
 452				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
 453		else
 454			tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
 455		break;
 456	case 8:
 457		if (dither == AMDGPU_FMT_DITHER_ENABLE)
 458			/* XXX sort out optimal dither settings */
 459			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
 460				FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
 461				FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
 462				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
 463				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
 464		else
 465			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
 466				FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
 467		break;
 468	case 10:
 469	default:
 470		/* not needed */
 471		break;
 472	}
 473
 474	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 475}
 476
 477/**
 478 * si_get_number_of_dram_channels - get the number of dram channels
 479 *
 480 * @adev: amdgpu_device pointer
 481 *
 482 * Look up the number of video ram channels (CIK).
 483 * Used for display watermark bandwidth calculations
 484 * Returns the number of dram channels
 485 */
 486static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
 487{
 488	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 489
 490	switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
 491	case 0:
 492	default:
 493		return 1;
 494	case 1:
 495		return 2;
 496	case 2:
 497		return 4;
 498	case 3:
 499		return 8;
 500	case 4:
 501		return 3;
 502	case 5:
 503		return 6;
 504	case 6:
 505		return 10;
 506	case 7:
 507		return 12;
 508	case 8:
 509		return 16;
 510	}
 511}
 512
 513struct dce6_wm_params {
 514	u32 dram_channels; /* number of dram channels */
 515	u32 yclk;          /* bandwidth per dram data pin in kHz */
 516	u32 sclk;          /* engine clock in kHz */
 517	u32 disp_clk;      /* display clock in kHz */
 518	u32 src_width;     /* viewport width */
 519	u32 active_time;   /* active display time in ns */
 520	u32 blank_time;    /* blank time in ns */
 521	bool interlaced;    /* mode is interlaced */
 522	fixed20_12 vsc;    /* vertical scale ratio */
 523	u32 num_heads;     /* number of active crtcs */
 524	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 525	u32 lb_size;       /* line buffer allocated to pipe */
 526	u32 vtaps;         /* vertical scaler taps */
 527};
 528
 529/**
 530 * dce_v6_0_dram_bandwidth - get the dram bandwidth
 531 *
 532 * @wm: watermark calculation data
 533 *
 534 * Calculate the raw dram bandwidth (CIK).
 535 * Used for display watermark bandwidth calculations
 536 * Returns the dram bandwidth in MBytes/s
 537 */
 538static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
 539{
 540	/* Calculate raw DRAM Bandwidth */
 541	fixed20_12 dram_efficiency; /* 0.7 */
 542	fixed20_12 yclk, dram_channels, bandwidth;
 543	fixed20_12 a;
 544
 545	a.full = dfixed_const(1000);
 546	yclk.full = dfixed_const(wm->yclk);
 547	yclk.full = dfixed_div(yclk, a);
 548	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 549	a.full = dfixed_const(10);
 550	dram_efficiency.full = dfixed_const(7);
 551	dram_efficiency.full = dfixed_div(dram_efficiency, a);
 552	bandwidth.full = dfixed_mul(dram_channels, yclk);
 553	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 554
 555	return dfixed_trunc(bandwidth);
 556}
 557
 558/**
 559 * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
 560 *
 561 * @wm: watermark calculation data
 562 *
 563 * Calculate the dram bandwidth used for display (CIK).
 564 * Used for display watermark bandwidth calculations
 565 * Returns the dram bandwidth for display in MBytes/s
 566 */
 567static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
 568{
 569	/* Calculate DRAM Bandwidth and the part allocated to display. */
 570	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 571	fixed20_12 yclk, dram_channels, bandwidth;
 572	fixed20_12 a;
 573
 574	a.full = dfixed_const(1000);
 575	yclk.full = dfixed_const(wm->yclk);
 576	yclk.full = dfixed_div(yclk, a);
 577	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 578	a.full = dfixed_const(10);
 579	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 580	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 581	bandwidth.full = dfixed_mul(dram_channels, yclk);
 582	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 583
 584	return dfixed_trunc(bandwidth);
 585}
 586
 587/**
 588 * dce_v6_0_data_return_bandwidth - get the data return bandwidth
 589 *
 590 * @wm: watermark calculation data
 591 *
 592 * Calculate the data return bandwidth used for display (CIK).
 593 * Used for display watermark bandwidth calculations
 594 * Returns the data return bandwidth in MBytes/s
 595 */
 596static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
 597{
 598	/* Calculate the display Data return Bandwidth */
 599	fixed20_12 return_efficiency; /* 0.8 */
 600	fixed20_12 sclk, bandwidth;
 601	fixed20_12 a;
 602
 603	a.full = dfixed_const(1000);
 604	sclk.full = dfixed_const(wm->sclk);
 605	sclk.full = dfixed_div(sclk, a);
 606	a.full = dfixed_const(10);
 607	return_efficiency.full = dfixed_const(8);
 608	return_efficiency.full = dfixed_div(return_efficiency, a);
 609	a.full = dfixed_const(32);
 610	bandwidth.full = dfixed_mul(a, sclk);
 611	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 612
 613	return dfixed_trunc(bandwidth);
 614}
 615
 616/**
 617 * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
 618 *
 619 * @wm: watermark calculation data
 620 *
 621 * Calculate the dmif bandwidth used for display (CIK).
 622 * Used for display watermark bandwidth calculations
 623 * Returns the dmif bandwidth in MBytes/s
 624 */
 625static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
 626{
 627	/* Calculate the DMIF Request Bandwidth */
 628	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 629	fixed20_12 disp_clk, bandwidth;
 630	fixed20_12 a, b;
 631
 632	a.full = dfixed_const(1000);
 633	disp_clk.full = dfixed_const(wm->disp_clk);
 634	disp_clk.full = dfixed_div(disp_clk, a);
 635	a.full = dfixed_const(32);
 636	b.full = dfixed_mul(a, disp_clk);
 637
 638	a.full = dfixed_const(10);
 639	disp_clk_request_efficiency.full = dfixed_const(8);
 640	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 641
 642	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 643
 644	return dfixed_trunc(bandwidth);
 645}
 646
 647/**
 648 * dce_v6_0_available_bandwidth - get the min available bandwidth
 649 *
 650 * @wm: watermark calculation data
 651 *
 652 * Calculate the min available bandwidth used for display (CIK).
 653 * Used for display watermark bandwidth calculations
 654 * Returns the min available bandwidth in MBytes/s
 655 */
 656static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
 657{
 658	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 659	u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
 660	u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
 661	u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
 662
 663	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 664}
 665
 666/**
 667 * dce_v6_0_average_bandwidth - get the average available bandwidth
 668 *
 669 * @wm: watermark calculation data
 670 *
 671 * Calculate the average available bandwidth used for display (CIK).
 672 * Used for display watermark bandwidth calculations
 673 * Returns the average available bandwidth in MBytes/s
 674 */
 675static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
 676{
 677	/* Calculate the display mode Average Bandwidth
 678	 * DisplayMode should contain the source and destination dimensions,
 679	 * timing, etc.
 680	 */
 681	fixed20_12 bpp;
 682	fixed20_12 line_time;
 683	fixed20_12 src_width;
 684	fixed20_12 bandwidth;
 685	fixed20_12 a;
 686
 687	a.full = dfixed_const(1000);
 688	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 689	line_time.full = dfixed_div(line_time, a);
 690	bpp.full = dfixed_const(wm->bytes_per_pixel);
 691	src_width.full = dfixed_const(wm->src_width);
 692	bandwidth.full = dfixed_mul(src_width, bpp);
 693	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 694	bandwidth.full = dfixed_div(bandwidth, line_time);
 695
 696	return dfixed_trunc(bandwidth);
 697}
 698
 699/**
 700 * dce_v6_0_latency_watermark - get the latency watermark
 701 *
 702 * @wm: watermark calculation data
 703 *
 704 * Calculate the latency watermark (CIK).
 705 * Used for display watermark bandwidth calculations
 706 * Returns the latency watermark in ns
 707 */
 708static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
 709{
 710	/* First calculate the latency in ns */
 711	u32 mc_latency = 2000; /* 2000 ns. */
 712	u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
 713	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 714	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 715	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 716	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 717		(wm->num_heads * cursor_line_pair_return_time);
 718	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 719	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 720	u32 tmp, dmif_size = 12288;
 721	fixed20_12 a, b, c;
 722
 723	if (wm->num_heads == 0)
 724		return 0;
 725
 726	a.full = dfixed_const(2);
 727	b.full = dfixed_const(1);
 728	if ((wm->vsc.full > a.full) ||
 729	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 730	    (wm->vtaps >= 5) ||
 731	    ((wm->vsc.full >= a.full) && wm->interlaced))
 732		max_src_lines_per_dst_line = 4;
 733	else
 734		max_src_lines_per_dst_line = 2;
 735
 736	a.full = dfixed_const(available_bandwidth);
 737	b.full = dfixed_const(wm->num_heads);
 738	a.full = dfixed_div(a, b);
 739	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 740	tmp = min(dfixed_trunc(a), tmp);
 741
 742	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 743
 744	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 745	b.full = dfixed_const(1000);
 746	c.full = dfixed_const(lb_fill_bw);
 747	b.full = dfixed_div(c, b);
 748	a.full = dfixed_div(a, b);
 749	line_fill_time = dfixed_trunc(a);
 750
 751	if (line_fill_time < wm->active_time)
 752		return latency;
 753	else
 754		return latency + (line_fill_time - wm->active_time);
 755
 756}
 757
 758/**
 759 * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 760 * average and available dram bandwidth
 761 *
 762 * @wm: watermark calculation data
 763 *
 764 * Check if the display average bandwidth fits in the display
 765 * dram bandwidth (CIK).
 766 * Used for display watermark bandwidth calculations
 767 * Returns true if the display fits, false if not.
 768 */
 769static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
 770{
 771	if (dce_v6_0_average_bandwidth(wm) <=
 772	    (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 773		return true;
 774	else
 775		return false;
 776}
 777
 778/**
 779 * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
 780 * average and available bandwidth
 781 *
 782 * @wm: watermark calculation data
 783 *
 784 * Check if the display average bandwidth fits in the display
 785 * available bandwidth (CIK).
 786 * Used for display watermark bandwidth calculations
 787 * Returns true if the display fits, false if not.
 788 */
 789static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
 790{
 791	if (dce_v6_0_average_bandwidth(wm) <=
 792	    (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
 793		return true;
 794	else
 795		return false;
 796}
 797
 798/**
 799 * dce_v6_0_check_latency_hiding - check latency hiding
 800 *
 801 * @wm: watermark calculation data
 802 *
 803 * Check latency hiding (CIK).
 804 * Used for display watermark bandwidth calculations
 805 * Returns true if the display fits, false if not.
 806 */
 807static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
 808{
 809	u32 lb_partitions = wm->lb_size / wm->src_width;
 810	u32 line_time = wm->active_time + wm->blank_time;
 811	u32 latency_tolerant_lines;
 812	u32 latency_hiding;
 813	fixed20_12 a;
 814
 815	a.full = dfixed_const(1);
 816	if (wm->vsc.full > a.full)
 817		latency_tolerant_lines = 1;
 818	else {
 819		if (lb_partitions <= (wm->vtaps + 1))
 820			latency_tolerant_lines = 1;
 821		else
 822			latency_tolerant_lines = 2;
 823	}
 824
 825	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
 826
 827	if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
 828		return true;
 829	else
 830		return false;
 831}
 832
 833/**
 834 * dce_v6_0_program_watermarks - program display watermarks
 835 *
 836 * @adev: amdgpu_device pointer
 837 * @amdgpu_crtc: the selected display controller
 838 * @lb_size: line buffer size
 839 * @num_heads: number of display controllers in use
 840 *
 841 * Calculate and program the display watermarks for the
 842 * selected display controller (CIK).
 843 */
 844static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
 845					struct amdgpu_crtc *amdgpu_crtc,
 846					u32 lb_size, u32 num_heads)
 847{
 848	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
 849	struct dce6_wm_params wm_low, wm_high;
 850	u32 dram_channels;
 851	u32 active_time;
 852	u32 line_time = 0;
 853	u32 latency_watermark_a = 0, latency_watermark_b = 0;
 854	u32 priority_a_mark = 0, priority_b_mark = 0;
 855	u32 priority_a_cnt = PRIORITY_OFF;
 856	u32 priority_b_cnt = PRIORITY_OFF;
 857	u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
 858	fixed20_12 a, b, c;
 859
 860	if (amdgpu_crtc->base.enabled && num_heads && mode) {
 861		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
 862					    (u32)mode->clock);
 863		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
 864					  (u32)mode->clock);
 865		line_time = min_t(u32, line_time, 65535);
 866		priority_a_cnt = 0;
 867		priority_b_cnt = 0;
 868
 869		dram_channels = si_get_number_of_dram_channels(adev);
 870
 871		/* watermark for high clocks */
 872		if (adev->pm.dpm_enabled) {
 873			wm_high.yclk =
 874				amdgpu_dpm_get_mclk(adev, false) * 10;
 875			wm_high.sclk =
 876				amdgpu_dpm_get_sclk(adev, false) * 10;
 877		} else {
 878			wm_high.yclk = adev->pm.current_mclk * 10;
 879			wm_high.sclk = adev->pm.current_sclk * 10;
 880		}
 881
 882		wm_high.disp_clk = mode->clock;
 883		wm_high.src_width = mode->crtc_hdisplay;
 884		wm_high.active_time = active_time;
 885		wm_high.blank_time = line_time - wm_high.active_time;
 886		wm_high.interlaced = false;
 887		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 888			wm_high.interlaced = true;
 889		wm_high.vsc = amdgpu_crtc->vsc;
 890		wm_high.vtaps = 1;
 891		if (amdgpu_crtc->rmx_type != RMX_OFF)
 892			wm_high.vtaps = 2;
 893		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
 894		wm_high.lb_size = lb_size;
 895		wm_high.dram_channels = dram_channels;
 896		wm_high.num_heads = num_heads;
 897
 898		if (adev->pm.dpm_enabled) {
 899		/* watermark for low clocks */
 900			wm_low.yclk =
 901				amdgpu_dpm_get_mclk(adev, true) * 10;
 902			wm_low.sclk =
 903				amdgpu_dpm_get_sclk(adev, true) * 10;
 904		} else {
 905			wm_low.yclk = adev->pm.current_mclk * 10;
 906			wm_low.sclk = adev->pm.current_sclk * 10;
 907		}
 908
 909		wm_low.disp_clk = mode->clock;
 910		wm_low.src_width = mode->crtc_hdisplay;
 911		wm_low.active_time = active_time;
 912		wm_low.blank_time = line_time - wm_low.active_time;
 913		wm_low.interlaced = false;
 914		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 915			wm_low.interlaced = true;
 916		wm_low.vsc = amdgpu_crtc->vsc;
 917		wm_low.vtaps = 1;
 918		if (amdgpu_crtc->rmx_type != RMX_OFF)
 919			wm_low.vtaps = 2;
 920		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
 921		wm_low.lb_size = lb_size;
 922		wm_low.dram_channels = dram_channels;
 923		wm_low.num_heads = num_heads;
 924
 925		/* set for high clocks */
 926		latency_watermark_a = min_t(u32, dce_v6_0_latency_watermark(&wm_high), 65535);
 927		/* set for low clocks */
 928		latency_watermark_b = min_t(u32, dce_v6_0_latency_watermark(&wm_low), 65535);
 929
 930		/* possibly force display priority to high */
 931		/* should really do this at mode validation time... */
 932		if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
 933		    !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
 934		    !dce_v6_0_check_latency_hiding(&wm_high) ||
 935		    (adev->mode_info.disp_priority == 2)) {
 936			DRM_DEBUG_KMS("force priority to high\n");
 937			priority_a_cnt |= PRIORITY_ALWAYS_ON;
 938			priority_b_cnt |= PRIORITY_ALWAYS_ON;
 939		}
 940		if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
 941		    !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
 942		    !dce_v6_0_check_latency_hiding(&wm_low) ||
 943		    (adev->mode_info.disp_priority == 2)) {
 944			DRM_DEBUG_KMS("force priority to high\n");
 945			priority_a_cnt |= PRIORITY_ALWAYS_ON;
 946			priority_b_cnt |= PRIORITY_ALWAYS_ON;
 947		}
 948
 949		a.full = dfixed_const(1000);
 950		b.full = dfixed_const(mode->clock);
 951		b.full = dfixed_div(b, a);
 952		c.full = dfixed_const(latency_watermark_a);
 953		c.full = dfixed_mul(c, b);
 954		c.full = dfixed_mul(c, amdgpu_crtc->hsc);
 955		c.full = dfixed_div(c, a);
 956		a.full = dfixed_const(16);
 957		c.full = dfixed_div(c, a);
 958		priority_a_mark = dfixed_trunc(c);
 959		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
 960
 961		a.full = dfixed_const(1000);
 962		b.full = dfixed_const(mode->clock);
 963		b.full = dfixed_div(b, a);
 964		c.full = dfixed_const(latency_watermark_b);
 965		c.full = dfixed_mul(c, b);
 966		c.full = dfixed_mul(c, amdgpu_crtc->hsc);
 967		c.full = dfixed_div(c, a);
 968		a.full = dfixed_const(16);
 969		c.full = dfixed_div(c, a);
 970		priority_b_mark = dfixed_trunc(c);
 971		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
 972
 973		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
 974	}
 975
 976	/* select wm A */
 977	arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
 978	tmp = arb_control3;
 979	tmp &= ~LATENCY_WATERMARK_MASK(3);
 980	tmp |= LATENCY_WATERMARK_MASK(1);
 981	WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
 982	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
 983	       ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT)  |
 984		(line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
 985	/* select wm B */
 986	tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
 987	tmp &= ~LATENCY_WATERMARK_MASK(3);
 988	tmp |= LATENCY_WATERMARK_MASK(2);
 989	WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
 990	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
 991	       ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
 992		(line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
 993	/* restore original selection */
 994	WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
 995
 996	/* write the priority marks */
 997	WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
 998	WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
 999
1000	/* save values for DPM */
1001	amdgpu_crtc->line_time = line_time;
1002	amdgpu_crtc->wm_high = latency_watermark_a;
1003
1004	/* Save number of lines the linebuffer leads before the scanout */
1005	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1006}
1007
1008/* watermark setup */
1009static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
1010				   struct amdgpu_crtc *amdgpu_crtc,
1011				   struct drm_display_mode *mode,
1012				   struct drm_display_mode *other_mode)
1013{
1014	u32 tmp, buffer_alloc, i;
1015	u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
1016	/*
1017	 * Line Buffer Setup
1018	 * There are 3 line buffers, each one shared by 2 display controllers.
1019	 * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1020	 * the display controllers.  The paritioning is done via one of four
1021	 * preset allocations specified in bits 21:20:
1022	 *  0 - half lb
1023	 *  2 - whole lb, other crtc must be disabled
1024	 */
1025	/* this can get tricky if we have two large displays on a paired group
1026	 * of crtcs.  Ideally for multiple large displays we'd assign them to
1027	 * non-linked crtcs for maximum line buffer allocation.
1028	 */
1029	if (amdgpu_crtc->base.enabled && mode) {
1030		if (other_mode) {
1031			tmp = 0; /* 1/2 */
1032			buffer_alloc = 1;
1033		} else {
1034			tmp = 2; /* whole */
1035			buffer_alloc = 2;
1036		}
1037	} else {
1038		tmp = 0;
1039		buffer_alloc = 0;
1040	}
1041
1042	WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1043	       DC_LB_MEMORY_CONFIG(tmp));
1044
1045	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1046	       (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1047	for (i = 0; i < adev->usec_timeout; i++) {
1048		if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1049		    PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1050			break;
1051		udelay(1);
1052	}
1053
1054	if (amdgpu_crtc->base.enabled && mode) {
1055		switch (tmp) {
1056		case 0:
1057		default:
1058			return 4096 * 2;
1059		case 2:
1060			return 8192 * 2;
1061		}
1062	}
1063
1064	/* controller not enabled, so no lb used */
1065	return 0;
1066}
1067
1068
1069/**
1070 * dce_v6_0_bandwidth_update - program display watermarks
1071 *
1072 * @adev: amdgpu_device pointer
1073 *
1074 * Calculate and program the display watermarks and line
1075 * buffer allocation (CIK).
1076 */
1077static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1078{
1079	struct drm_display_mode *mode0 = NULL;
1080	struct drm_display_mode *mode1 = NULL;
1081	u32 num_heads = 0, lb_size;
1082	int i;
1083
1084	if (!adev->mode_info.mode_config_initialized)
1085		return;
1086
1087	amdgpu_display_update_priority(adev);
1088
1089	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1090		if (adev->mode_info.crtcs[i]->base.enabled)
1091			num_heads++;
1092	}
1093	for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1094		mode0 = &adev->mode_info.crtcs[i]->base.mode;
1095		mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1096		lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1097		dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1098		lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1099		dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1100	}
1101}
1102
1103static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1104{
1105	int i;
1106	u32 tmp;
1107
1108	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1109		tmp = RREG32_AUDIO_ENDPT(adev->mode_info.audio.pin[i].offset,
1110				ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1111		if (REG_GET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT,
1112					PORT_CONNECTIVITY))
1113			adev->mode_info.audio.pin[i].connected = false;
1114		else
1115			adev->mode_info.audio.pin[i].connected = true;
1116	}
1117
1118}
1119
1120static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1121{
1122	int i;
1123
1124	dce_v6_0_audio_get_connected_pins(adev);
1125
1126	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1127		if (adev->mode_info.audio.pin[i].connected)
1128			return &adev->mode_info.audio.pin[i];
1129	}
1130	DRM_ERROR("No connected audio pins found!\n");
1131	return NULL;
1132}
1133
1134static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder)
1135{
1136	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1137	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1138	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1139
1140	if (!dig || !dig->afmt || !dig->afmt->pin)
1141		return;
1142
1143	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset,
1144	       REG_SET_FIELD(0, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT,
1145		             dig->afmt->pin->id));
1146}
1147
1148static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1149						struct drm_display_mode *mode)
1150{
1151	struct drm_device *dev = encoder->dev;
1152	struct amdgpu_device *adev = drm_to_adev(dev);
1153	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1154	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1155	struct drm_connector *connector;
1156	struct drm_connector_list_iter iter;
1157	struct amdgpu_connector *amdgpu_connector = NULL;
1158	int interlace = 0;
1159	u32 tmp;
1160
1161	drm_connector_list_iter_begin(dev, &iter);
1162	drm_for_each_connector_iter(connector, &iter) {
1163		if (connector->encoder == encoder) {
1164			amdgpu_connector = to_amdgpu_connector(connector);
1165			break;
1166		}
1167	}
1168	drm_connector_list_iter_end(&iter);
1169
1170	if (!amdgpu_connector) {
1171		DRM_ERROR("Couldn't find encoder's connector\n");
1172		return;
1173	}
1174
1175	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1176		interlace = 1;
1177
1178	if (connector->latency_present[interlace]) {
1179		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1180				VIDEO_LIPSYNC, connector->video_latency[interlace]);
1181		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1182				AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1183	} else {
1184		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1185				VIDEO_LIPSYNC, 0);
1186		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1187				AUDIO_LIPSYNC, 0);
1188	}
1189	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1190			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1191}
1192
1193static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1194{
1195	struct drm_device *dev = encoder->dev;
1196	struct amdgpu_device *adev = drm_to_adev(dev);
1197	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1198	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1199	struct drm_connector *connector;
1200	struct drm_connector_list_iter iter;
1201	struct amdgpu_connector *amdgpu_connector = NULL;
1202	u8 *sadb = NULL;
1203	int sad_count;
1204	u32 tmp;
1205
1206	drm_connector_list_iter_begin(dev, &iter);
1207	drm_for_each_connector_iter(connector, &iter) {
1208		if (connector->encoder == encoder) {
1209			amdgpu_connector = to_amdgpu_connector(connector);
1210			break;
1211		}
1212	}
1213	drm_connector_list_iter_end(&iter);
1214
1215	if (!amdgpu_connector) {
1216		DRM_ERROR("Couldn't find encoder's connector\n");
1217		return;
1218	}
1219
1220	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector->edid, &sadb);
1221	if (sad_count < 0) {
1222		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1223		sad_count = 0;
1224	}
1225
1226	/* program the speaker allocation */
1227	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1228			ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1229	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1230			HDMI_CONNECTION, 0);
1231	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1232			DP_CONNECTION, 0);
1233
1234	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
1235		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1236				DP_CONNECTION, 1);
1237	else
1238		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1239				HDMI_CONNECTION, 1);
1240
1241	if (sad_count)
1242		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1243				SPEAKER_ALLOCATION, sadb[0]);
1244	else
1245		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1246				SPEAKER_ALLOCATION, 5); /* stereo */
1247
1248	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1249			ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1250
1251	kfree(sadb);
1252}
1253
1254static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1255{
1256	struct drm_device *dev = encoder->dev;
1257	struct amdgpu_device *adev = drm_to_adev(dev);
1258	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1259	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1260	struct drm_connector *connector;
1261	struct drm_connector_list_iter iter;
1262	struct amdgpu_connector *amdgpu_connector = NULL;
1263	struct cea_sad *sads;
1264	int i, sad_count;
1265
1266	static const u16 eld_reg_to_type[][2] = {
1267		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1268		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1269		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1270		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1271		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1272		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1273		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1274		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1275		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1276		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1277		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1278		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1279	};
1280
1281	drm_connector_list_iter_begin(dev, &iter);
1282	drm_for_each_connector_iter(connector, &iter) {
1283		if (connector->encoder == encoder) {
1284			amdgpu_connector = to_amdgpu_connector(connector);
1285			break;
1286		}
1287	}
1288	drm_connector_list_iter_end(&iter);
1289
1290	if (!amdgpu_connector) {
1291		DRM_ERROR("Couldn't find encoder's connector\n");
1292		return;
1293	}
1294
1295	sad_count = drm_edid_to_sad(amdgpu_connector->edid, &sads);
1296	if (sad_count < 0)
1297		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1298	if (sad_count <= 0)
1299		return;
1300
1301	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1302		u32 tmp = 0;
1303		u8 stereo_freqs = 0;
1304		int max_channels = -1;
1305		int j;
1306
1307		for (j = 0; j < sad_count; j++) {
1308			struct cea_sad *sad = &sads[j];
1309
1310			if (sad->format == eld_reg_to_type[i][1]) {
1311				if (sad->channels > max_channels) {
1312					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1313							MAX_CHANNELS, sad->channels);
1314					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1315							DESCRIPTOR_BYTE_2, sad->byte2);
1316					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1317							SUPPORTED_FREQUENCIES, sad->freq);
1318					max_channels = sad->channels;
1319				}
1320
1321				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1322					stereo_freqs |= sad->freq;
1323				else
1324					break;
1325			}
1326		}
1327
1328		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1329				SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1330		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1331	}
1332
1333	kfree(sads);
1334
1335}
1336
1337static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1338				  struct amdgpu_audio_pin *pin,
1339				  bool enable)
1340{
1341	if (!pin)
1342		return;
1343
1344	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1345			enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1346}
1347
1348static const u32 pin_offsets[7] =
1349{
1350	(0x1780 - 0x1780),
1351	(0x1786 - 0x1780),
1352	(0x178c - 0x1780),
1353	(0x1792 - 0x1780),
1354	(0x1798 - 0x1780),
1355	(0x179d - 0x1780),
1356	(0x17a4 - 0x1780),
1357};
1358
1359static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1360{
1361	int i;
1362
1363	if (!amdgpu_audio)
1364		return 0;
1365
1366	adev->mode_info.audio.enabled = true;
1367
1368	switch (adev->asic_type) {
1369	case CHIP_TAHITI:
1370	case CHIP_PITCAIRN:
1371	case CHIP_VERDE:
1372	default:
1373		adev->mode_info.audio.num_pins = 6;
1374		break;
1375	case CHIP_OLAND:
1376		adev->mode_info.audio.num_pins = 2;
1377		break;
1378	}
1379
1380	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1381		adev->mode_info.audio.pin[i].channels = -1;
1382		adev->mode_info.audio.pin[i].rate = -1;
1383		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1384		adev->mode_info.audio.pin[i].status_bits = 0;
1385		adev->mode_info.audio.pin[i].category_code = 0;
1386		adev->mode_info.audio.pin[i].connected = false;
1387		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1388		adev->mode_info.audio.pin[i].id = i;
1389		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1390	}
1391
1392	return 0;
1393}
1394
1395static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1396{
1397	int i;
1398
1399	if (!amdgpu_audio)
1400		return;
1401
1402	if (!adev->mode_info.audio.enabled)
1403		return;
1404
1405	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1406		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1407
1408	adev->mode_info.audio.enabled = false;
1409}
1410
1411static void dce_v6_0_audio_set_vbi_packet(struct drm_encoder *encoder)
1412{
1413	struct drm_device *dev = encoder->dev;
1414	struct amdgpu_device *adev = drm_to_adev(dev);
1415	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1416	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1417	u32 tmp;
1418
1419	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1420	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1421	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1);
1422	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1);
1423	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1424}
1425
1426static void dce_v6_0_audio_set_acr(struct drm_encoder *encoder,
1427				   uint32_t clock, int bpc)
1428{
1429	struct drm_device *dev = encoder->dev;
1430	struct amdgpu_device *adev = drm_to_adev(dev);
1431	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1432	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1433	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1434	u32 tmp;
1435
1436	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1437	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1438	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE,
1439			bpc > 8 ? 0 : 1);
1440	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1441
1442	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1443	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1444	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1445	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1446	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1447	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1448
1449	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1450	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1451	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1452	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1453	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1454	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1455
1456	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1457	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1458	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1459	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1460	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1461	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1462}
1463
1464static void dce_v6_0_audio_set_avi_infoframe(struct drm_encoder *encoder,
1465					       struct drm_display_mode *mode)
1466{
1467	struct drm_device *dev = encoder->dev;
1468	struct amdgpu_device *adev = drm_to_adev(dev);
1469	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1470	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1471	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1472	struct hdmi_avi_infoframe frame;
1473	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1474	uint8_t *payload = buffer + 3;
1475	uint8_t *header = buffer;
1476	ssize_t err;
1477	u32 tmp;
1478
1479	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1480	if (err < 0) {
1481		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1482		return;
1483	}
1484
1485	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1486	if (err < 0) {
1487		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1488		return;
1489	}
1490
1491	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1492	       payload[0x0] | (payload[0x1] << 8) | (payload[0x2] << 16) | (payload[0x3] << 24));
1493	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1494	       payload[0x4] | (payload[0x5] << 8) | (payload[0x6] << 16) | (payload[0x7] << 24));
1495	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1496	       payload[0x8] | (payload[0x9] << 8) | (payload[0xA] << 16) | (payload[0xB] << 24));
1497	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1498	       payload[0xC] | (payload[0xD] << 8) | (header[1] << 24));
1499
1500	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1501	/* anything other than 0 */
1502	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1,
1503			HDMI_AUDIO_INFO_LINE, 2);
1504	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1505}
1506
1507static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1508{
1509	struct drm_device *dev = encoder->dev;
1510	struct amdgpu_device *adev = drm_to_adev(dev);
1511	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1512	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1513	u32 tmp;
1514
1515	/*
1516	 * Two dtos: generally use dto0 for hdmi, dto1 for dp.
1517	 * Express [24MHz / target pixel clock] as an exact rational
1518	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1519	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1520	 */
1521	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1522	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1523			DCCG_AUDIO_DTO0_SOURCE_SEL, amdgpu_crtc->crtc_id);
1524	if (em == ATOM_ENCODER_MODE_HDMI) {
1525		tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1526				DCCG_AUDIO_DTO_SEL, 0);
1527	} else if (ENCODER_MODE_IS_DP(em)) {
1528		tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1529				DCCG_AUDIO_DTO_SEL, 1);
1530	}
1531	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1532	if (em == ATOM_ENCODER_MODE_HDMI) {
1533		WREG32(mmDCCG_AUDIO_DTO0_PHASE, 24000);
1534		WREG32(mmDCCG_AUDIO_DTO0_MODULE, clock);
1535	} else if (ENCODER_MODE_IS_DP(em)) {
1536		WREG32(mmDCCG_AUDIO_DTO1_PHASE, 24000);
1537		WREG32(mmDCCG_AUDIO_DTO1_MODULE, clock);
1538	}
1539}
1540
1541static void dce_v6_0_audio_set_packet(struct drm_encoder *encoder)
1542{
1543	struct drm_device *dev = encoder->dev;
1544	struct amdgpu_device *adev = drm_to_adev(dev);
1545	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1546	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1547	u32 tmp;
1548
1549	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1550	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1551	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1552
1553	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1554	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1555	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1556
1557	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1558	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1559	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1560
1561	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1562	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1563	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1564	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1565	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1566	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1567	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1568	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1569
1570	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset);
1571	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, 0xff);
1572	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, tmp);
1573
1574	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1575	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1576	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1577	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1578
1579	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1580	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_RESET_FIFO_WHEN_AUDIO_DIS, 1);
1581	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1582	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1583}
1584
1585static void dce_v6_0_audio_set_mute(struct drm_encoder *encoder, bool mute)
1586{
1587	struct drm_device *dev = encoder->dev;
1588	struct amdgpu_device *adev = drm_to_adev(dev);
1589	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1590	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1591	u32 tmp;
1592
1593	tmp = RREG32(mmHDMI_GC + dig->afmt->offset);
1594	tmp = REG_SET_FIELD(tmp, HDMI_GC, HDMI_GC_AVMUTE, mute ? 1 : 0);
1595	WREG32(mmHDMI_GC + dig->afmt->offset, tmp);
1596}
1597
1598static void dce_v6_0_audio_hdmi_enable(struct drm_encoder *encoder, bool enable)
1599{
1600	struct drm_device *dev = encoder->dev;
1601	struct amdgpu_device *adev = drm_to_adev(dev);
1602	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1603	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1604	u32 tmp;
1605
1606	if (enable) {
1607		tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1608		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1609		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1610		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1611		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1612		WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1613
1614		tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1615		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1616		WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1617
1618		tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1619		tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1620		WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1621	} else {
1622		tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1623		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 0);
1624		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 0);
1625		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 0);
1626		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 0);
1627		WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1628
1629		tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1630		tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 0);
1631		WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1632	}
1633}
1634
1635static void dce_v6_0_audio_dp_enable(struct drm_encoder *encoder, bool enable)
1636{
1637	struct drm_device *dev = encoder->dev;
1638	struct amdgpu_device *adev = drm_to_adev(dev);
1639	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1640	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1641	u32 tmp;
1642
1643	if (enable) {
1644		tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1645		tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1646		WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1647
1648		tmp = RREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset);
1649		tmp = REG_SET_FIELD(tmp, DP_SEC_TIMESTAMP, DP_SEC_TIMESTAMP_MODE, 1);
1650		WREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset, tmp);
1651
1652		tmp = RREG32(mmDP_SEC_CNTL + dig->afmt->offset);
1653		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1654		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ATP_ENABLE, 1);
1655		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_AIP_ENABLE, 1);
1656		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1657		WREG32(mmDP_SEC_CNTL + dig->afmt->offset, tmp);
1658	} else {
1659		WREG32(mmDP_SEC_CNTL + dig->afmt->offset, 0);
1660	}
1661}
1662
1663static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1664				  struct drm_display_mode *mode)
1665{
1666	struct drm_device *dev = encoder->dev;
1667	struct amdgpu_device *adev = drm_to_adev(dev);
1668	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1669	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1670	struct drm_connector *connector;
1671	struct drm_connector_list_iter iter;
1672	struct amdgpu_connector *amdgpu_connector = NULL;
1673	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1674	int bpc = 8;
1675
1676	if (!dig || !dig->afmt)
1677		return;
1678
1679	drm_connector_list_iter_begin(dev, &iter);
1680	drm_for_each_connector_iter(connector, &iter) {
1681		if (connector->encoder == encoder) {
1682			amdgpu_connector = to_amdgpu_connector(connector);
1683			break;
1684		}
1685	}
1686	drm_connector_list_iter_end(&iter);
1687
1688	if (!amdgpu_connector) {
1689		DRM_ERROR("Couldn't find encoder's connector\n");
1690		return;
1691	}
1692
1693	if (!dig->afmt->enabled)
1694		return;
1695
1696	dig->afmt->pin = dce_v6_0_audio_get_pin(adev);
1697	if (!dig->afmt->pin)
1698		return;
1699
1700	if (encoder->crtc) {
1701		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1702		bpc = amdgpu_crtc->bpc;
1703	}
1704
1705	/* disable audio before setting up hw */
1706	dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1707
1708	dce_v6_0_audio_set_mute(encoder, true);
1709	dce_v6_0_audio_write_speaker_allocation(encoder);
1710	dce_v6_0_audio_write_sad_regs(encoder);
1711	dce_v6_0_audio_write_latency_fields(encoder, mode);
1712	if (em == ATOM_ENCODER_MODE_HDMI) {
1713		dce_v6_0_audio_set_dto(encoder, mode->clock);
1714		dce_v6_0_audio_set_vbi_packet(encoder);
1715		dce_v6_0_audio_set_acr(encoder, mode->clock, bpc);
1716	} else if (ENCODER_MODE_IS_DP(em)) {
1717		dce_v6_0_audio_set_dto(encoder, adev->clock.default_dispclk * 10);
1718	}
1719	dce_v6_0_audio_set_packet(encoder);
1720	dce_v6_0_audio_select_pin(encoder);
1721	dce_v6_0_audio_set_avi_infoframe(encoder, mode);
1722	dce_v6_0_audio_set_mute(encoder, false);
1723	if (em == ATOM_ENCODER_MODE_HDMI) {
1724		dce_v6_0_audio_hdmi_enable(encoder, 1);
1725	} else if (ENCODER_MODE_IS_DP(em)) {
1726		dce_v6_0_audio_dp_enable(encoder, 1);
1727	}
1728
1729	/* enable audio after setting up hw */
1730	dce_v6_0_audio_enable(adev, dig->afmt->pin, true);
1731}
1732
1733static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1734{
1735	struct drm_device *dev = encoder->dev;
1736	struct amdgpu_device *adev = drm_to_adev(dev);
1737	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1738	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1739
1740	if (!dig || !dig->afmt)
1741		return;
1742
1743	/* Silent, r600_hdmi_enable will raise WARN for us */
1744	if (enable && dig->afmt->enabled)
1745		return;
1746
1747	if (!enable && !dig->afmt->enabled)
1748		return;
1749
1750	if (!enable && dig->afmt->pin) {
1751		dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1752		dig->afmt->pin = NULL;
1753	}
1754
1755	dig->afmt->enabled = enable;
1756
1757	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1758		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1759}
1760
1761static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1762{
1763	int i, j;
1764
1765	for (i = 0; i < adev->mode_info.num_dig; i++)
1766		adev->mode_info.afmt[i] = NULL;
1767
1768	/* DCE6 has audio blocks tied to DIG encoders */
1769	for (i = 0; i < adev->mode_info.num_dig; i++) {
1770		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1771		if (adev->mode_info.afmt[i]) {
1772			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1773			adev->mode_info.afmt[i]->id = i;
1774		} else {
1775			for (j = 0; j < i; j++) {
1776				kfree(adev->mode_info.afmt[j]);
1777				adev->mode_info.afmt[j] = NULL;
1778			}
1779			DRM_ERROR("Out of memory allocating afmt table\n");
1780			return -ENOMEM;
1781		}
1782	}
1783	return 0;
1784}
1785
1786static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1787{
1788	int i;
1789
1790	for (i = 0; i < adev->mode_info.num_dig; i++) {
1791		kfree(adev->mode_info.afmt[i]);
1792		adev->mode_info.afmt[i] = NULL;
1793	}
1794}
1795
1796static const u32 vga_control_regs[6] =
1797{
1798	mmD1VGA_CONTROL,
1799	mmD2VGA_CONTROL,
1800	mmD3VGA_CONTROL,
1801	mmD4VGA_CONTROL,
1802	mmD5VGA_CONTROL,
1803	mmD6VGA_CONTROL,
1804};
1805
1806static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1807{
1808	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1809	struct drm_device *dev = crtc->dev;
1810	struct amdgpu_device *adev = drm_to_adev(dev);
1811	u32 vga_control;
1812
1813	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1814	WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1815}
1816
1817static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1818{
1819	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1820	struct drm_device *dev = crtc->dev;
1821	struct amdgpu_device *adev = drm_to_adev(dev);
1822
1823	WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1824}
1825
1826static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1827				     struct drm_framebuffer *fb,
1828				     int x, int y, int atomic)
1829{
1830	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1831	struct drm_device *dev = crtc->dev;
1832	struct amdgpu_device *adev = drm_to_adev(dev);
1833	struct drm_framebuffer *target_fb;
1834	struct drm_gem_object *obj;
1835	struct amdgpu_bo *abo;
1836	uint64_t fb_location, tiling_flags;
1837	uint32_t fb_format, fb_pitch_pixels, pipe_config;
1838	u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1839	u32 viewport_w, viewport_h;
1840	int r;
1841	bool bypass_lut = false;
1842
1843	/* no fb bound */
1844	if (!atomic && !crtc->primary->fb) {
1845		DRM_DEBUG_KMS("No FB bound\n");
1846		return 0;
1847	}
1848
1849	if (atomic)
1850		target_fb = fb;
1851	else
1852		target_fb = crtc->primary->fb;
1853
1854	/* If atomic, assume fb object is pinned & idle & fenced and
1855	 * just update base pointers
1856	 */
1857	obj = target_fb->obj[0];
1858	abo = gem_to_amdgpu_bo(obj);
1859	r = amdgpu_bo_reserve(abo, false);
1860	if (unlikely(r != 0))
1861		return r;
1862
1863	if (!atomic) {
1864		abo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
1865		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1866		if (unlikely(r != 0)) {
1867			amdgpu_bo_unreserve(abo);
1868			return -EINVAL;
1869		}
1870	}
1871	fb_location = amdgpu_bo_gpu_offset(abo);
1872
1873	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1874	amdgpu_bo_unreserve(abo);
1875
1876	switch (target_fb->format->format) {
1877	case DRM_FORMAT_C8:
1878		fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1879			     GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1880		break;
1881	case DRM_FORMAT_XRGB4444:
1882	case DRM_FORMAT_ARGB4444:
1883		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1884			     GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1885#ifdef __BIG_ENDIAN
1886		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1887#endif
1888		break;
1889	case DRM_FORMAT_XRGB1555:
1890	case DRM_FORMAT_ARGB1555:
1891		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1892			     GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1893#ifdef __BIG_ENDIAN
1894		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1895#endif
1896		break;
1897	case DRM_FORMAT_BGRX5551:
1898	case DRM_FORMAT_BGRA5551:
1899		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1900			     GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1901#ifdef __BIG_ENDIAN
1902		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1903#endif
1904		break;
1905	case DRM_FORMAT_RGB565:
1906		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1907			     GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1908#ifdef __BIG_ENDIAN
1909		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1910#endif
1911		break;
1912	case DRM_FORMAT_XRGB8888:
1913	case DRM_FORMAT_ARGB8888:
1914		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1915			     GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1916#ifdef __BIG_ENDIAN
1917		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1918#endif
1919		break;
1920	case DRM_FORMAT_XRGB2101010:
1921	case DRM_FORMAT_ARGB2101010:
1922		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1923			     GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1924#ifdef __BIG_ENDIAN
1925		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1926#endif
1927		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1928		bypass_lut = true;
1929		break;
1930	case DRM_FORMAT_BGRX1010102:
1931	case DRM_FORMAT_BGRA1010102:
1932		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1933			     GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1934#ifdef __BIG_ENDIAN
1935		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1936#endif
1937		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1938		bypass_lut = true;
1939		break;
1940	case DRM_FORMAT_XBGR8888:
1941	case DRM_FORMAT_ABGR8888:
1942		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1943			     GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1944		fb_swap = (GRPH_RED_CROSSBAR(GRPH_RED_SEL_B) |
1945			   GRPH_BLUE_CROSSBAR(GRPH_BLUE_SEL_R));
1946#ifdef __BIG_ENDIAN
1947		fb_swap |= GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1948#endif
1949		break;
1950	default:
1951		DRM_ERROR("Unsupported screen format %p4cc\n",
1952			  &target_fb->format->format);
1953		return -EINVAL;
1954	}
1955
1956	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1957		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1958
1959		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1960		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1961		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1962		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1963		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1964
1965		fb_format |= GRPH_NUM_BANKS(num_banks);
1966		fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1967		fb_format |= GRPH_TILE_SPLIT(tile_split);
1968		fb_format |= GRPH_BANK_WIDTH(bankw);
1969		fb_format |= GRPH_BANK_HEIGHT(bankh);
1970		fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1971	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1972		fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1973	}
1974
1975	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1976	fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1977
1978	dce_v6_0_vga_enable(crtc, false);
1979
1980	/* Make sure surface address is updated at vertical blank rather than
1981	 * horizontal blank
1982	 */
1983	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1984
1985	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1986	       upper_32_bits(fb_location));
1987	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1988	       upper_32_bits(fb_location));
1989	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1990	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1991	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1992	       (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1993	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1994	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1995
1996	/*
1997	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1998	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1999	 * retain the full precision throughout the pipeline.
2000	 */
2001	WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
2002		 (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
2003		 ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
2004
2005	if (bypass_lut)
2006		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2007
2008	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2009	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2010	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2011	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2012	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2013	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2014
2015	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2016	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2017
2018	dce_v6_0_grph_enable(crtc, true);
2019
2020	WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2021		       target_fb->height);
2022	x &= ~3;
2023	y &= ~1;
2024	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2025	       (x << 16) | y);
2026	viewport_w = crtc->mode.hdisplay;
2027	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2028
2029	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2030	       (viewport_w << 16) | viewport_h);
2031
2032	/* set pageflip to happen anywhere in vblank interval */
2033	WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2034
2035	if (!atomic && fb && fb != crtc->primary->fb) {
2036		abo = gem_to_amdgpu_bo(fb->obj[0]);
2037		r = amdgpu_bo_reserve(abo, true);
2038		if (unlikely(r != 0))
2039			return r;
2040		amdgpu_bo_unpin(abo);
2041		amdgpu_bo_unreserve(abo);
2042	}
2043
2044	/* Bytes per pixel may have changed */
2045	dce_v6_0_bandwidth_update(adev);
2046
2047	return 0;
2048
2049}
2050
2051static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
2052				    struct drm_display_mode *mode)
2053{
2054	struct drm_device *dev = crtc->dev;
2055	struct amdgpu_device *adev = drm_to_adev(dev);
2056	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2057
2058	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2059		WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
2060		       INTERLEAVE_EN);
2061	else
2062		WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2063}
2064
2065static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
2066{
2067
2068	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2069	struct drm_device *dev = crtc->dev;
2070	struct amdgpu_device *adev = drm_to_adev(dev);
2071	u16 *r, *g, *b;
2072	int i;
2073
2074	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2075
2076	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2077	       ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2078		(0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2079	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2080	       PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2081	WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2082	       PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2083	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2084	       ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2085		(0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2086
2087	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2088
2089	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2090	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2091	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2092
2093	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2094	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2095	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2096
2097	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2098	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2099
2100	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2101	r = crtc->gamma_store;
2102	g = r + crtc->gamma_size;
2103	b = g + crtc->gamma_size;
2104	for (i = 0; i < 256; i++) {
2105		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2106		       ((*r++ & 0xffc0) << 14) |
2107		       ((*g++ & 0xffc0) << 4) |
2108		       (*b++ >> 6));
2109	}
2110
2111	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2112	       ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2113		(0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2114		ICON_DEGAMMA_MODE(0) |
2115		(0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2116	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2117	       ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2118		(0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2119	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2120	       ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2121		(0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2122	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2123	       ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2124		(0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2125	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2126	WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2127
2128
2129}
2130
2131static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
2132{
2133	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2134	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2135
2136	switch (amdgpu_encoder->encoder_id) {
2137	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2138		return dig->linkb ? 1 : 0;
2139	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2140		return dig->linkb ? 3 : 2;
2141	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2142		return dig->linkb ? 5 : 4;
2143	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2144		return 6;
2145	default:
2146		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2147		return 0;
2148	}
2149}
2150
2151/**
2152 * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
2153 *
2154 * @crtc: drm crtc
2155 *
2156 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2157 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2158 * monitors a dedicated PPLL must be used.  If a particular board has
2159 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2160 * as there is no need to program the PLL itself.  If we are not able to
2161 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2162 * avoid messing up an existing monitor.
2163 *
2164 *
2165 */
2166static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
2167{
2168	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2169	struct drm_device *dev = crtc->dev;
2170	struct amdgpu_device *adev = drm_to_adev(dev);
2171	u32 pll_in_use;
2172	int pll;
2173
2174	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2175		if (adev->clock.dp_extclk)
2176			/* skip PPLL programming if using ext clock */
2177			return ATOM_PPLL_INVALID;
2178		else
2179			return ATOM_PPLL0;
2180	} else {
2181		/* use the same PPLL for all monitors with the same clock */
2182		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2183		if (pll != ATOM_PPLL_INVALID)
2184			return pll;
2185	}
2186
2187	/*  PPLL1, and PPLL2 */
2188	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2189	if (!(pll_in_use & (1 << ATOM_PPLL2)))
2190		return ATOM_PPLL2;
2191	if (!(pll_in_use & (1 << ATOM_PPLL1)))
2192		return ATOM_PPLL1;
2193	DRM_ERROR("unable to allocate a PPLL\n");
2194	return ATOM_PPLL_INVALID;
2195}
2196
2197static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2198{
2199	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2200	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2201	uint32_t cur_lock;
2202
2203	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2204	if (lock)
2205		cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2206	else
2207		cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2208	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2209}
2210
2211static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
2212{
2213	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2214	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2215
2216	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2217	       (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2218	       (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2219
2220
2221}
2222
2223static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
2224{
2225	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2226	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2227
2228	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2229	       upper_32_bits(amdgpu_crtc->cursor_addr));
2230	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2231	       lower_32_bits(amdgpu_crtc->cursor_addr));
2232
2233	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2234	       CUR_CONTROL__CURSOR_EN_MASK |
2235	       (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2236	       (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2237
2238}
2239
2240static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
2241				       int x, int y)
2242{
2243	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2244	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2245	int xorigin = 0, yorigin = 0;
2246
2247	int w = amdgpu_crtc->cursor_width;
2248
2249	amdgpu_crtc->cursor_x = x;
2250	amdgpu_crtc->cursor_y = y;
2251
2252	/* avivo cursor are offset into the total surface */
2253	x += crtc->x;
2254	y += crtc->y;
2255	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2256
2257	if (x < 0) {
2258		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2259		x = 0;
2260	}
2261	if (y < 0) {
2262		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2263		y = 0;
2264	}
2265
2266	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2267	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2268	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2269	       ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2270
2271	return 0;
2272}
2273
2274static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
2275				     int x, int y)
2276{
2277	int ret;
2278
2279	dce_v6_0_lock_cursor(crtc, true);
2280	ret = dce_v6_0_cursor_move_locked(crtc, x, y);
2281	dce_v6_0_lock_cursor(crtc, false);
2282
2283	return ret;
2284}
2285
2286static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
2287				     struct drm_file *file_priv,
2288				     uint32_t handle,
2289				     uint32_t width,
2290				     uint32_t height,
2291				     int32_t hot_x,
2292				     int32_t hot_y)
2293{
2294	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2295	struct drm_gem_object *obj;
2296	struct amdgpu_bo *aobj;
2297	int ret;
2298
2299	if (!handle) {
2300		/* turn off cursor */
2301		dce_v6_0_hide_cursor(crtc);
2302		obj = NULL;
2303		goto unpin;
2304	}
2305
2306	if ((width > amdgpu_crtc->max_cursor_width) ||
2307	    (height > amdgpu_crtc->max_cursor_height)) {
2308		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2309		return -EINVAL;
2310	}
2311
2312	obj = drm_gem_object_lookup(file_priv, handle);
2313	if (!obj) {
2314		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2315		return -ENOENT;
2316	}
2317
2318	aobj = gem_to_amdgpu_bo(obj);
2319	ret = amdgpu_bo_reserve(aobj, false);
2320	if (ret != 0) {
2321		drm_gem_object_put(obj);
2322		return ret;
2323	}
2324
2325	aobj->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
2326	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2327	amdgpu_bo_unreserve(aobj);
2328	if (ret) {
2329		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2330		drm_gem_object_put(obj);
2331		return ret;
2332	}
2333	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2334
2335	dce_v6_0_lock_cursor(crtc, true);
2336
2337	if (width != amdgpu_crtc->cursor_width ||
2338	    height != amdgpu_crtc->cursor_height ||
2339	    hot_x != amdgpu_crtc->cursor_hot_x ||
2340	    hot_y != amdgpu_crtc->cursor_hot_y) {
2341		int x, y;
2342
2343		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2344		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2345
2346		dce_v6_0_cursor_move_locked(crtc, x, y);
2347
2348		amdgpu_crtc->cursor_width = width;
2349		amdgpu_crtc->cursor_height = height;
2350		amdgpu_crtc->cursor_hot_x = hot_x;
2351		amdgpu_crtc->cursor_hot_y = hot_y;
2352	}
2353
2354	dce_v6_0_show_cursor(crtc);
2355	dce_v6_0_lock_cursor(crtc, false);
2356
2357unpin:
2358	if (amdgpu_crtc->cursor_bo) {
2359		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2360		ret = amdgpu_bo_reserve(aobj, true);
2361		if (likely(ret == 0)) {
2362			amdgpu_bo_unpin(aobj);
2363			amdgpu_bo_unreserve(aobj);
2364		}
2365		drm_gem_object_put(amdgpu_crtc->cursor_bo);
2366	}
2367
2368	amdgpu_crtc->cursor_bo = obj;
2369	return 0;
2370}
2371
2372static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
2373{
2374	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2375
2376	if (amdgpu_crtc->cursor_bo) {
2377		dce_v6_0_lock_cursor(crtc, true);
2378
2379		dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2380					    amdgpu_crtc->cursor_y);
2381
2382		dce_v6_0_show_cursor(crtc);
2383		dce_v6_0_lock_cursor(crtc, false);
2384	}
2385}
2386
2387static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2388				   u16 *blue, uint32_t size,
2389				   struct drm_modeset_acquire_ctx *ctx)
2390{
2391	dce_v6_0_crtc_load_lut(crtc);
2392
2393	return 0;
2394}
2395
2396static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2397{
2398	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2399
2400	drm_crtc_cleanup(crtc);
2401	kfree(amdgpu_crtc);
2402}
2403
2404static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2405	.cursor_set2 = dce_v6_0_crtc_cursor_set2,
2406	.cursor_move = dce_v6_0_crtc_cursor_move,
2407	.gamma_set = dce_v6_0_crtc_gamma_set,
2408	.set_config = amdgpu_display_crtc_set_config,
2409	.destroy = dce_v6_0_crtc_destroy,
2410	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2411	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
2412	.enable_vblank = amdgpu_enable_vblank_kms,
2413	.disable_vblank = amdgpu_disable_vblank_kms,
2414	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2415};
2416
2417static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2418{
2419	struct drm_device *dev = crtc->dev;
2420	struct amdgpu_device *adev = drm_to_adev(dev);
2421	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2422	unsigned type;
2423
2424	switch (mode) {
2425	case DRM_MODE_DPMS_ON:
2426		amdgpu_crtc->enabled = true;
2427		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2428		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2429		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2430		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2431						amdgpu_crtc->crtc_id);
2432		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2433		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2434		drm_crtc_vblank_on(crtc);
2435		dce_v6_0_crtc_load_lut(crtc);
2436		break;
2437	case DRM_MODE_DPMS_STANDBY:
2438	case DRM_MODE_DPMS_SUSPEND:
2439	case DRM_MODE_DPMS_OFF:
2440		drm_crtc_vblank_off(crtc);
2441		if (amdgpu_crtc->enabled)
2442			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2443		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2444		amdgpu_crtc->enabled = false;
2445		break;
2446	}
2447	/* adjust pm to dpms */
2448	amdgpu_dpm_compute_clocks(adev);
2449}
2450
2451static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2452{
2453	/* disable crtc pair power gating before programming */
2454	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2455	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2456	dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2457}
2458
2459static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2460{
2461	dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2462	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2463}
2464
2465static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2466{
2467
2468	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2469	struct drm_device *dev = crtc->dev;
2470	struct amdgpu_device *adev = drm_to_adev(dev);
2471	struct amdgpu_atom_ss ss;
2472	int i;
2473
2474	dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2475	if (crtc->primary->fb) {
2476		int r;
2477		struct amdgpu_bo *abo;
2478
2479		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2480		r = amdgpu_bo_reserve(abo, true);
2481		if (unlikely(r))
2482			DRM_ERROR("failed to reserve abo before unpin\n");
2483		else {
2484			amdgpu_bo_unpin(abo);
2485			amdgpu_bo_unreserve(abo);
2486		}
2487	}
2488	/* disable the GRPH */
2489	dce_v6_0_grph_enable(crtc, false);
2490
2491	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2492
2493	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2494		if (adev->mode_info.crtcs[i] &&
2495		    adev->mode_info.crtcs[i]->enabled &&
2496		    i != amdgpu_crtc->crtc_id &&
2497		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2498			/* one other crtc is using this pll don't turn
2499			 * off the pll
2500			 */
2501			goto done;
2502		}
2503	}
2504
2505	switch (amdgpu_crtc->pll_id) {
2506	case ATOM_PPLL1:
2507	case ATOM_PPLL2:
2508		/* disable the ppll */
2509		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2510						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2511		break;
2512	default:
2513		break;
2514	}
2515done:
2516	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2517	amdgpu_crtc->adjusted_clock = 0;
2518	amdgpu_crtc->encoder = NULL;
2519	amdgpu_crtc->connector = NULL;
2520}
2521
2522static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2523				  struct drm_display_mode *mode,
2524				  struct drm_display_mode *adjusted_mode,
2525				  int x, int y, struct drm_framebuffer *old_fb)
2526{
2527	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2528
2529	if (!amdgpu_crtc->adjusted_clock)
2530		return -EINVAL;
2531
2532	amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2533	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2534	dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2535	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2536	amdgpu_atombios_crtc_scaler_setup(crtc);
2537	dce_v6_0_cursor_reset(crtc);
2538	/* update the hw version fpr dpm */
2539	amdgpu_crtc->hw_mode = *adjusted_mode;
2540
2541	return 0;
2542}
2543
2544static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2545				     const struct drm_display_mode *mode,
2546				     struct drm_display_mode *adjusted_mode)
2547{
2548
2549	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2550	struct drm_device *dev = crtc->dev;
2551	struct drm_encoder *encoder;
2552
2553	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2554	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2555		if (encoder->crtc == crtc) {
2556			amdgpu_crtc->encoder = encoder;
2557			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2558			break;
2559		}
2560	}
2561	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2562		amdgpu_crtc->encoder = NULL;
2563		amdgpu_crtc->connector = NULL;
2564		return false;
2565	}
2566	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2567		return false;
2568	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2569		return false;
2570	/* pick pll */
2571	amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2572	/* if we can't get a PPLL for a non-DP encoder, fail */
2573	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2574	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2575		return false;
2576
2577	return true;
2578}
2579
2580static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2581				  struct drm_framebuffer *old_fb)
2582{
2583	return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2584}
2585
2586static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2587					 struct drm_framebuffer *fb,
2588					 int x, int y, enum mode_set_atomic state)
2589{
2590	return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2591}
2592
2593static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2594	.dpms = dce_v6_0_crtc_dpms,
2595	.mode_fixup = dce_v6_0_crtc_mode_fixup,
2596	.mode_set = dce_v6_0_crtc_mode_set,
2597	.mode_set_base = dce_v6_0_crtc_set_base,
2598	.mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2599	.prepare = dce_v6_0_crtc_prepare,
2600	.commit = dce_v6_0_crtc_commit,
2601	.disable = dce_v6_0_crtc_disable,
2602	.get_scanout_position = amdgpu_crtc_get_scanout_position,
2603};
2604
2605static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2606{
2607	struct amdgpu_crtc *amdgpu_crtc;
2608
2609	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2610			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2611	if (amdgpu_crtc == NULL)
2612		return -ENOMEM;
2613
2614	drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2615
2616	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2617	amdgpu_crtc->crtc_id = index;
2618	adev->mode_info.crtcs[index] = amdgpu_crtc;
2619
2620	amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2621	amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2622	adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2623	adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2624
2625	amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2626
2627	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2628	amdgpu_crtc->adjusted_clock = 0;
2629	amdgpu_crtc->encoder = NULL;
2630	amdgpu_crtc->connector = NULL;
2631	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2632
2633	return 0;
2634}
2635
2636static int dce_v6_0_early_init(struct amdgpu_ip_block *ip_block)
2637{
2638	struct amdgpu_device *adev = ip_block->adev;
2639
2640	adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2641	adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2642
2643	dce_v6_0_set_display_funcs(adev);
2644
2645	adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2646
2647	switch (adev->asic_type) {
2648	case CHIP_TAHITI:
2649	case CHIP_PITCAIRN:
2650	case CHIP_VERDE:
2651		adev->mode_info.num_hpd = 6;
2652		adev->mode_info.num_dig = 6;
2653		break;
2654	case CHIP_OLAND:
2655		adev->mode_info.num_hpd = 2;
2656		adev->mode_info.num_dig = 2;
2657		break;
2658	default:
2659		return -EINVAL;
2660	}
2661
2662	dce_v6_0_set_irq_funcs(adev);
2663
2664	return 0;
2665}
2666
2667static int dce_v6_0_sw_init(struct amdgpu_ip_block *ip_block)
2668{
2669	int r, i;
2670	bool ret;
2671	struct amdgpu_device *adev = ip_block->adev;
2672
2673	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2674		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2675		if (r)
2676			return r;
2677	}
2678
2679	for (i = 8; i < 20; i += 2) {
2680		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2681		if (r)
2682			return r;
2683	}
2684
2685	/* HPD hotplug */
2686	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2687	if (r)
2688		return r;
2689
2690	adev->mode_info.mode_config_initialized = true;
2691
2692	adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2693	adev_to_drm(adev)->mode_config.async_page_flip = true;
2694	adev_to_drm(adev)->mode_config.max_width = 16384;
2695	adev_to_drm(adev)->mode_config.max_height = 16384;
2696	adev_to_drm(adev)->mode_config.preferred_depth = 24;
2697	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2698	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2699
2700	r = amdgpu_display_modeset_create_props(adev);
2701	if (r)
2702		return r;
2703
2704	adev_to_drm(adev)->mode_config.max_width = 16384;
2705	adev_to_drm(adev)->mode_config.max_height = 16384;
2706
2707	/* allocate crtcs */
2708	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2709		r = dce_v6_0_crtc_init(adev, i);
2710		if (r)
2711			return r;
2712	}
2713
2714	ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2715	if (ret)
2716		amdgpu_display_print_display_setup(adev_to_drm(adev));
2717	else
2718		return -EINVAL;
2719
2720	/* setup afmt */
2721	r = dce_v6_0_afmt_init(adev);
2722	if (r)
2723		return r;
2724
2725	r = dce_v6_0_audio_init(adev);
2726	if (r)
2727		return r;
2728
2729	/* Disable vblank IRQs aggressively for power-saving */
2730	/* XXX: can this be enabled for DC? */
2731	adev_to_drm(adev)->vblank_disable_immediate = true;
2732
2733	r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2734	if (r)
2735		return r;
2736
2737	/* Pre-DCE11 */
2738	INIT_DELAYED_WORK(&adev->hotplug_work,
2739		  amdgpu_display_hotplug_work_func);
2740
2741	drm_kms_helper_poll_init(adev_to_drm(adev));
2742
2743	return r;
2744}
2745
2746static int dce_v6_0_sw_fini(struct amdgpu_ip_block *ip_block)
2747{
2748	struct amdgpu_device *adev = ip_block->adev;
2749
2750	drm_edid_free(adev->mode_info.bios_hardcoded_edid);
2751
2752	drm_kms_helper_poll_fini(adev_to_drm(adev));
2753
2754	dce_v6_0_audio_fini(adev);
2755	dce_v6_0_afmt_fini(adev);
2756
2757	drm_mode_config_cleanup(adev_to_drm(adev));
2758	adev->mode_info.mode_config_initialized = false;
2759
2760	return 0;
2761}
2762
2763static int dce_v6_0_hw_init(struct amdgpu_ip_block *ip_block)
2764{
2765	int i;
2766	struct amdgpu_device *adev = ip_block->adev;
2767
2768	/* disable vga render */
2769	dce_v6_0_set_vga_render_state(adev, false);
2770	/* init dig PHYs, disp eng pll */
2771	amdgpu_atombios_encoder_init_dig(adev);
2772	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2773
2774	/* initialize hpd */
2775	dce_v6_0_hpd_init(adev);
2776
2777	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2778		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2779	}
2780
2781	dce_v6_0_pageflip_interrupt_init(adev);
2782
2783	return 0;
2784}
2785
2786static int dce_v6_0_hw_fini(struct amdgpu_ip_block *ip_block)
2787{
2788	int i;
2789	struct amdgpu_device *adev = ip_block->adev;
2790
2791	dce_v6_0_hpd_fini(adev);
2792
2793	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2794		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2795	}
2796
2797	dce_v6_0_pageflip_interrupt_fini(adev);
2798
2799	flush_delayed_work(&adev->hotplug_work);
2800
2801	return 0;
2802}
2803
2804static int dce_v6_0_suspend(struct amdgpu_ip_block *ip_block)
2805{
2806	struct amdgpu_device *adev = ip_block->adev;
2807	int r;
2808
2809	r = amdgpu_display_suspend_helper(adev);
2810	if (r)
2811		return r;
2812	adev->mode_info.bl_level =
2813		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2814
2815	return dce_v6_0_hw_fini(ip_block);
2816}
2817
2818static int dce_v6_0_resume(struct amdgpu_ip_block *ip_block)
2819{
2820	struct amdgpu_device *adev = ip_block->adev;
2821	int ret;
2822
2823	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2824							   adev->mode_info.bl_level);
2825
2826	ret = dce_v6_0_hw_init(ip_block);
2827
2828	/* turn on the BL */
2829	if (adev->mode_info.bl_encoder) {
2830		u8 bl_level = amdgpu_display_backlight_get_level(adev,
2831								  adev->mode_info.bl_encoder);
2832		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2833						    bl_level);
2834	}
2835	if (ret)
2836		return ret;
2837
2838	return amdgpu_display_resume_helper(adev);
2839}
2840
2841static bool dce_v6_0_is_idle(void *handle)
2842{
2843	return true;
2844}
2845
2846static int dce_v6_0_soft_reset(struct amdgpu_ip_block *ip_block)
 
 
 
 
 
2847{
2848	DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2849	return 0;
2850}
2851
2852static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2853						     int crtc,
2854						     enum amdgpu_interrupt_state state)
2855{
2856	u32 reg_block, interrupt_mask;
2857
2858	if (crtc >= adev->mode_info.num_crtc) {
2859		DRM_DEBUG("invalid crtc %d\n", crtc);
2860		return;
2861	}
2862
2863	switch (crtc) {
2864	case 0:
2865		reg_block = SI_CRTC0_REGISTER_OFFSET;
2866		break;
2867	case 1:
2868		reg_block = SI_CRTC1_REGISTER_OFFSET;
2869		break;
2870	case 2:
2871		reg_block = SI_CRTC2_REGISTER_OFFSET;
2872		break;
2873	case 3:
2874		reg_block = SI_CRTC3_REGISTER_OFFSET;
2875		break;
2876	case 4:
2877		reg_block = SI_CRTC4_REGISTER_OFFSET;
2878		break;
2879	case 5:
2880		reg_block = SI_CRTC5_REGISTER_OFFSET;
2881		break;
2882	default:
2883		DRM_DEBUG("invalid crtc %d\n", crtc);
2884		return;
2885	}
2886
2887	switch (state) {
2888	case AMDGPU_IRQ_STATE_DISABLE:
2889		interrupt_mask = RREG32(mmINT_MASK + reg_block);
2890		interrupt_mask &= ~VBLANK_INT_MASK;
2891		WREG32(mmINT_MASK + reg_block, interrupt_mask);
2892		break;
2893	case AMDGPU_IRQ_STATE_ENABLE:
2894		interrupt_mask = RREG32(mmINT_MASK + reg_block);
2895		interrupt_mask |= VBLANK_INT_MASK;
2896		WREG32(mmINT_MASK + reg_block, interrupt_mask);
2897		break;
2898	default:
2899		break;
2900	}
2901}
2902
2903static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2904						    int crtc,
2905						    enum amdgpu_interrupt_state state)
2906{
2907
2908}
2909
2910static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2911					    struct amdgpu_irq_src *src,
2912					    unsigned type,
2913					    enum amdgpu_interrupt_state state)
2914{
2915	u32 dc_hpd_int_cntl;
2916
2917	if (type >= adev->mode_info.num_hpd) {
2918		DRM_DEBUG("invalid hdp %d\n", type);
2919		return 0;
2920	}
2921
2922	switch (state) {
2923	case AMDGPU_IRQ_STATE_DISABLE:
2924		dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2925		dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2926		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2927		break;
2928	case AMDGPU_IRQ_STATE_ENABLE:
2929		dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2930		dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2931		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2932		break;
2933	default:
2934		break;
2935	}
2936
2937	return 0;
2938}
2939
2940static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2941					     struct amdgpu_irq_src *src,
2942					     unsigned type,
2943					     enum amdgpu_interrupt_state state)
2944{
2945	switch (type) {
2946	case AMDGPU_CRTC_IRQ_VBLANK1:
2947		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2948		break;
2949	case AMDGPU_CRTC_IRQ_VBLANK2:
2950		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2951		break;
2952	case AMDGPU_CRTC_IRQ_VBLANK3:
2953		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2954		break;
2955	case AMDGPU_CRTC_IRQ_VBLANK4:
2956		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2957		break;
2958	case AMDGPU_CRTC_IRQ_VBLANK5:
2959		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2960		break;
2961	case AMDGPU_CRTC_IRQ_VBLANK6:
2962		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2963		break;
2964	case AMDGPU_CRTC_IRQ_VLINE1:
2965		dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2966		break;
2967	case AMDGPU_CRTC_IRQ_VLINE2:
2968		dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2969		break;
2970	case AMDGPU_CRTC_IRQ_VLINE3:
2971		dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2972		break;
2973	case AMDGPU_CRTC_IRQ_VLINE4:
2974		dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2975		break;
2976	case AMDGPU_CRTC_IRQ_VLINE5:
2977		dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2978		break;
2979	case AMDGPU_CRTC_IRQ_VLINE6:
2980		dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2981		break;
2982	default:
2983		break;
2984	}
2985	return 0;
2986}
2987
2988static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2989			     struct amdgpu_irq_src *source,
2990			     struct amdgpu_iv_entry *entry)
2991{
2992	unsigned crtc = entry->src_id - 1;
2993	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2994	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
2995								    crtc);
2996
2997	switch (entry->src_data[0]) {
2998	case 0: /* vblank */
2999		if (disp_int & interrupt_status_offsets[crtc].vblank)
3000			WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
3001		else
3002			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3003
3004		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3005			drm_handle_vblank(adev_to_drm(adev), crtc);
3006		}
3007		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3008		break;
3009	case 1: /* vline */
3010		if (disp_int & interrupt_status_offsets[crtc].vline)
3011			WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
3012		else
3013			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3014
3015		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3016		break;
3017	default:
3018		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3019		break;
3020	}
3021
3022	return 0;
3023}
3024
3025static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
3026						 struct amdgpu_irq_src *src,
3027						 unsigned type,
3028						 enum amdgpu_interrupt_state state)
3029{
3030	u32 reg;
3031
3032	if (type >= adev->mode_info.num_crtc) {
3033		DRM_ERROR("invalid pageflip crtc %d\n", type);
3034		return -EINVAL;
3035	}
3036
3037	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3038	if (state == AMDGPU_IRQ_STATE_DISABLE)
3039		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3040		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3041	else
3042		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3043		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3044
3045	return 0;
3046}
3047
3048static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
3049				 struct amdgpu_irq_src *source,
3050				 struct amdgpu_iv_entry *entry)
3051{
3052	unsigned long flags;
3053	unsigned crtc_id;
3054	struct amdgpu_crtc *amdgpu_crtc;
3055	struct amdgpu_flip_work *works;
3056
3057	crtc_id = (entry->src_id - 8) >> 1;
3058	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3059
3060	if (crtc_id >= adev->mode_info.num_crtc) {
3061		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3062		return -EINVAL;
3063	}
3064
3065	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3066	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3067		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3068		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3069
3070	/* IRQ could occur when in initial stage */
3071	if (amdgpu_crtc == NULL)
3072		return 0;
3073
3074	spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3075	works = amdgpu_crtc->pflip_works;
3076	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3077		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3078						"AMDGPU_FLIP_SUBMITTED(%d)\n",
3079						amdgpu_crtc->pflip_status,
3080						AMDGPU_FLIP_SUBMITTED);
3081		spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3082		return 0;
3083	}
3084
3085	/* page flip completed. clean up */
3086	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3087	amdgpu_crtc->pflip_works = NULL;
3088
3089	/* wakeup usersapce */
3090	if (works->event)
3091		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3092
3093	spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3094
3095	drm_crtc_vblank_put(&amdgpu_crtc->base);
3096	schedule_work(&works->unpin_work);
3097
3098	return 0;
3099}
3100
3101static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
3102			    struct amdgpu_irq_src *source,
3103			    struct amdgpu_iv_entry *entry)
3104{
3105	uint32_t disp_int, mask;
3106	unsigned hpd;
3107
3108	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3109		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3110		return 0;
3111	}
3112
3113	hpd = entry->src_data[0];
3114	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3115	mask = interrupt_status_offsets[hpd].hpd;
3116
3117	if (disp_int & mask) {
3118		dce_v6_0_hpd_int_ack(adev, hpd);
3119		schedule_delayed_work(&adev->hotplug_work, 0);
3120		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3121	}
3122
3123	return 0;
3124
3125}
3126
3127static int dce_v6_0_set_clockgating_state(void *handle,
3128					  enum amd_clockgating_state state)
3129{
3130	return 0;
3131}
3132
3133static int dce_v6_0_set_powergating_state(void *handle,
3134					  enum amd_powergating_state state)
3135{
3136	return 0;
3137}
3138
3139static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
3140	.name = "dce_v6_0",
3141	.early_init = dce_v6_0_early_init,
 
3142	.sw_init = dce_v6_0_sw_init,
3143	.sw_fini = dce_v6_0_sw_fini,
3144	.hw_init = dce_v6_0_hw_init,
3145	.hw_fini = dce_v6_0_hw_fini,
3146	.suspend = dce_v6_0_suspend,
3147	.resume = dce_v6_0_resume,
3148	.is_idle = dce_v6_0_is_idle,
 
3149	.soft_reset = dce_v6_0_soft_reset,
3150	.set_clockgating_state = dce_v6_0_set_clockgating_state,
3151	.set_powergating_state = dce_v6_0_set_powergating_state,
3152};
3153
3154static void
3155dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
3156			  struct drm_display_mode *mode,
3157			  struct drm_display_mode *adjusted_mode)
3158{
3159
3160	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3161	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3162
3163	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3164
3165	/* need to call this here rather than in prepare() since we need some crtc info */
3166	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3167
3168	/* set scaler clears this on some chips */
3169	dce_v6_0_set_interleave(encoder->crtc, mode);
3170
3171	if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em)) {
3172		dce_v6_0_afmt_enable(encoder, true);
3173		dce_v6_0_afmt_setmode(encoder, adjusted_mode);
3174	}
3175}
3176
3177static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
3178{
3179
3180	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3181	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3182	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3183
3184	if ((amdgpu_encoder->active_device &
3185	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3186	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3187	     ENCODER_OBJECT_ID_NONE)) {
3188		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3189		if (dig) {
3190			dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
3191			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3192				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3193		}
3194	}
3195
3196	amdgpu_atombios_scratch_regs_lock(adev, true);
3197
3198	if (connector) {
3199		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3200
3201		/* select the clock/data port if it uses a router */
3202		if (amdgpu_connector->router.cd_valid)
3203			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3204
3205		/* turn eDP panel on for mode set */
3206		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3207			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3208							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3209	}
3210
3211	/* this is needed for the pll/ss setup to work correctly in some cases */
3212	amdgpu_atombios_encoder_set_crtc_source(encoder);
3213	/* set up the FMT blocks */
3214	dce_v6_0_program_fmt(encoder);
3215}
3216
3217static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
3218{
3219
3220	struct drm_device *dev = encoder->dev;
3221	struct amdgpu_device *adev = drm_to_adev(dev);
3222
3223	/* need to call this here as we need the crtc set up */
3224	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3225	amdgpu_atombios_scratch_regs_lock(adev, false);
3226}
3227
3228static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
3229{
3230
3231	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3232	struct amdgpu_encoder_atom_dig *dig;
3233	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3234
3235	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3236
3237	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3238		if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em))
3239			dce_v6_0_afmt_enable(encoder, false);
3240		dig = amdgpu_encoder->enc_priv;
3241		dig->dig_encoder = -1;
3242	}
3243	amdgpu_encoder->active_device = 0;
3244}
3245
3246/* these are handled by the primary encoders */
3247static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
3248{
3249
3250}
3251
3252static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
3253{
3254
3255}
3256
3257static void
3258dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
3259		      struct drm_display_mode *mode,
3260		      struct drm_display_mode *adjusted_mode)
3261{
3262
3263}
3264
3265static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
3266{
3267
3268}
3269
3270static void
3271dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
3272{
3273
3274}
3275
3276static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
3277				    const struct drm_display_mode *mode,
3278				    struct drm_display_mode *adjusted_mode)
3279{
3280	return true;
3281}
3282
3283static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
3284	.dpms = dce_v6_0_ext_dpms,
3285	.mode_fixup = dce_v6_0_ext_mode_fixup,
3286	.prepare = dce_v6_0_ext_prepare,
3287	.mode_set = dce_v6_0_ext_mode_set,
3288	.commit = dce_v6_0_ext_commit,
3289	.disable = dce_v6_0_ext_disable,
3290	/* no detect for TMDS/LVDS yet */
3291};
3292
3293static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
3294	.dpms = amdgpu_atombios_encoder_dpms,
3295	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3296	.prepare = dce_v6_0_encoder_prepare,
3297	.mode_set = dce_v6_0_encoder_mode_set,
3298	.commit = dce_v6_0_encoder_commit,
3299	.disable = dce_v6_0_encoder_disable,
3300	.detect = amdgpu_atombios_encoder_dig_detect,
3301};
3302
3303static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
3304	.dpms = amdgpu_atombios_encoder_dpms,
3305	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3306	.prepare = dce_v6_0_encoder_prepare,
3307	.mode_set = dce_v6_0_encoder_mode_set,
3308	.commit = dce_v6_0_encoder_commit,
3309	.detect = amdgpu_atombios_encoder_dac_detect,
3310};
3311
3312static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
3313{
3314	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3315	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3316		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3317	kfree(amdgpu_encoder->enc_priv);
3318	drm_encoder_cleanup(encoder);
3319	kfree(amdgpu_encoder);
3320}
3321
3322static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
3323	.destroy = dce_v6_0_encoder_destroy,
3324};
3325
3326static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
3327				 uint32_t encoder_enum,
3328				 uint32_t supported_device,
3329				 u16 caps)
3330{
3331	struct drm_device *dev = adev_to_drm(adev);
3332	struct drm_encoder *encoder;
3333	struct amdgpu_encoder *amdgpu_encoder;
3334
3335	/* see if we already added it */
3336	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3337		amdgpu_encoder = to_amdgpu_encoder(encoder);
3338		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3339			amdgpu_encoder->devices |= supported_device;
3340			return;
3341		}
3342
3343	}
3344
3345	/* add a new one */
3346	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3347	if (!amdgpu_encoder)
3348		return;
3349
3350	encoder = &amdgpu_encoder->base;
3351	switch (adev->mode_info.num_crtc) {
3352	case 1:
3353		encoder->possible_crtcs = 0x1;
3354		break;
3355	case 2:
3356	default:
3357		encoder->possible_crtcs = 0x3;
3358		break;
3359	case 4:
3360		encoder->possible_crtcs = 0xf;
3361		break;
3362	case 6:
3363		encoder->possible_crtcs = 0x3f;
3364		break;
3365	}
3366
3367	amdgpu_encoder->enc_priv = NULL;
3368	amdgpu_encoder->encoder_enum = encoder_enum;
3369	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3370	amdgpu_encoder->devices = supported_device;
3371	amdgpu_encoder->rmx_type = RMX_OFF;
3372	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3373	amdgpu_encoder->is_ext_encoder = false;
3374	amdgpu_encoder->caps = caps;
3375
3376	switch (amdgpu_encoder->encoder_id) {
3377	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3378	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3379		drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3380				 DRM_MODE_ENCODER_DAC, NULL);
3381		drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
3382		break;
3383	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3384	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3385	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3386	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3387	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3388		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3389			amdgpu_encoder->rmx_type = RMX_FULL;
3390			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3391					 DRM_MODE_ENCODER_LVDS, NULL);
3392			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3393		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3394			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3395					 DRM_MODE_ENCODER_DAC, NULL);
3396			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3397		} else {
3398			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3399					 DRM_MODE_ENCODER_TMDS, NULL);
3400			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3401		}
3402		drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3403		break;
3404	case ENCODER_OBJECT_ID_SI170B:
3405	case ENCODER_OBJECT_ID_CH7303:
3406	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3407	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3408	case ENCODER_OBJECT_ID_TITFP513:
3409	case ENCODER_OBJECT_ID_VT1623:
3410	case ENCODER_OBJECT_ID_HDMI_SI1930:
3411	case ENCODER_OBJECT_ID_TRAVIS:
3412	case ENCODER_OBJECT_ID_NUTMEG:
3413		/* these are handled by the primary encoders */
3414		amdgpu_encoder->is_ext_encoder = true;
3415		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3416			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3417					 DRM_MODE_ENCODER_LVDS, NULL);
3418		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3419			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3420					 DRM_MODE_ENCODER_DAC, NULL);
3421		else
3422			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3423					 DRM_MODE_ENCODER_TMDS, NULL);
3424		drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3425		break;
3426	}
3427}
3428
3429static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3430	.bandwidth_update = &dce_v6_0_bandwidth_update,
3431	.vblank_get_counter = &dce_v6_0_vblank_get_counter,
3432	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3433	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3434	.hpd_sense = &dce_v6_0_hpd_sense,
3435	.hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3436	.hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3437	.page_flip = &dce_v6_0_page_flip,
3438	.page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3439	.add_encoder = &dce_v6_0_encoder_add,
3440	.add_connector = &amdgpu_connector_add,
3441};
3442
3443static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3444{
3445	adev->mode_info.funcs = &dce_v6_0_display_funcs;
3446}
3447
3448static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3449	.set = dce_v6_0_set_crtc_interrupt_state,
3450	.process = dce_v6_0_crtc_irq,
3451};
3452
3453static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3454	.set = dce_v6_0_set_pageflip_interrupt_state,
3455	.process = dce_v6_0_pageflip_irq,
3456};
3457
3458static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3459	.set = dce_v6_0_set_hpd_interrupt_state,
3460	.process = dce_v6_0_hpd_irq,
3461};
3462
3463static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3464{
3465	if (adev->mode_info.num_crtc > 0)
3466		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3467	else
3468		adev->crtc_irq.num_types = 0;
3469	adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3470
3471	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3472	adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3473
3474	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3475	adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3476}
3477
3478const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3479{
3480	.type = AMD_IP_BLOCK_TYPE_DCE,
3481	.major = 6,
3482	.minor = 0,
3483	.rev = 0,
3484	.funcs = &dce_v6_0_ip_funcs,
3485};
3486
3487const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3488{
3489	.type = AMD_IP_BLOCK_TYPE_DCE,
3490	.major = 6,
3491	.minor = 4,
3492	.rev = 0,
3493	.funcs = &dce_v6_0_ip_funcs,
3494};