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   1/*
   2 * Copyright 2014 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 <drm/drm_edid.h>
  25#include <drm/drm_fourcc.h>
  26#include <drm/drm_modeset_helper.h>
  27#include <drm/drm_modeset_helper_vtables.h>
  28#include <drm/drm_vblank.h>
  29
  30#include "amdgpu.h"
  31#include "amdgpu_pm.h"
  32#include "amdgpu_i2c.h"
  33#include "cikd.h"
  34#include "atom.h"
  35#include "amdgpu_atombios.h"
  36#include "atombios_crtc.h"
  37#include "atombios_encoders.h"
  38#include "amdgpu_pll.h"
  39#include "amdgpu_connectors.h"
  40#include "amdgpu_display.h"
  41#include "dce_v8_0.h"
  42
  43#include "dce/dce_8_0_d.h"
  44#include "dce/dce_8_0_sh_mask.h"
  45
  46#include "gca/gfx_7_2_enum.h"
  47
  48#include "gmc/gmc_7_1_d.h"
  49#include "gmc/gmc_7_1_sh_mask.h"
  50
  51#include "oss/oss_2_0_d.h"
  52#include "oss/oss_2_0_sh_mask.h"
  53
  54static void dce_v8_0_set_display_funcs(struct amdgpu_device *adev);
  55static void dce_v8_0_set_irq_funcs(struct amdgpu_device *adev);
  56
  57static const u32 crtc_offsets[6] = {
  58	CRTC0_REGISTER_OFFSET,
  59	CRTC1_REGISTER_OFFSET,
  60	CRTC2_REGISTER_OFFSET,
  61	CRTC3_REGISTER_OFFSET,
  62	CRTC4_REGISTER_OFFSET,
  63	CRTC5_REGISTER_OFFSET
  64};
  65
  66static const u32 hpd_offsets[] = {
  67	HPD0_REGISTER_OFFSET,
  68	HPD1_REGISTER_OFFSET,
  69	HPD2_REGISTER_OFFSET,
  70	HPD3_REGISTER_OFFSET,
  71	HPD4_REGISTER_OFFSET,
  72	HPD5_REGISTER_OFFSET
  73};
  74
  75static const uint32_t dig_offsets[] = {
  76	CRTC0_REGISTER_OFFSET,
  77	CRTC1_REGISTER_OFFSET,
  78	CRTC2_REGISTER_OFFSET,
  79	CRTC3_REGISTER_OFFSET,
  80	CRTC4_REGISTER_OFFSET,
  81	CRTC5_REGISTER_OFFSET,
  82	(0x13830 - 0x7030) >> 2,
  83};
  84
  85static const struct {
  86	uint32_t	reg;
  87	uint32_t	vblank;
  88	uint32_t	vline;
  89	uint32_t	hpd;
  90
  91} interrupt_status_offsets[6] = { {
  92	.reg = mmDISP_INTERRUPT_STATUS,
  93	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  94	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
  95	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
  96}, {
  97	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
  98	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
  99	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
 100	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
 101}, {
 102	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
 103	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
 104	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
 105	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 106}, {
 107	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 108	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 109	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 110	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 111}, {
 112	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 113	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 114	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 115	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 116}, {
 117	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 118	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 119	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 120	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 121} };
 122
 123static u32 dce_v8_0_audio_endpt_rreg(struct amdgpu_device *adev,
 124				     u32 block_offset, u32 reg)
 125{
 126	unsigned long flags;
 127	u32 r;
 128
 129	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 130	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 131	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 132	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 133
 134	return r;
 135}
 136
 137static void dce_v8_0_audio_endpt_wreg(struct amdgpu_device *adev,
 138				      u32 block_offset, u32 reg, u32 v)
 139{
 140	unsigned long flags;
 141
 142	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 143	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 144	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 145	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 146}
 147
 148static u32 dce_v8_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 149{
 150	if (crtc >= adev->mode_info.num_crtc)
 151		return 0;
 152	else
 153		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 154}
 155
 156static void dce_v8_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 157{
 158	unsigned i;
 159
 160	/* Enable pflip interrupts */
 161	for (i = 0; i < adev->mode_info.num_crtc; i++)
 162		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 163}
 164
 165static void dce_v8_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 166{
 167	unsigned i;
 168
 169	/* Disable pflip interrupts */
 170	for (i = 0; i < adev->mode_info.num_crtc; i++)
 171		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 172}
 173
 174/**
 175 * dce_v8_0_page_flip - pageflip callback.
 176 *
 177 * @adev: amdgpu_device pointer
 178 * @crtc_id: crtc to cleanup pageflip on
 179 * @crtc_base: new address of the crtc (GPU MC address)
 180 * @async: asynchronous flip
 181 *
 182 * Triggers the actual pageflip by updating the primary
 183 * surface base address.
 184 */
 185static void dce_v8_0_page_flip(struct amdgpu_device *adev,
 186			       int crtc_id, u64 crtc_base, bool async)
 187{
 188	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 189	struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
 190
 191	/* flip at hsync for async, default is vsync */
 192	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
 193	       GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
 194	/* update pitch */
 195	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
 196	       fb->pitches[0] / fb->format->cpp[0]);
 197	/* update the primary scanout addresses */
 198	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 199	       upper_32_bits(crtc_base));
 200	/* writing to the low address triggers the update */
 201	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 202	       lower_32_bits(crtc_base));
 203	/* post the write */
 204	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 205}
 206
 207static int dce_v8_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 208					u32 *vbl, u32 *position)
 209{
 210	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 211		return -EINVAL;
 212
 213	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 214	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 215
 216	return 0;
 217}
 218
 219/**
 220 * dce_v8_0_hpd_sense - hpd sense callback.
 221 *
 222 * @adev: amdgpu_device pointer
 223 * @hpd: hpd (hotplug detect) pin
 224 *
 225 * Checks if a digital monitor is connected (evergreen+).
 226 * Returns true if connected, false if not connected.
 227 */
 228static bool dce_v8_0_hpd_sense(struct amdgpu_device *adev,
 229			       enum amdgpu_hpd_id hpd)
 230{
 231	bool connected = false;
 232
 233	if (hpd >= adev->mode_info.num_hpd)
 234		return connected;
 235
 236	if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) &
 237	    DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
 238		connected = true;
 239
 240	return connected;
 241}
 242
 243/**
 244 * dce_v8_0_hpd_set_polarity - hpd set polarity callback.
 245 *
 246 * @adev: amdgpu_device pointer
 247 * @hpd: hpd (hotplug detect) pin
 248 *
 249 * Set the polarity of the hpd pin (evergreen+).
 250 */
 251static void dce_v8_0_hpd_set_polarity(struct amdgpu_device *adev,
 252				      enum amdgpu_hpd_id hpd)
 253{
 254	u32 tmp;
 255	bool connected = dce_v8_0_hpd_sense(adev, hpd);
 256
 257	if (hpd >= adev->mode_info.num_hpd)
 258		return;
 259
 260	tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
 261	if (connected)
 262		tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
 263	else
 264		tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
 265	WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
 266}
 267
 268/**
 269 * dce_v8_0_hpd_init - hpd setup callback.
 270 *
 271 * @adev: amdgpu_device pointer
 272 *
 273 * Setup the hpd pins used by the card (evergreen+).
 274 * Enable the pin, set the polarity, and enable the hpd interrupts.
 275 */
 276static void dce_v8_0_hpd_init(struct amdgpu_device *adev)
 277{
 278	struct drm_device *dev = adev_to_drm(adev);
 279	struct drm_connector *connector;
 280	struct drm_connector_list_iter iter;
 281	u32 tmp;
 282
 283	drm_connector_list_iter_begin(dev, &iter);
 284	drm_for_each_connector_iter(connector, &iter) {
 285		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 286
 287		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 288			continue;
 289
 290		tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 291		tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
 292		WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 293
 294		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 295		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 296			/* don't try to enable hpd on eDP or LVDS avoid breaking the
 297			 * aux dp channel on imac and help (but not completely fix)
 298			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 299			 * also avoid interrupt storms during dpms.
 300			 */
 301			tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 302			tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
 303			WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 304			continue;
 305		}
 306
 307		dce_v8_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 308		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 309	}
 310	drm_connector_list_iter_end(&iter);
 311}
 312
 313/**
 314 * dce_v8_0_hpd_fini - hpd tear down callback.
 315 *
 316 * @adev: amdgpu_device pointer
 317 *
 318 * Tear down the hpd pins used by the card (evergreen+).
 319 * Disable the hpd interrupts.
 320 */
 321static void dce_v8_0_hpd_fini(struct amdgpu_device *adev)
 322{
 323	struct drm_device *dev = adev_to_drm(adev);
 324	struct drm_connector *connector;
 325	struct drm_connector_list_iter iter;
 326	u32 tmp;
 327
 328	drm_connector_list_iter_begin(dev, &iter);
 329	drm_for_each_connector_iter(connector, &iter) {
 330		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 331
 332		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 333			continue;
 334
 335		tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 336		tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
 337		WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 338
 339		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 340	}
 341	drm_connector_list_iter_end(&iter);
 342}
 343
 344static u32 dce_v8_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 345{
 346	return mmDC_GPIO_HPD_A;
 347}
 348
 349static bool dce_v8_0_is_display_hung(struct amdgpu_device *adev)
 350{
 351	u32 crtc_hung = 0;
 352	u32 crtc_status[6];
 353	u32 i, j, tmp;
 354
 355	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 356		if (RREG32(mmCRTC_CONTROL + crtc_offsets[i]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK) {
 357			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 358			crtc_hung |= (1 << i);
 359		}
 360	}
 361
 362	for (j = 0; j < 10; j++) {
 363		for (i = 0; i < adev->mode_info.num_crtc; i++) {
 364			if (crtc_hung & (1 << i)) {
 365				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 366				if (tmp != crtc_status[i])
 367					crtc_hung &= ~(1 << i);
 368			}
 369		}
 370		if (crtc_hung == 0)
 371			return false;
 372		udelay(100);
 373	}
 374
 375	return true;
 376}
 377
 378static void dce_v8_0_set_vga_render_state(struct amdgpu_device *adev,
 379					  bool render)
 380{
 381	u32 tmp;
 382
 383	/* Lockout access through VGA aperture*/
 384	tmp = RREG32(mmVGA_HDP_CONTROL);
 385	if (render)
 386		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 387	else
 388		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 389	WREG32(mmVGA_HDP_CONTROL, tmp);
 390
 391	/* disable VGA render */
 392	tmp = RREG32(mmVGA_RENDER_CONTROL);
 393	if (render)
 394		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 395	else
 396		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 397	WREG32(mmVGA_RENDER_CONTROL, tmp);
 398}
 399
 400static int dce_v8_0_get_num_crtc(struct amdgpu_device *adev)
 401{
 402	int num_crtc = 0;
 403
 404	switch (adev->asic_type) {
 405	case CHIP_BONAIRE:
 406	case CHIP_HAWAII:
 407		num_crtc = 6;
 408		break;
 409	case CHIP_KAVERI:
 410		num_crtc = 4;
 411		break;
 412	case CHIP_KABINI:
 413	case CHIP_MULLINS:
 414		num_crtc = 2;
 415		break;
 416	default:
 417		num_crtc = 0;
 418	}
 419	return num_crtc;
 420}
 421
 422void dce_v8_0_disable_dce(struct amdgpu_device *adev)
 423{
 424	/*Disable VGA render and enabled crtc, if has DCE engine*/
 425	if (amdgpu_atombios_has_dce_engine_info(adev)) {
 426		u32 tmp;
 427		int crtc_enabled, i;
 428
 429		dce_v8_0_set_vga_render_state(adev, false);
 430
 431		/*Disable crtc*/
 432		for (i = 0; i < dce_v8_0_get_num_crtc(adev); i++) {
 433			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 434									 CRTC_CONTROL, CRTC_MASTER_EN);
 435			if (crtc_enabled) {
 436				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 437				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 438				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 439				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 440				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 441			}
 442		}
 443	}
 444}
 445
 446static void dce_v8_0_program_fmt(struct drm_encoder *encoder)
 447{
 448	struct drm_device *dev = encoder->dev;
 449	struct amdgpu_device *adev = drm_to_adev(dev);
 450	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 451	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 452	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 453	int bpc = 0;
 454	u32 tmp = 0;
 455	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 456
 457	if (connector) {
 458		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 459		bpc = amdgpu_connector_get_monitor_bpc(connector);
 460		dither = amdgpu_connector->dither;
 461	}
 462
 463	/* LVDS/eDP FMT is set up by atom */
 464	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 465		return;
 466
 467	/* not needed for analog */
 468	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 469	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 470		return;
 471
 472	if (bpc == 0)
 473		return;
 474
 475	switch (bpc) {
 476	case 6:
 477		if (dither == AMDGPU_FMT_DITHER_ENABLE)
 478			/* XXX sort out optimal dither settings */
 479			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
 480				FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
 481				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
 482				(0 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
 483		else
 484			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
 485			(0 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
 486		break;
 487	case 8:
 488		if (dither == AMDGPU_FMT_DITHER_ENABLE)
 489			/* XXX sort out optimal dither settings */
 490			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
 491				FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
 492				FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
 493				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
 494				(1 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
 495		else
 496			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
 497			(1 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
 498		break;
 499	case 10:
 500		if (dither == AMDGPU_FMT_DITHER_ENABLE)
 501			/* XXX sort out optimal dither settings */
 502			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
 503				FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
 504				FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
 505				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
 506				(2 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
 507		else
 508			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
 509			(2 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
 510		break;
 511	default:
 512		/* not needed */
 513		break;
 514	}
 515
 516	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 517}
 518
 519
 520/* display watermark setup */
 521/**
 522 * dce_v8_0_line_buffer_adjust - Set up the line buffer
 523 *
 524 * @adev: amdgpu_device pointer
 525 * @amdgpu_crtc: the selected display controller
 526 * @mode: the current display mode on the selected display
 527 * controller
 528 *
 529 * Setup up the line buffer allocation for
 530 * the selected display controller (CIK).
 531 * Returns the line buffer size in pixels.
 532 */
 533static u32 dce_v8_0_line_buffer_adjust(struct amdgpu_device *adev,
 534				       struct amdgpu_crtc *amdgpu_crtc,
 535				       struct drm_display_mode *mode)
 536{
 537	u32 tmp, buffer_alloc, i;
 538	u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
 539	/*
 540	 * Line Buffer Setup
 541	 * There are 6 line buffers, one for each display controllers.
 542	 * There are 3 partitions per LB. Select the number of partitions
 543	 * to enable based on the display width.  For display widths larger
 544	 * than 4096, you need use to use 2 display controllers and combine
 545	 * them using the stereo blender.
 546	 */
 547	if (amdgpu_crtc->base.enabled && mode) {
 548		if (mode->crtc_hdisplay < 1920) {
 549			tmp = 1;
 550			buffer_alloc = 2;
 551		} else if (mode->crtc_hdisplay < 2560) {
 552			tmp = 2;
 553			buffer_alloc = 2;
 554		} else if (mode->crtc_hdisplay < 4096) {
 555			tmp = 0;
 556			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 557		} else {
 558			DRM_DEBUG_KMS("Mode too big for LB!\n");
 559			tmp = 0;
 560			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 561		}
 562	} else {
 563		tmp = 1;
 564		buffer_alloc = 0;
 565	}
 566
 567	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset,
 568	      (tmp << LB_MEMORY_CTRL__LB_MEMORY_CONFIG__SHIFT) |
 569	      (0x6B0 << LB_MEMORY_CTRL__LB_MEMORY_SIZE__SHIFT));
 570
 571	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
 572	       (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
 573	for (i = 0; i < adev->usec_timeout; i++) {
 574		if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
 575		    PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
 576			break;
 577		udelay(1);
 578	}
 579
 580	if (amdgpu_crtc->base.enabled && mode) {
 581		switch (tmp) {
 582		case 0:
 583		default:
 584			return 4096 * 2;
 585		case 1:
 586			return 1920 * 2;
 587		case 2:
 588			return 2560 * 2;
 589		}
 590	}
 591
 592	/* controller not enabled, so no lb used */
 593	return 0;
 594}
 595
 596/**
 597 * cik_get_number_of_dram_channels - get the number of dram channels
 598 *
 599 * @adev: amdgpu_device pointer
 600 *
 601 * Look up the number of video ram channels (CIK).
 602 * Used for display watermark bandwidth calculations
 603 * Returns the number of dram channels
 604 */
 605static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 606{
 607	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 608
 609	switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
 610	case 0:
 611	default:
 612		return 1;
 613	case 1:
 614		return 2;
 615	case 2:
 616		return 4;
 617	case 3:
 618		return 8;
 619	case 4:
 620		return 3;
 621	case 5:
 622		return 6;
 623	case 6:
 624		return 10;
 625	case 7:
 626		return 12;
 627	case 8:
 628		return 16;
 629	}
 630}
 631
 632struct dce8_wm_params {
 633	u32 dram_channels; /* number of dram channels */
 634	u32 yclk;          /* bandwidth per dram data pin in kHz */
 635	u32 sclk;          /* engine clock in kHz */
 636	u32 disp_clk;      /* display clock in kHz */
 637	u32 src_width;     /* viewport width */
 638	u32 active_time;   /* active display time in ns */
 639	u32 blank_time;    /* blank time in ns */
 640	bool interlaced;    /* mode is interlaced */
 641	fixed20_12 vsc;    /* vertical scale ratio */
 642	u32 num_heads;     /* number of active crtcs */
 643	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 644	u32 lb_size;       /* line buffer allocated to pipe */
 645	u32 vtaps;         /* vertical scaler taps */
 646};
 647
 648/**
 649 * dce_v8_0_dram_bandwidth - get the dram bandwidth
 650 *
 651 * @wm: watermark calculation data
 652 *
 653 * Calculate the raw dram bandwidth (CIK).
 654 * Used for display watermark bandwidth calculations
 655 * Returns the dram bandwidth in MBytes/s
 656 */
 657static u32 dce_v8_0_dram_bandwidth(struct dce8_wm_params *wm)
 658{
 659	/* Calculate raw DRAM Bandwidth */
 660	fixed20_12 dram_efficiency; /* 0.7 */
 661	fixed20_12 yclk, dram_channels, bandwidth;
 662	fixed20_12 a;
 663
 664	a.full = dfixed_const(1000);
 665	yclk.full = dfixed_const(wm->yclk);
 666	yclk.full = dfixed_div(yclk, a);
 667	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 668	a.full = dfixed_const(10);
 669	dram_efficiency.full = dfixed_const(7);
 670	dram_efficiency.full = dfixed_div(dram_efficiency, a);
 671	bandwidth.full = dfixed_mul(dram_channels, yclk);
 672	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 673
 674	return dfixed_trunc(bandwidth);
 675}
 676
 677/**
 678 * dce_v8_0_dram_bandwidth_for_display - get the dram bandwidth for display
 679 *
 680 * @wm: watermark calculation data
 681 *
 682 * Calculate the dram bandwidth used for display (CIK).
 683 * Used for display watermark bandwidth calculations
 684 * Returns the dram bandwidth for display in MBytes/s
 685 */
 686static u32 dce_v8_0_dram_bandwidth_for_display(struct dce8_wm_params *wm)
 687{
 688	/* Calculate DRAM Bandwidth and the part allocated to display. */
 689	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 690	fixed20_12 yclk, dram_channels, bandwidth;
 691	fixed20_12 a;
 692
 693	a.full = dfixed_const(1000);
 694	yclk.full = dfixed_const(wm->yclk);
 695	yclk.full = dfixed_div(yclk, a);
 696	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 697	a.full = dfixed_const(10);
 698	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 699	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 700	bandwidth.full = dfixed_mul(dram_channels, yclk);
 701	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 702
 703	return dfixed_trunc(bandwidth);
 704}
 705
 706/**
 707 * dce_v8_0_data_return_bandwidth - get the data return bandwidth
 708 *
 709 * @wm: watermark calculation data
 710 *
 711 * Calculate the data return bandwidth used for display (CIK).
 712 * Used for display watermark bandwidth calculations
 713 * Returns the data return bandwidth in MBytes/s
 714 */
 715static u32 dce_v8_0_data_return_bandwidth(struct dce8_wm_params *wm)
 716{
 717	/* Calculate the display Data return Bandwidth */
 718	fixed20_12 return_efficiency; /* 0.8 */
 719	fixed20_12 sclk, bandwidth;
 720	fixed20_12 a;
 721
 722	a.full = dfixed_const(1000);
 723	sclk.full = dfixed_const(wm->sclk);
 724	sclk.full = dfixed_div(sclk, a);
 725	a.full = dfixed_const(10);
 726	return_efficiency.full = dfixed_const(8);
 727	return_efficiency.full = dfixed_div(return_efficiency, a);
 728	a.full = dfixed_const(32);
 729	bandwidth.full = dfixed_mul(a, sclk);
 730	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 731
 732	return dfixed_trunc(bandwidth);
 733}
 734
 735/**
 736 * dce_v8_0_dmif_request_bandwidth - get the dmif bandwidth
 737 *
 738 * @wm: watermark calculation data
 739 *
 740 * Calculate the dmif bandwidth used for display (CIK).
 741 * Used for display watermark bandwidth calculations
 742 * Returns the dmif bandwidth in MBytes/s
 743 */
 744static u32 dce_v8_0_dmif_request_bandwidth(struct dce8_wm_params *wm)
 745{
 746	/* Calculate the DMIF Request Bandwidth */
 747	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 748	fixed20_12 disp_clk, bandwidth;
 749	fixed20_12 a, b;
 750
 751	a.full = dfixed_const(1000);
 752	disp_clk.full = dfixed_const(wm->disp_clk);
 753	disp_clk.full = dfixed_div(disp_clk, a);
 754	a.full = dfixed_const(32);
 755	b.full = dfixed_mul(a, disp_clk);
 756
 757	a.full = dfixed_const(10);
 758	disp_clk_request_efficiency.full = dfixed_const(8);
 759	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 760
 761	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 762
 763	return dfixed_trunc(bandwidth);
 764}
 765
 766/**
 767 * dce_v8_0_available_bandwidth - get the min available bandwidth
 768 *
 769 * @wm: watermark calculation data
 770 *
 771 * Calculate the min available bandwidth used for display (CIK).
 772 * Used for display watermark bandwidth calculations
 773 * Returns the min available bandwidth in MBytes/s
 774 */
 775static u32 dce_v8_0_available_bandwidth(struct dce8_wm_params *wm)
 776{
 777	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 778	u32 dram_bandwidth = dce_v8_0_dram_bandwidth(wm);
 779	u32 data_return_bandwidth = dce_v8_0_data_return_bandwidth(wm);
 780	u32 dmif_req_bandwidth = dce_v8_0_dmif_request_bandwidth(wm);
 781
 782	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 783}
 784
 785/**
 786 * dce_v8_0_average_bandwidth - get the average available bandwidth
 787 *
 788 * @wm: watermark calculation data
 789 *
 790 * Calculate the average available bandwidth used for display (CIK).
 791 * Used for display watermark bandwidth calculations
 792 * Returns the average available bandwidth in MBytes/s
 793 */
 794static u32 dce_v8_0_average_bandwidth(struct dce8_wm_params *wm)
 795{
 796	/* Calculate the display mode Average Bandwidth
 797	 * DisplayMode should contain the source and destination dimensions,
 798	 * timing, etc.
 799	 */
 800	fixed20_12 bpp;
 801	fixed20_12 line_time;
 802	fixed20_12 src_width;
 803	fixed20_12 bandwidth;
 804	fixed20_12 a;
 805
 806	a.full = dfixed_const(1000);
 807	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 808	line_time.full = dfixed_div(line_time, a);
 809	bpp.full = dfixed_const(wm->bytes_per_pixel);
 810	src_width.full = dfixed_const(wm->src_width);
 811	bandwidth.full = dfixed_mul(src_width, bpp);
 812	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 813	bandwidth.full = dfixed_div(bandwidth, line_time);
 814
 815	return dfixed_trunc(bandwidth);
 816}
 817
 818/**
 819 * dce_v8_0_latency_watermark - get the latency watermark
 820 *
 821 * @wm: watermark calculation data
 822 *
 823 * Calculate the latency watermark (CIK).
 824 * Used for display watermark bandwidth calculations
 825 * Returns the latency watermark in ns
 826 */
 827static u32 dce_v8_0_latency_watermark(struct dce8_wm_params *wm)
 828{
 829	/* First calculate the latency in ns */
 830	u32 mc_latency = 2000; /* 2000 ns. */
 831	u32 available_bandwidth = dce_v8_0_available_bandwidth(wm);
 832	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 833	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 834	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 835	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 836		(wm->num_heads * cursor_line_pair_return_time);
 837	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 838	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 839	u32 tmp, dmif_size = 12288;
 840	fixed20_12 a, b, c;
 841
 842	if (wm->num_heads == 0)
 843		return 0;
 844
 845	a.full = dfixed_const(2);
 846	b.full = dfixed_const(1);
 847	if ((wm->vsc.full > a.full) ||
 848	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 849	    (wm->vtaps >= 5) ||
 850	    ((wm->vsc.full >= a.full) && wm->interlaced))
 851		max_src_lines_per_dst_line = 4;
 852	else
 853		max_src_lines_per_dst_line = 2;
 854
 855	a.full = dfixed_const(available_bandwidth);
 856	b.full = dfixed_const(wm->num_heads);
 857	a.full = dfixed_div(a, b);
 858	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 859	tmp = min(dfixed_trunc(a), tmp);
 860
 861	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 862
 863	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 864	b.full = dfixed_const(1000);
 865	c.full = dfixed_const(lb_fill_bw);
 866	b.full = dfixed_div(c, b);
 867	a.full = dfixed_div(a, b);
 868	line_fill_time = dfixed_trunc(a);
 869
 870	if (line_fill_time < wm->active_time)
 871		return latency;
 872	else
 873		return latency + (line_fill_time - wm->active_time);
 874
 875}
 876
 877/**
 878 * dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 879 * average and available dram bandwidth
 880 *
 881 * @wm: watermark calculation data
 882 *
 883 * Check if the display average bandwidth fits in the display
 884 * dram bandwidth (CIK).
 885 * Used for display watermark bandwidth calculations
 886 * Returns true if the display fits, false if not.
 887 */
 888static bool dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce8_wm_params *wm)
 889{
 890	if (dce_v8_0_average_bandwidth(wm) <=
 891	    (dce_v8_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 892		return true;
 893	else
 894		return false;
 895}
 896
 897/**
 898 * dce_v8_0_average_bandwidth_vs_available_bandwidth - check
 899 * average and available bandwidth
 900 *
 901 * @wm: watermark calculation data
 902 *
 903 * Check if the display average bandwidth fits in the display
 904 * available bandwidth (CIK).
 905 * Used for display watermark bandwidth calculations
 906 * Returns true if the display fits, false if not.
 907 */
 908static bool dce_v8_0_average_bandwidth_vs_available_bandwidth(struct dce8_wm_params *wm)
 909{
 910	if (dce_v8_0_average_bandwidth(wm) <=
 911	    (dce_v8_0_available_bandwidth(wm) / wm->num_heads))
 912		return true;
 913	else
 914		return false;
 915}
 916
 917/**
 918 * dce_v8_0_check_latency_hiding - check latency hiding
 919 *
 920 * @wm: watermark calculation data
 921 *
 922 * Check latency hiding (CIK).
 923 * Used for display watermark bandwidth calculations
 924 * Returns true if the display fits, false if not.
 925 */
 926static bool dce_v8_0_check_latency_hiding(struct dce8_wm_params *wm)
 927{
 928	u32 lb_partitions = wm->lb_size / wm->src_width;
 929	u32 line_time = wm->active_time + wm->blank_time;
 930	u32 latency_tolerant_lines;
 931	u32 latency_hiding;
 932	fixed20_12 a;
 933
 934	a.full = dfixed_const(1);
 935	if (wm->vsc.full > a.full)
 936		latency_tolerant_lines = 1;
 937	else {
 938		if (lb_partitions <= (wm->vtaps + 1))
 939			latency_tolerant_lines = 1;
 940		else
 941			latency_tolerant_lines = 2;
 942	}
 943
 944	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
 945
 946	if (dce_v8_0_latency_watermark(wm) <= latency_hiding)
 947		return true;
 948	else
 949		return false;
 950}
 951
 952/**
 953 * dce_v8_0_program_watermarks - program display watermarks
 954 *
 955 * @adev: amdgpu_device pointer
 956 * @amdgpu_crtc: the selected display controller
 957 * @lb_size: line buffer size
 958 * @num_heads: number of display controllers in use
 959 *
 960 * Calculate and program the display watermarks for the
 961 * selected display controller (CIK).
 962 */
 963static void dce_v8_0_program_watermarks(struct amdgpu_device *adev,
 964					struct amdgpu_crtc *amdgpu_crtc,
 965					u32 lb_size, u32 num_heads)
 966{
 967	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
 968	struct dce8_wm_params wm_low, wm_high;
 969	u32 active_time;
 970	u32 line_time = 0;
 971	u32 latency_watermark_a = 0, latency_watermark_b = 0;
 972	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
 973
 974	if (amdgpu_crtc->base.enabled && num_heads && mode) {
 975		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
 976					    (u32)mode->clock);
 977		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
 978					  (u32)mode->clock);
 979		line_time = min_t(u32, line_time, 65535);
 980
 981		/* watermark for high clocks */
 982		if (adev->pm.dpm_enabled) {
 983			wm_high.yclk =
 984				amdgpu_dpm_get_mclk(adev, false) * 10;
 985			wm_high.sclk =
 986				amdgpu_dpm_get_sclk(adev, false) * 10;
 987		} else {
 988			wm_high.yclk = adev->pm.current_mclk * 10;
 989			wm_high.sclk = adev->pm.current_sclk * 10;
 990		}
 991
 992		wm_high.disp_clk = mode->clock;
 993		wm_high.src_width = mode->crtc_hdisplay;
 994		wm_high.active_time = active_time;
 995		wm_high.blank_time = line_time - wm_high.active_time;
 996		wm_high.interlaced = false;
 997		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 998			wm_high.interlaced = true;
 999		wm_high.vsc = amdgpu_crtc->vsc;
1000		wm_high.vtaps = 1;
1001		if (amdgpu_crtc->rmx_type != RMX_OFF)
1002			wm_high.vtaps = 2;
1003		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1004		wm_high.lb_size = lb_size;
1005		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1006		wm_high.num_heads = num_heads;
1007
1008		/* set for high clocks */
1009		latency_watermark_a = min_t(u32, dce_v8_0_latency_watermark(&wm_high), 65535);
1010
1011		/* possibly force display priority to high */
1012		/* should really do this at mode validation time... */
1013		if (!dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1014		    !dce_v8_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1015		    !dce_v8_0_check_latency_hiding(&wm_high) ||
1016		    (adev->mode_info.disp_priority == 2)) {
1017			DRM_DEBUG_KMS("force priority to high\n");
1018		}
1019
1020		/* watermark for low clocks */
1021		if (adev->pm.dpm_enabled) {
1022			wm_low.yclk =
1023				amdgpu_dpm_get_mclk(adev, true) * 10;
1024			wm_low.sclk =
1025				amdgpu_dpm_get_sclk(adev, true) * 10;
1026		} else {
1027			wm_low.yclk = adev->pm.current_mclk * 10;
1028			wm_low.sclk = adev->pm.current_sclk * 10;
1029		}
1030
1031		wm_low.disp_clk = mode->clock;
1032		wm_low.src_width = mode->crtc_hdisplay;
1033		wm_low.active_time = active_time;
1034		wm_low.blank_time = line_time - wm_low.active_time;
1035		wm_low.interlaced = false;
1036		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1037			wm_low.interlaced = true;
1038		wm_low.vsc = amdgpu_crtc->vsc;
1039		wm_low.vtaps = 1;
1040		if (amdgpu_crtc->rmx_type != RMX_OFF)
1041			wm_low.vtaps = 2;
1042		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1043		wm_low.lb_size = lb_size;
1044		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1045		wm_low.num_heads = num_heads;
1046
1047		/* set for low clocks */
1048		latency_watermark_b = min_t(u32, dce_v8_0_latency_watermark(&wm_low), 65535);
1049
1050		/* possibly force display priority to high */
1051		/* should really do this at mode validation time... */
1052		if (!dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1053		    !dce_v8_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1054		    !dce_v8_0_check_latency_hiding(&wm_low) ||
1055		    (adev->mode_info.disp_priority == 2)) {
1056			DRM_DEBUG_KMS("force priority to high\n");
1057		}
1058		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1059	}
1060
1061	/* select wm A */
1062	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1063	tmp = wm_mask;
1064	tmp &= ~(3 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1065	tmp |= (1 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1066	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1067	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
1068	       ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
1069		(line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
1070	/* select wm B */
1071	tmp = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1072	tmp &= ~(3 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1073	tmp |= (2 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1074	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1075	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
1076	       ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
1077		(line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
1078	/* restore original selection */
1079	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1080
1081	/* save values for DPM */
1082	amdgpu_crtc->line_time = line_time;
1083	amdgpu_crtc->wm_high = latency_watermark_a;
1084	amdgpu_crtc->wm_low = latency_watermark_b;
1085	/* Save number of lines the linebuffer leads before the scanout */
1086	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1087}
1088
1089/**
1090 * dce_v8_0_bandwidth_update - program display watermarks
1091 *
1092 * @adev: amdgpu_device pointer
1093 *
1094 * Calculate and program the display watermarks and line
1095 * buffer allocation (CIK).
1096 */
1097static void dce_v8_0_bandwidth_update(struct amdgpu_device *adev)
1098{
1099	struct drm_display_mode *mode = NULL;
1100	u32 num_heads = 0, lb_size;
1101	int i;
1102
1103	amdgpu_display_update_priority(adev);
1104
1105	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1106		if (adev->mode_info.crtcs[i]->base.enabled)
1107			num_heads++;
1108	}
1109	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1110		mode = &adev->mode_info.crtcs[i]->base.mode;
1111		lb_size = dce_v8_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1112		dce_v8_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1113					    lb_size, num_heads);
1114	}
1115}
1116
1117static void dce_v8_0_audio_get_connected_pins(struct amdgpu_device *adev)
1118{
1119	int i;
1120	u32 offset, tmp;
1121
1122	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1123		offset = adev->mode_info.audio.pin[i].offset;
1124		tmp = RREG32_AUDIO_ENDPT(offset,
1125					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1126		if (((tmp &
1127		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1128		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1129			adev->mode_info.audio.pin[i].connected = false;
1130		else
1131			adev->mode_info.audio.pin[i].connected = true;
1132	}
1133}
1134
1135static struct amdgpu_audio_pin *dce_v8_0_audio_get_pin(struct amdgpu_device *adev)
1136{
1137	int i;
1138
1139	dce_v8_0_audio_get_connected_pins(adev);
1140
1141	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1142		if (adev->mode_info.audio.pin[i].connected)
1143			return &adev->mode_info.audio.pin[i];
1144	}
1145	DRM_ERROR("No connected audio pins found!\n");
1146	return NULL;
1147}
1148
1149static void dce_v8_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1150{
1151	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1152	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1153	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1154	u32 offset;
1155
1156	if (!dig || !dig->afmt || !dig->afmt->pin)
1157		return;
1158
1159	offset = dig->afmt->offset;
1160
1161	WREG32(mmAFMT_AUDIO_SRC_CONTROL + offset,
1162	       (dig->afmt->pin->id << AFMT_AUDIO_SRC_CONTROL__AFMT_AUDIO_SRC_SELECT__SHIFT));
1163}
1164
1165static void dce_v8_0_audio_write_latency_fields(struct drm_encoder *encoder,
1166						struct drm_display_mode *mode)
1167{
1168	struct drm_device *dev = encoder->dev;
1169	struct amdgpu_device *adev = drm_to_adev(dev);
1170	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1171	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1172	struct drm_connector *connector;
1173	struct drm_connector_list_iter iter;
1174	struct amdgpu_connector *amdgpu_connector = NULL;
1175	u32 tmp = 0, offset;
1176
1177	if (!dig || !dig->afmt || !dig->afmt->pin)
1178		return;
1179
1180	offset = dig->afmt->pin->offset;
1181
1182	drm_connector_list_iter_begin(dev, &iter);
1183	drm_for_each_connector_iter(connector, &iter) {
1184		if (connector->encoder == encoder) {
1185			amdgpu_connector = to_amdgpu_connector(connector);
1186			break;
1187		}
1188	}
1189	drm_connector_list_iter_end(&iter);
1190
1191	if (!amdgpu_connector) {
1192		DRM_ERROR("Couldn't find encoder's connector\n");
1193		return;
1194	}
1195
1196	if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
1197		if (connector->latency_present[1])
1198			tmp =
1199			(connector->video_latency[1] <<
1200			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1201			(connector->audio_latency[1] <<
1202			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1203		else
1204			tmp =
1205			(0 <<
1206			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1207			(0 <<
1208			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1209	} else {
1210		if (connector->latency_present[0])
1211			tmp =
1212			(connector->video_latency[0] <<
1213			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1214			(connector->audio_latency[0] <<
1215			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1216		else
1217			tmp =
1218			(0 <<
1219			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1220			(0 <<
1221			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1222
1223	}
1224	WREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1225}
1226
1227static void dce_v8_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1228{
1229	struct drm_device *dev = encoder->dev;
1230	struct amdgpu_device *adev = drm_to_adev(dev);
1231	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1232	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1233	struct drm_connector *connector;
1234	struct drm_connector_list_iter iter;
1235	struct amdgpu_connector *amdgpu_connector = NULL;
1236	u32 offset, tmp;
1237	u8 *sadb = NULL;
1238	int sad_count;
1239
1240	if (!dig || !dig->afmt || !dig->afmt->pin)
1241		return;
1242
1243	offset = dig->afmt->pin->offset;
1244
1245	drm_connector_list_iter_begin(dev, &iter);
1246	drm_for_each_connector_iter(connector, &iter) {
1247		if (connector->encoder == encoder) {
1248			amdgpu_connector = to_amdgpu_connector(connector);
1249			break;
1250		}
1251	}
1252	drm_connector_list_iter_end(&iter);
1253
1254	if (!amdgpu_connector) {
1255		DRM_ERROR("Couldn't find encoder's connector\n");
1256		return;
1257	}
1258
1259	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1260	if (sad_count < 0) {
1261		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1262		sad_count = 0;
1263	}
1264
1265	/* program the speaker allocation */
1266	tmp = RREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1267	tmp &= ~(AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__DP_CONNECTION_MASK |
1268		AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION_MASK);
1269	/* set HDMI mode */
1270	tmp |= AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__HDMI_CONNECTION_MASK;
1271	if (sad_count)
1272		tmp |= (sadb[0] << AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION__SHIFT);
1273	else
1274		tmp |= (5 << AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION__SHIFT); /* stereo */
1275	WREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1276
1277	kfree(sadb);
1278}
1279
1280static void dce_v8_0_audio_write_sad_regs(struct drm_encoder *encoder)
1281{
1282	struct drm_device *dev = encoder->dev;
1283	struct amdgpu_device *adev = drm_to_adev(dev);
1284	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1285	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1286	u32 offset;
1287	struct drm_connector *connector;
1288	struct drm_connector_list_iter iter;
1289	struct amdgpu_connector *amdgpu_connector = NULL;
1290	struct cea_sad *sads;
1291	int i, sad_count;
1292
1293	static const u16 eld_reg_to_type[][2] = {
1294		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1295		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1296		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1297		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1298		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1299		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1300		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1301		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1302		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1303		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1304		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1305		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1306	};
1307
1308	if (!dig || !dig->afmt || !dig->afmt->pin)
1309		return;
1310
1311	offset = dig->afmt->pin->offset;
1312
1313	drm_connector_list_iter_begin(dev, &iter);
1314	drm_for_each_connector_iter(connector, &iter) {
1315		if (connector->encoder == encoder) {
1316			amdgpu_connector = to_amdgpu_connector(connector);
1317			break;
1318		}
1319	}
1320	drm_connector_list_iter_end(&iter);
1321
1322	if (!amdgpu_connector) {
1323		DRM_ERROR("Couldn't find encoder's connector\n");
1324		return;
1325	}
1326
1327	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1328	if (sad_count < 0)
1329		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1330	if (sad_count <= 0)
1331		return;
1332	BUG_ON(!sads);
1333
1334	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1335		u32 value = 0;
1336		u8 stereo_freqs = 0;
1337		int max_channels = -1;
1338		int j;
1339
1340		for (j = 0; j < sad_count; j++) {
1341			struct cea_sad *sad = &sads[j];
1342
1343			if (sad->format == eld_reg_to_type[i][1]) {
1344				if (sad->channels > max_channels) {
1345					value = (sad->channels <<
1346						 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__MAX_CHANNELS__SHIFT) |
1347						(sad->byte2 <<
1348						 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__DESCRIPTOR_BYTE_2__SHIFT) |
1349						(sad->freq <<
1350						 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__SUPPORTED_FREQUENCIES__SHIFT);
1351					max_channels = sad->channels;
1352				}
1353
1354				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1355					stereo_freqs |= sad->freq;
1356				else
1357					break;
1358			}
1359		}
1360
1361		value |= (stereo_freqs <<
1362			AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__SUPPORTED_FREQUENCIES_STEREO__SHIFT);
1363
1364		WREG32_AUDIO_ENDPT(offset, eld_reg_to_type[i][0], value);
1365	}
1366
1367	kfree(sads);
1368}
1369
1370static void dce_v8_0_audio_enable(struct amdgpu_device *adev,
1371				  struct amdgpu_audio_pin *pin,
1372				  bool enable)
1373{
1374	if (!pin)
1375		return;
1376
1377	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1378		enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1379}
1380
1381static const u32 pin_offsets[7] = {
1382	(0x1780 - 0x1780),
1383	(0x1786 - 0x1780),
1384	(0x178c - 0x1780),
1385	(0x1792 - 0x1780),
1386	(0x1798 - 0x1780),
1387	(0x179d - 0x1780),
1388	(0x17a4 - 0x1780),
1389};
1390
1391static int dce_v8_0_audio_init(struct amdgpu_device *adev)
1392{
1393	int i;
1394
1395	if (!amdgpu_audio)
1396		return 0;
1397
1398	adev->mode_info.audio.enabled = true;
1399
1400	if (adev->asic_type == CHIP_KAVERI) /* KV: 4 streams, 7 endpoints */
1401		adev->mode_info.audio.num_pins = 7;
1402	else if ((adev->asic_type == CHIP_KABINI) ||
1403		 (adev->asic_type == CHIP_MULLINS)) /* KB/ML: 2 streams, 3 endpoints */
1404		adev->mode_info.audio.num_pins = 3;
1405	else if ((adev->asic_type == CHIP_BONAIRE) ||
1406		 (adev->asic_type == CHIP_HAWAII))/* BN/HW: 6 streams, 7 endpoints */
1407		adev->mode_info.audio.num_pins = 7;
1408	else
1409		adev->mode_info.audio.num_pins = 3;
1410
1411	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1412		adev->mode_info.audio.pin[i].channels = -1;
1413		adev->mode_info.audio.pin[i].rate = -1;
1414		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1415		adev->mode_info.audio.pin[i].status_bits = 0;
1416		adev->mode_info.audio.pin[i].category_code = 0;
1417		adev->mode_info.audio.pin[i].connected = false;
1418		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1419		adev->mode_info.audio.pin[i].id = i;
1420		/* disable audio.  it will be set up later */
1421		/* XXX remove once we switch to ip funcs */
1422		dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1423	}
1424
1425	return 0;
1426}
1427
1428static void dce_v8_0_audio_fini(struct amdgpu_device *adev)
1429{
1430	int i;
1431
1432	if (!amdgpu_audio)
1433		return;
1434
1435	if (!adev->mode_info.audio.enabled)
1436		return;
1437
1438	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1439		dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1440
1441	adev->mode_info.audio.enabled = false;
1442}
1443
1444/*
1445 * update the N and CTS parameters for a given pixel clock rate
1446 */
1447static void dce_v8_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1448{
1449	struct drm_device *dev = encoder->dev;
1450	struct amdgpu_device *adev = drm_to_adev(dev);
1451	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1452	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1453	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1454	uint32_t offset = dig->afmt->offset;
1455
1456	WREG32(mmHDMI_ACR_32_0 + offset, (acr.cts_32khz << HDMI_ACR_32_0__HDMI_ACR_CTS_32__SHIFT));
1457	WREG32(mmHDMI_ACR_32_1 + offset, acr.n_32khz);
1458
1459	WREG32(mmHDMI_ACR_44_0 + offset, (acr.cts_44_1khz << HDMI_ACR_44_0__HDMI_ACR_CTS_44__SHIFT));
1460	WREG32(mmHDMI_ACR_44_1 + offset, acr.n_44_1khz);
1461
1462	WREG32(mmHDMI_ACR_48_0 + offset, (acr.cts_48khz << HDMI_ACR_48_0__HDMI_ACR_CTS_48__SHIFT));
1463	WREG32(mmHDMI_ACR_48_1 + offset, acr.n_48khz);
1464}
1465
1466/*
1467 * build a HDMI Video Info Frame
1468 */
1469static void dce_v8_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1470					       void *buffer, size_t size)
1471{
1472	struct drm_device *dev = encoder->dev;
1473	struct amdgpu_device *adev = drm_to_adev(dev);
1474	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1475	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1476	uint32_t offset = dig->afmt->offset;
1477	uint8_t *frame = buffer + 3;
1478	uint8_t *header = buffer;
1479
1480	WREG32(mmAFMT_AVI_INFO0 + offset,
1481		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1482	WREG32(mmAFMT_AVI_INFO1 + offset,
1483		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1484	WREG32(mmAFMT_AVI_INFO2 + offset,
1485		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1486	WREG32(mmAFMT_AVI_INFO3 + offset,
1487		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1488}
1489
1490static void dce_v8_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1491{
1492	struct drm_device *dev = encoder->dev;
1493	struct amdgpu_device *adev = drm_to_adev(dev);
1494	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1495	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1496	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1497	u32 dto_phase = 24 * 1000;
1498	u32 dto_modulo = clock;
1499
1500	if (!dig || !dig->afmt)
1501		return;
1502
1503	/* XXX two dtos; generally use dto0 for hdmi */
1504	/* Express [24MHz / target pixel clock] as an exact rational
1505	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1506	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1507	 */
1508	WREG32(mmDCCG_AUDIO_DTO_SOURCE, (amdgpu_crtc->crtc_id << DCCG_AUDIO_DTO_SOURCE__DCCG_AUDIO_DTO0_SOURCE_SEL__SHIFT));
1509	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1510	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1511}
1512
1513/*
1514 * update the info frames with the data from the current display mode
1515 */
1516static void dce_v8_0_afmt_setmode(struct drm_encoder *encoder,
1517				  struct drm_display_mode *mode)
1518{
1519	struct drm_device *dev = encoder->dev;
1520	struct amdgpu_device *adev = drm_to_adev(dev);
1521	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1522	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1523	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1524	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1525	struct hdmi_avi_infoframe frame;
1526	uint32_t offset, val;
1527	ssize_t err;
1528	int bpc = 8;
1529
1530	if (!dig || !dig->afmt)
1531		return;
1532
1533	/* Silent, r600_hdmi_enable will raise WARN for us */
1534	if (!dig->afmt->enabled)
1535		return;
1536
1537	offset = dig->afmt->offset;
1538
1539	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1540	if (encoder->crtc) {
1541		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1542		bpc = amdgpu_crtc->bpc;
1543	}
1544
1545	/* disable audio prior to setting up hw */
1546	dig->afmt->pin = dce_v8_0_audio_get_pin(adev);
1547	dce_v8_0_audio_enable(adev, dig->afmt->pin, false);
1548
1549	dce_v8_0_audio_set_dto(encoder, mode->clock);
1550
1551	WREG32(mmHDMI_VBI_PACKET_CONTROL + offset,
1552	       HDMI_VBI_PACKET_CONTROL__HDMI_NULL_SEND_MASK); /* send null packets when required */
1553
1554	WREG32(mmAFMT_AUDIO_CRC_CONTROL + offset, 0x1000);
1555
1556	val = RREG32(mmHDMI_CONTROL + offset);
1557	val &= ~HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
1558	val &= ~HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH_MASK;
1559
1560	switch (bpc) {
1561	case 0:
1562	case 6:
1563	case 8:
1564	case 16:
1565	default:
1566		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1567			  connector->name, bpc);
1568		break;
1569	case 10:
1570		val |= HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
1571		val |= 1 << HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH__SHIFT;
1572		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1573			  connector->name);
1574		break;
1575	case 12:
1576		val |= HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
1577		val |= 2 << HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH__SHIFT;
1578		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1579			  connector->name);
1580		break;
1581	}
1582
1583	WREG32(mmHDMI_CONTROL + offset, val);
1584
1585	WREG32(mmHDMI_VBI_PACKET_CONTROL + offset,
1586	       HDMI_VBI_PACKET_CONTROL__HDMI_NULL_SEND_MASK | /* send null packets when required */
1587	       HDMI_VBI_PACKET_CONTROL__HDMI_GC_SEND_MASK | /* send general control packets */
1588	       HDMI_VBI_PACKET_CONTROL__HDMI_GC_CONT_MASK); /* send general control packets every frame */
1589
1590	WREG32(mmHDMI_INFOFRAME_CONTROL0 + offset,
1591	       HDMI_INFOFRAME_CONTROL0__HDMI_AUDIO_INFO_SEND_MASK | /* enable audio info frames (frames won't be set until audio is enabled) */
1592	       HDMI_INFOFRAME_CONTROL0__HDMI_AUDIO_INFO_CONT_MASK); /* required for audio info values to be updated */
1593
1594	WREG32(mmAFMT_INFOFRAME_CONTROL0 + offset,
1595	       AFMT_INFOFRAME_CONTROL0__AFMT_AUDIO_INFO_UPDATE_MASK); /* required for audio info values to be updated */
1596
1597	WREG32(mmHDMI_INFOFRAME_CONTROL1 + offset,
1598	       (2 << HDMI_INFOFRAME_CONTROL1__HDMI_AUDIO_INFO_LINE__SHIFT)); /* anything other than 0 */
1599
1600	WREG32(mmHDMI_GC + offset, 0); /* unset HDMI_GC_AVMUTE */
1601
1602	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + offset,
1603	       (1 << HDMI_AUDIO_PACKET_CONTROL__HDMI_AUDIO_DELAY_EN__SHIFT) | /* set the default audio delay */
1604	       (3 << HDMI_AUDIO_PACKET_CONTROL__HDMI_AUDIO_PACKETS_PER_LINE__SHIFT)); /* should be suffient for all audio modes and small enough for all hblanks */
1605
1606	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + offset,
1607	       AFMT_AUDIO_PACKET_CONTROL__AFMT_60958_CS_UPDATE_MASK); /* allow 60958 channel status fields to be updated */
1608
1609	/* fglrx clears sth in AFMT_AUDIO_PACKET_CONTROL2 here */
1610
1611	if (bpc > 8)
1612		WREG32(mmHDMI_ACR_PACKET_CONTROL + offset,
1613		       HDMI_ACR_PACKET_CONTROL__HDMI_ACR_AUTO_SEND_MASK); /* allow hw to sent ACR packets when required */
1614	else
1615		WREG32(mmHDMI_ACR_PACKET_CONTROL + offset,
1616		       HDMI_ACR_PACKET_CONTROL__HDMI_ACR_SOURCE_MASK | /* select SW CTS value */
1617		       HDMI_ACR_PACKET_CONTROL__HDMI_ACR_AUTO_SEND_MASK); /* allow hw to sent ACR packets when required */
1618
1619	dce_v8_0_afmt_update_ACR(encoder, mode->clock);
1620
1621	WREG32(mmAFMT_60958_0 + offset,
1622	       (1 << AFMT_60958_0__AFMT_60958_CS_CHANNEL_NUMBER_L__SHIFT));
1623
1624	WREG32(mmAFMT_60958_1 + offset,
1625	       (2 << AFMT_60958_1__AFMT_60958_CS_CHANNEL_NUMBER_R__SHIFT));
1626
1627	WREG32(mmAFMT_60958_2 + offset,
1628	       (3 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_2__SHIFT) |
1629	       (4 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_3__SHIFT) |
1630	       (5 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_4__SHIFT) |
1631	       (6 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_5__SHIFT) |
1632	       (7 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_6__SHIFT) |
1633	       (8 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_7__SHIFT));
1634
1635	dce_v8_0_audio_write_speaker_allocation(encoder);
1636
1637
1638	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + offset,
1639	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1640
1641	dce_v8_0_afmt_audio_select_pin(encoder);
1642	dce_v8_0_audio_write_sad_regs(encoder);
1643	dce_v8_0_audio_write_latency_fields(encoder, mode);
1644
1645	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1646	if (err < 0) {
1647		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1648		return;
1649	}
1650
1651	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1652	if (err < 0) {
1653		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1654		return;
1655	}
1656
1657	dce_v8_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1658
1659	WREG32_OR(mmHDMI_INFOFRAME_CONTROL0 + offset,
1660		  HDMI_INFOFRAME_CONTROL0__HDMI_AVI_INFO_SEND_MASK | /* enable AVI info frames */
1661		  HDMI_INFOFRAME_CONTROL0__HDMI_AVI_INFO_CONT_MASK); /* required for audio info values to be updated */
1662
1663	WREG32_P(mmHDMI_INFOFRAME_CONTROL1 + offset,
1664		 (2 << HDMI_INFOFRAME_CONTROL1__HDMI_AVI_INFO_LINE__SHIFT), /* anything other than 0 */
1665		 ~HDMI_INFOFRAME_CONTROL1__HDMI_AVI_INFO_LINE_MASK);
1666
1667	WREG32_OR(mmAFMT_AUDIO_PACKET_CONTROL + offset,
1668		  AFMT_AUDIO_PACKET_CONTROL__AFMT_AUDIO_SAMPLE_SEND_MASK); /* send audio packets */
1669
1670	WREG32(mmAFMT_RAMP_CONTROL0 + offset, 0x00FFFFFF);
1671	WREG32(mmAFMT_RAMP_CONTROL1 + offset, 0x007FFFFF);
1672	WREG32(mmAFMT_RAMP_CONTROL2 + offset, 0x00000001);
1673	WREG32(mmAFMT_RAMP_CONTROL3 + offset, 0x00000001);
1674
1675	/* enable audio after setting up hw */
1676	dce_v8_0_audio_enable(adev, dig->afmt->pin, true);
1677}
1678
1679static void dce_v8_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1680{
1681	struct drm_device *dev = encoder->dev;
1682	struct amdgpu_device *adev = drm_to_adev(dev);
1683	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1684	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1685
1686	if (!dig || !dig->afmt)
1687		return;
1688
1689	/* Silent, r600_hdmi_enable will raise WARN for us */
1690	if (enable && dig->afmt->enabled)
1691		return;
1692	if (!enable && !dig->afmt->enabled)
1693		return;
1694
1695	if (!enable && dig->afmt->pin) {
1696		dce_v8_0_audio_enable(adev, dig->afmt->pin, false);
1697		dig->afmt->pin = NULL;
1698	}
1699
1700	dig->afmt->enabled = enable;
1701
1702	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1703		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1704}
1705
1706static int dce_v8_0_afmt_init(struct amdgpu_device *adev)
1707{
1708	int i;
1709
1710	for (i = 0; i < adev->mode_info.num_dig; i++)
1711		adev->mode_info.afmt[i] = NULL;
1712
1713	/* DCE8 has audio blocks tied to DIG encoders */
1714	for (i = 0; i < adev->mode_info.num_dig; i++) {
1715		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1716		if (adev->mode_info.afmt[i]) {
1717			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1718			adev->mode_info.afmt[i]->id = i;
1719		} else {
1720			int j;
1721			for (j = 0; j < i; j++) {
1722				kfree(adev->mode_info.afmt[j]);
1723				adev->mode_info.afmt[j] = NULL;
1724			}
1725			return -ENOMEM;
1726		}
1727	}
1728	return 0;
1729}
1730
1731static void dce_v8_0_afmt_fini(struct amdgpu_device *adev)
1732{
1733	int i;
1734
1735	for (i = 0; i < adev->mode_info.num_dig; i++) {
1736		kfree(adev->mode_info.afmt[i]);
1737		adev->mode_info.afmt[i] = NULL;
1738	}
1739}
1740
1741static const u32 vga_control_regs[6] = {
1742	mmD1VGA_CONTROL,
1743	mmD2VGA_CONTROL,
1744	mmD3VGA_CONTROL,
1745	mmD4VGA_CONTROL,
1746	mmD5VGA_CONTROL,
1747	mmD6VGA_CONTROL,
1748};
1749
1750static void dce_v8_0_vga_enable(struct drm_crtc *crtc, bool enable)
1751{
1752	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1753	struct drm_device *dev = crtc->dev;
1754	struct amdgpu_device *adev = drm_to_adev(dev);
1755	u32 vga_control;
1756
1757	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1758	if (enable)
1759		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1760	else
1761		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1762}
1763
1764static void dce_v8_0_grph_enable(struct drm_crtc *crtc, bool enable)
1765{
1766	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1767	struct drm_device *dev = crtc->dev;
1768	struct amdgpu_device *adev = drm_to_adev(dev);
1769
1770	if (enable)
1771		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1772	else
1773		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1774}
1775
1776static int dce_v8_0_crtc_do_set_base(struct drm_crtc *crtc,
1777				     struct drm_framebuffer *fb,
1778				     int x, int y, int atomic)
1779{
1780	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1781	struct drm_device *dev = crtc->dev;
1782	struct amdgpu_device *adev = drm_to_adev(dev);
1783	struct drm_framebuffer *target_fb;
1784	struct drm_gem_object *obj;
1785	struct amdgpu_bo *abo;
1786	uint64_t fb_location, tiling_flags;
1787	uint32_t fb_format, fb_pitch_pixels;
1788	u32 fb_swap = (GRPH_ENDIAN_NONE << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1789	u32 pipe_config;
1790	u32 viewport_w, viewport_h;
1791	int r;
1792	bool bypass_lut = false;
1793
1794	/* no fb bound */
1795	if (!atomic && !crtc->primary->fb) {
1796		DRM_DEBUG_KMS("No FB bound\n");
1797		return 0;
1798	}
1799
1800	if (atomic)
1801		target_fb = fb;
1802	else
1803		target_fb = crtc->primary->fb;
1804
1805	/* If atomic, assume fb object is pinned & idle & fenced and
1806	 * just update base pointers
1807	 */
1808	obj = target_fb->obj[0];
1809	abo = gem_to_amdgpu_bo(obj);
1810	r = amdgpu_bo_reserve(abo, false);
1811	if (unlikely(r != 0))
1812		return r;
1813
1814	if (!atomic) {
1815		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1816		if (unlikely(r != 0)) {
1817			amdgpu_bo_unreserve(abo);
1818			return -EINVAL;
1819		}
1820	}
1821	fb_location = amdgpu_bo_gpu_offset(abo);
1822
1823	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1824	amdgpu_bo_unreserve(abo);
1825
1826	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1827
1828	switch (target_fb->format->format) {
1829	case DRM_FORMAT_C8:
1830		fb_format = ((GRPH_DEPTH_8BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1831			     (GRPH_FORMAT_INDEXED << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1832		break;
1833	case DRM_FORMAT_XRGB4444:
1834	case DRM_FORMAT_ARGB4444:
1835		fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1836			     (GRPH_FORMAT_ARGB4444 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1837#ifdef __BIG_ENDIAN
1838		fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1839#endif
1840		break;
1841	case DRM_FORMAT_XRGB1555:
1842	case DRM_FORMAT_ARGB1555:
1843		fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1844			     (GRPH_FORMAT_ARGB1555 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1845#ifdef __BIG_ENDIAN
1846		fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1847#endif
1848		break;
1849	case DRM_FORMAT_BGRX5551:
1850	case DRM_FORMAT_BGRA5551:
1851		fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1852			     (GRPH_FORMAT_BGRA5551 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1853#ifdef __BIG_ENDIAN
1854		fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1855#endif
1856		break;
1857	case DRM_FORMAT_RGB565:
1858		fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1859			     (GRPH_FORMAT_ARGB565 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1860#ifdef __BIG_ENDIAN
1861		fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1862#endif
1863		break;
1864	case DRM_FORMAT_XRGB8888:
1865	case DRM_FORMAT_ARGB8888:
1866		fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1867			     (GRPH_FORMAT_ARGB8888 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1868#ifdef __BIG_ENDIAN
1869		fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1870#endif
1871		break;
1872	case DRM_FORMAT_XRGB2101010:
1873	case DRM_FORMAT_ARGB2101010:
1874		fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1875			     (GRPH_FORMAT_ARGB2101010 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1876#ifdef __BIG_ENDIAN
1877		fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1878#endif
1879		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1880		bypass_lut = true;
1881		break;
1882	case DRM_FORMAT_BGRX1010102:
1883	case DRM_FORMAT_BGRA1010102:
1884		fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1885			     (GRPH_FORMAT_BGRA1010102 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1886#ifdef __BIG_ENDIAN
1887		fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1888#endif
1889		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1890		bypass_lut = true;
1891		break;
1892	case DRM_FORMAT_XBGR8888:
1893	case DRM_FORMAT_ABGR8888:
1894		fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1895				(GRPH_FORMAT_ARGB8888 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1896		fb_swap = ((GRPH_RED_SEL_B << GRPH_SWAP_CNTL__GRPH_RED_CROSSBAR__SHIFT) |
1897			(GRPH_BLUE_SEL_R << GRPH_SWAP_CNTL__GRPH_BLUE_CROSSBAR__SHIFT));
1898#ifdef __BIG_ENDIAN
1899		fb_swap |= (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1900#endif
1901		break;
1902	default:
1903		DRM_ERROR("Unsupported screen format %p4cc\n",
1904			  &target_fb->format->format);
1905		return -EINVAL;
1906	}
1907
1908	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1909		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1910
1911		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1912		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1913		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1914		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1915		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1916
1917		fb_format |= (num_banks << GRPH_CONTROL__GRPH_NUM_BANKS__SHIFT);
1918		fb_format |= (GRPH_ARRAY_2D_TILED_THIN1 << GRPH_CONTROL__GRPH_ARRAY_MODE__SHIFT);
1919		fb_format |= (tile_split << GRPH_CONTROL__GRPH_TILE_SPLIT__SHIFT);
1920		fb_format |= (bankw << GRPH_CONTROL__GRPH_BANK_WIDTH__SHIFT);
1921		fb_format |= (bankh << GRPH_CONTROL__GRPH_BANK_HEIGHT__SHIFT);
1922		fb_format |= (mtaspect << GRPH_CONTROL__GRPH_MACRO_TILE_ASPECT__SHIFT);
1923		fb_format |= (DISPLAY_MICRO_TILING << GRPH_CONTROL__GRPH_MICRO_TILE_MODE__SHIFT);
1924	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1925		fb_format |= (GRPH_ARRAY_1D_TILED_THIN1 << GRPH_CONTROL__GRPH_ARRAY_MODE__SHIFT);
1926	}
1927
1928	fb_format |= (pipe_config << GRPH_CONTROL__GRPH_PIPE_CONFIG__SHIFT);
1929
1930	dce_v8_0_vga_enable(crtc, false);
1931
1932	/* Make sure surface address is updated at vertical blank rather than
1933	 * horizontal blank
1934	 */
1935	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1936
1937	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1938	       upper_32_bits(fb_location));
1939	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1940	       upper_32_bits(fb_location));
1941	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1942	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1943	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1944	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
1945	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1946	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1947
1948	/*
1949	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1950	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1951	 * retain the full precision throughout the pipeline.
1952	 */
1953	WREG32_P(mmGRPH_LUT_10BIT_BYPASS_CONTROL + amdgpu_crtc->crtc_offset,
1954		 (bypass_lut ? LUT_10BIT_BYPASS_EN : 0),
1955		 ~LUT_10BIT_BYPASS_EN);
1956
1957	if (bypass_lut)
1958		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1959
1960	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
1961	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
1962	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
1963	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
1964	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
1965	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
1966
1967	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
1968	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
1969
1970	dce_v8_0_grph_enable(crtc, true);
1971
1972	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
1973	       target_fb->height);
1974
1975	x &= ~3;
1976	y &= ~1;
1977	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
1978	       (x << 16) | y);
1979	viewport_w = crtc->mode.hdisplay;
1980	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1981	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
1982	       (viewport_w << 16) | viewport_h);
1983
1984	/* set pageflip to happen anywhere in vblank interval */
1985	WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
1986
1987	if (!atomic && fb && fb != crtc->primary->fb) {
1988		abo = gem_to_amdgpu_bo(fb->obj[0]);
1989		r = amdgpu_bo_reserve(abo, true);
1990		if (unlikely(r != 0))
1991			return r;
1992		amdgpu_bo_unpin(abo);
1993		amdgpu_bo_unreserve(abo);
1994	}
1995
1996	/* Bytes per pixel may have changed */
1997	dce_v8_0_bandwidth_update(adev);
1998
1999	return 0;
2000}
2001
2002static void dce_v8_0_set_interleave(struct drm_crtc *crtc,
2003				    struct drm_display_mode *mode)
2004{
2005	struct drm_device *dev = crtc->dev;
2006	struct amdgpu_device *adev = drm_to_adev(dev);
2007	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2008
2009	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2010		WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset,
2011		       LB_DATA_FORMAT__INTERLEAVE_EN__SHIFT);
2012	else
2013		WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2014}
2015
2016static void dce_v8_0_crtc_load_lut(struct drm_crtc *crtc)
2017{
2018	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2019	struct drm_device *dev = crtc->dev;
2020	struct amdgpu_device *adev = drm_to_adev(dev);
2021	u16 *r, *g, *b;
2022	int i;
2023
2024	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2025
2026	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2027	       ((INPUT_CSC_BYPASS << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2028		(INPUT_CSC_BYPASS << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2029	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2030	       PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2031	WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2032	       PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2033	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2034	       ((INPUT_GAMMA_USE_LUT << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2035		(INPUT_GAMMA_USE_LUT << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2036
2037	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2038
2039	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2040	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2041	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2042
2043	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2044	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2045	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2046
2047	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2048	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2049
2050	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2051	r = crtc->gamma_store;
2052	g = r + crtc->gamma_size;
2053	b = g + crtc->gamma_size;
2054	for (i = 0; i < 256; i++) {
2055		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2056		       ((*r++ & 0xffc0) << 14) |
2057		       ((*g++ & 0xffc0) << 4) |
2058		       (*b++ >> 6));
2059	}
2060
2061	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2062	       ((DEGAMMA_BYPASS << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2063		(DEGAMMA_BYPASS << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2064		(DEGAMMA_BYPASS << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2065	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2066	       ((GAMUT_REMAP_BYPASS << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2067		(GAMUT_REMAP_BYPASS << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2068	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2069	       ((REGAMMA_BYPASS << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2070		(REGAMMA_BYPASS << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2071	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2072	       ((OUTPUT_CSC_BYPASS << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2073		(OUTPUT_CSC_BYPASS << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2074	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2075	WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2076	/* XXX this only needs to be programmed once per crtc at startup,
2077	 * not sure where the best place for it is
2078	 */
2079	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset,
2080	       ALPHA_CONTROL__CURSOR_ALPHA_BLND_ENA_MASK);
2081}
2082
2083static int dce_v8_0_pick_dig_encoder(struct drm_encoder *encoder)
2084{
2085	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2086	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2087
2088	switch (amdgpu_encoder->encoder_id) {
2089	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2090		if (dig->linkb)
2091			return 1;
2092		else
2093			return 0;
2094	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2095		if (dig->linkb)
2096			return 3;
2097		else
2098			return 2;
2099	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2100		if (dig->linkb)
2101			return 5;
2102		else
2103			return 4;
2104	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2105		return 6;
2106	default:
2107		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2108		return 0;
2109	}
2110}
2111
2112/**
2113 * dce_v8_0_pick_pll - Allocate a PPLL for use by the crtc.
2114 *
2115 * @crtc: drm crtc
2116 *
2117 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2118 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2119 * monitors a dedicated PPLL must be used.  If a particular board has
2120 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2121 * as there is no need to program the PLL itself.  If we are not able to
2122 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2123 * avoid messing up an existing monitor.
2124 *
2125 * Asic specific PLL information
2126 *
2127 * DCE 8.x
2128 * KB/KV
2129 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2130 * CI
2131 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2132 *
2133 */
2134static u32 dce_v8_0_pick_pll(struct drm_crtc *crtc)
2135{
2136	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2137	struct drm_device *dev = crtc->dev;
2138	struct amdgpu_device *adev = drm_to_adev(dev);
2139	u32 pll_in_use;
2140	int pll;
2141
2142	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2143		if (adev->clock.dp_extclk)
2144			/* skip PPLL programming if using ext clock */
2145			return ATOM_PPLL_INVALID;
2146		else {
2147			/* use the same PPLL for all DP monitors */
2148			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2149			if (pll != ATOM_PPLL_INVALID)
2150				return pll;
2151		}
2152	} else {
2153		/* use the same PPLL for all monitors with the same clock */
2154		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2155		if (pll != ATOM_PPLL_INVALID)
2156			return pll;
2157	}
2158	/* otherwise, pick one of the plls */
2159	if ((adev->asic_type == CHIP_KABINI) ||
2160	    (adev->asic_type == CHIP_MULLINS)) {
2161		/* KB/ML has PPLL1 and PPLL2 */
2162		pll_in_use = amdgpu_pll_get_use_mask(crtc);
2163		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2164			return ATOM_PPLL2;
2165		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2166			return ATOM_PPLL1;
2167		DRM_ERROR("unable to allocate a PPLL\n");
2168		return ATOM_PPLL_INVALID;
2169	} else {
2170		/* CI/KV has PPLL0, PPLL1, and PPLL2 */
2171		pll_in_use = amdgpu_pll_get_use_mask(crtc);
2172		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2173			return ATOM_PPLL2;
2174		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2175			return ATOM_PPLL1;
2176		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2177			return ATOM_PPLL0;
2178		DRM_ERROR("unable to allocate a PPLL\n");
2179		return ATOM_PPLL_INVALID;
2180	}
2181	return ATOM_PPLL_INVALID;
2182}
2183
2184static void dce_v8_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2185{
2186	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2187	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2188	uint32_t cur_lock;
2189
2190	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2191	if (lock)
2192		cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2193	else
2194		cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2195	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2196}
2197
2198static void dce_v8_0_hide_cursor(struct drm_crtc *crtc)
2199{
2200	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2201	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2202
2203	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2204	       (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2205	       (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2206}
2207
2208static void dce_v8_0_show_cursor(struct drm_crtc *crtc)
2209{
2210	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2211	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2212
2213	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2214	       upper_32_bits(amdgpu_crtc->cursor_addr));
2215	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2216	       lower_32_bits(amdgpu_crtc->cursor_addr));
2217
2218	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2219	       CUR_CONTROL__CURSOR_EN_MASK |
2220	       (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2221	       (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2222}
2223
2224static int dce_v8_0_cursor_move_locked(struct drm_crtc *crtc,
2225				       int x, int y)
2226{
2227	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2228	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2229	int xorigin = 0, yorigin = 0;
2230
2231	amdgpu_crtc->cursor_x = x;
2232	amdgpu_crtc->cursor_y = y;
2233
2234	/* avivo cursor are offset into the total surface */
2235	x += crtc->x;
2236	y += crtc->y;
2237	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2238
2239	if (x < 0) {
2240		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2241		x = 0;
2242	}
2243	if (y < 0) {
2244		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2245		y = 0;
2246	}
2247
2248	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2249	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2250	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2251	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2252
2253	return 0;
2254}
2255
2256static int dce_v8_0_crtc_cursor_move(struct drm_crtc *crtc,
2257				     int x, int y)
2258{
2259	int ret;
2260
2261	dce_v8_0_lock_cursor(crtc, true);
2262	ret = dce_v8_0_cursor_move_locked(crtc, x, y);
2263	dce_v8_0_lock_cursor(crtc, false);
2264
2265	return ret;
2266}
2267
2268static int dce_v8_0_crtc_cursor_set2(struct drm_crtc *crtc,
2269				     struct drm_file *file_priv,
2270				     uint32_t handle,
2271				     uint32_t width,
2272				     uint32_t height,
2273				     int32_t hot_x,
2274				     int32_t hot_y)
2275{
2276	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2277	struct drm_gem_object *obj;
2278	struct amdgpu_bo *aobj;
2279	int ret;
2280
2281	if (!handle) {
2282		/* turn off cursor */
2283		dce_v8_0_hide_cursor(crtc);
2284		obj = NULL;
2285		goto unpin;
2286	}
2287
2288	if ((width > amdgpu_crtc->max_cursor_width) ||
2289	    (height > amdgpu_crtc->max_cursor_height)) {
2290		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2291		return -EINVAL;
2292	}
2293
2294	obj = drm_gem_object_lookup(file_priv, handle);
2295	if (!obj) {
2296		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2297		return -ENOENT;
2298	}
2299
2300	aobj = gem_to_amdgpu_bo(obj);
2301	ret = amdgpu_bo_reserve(aobj, false);
2302	if (ret != 0) {
2303		drm_gem_object_put(obj);
2304		return ret;
2305	}
2306
2307	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2308	amdgpu_bo_unreserve(aobj);
2309	if (ret) {
2310		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2311		drm_gem_object_put(obj);
2312		return ret;
2313	}
2314	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2315
2316	dce_v8_0_lock_cursor(crtc, true);
2317
2318	if (width != amdgpu_crtc->cursor_width ||
2319	    height != amdgpu_crtc->cursor_height ||
2320	    hot_x != amdgpu_crtc->cursor_hot_x ||
2321	    hot_y != amdgpu_crtc->cursor_hot_y) {
2322		int x, y;
2323
2324		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2325		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2326
2327		dce_v8_0_cursor_move_locked(crtc, x, y);
2328
2329		amdgpu_crtc->cursor_width = width;
2330		amdgpu_crtc->cursor_height = height;
2331		amdgpu_crtc->cursor_hot_x = hot_x;
2332		amdgpu_crtc->cursor_hot_y = hot_y;
2333	}
2334
2335	dce_v8_0_show_cursor(crtc);
2336	dce_v8_0_lock_cursor(crtc, false);
2337
2338unpin:
2339	if (amdgpu_crtc->cursor_bo) {
2340		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2341		ret = amdgpu_bo_reserve(aobj, true);
2342		if (likely(ret == 0)) {
2343			amdgpu_bo_unpin(aobj);
2344			amdgpu_bo_unreserve(aobj);
2345		}
2346		drm_gem_object_put(amdgpu_crtc->cursor_bo);
2347	}
2348
2349	amdgpu_crtc->cursor_bo = obj;
2350	return 0;
2351}
2352
2353static void dce_v8_0_cursor_reset(struct drm_crtc *crtc)
2354{
2355	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2356
2357	if (amdgpu_crtc->cursor_bo) {
2358		dce_v8_0_lock_cursor(crtc, true);
2359
2360		dce_v8_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2361					    amdgpu_crtc->cursor_y);
2362
2363		dce_v8_0_show_cursor(crtc);
2364
2365		dce_v8_0_lock_cursor(crtc, false);
2366	}
2367}
2368
2369static int dce_v8_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2370				   u16 *blue, uint32_t size,
2371				   struct drm_modeset_acquire_ctx *ctx)
2372{
2373	dce_v8_0_crtc_load_lut(crtc);
2374
2375	return 0;
2376}
2377
2378static void dce_v8_0_crtc_destroy(struct drm_crtc *crtc)
2379{
2380	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2381
2382	drm_crtc_cleanup(crtc);
2383	kfree(amdgpu_crtc);
2384}
2385
2386static const struct drm_crtc_funcs dce_v8_0_crtc_funcs = {
2387	.cursor_set2 = dce_v8_0_crtc_cursor_set2,
2388	.cursor_move = dce_v8_0_crtc_cursor_move,
2389	.gamma_set = dce_v8_0_crtc_gamma_set,
2390	.set_config = amdgpu_display_crtc_set_config,
2391	.destroy = dce_v8_0_crtc_destroy,
2392	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2393	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
2394	.enable_vblank = amdgpu_enable_vblank_kms,
2395	.disable_vblank = amdgpu_disable_vblank_kms,
2396	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2397};
2398
2399static void dce_v8_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2400{
2401	struct drm_device *dev = crtc->dev;
2402	struct amdgpu_device *adev = drm_to_adev(dev);
2403	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2404	unsigned type;
2405
2406	switch (mode) {
2407	case DRM_MODE_DPMS_ON:
2408		amdgpu_crtc->enabled = true;
2409		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2410		dce_v8_0_vga_enable(crtc, true);
2411		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2412		dce_v8_0_vga_enable(crtc, false);
2413		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2414		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2415						amdgpu_crtc->crtc_id);
2416		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2417		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2418		drm_crtc_vblank_on(crtc);
2419		dce_v8_0_crtc_load_lut(crtc);
2420		break;
2421	case DRM_MODE_DPMS_STANDBY:
2422	case DRM_MODE_DPMS_SUSPEND:
2423	case DRM_MODE_DPMS_OFF:
2424		drm_crtc_vblank_off(crtc);
2425		if (amdgpu_crtc->enabled) {
2426			dce_v8_0_vga_enable(crtc, true);
2427			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2428			dce_v8_0_vga_enable(crtc, false);
2429		}
2430		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2431		amdgpu_crtc->enabled = false;
2432		break;
2433	}
2434	/* adjust pm to dpms */
2435	amdgpu_dpm_compute_clocks(adev);
2436}
2437
2438static void dce_v8_0_crtc_prepare(struct drm_crtc *crtc)
2439{
2440	/* disable crtc pair power gating before programming */
2441	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2442	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2443	dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2444}
2445
2446static void dce_v8_0_crtc_commit(struct drm_crtc *crtc)
2447{
2448	dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2449	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2450}
2451
2452static void dce_v8_0_crtc_disable(struct drm_crtc *crtc)
2453{
2454	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2455	struct drm_device *dev = crtc->dev;
2456	struct amdgpu_device *adev = drm_to_adev(dev);
2457	struct amdgpu_atom_ss ss;
2458	int i;
2459
2460	dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2461	if (crtc->primary->fb) {
2462		int r;
2463		struct amdgpu_bo *abo;
2464
2465		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2466		r = amdgpu_bo_reserve(abo, true);
2467		if (unlikely(r))
2468			DRM_ERROR("failed to reserve abo before unpin\n");
2469		else {
2470			amdgpu_bo_unpin(abo);
2471			amdgpu_bo_unreserve(abo);
2472		}
2473	}
2474	/* disable the GRPH */
2475	dce_v8_0_grph_enable(crtc, false);
2476
2477	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2478
2479	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2480		if (adev->mode_info.crtcs[i] &&
2481		    adev->mode_info.crtcs[i]->enabled &&
2482		    i != amdgpu_crtc->crtc_id &&
2483		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2484			/* one other crtc is using this pll don't turn
2485			 * off the pll
2486			 */
2487			goto done;
2488		}
2489	}
2490
2491	switch (amdgpu_crtc->pll_id) {
2492	case ATOM_PPLL1:
2493	case ATOM_PPLL2:
2494		/* disable the ppll */
2495		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2496						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2497		break;
2498	case ATOM_PPLL0:
2499		/* disable the ppll */
2500		if ((adev->asic_type == CHIP_KAVERI) ||
2501		    (adev->asic_type == CHIP_BONAIRE) ||
2502		    (adev->asic_type == CHIP_HAWAII))
2503			amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2504						  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2505		break;
2506	default:
2507		break;
2508	}
2509done:
2510	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2511	amdgpu_crtc->adjusted_clock = 0;
2512	amdgpu_crtc->encoder = NULL;
2513	amdgpu_crtc->connector = NULL;
2514}
2515
2516static int dce_v8_0_crtc_mode_set(struct drm_crtc *crtc,
2517				  struct drm_display_mode *mode,
2518				  struct drm_display_mode *adjusted_mode,
2519				  int x, int y, struct drm_framebuffer *old_fb)
2520{
2521	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2522
2523	if (!amdgpu_crtc->adjusted_clock)
2524		return -EINVAL;
2525
2526	amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2527	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2528	dce_v8_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2529	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2530	amdgpu_atombios_crtc_scaler_setup(crtc);
2531	dce_v8_0_cursor_reset(crtc);
2532	/* update the hw version fpr dpm */
2533	amdgpu_crtc->hw_mode = *adjusted_mode;
2534
2535	return 0;
2536}
2537
2538static bool dce_v8_0_crtc_mode_fixup(struct drm_crtc *crtc,
2539				     const struct drm_display_mode *mode,
2540				     struct drm_display_mode *adjusted_mode)
2541{
2542	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2543	struct drm_device *dev = crtc->dev;
2544	struct drm_encoder *encoder;
2545
2546	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2547	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2548		if (encoder->crtc == crtc) {
2549			amdgpu_crtc->encoder = encoder;
2550			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2551			break;
2552		}
2553	}
2554	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2555		amdgpu_crtc->encoder = NULL;
2556		amdgpu_crtc->connector = NULL;
2557		return false;
2558	}
2559	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2560		return false;
2561	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2562		return false;
2563	/* pick pll */
2564	amdgpu_crtc->pll_id = dce_v8_0_pick_pll(crtc);
2565	/* if we can't get a PPLL for a non-DP encoder, fail */
2566	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2567	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2568		return false;
2569
2570	return true;
2571}
2572
2573static int dce_v8_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2574				  struct drm_framebuffer *old_fb)
2575{
2576	return dce_v8_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2577}
2578
2579static int dce_v8_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2580					 struct drm_framebuffer *fb,
2581					 int x, int y, enum mode_set_atomic state)
2582{
2583	return dce_v8_0_crtc_do_set_base(crtc, fb, x, y, 1);
2584}
2585
2586static const struct drm_crtc_helper_funcs dce_v8_0_crtc_helper_funcs = {
2587	.dpms = dce_v8_0_crtc_dpms,
2588	.mode_fixup = dce_v8_0_crtc_mode_fixup,
2589	.mode_set = dce_v8_0_crtc_mode_set,
2590	.mode_set_base = dce_v8_0_crtc_set_base,
2591	.mode_set_base_atomic = dce_v8_0_crtc_set_base_atomic,
2592	.prepare = dce_v8_0_crtc_prepare,
2593	.commit = dce_v8_0_crtc_commit,
2594	.disable = dce_v8_0_crtc_disable,
2595	.get_scanout_position = amdgpu_crtc_get_scanout_position,
2596};
2597
2598static int dce_v8_0_crtc_init(struct amdgpu_device *adev, int index)
2599{
2600	struct amdgpu_crtc *amdgpu_crtc;
2601
2602	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2603			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2604	if (amdgpu_crtc == NULL)
2605		return -ENOMEM;
2606
2607	drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v8_0_crtc_funcs);
2608
2609	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2610	amdgpu_crtc->crtc_id = index;
2611	adev->mode_info.crtcs[index] = amdgpu_crtc;
2612
2613	amdgpu_crtc->max_cursor_width = CIK_CURSOR_WIDTH;
2614	amdgpu_crtc->max_cursor_height = CIK_CURSOR_HEIGHT;
2615	adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2616	adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2617
2618	amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2619
2620	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2621	amdgpu_crtc->adjusted_clock = 0;
2622	amdgpu_crtc->encoder = NULL;
2623	amdgpu_crtc->connector = NULL;
2624	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v8_0_crtc_helper_funcs);
2625
2626	return 0;
2627}
2628
2629static int dce_v8_0_early_init(void *handle)
2630{
2631	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2632
2633	adev->audio_endpt_rreg = &dce_v8_0_audio_endpt_rreg;
2634	adev->audio_endpt_wreg = &dce_v8_0_audio_endpt_wreg;
2635
2636	dce_v8_0_set_display_funcs(adev);
2637
2638	adev->mode_info.num_crtc = dce_v8_0_get_num_crtc(adev);
2639
2640	switch (adev->asic_type) {
2641	case CHIP_BONAIRE:
2642	case CHIP_HAWAII:
2643		adev->mode_info.num_hpd = 6;
2644		adev->mode_info.num_dig = 6;
2645		break;
2646	case CHIP_KAVERI:
2647		adev->mode_info.num_hpd = 6;
2648		adev->mode_info.num_dig = 7;
2649		break;
2650	case CHIP_KABINI:
2651	case CHIP_MULLINS:
2652		adev->mode_info.num_hpd = 6;
2653		adev->mode_info.num_dig = 6; /* ? */
2654		break;
2655	default:
2656		/* FIXME: not supported yet */
2657		return -EINVAL;
2658	}
2659
2660	dce_v8_0_set_irq_funcs(adev);
2661
2662	return 0;
2663}
2664
2665static int dce_v8_0_sw_init(void *handle)
2666{
2667	int r, i;
2668	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2669
2670	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2671		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2672		if (r)
2673			return r;
2674	}
2675
2676	for (i = 8; i < 20; i += 2) {
2677		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2678		if (r)
2679			return r;
2680	}
2681
2682	/* HPD hotplug */
2683	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2684	if (r)
2685		return r;
2686
2687	adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2688
2689	adev_to_drm(adev)->mode_config.async_page_flip = true;
2690
2691	adev_to_drm(adev)->mode_config.max_width = 16384;
2692	adev_to_drm(adev)->mode_config.max_height = 16384;
2693
2694	adev_to_drm(adev)->mode_config.preferred_depth = 24;
2695	if (adev->asic_type == CHIP_HAWAII)
2696		/* disable prefer shadow for now due to hibernation issues */
2697		adev_to_drm(adev)->mode_config.prefer_shadow = 0;
2698	else
2699		adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2700
2701	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2702
2703	r = amdgpu_display_modeset_create_props(adev);
2704	if (r)
2705		return r;
2706
2707	adev_to_drm(adev)->mode_config.max_width = 16384;
2708	adev_to_drm(adev)->mode_config.max_height = 16384;
2709
2710	/* allocate crtcs */
2711	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2712		r = dce_v8_0_crtc_init(adev, i);
2713		if (r)
2714			return r;
2715	}
2716
2717	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2718		amdgpu_display_print_display_setup(adev_to_drm(adev));
2719	else
2720		return -EINVAL;
2721
2722	/* setup afmt */
2723	r = dce_v8_0_afmt_init(adev);
2724	if (r)
2725		return r;
2726
2727	r = dce_v8_0_audio_init(adev);
2728	if (r)
2729		return r;
2730
2731	/* Disable vblank IRQs aggressively for power-saving */
2732	/* XXX: can this be enabled for DC? */
2733	adev_to_drm(adev)->vblank_disable_immediate = true;
2734
2735	r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2736	if (r)
2737		return r;
2738
2739	/* Pre-DCE11 */
2740	INIT_DELAYED_WORK(&adev->hotplug_work,
2741		  amdgpu_display_hotplug_work_func);
2742
2743	drm_kms_helper_poll_init(adev_to_drm(adev));
2744
2745	adev->mode_info.mode_config_initialized = true;
2746	return 0;
2747}
2748
2749static int dce_v8_0_sw_fini(void *handle)
2750{
2751	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2752
2753	kfree(adev->mode_info.bios_hardcoded_edid);
2754
2755	drm_kms_helper_poll_fini(adev_to_drm(adev));
2756
2757	dce_v8_0_audio_fini(adev);
2758
2759	dce_v8_0_afmt_fini(adev);
2760
2761	drm_mode_config_cleanup(adev_to_drm(adev));
2762	adev->mode_info.mode_config_initialized = false;
2763
2764	return 0;
2765}
2766
2767static int dce_v8_0_hw_init(void *handle)
2768{
2769	int i;
2770	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2771
2772	/* disable vga render */
2773	dce_v8_0_set_vga_render_state(adev, false);
2774	/* init dig PHYs, disp eng pll */
2775	amdgpu_atombios_encoder_init_dig(adev);
2776	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2777
2778	/* initialize hpd */
2779	dce_v8_0_hpd_init(adev);
2780
2781	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2782		dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2783	}
2784
2785	dce_v8_0_pageflip_interrupt_init(adev);
2786
2787	return 0;
2788}
2789
2790static int dce_v8_0_hw_fini(void *handle)
2791{
2792	int i;
2793	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2794
2795	dce_v8_0_hpd_fini(adev);
2796
2797	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2798		dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2799	}
2800
2801	dce_v8_0_pageflip_interrupt_fini(adev);
2802
2803	flush_delayed_work(&adev->hotplug_work);
2804
2805	return 0;
2806}
2807
2808static int dce_v8_0_suspend(void *handle)
2809{
2810	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2811	int r;
2812
2813	r = amdgpu_display_suspend_helper(adev);
2814	if (r)
2815		return r;
2816
2817	adev->mode_info.bl_level =
2818		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2819
2820	return dce_v8_0_hw_fini(handle);
2821}
2822
2823static int dce_v8_0_resume(void *handle)
2824{
2825	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2826	int ret;
2827
2828	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2829							   adev->mode_info.bl_level);
2830
2831	ret = dce_v8_0_hw_init(handle);
2832
2833	/* turn on the BL */
2834	if (adev->mode_info.bl_encoder) {
2835		u8 bl_level = amdgpu_display_backlight_get_level(adev,
2836								  adev->mode_info.bl_encoder);
2837		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2838						    bl_level);
2839	}
2840	if (ret)
2841		return ret;
2842
2843	return amdgpu_display_resume_helper(adev);
2844}
2845
2846static bool dce_v8_0_is_idle(void *handle)
2847{
2848	return true;
2849}
2850
2851static int dce_v8_0_wait_for_idle(void *handle)
2852{
2853	return 0;
2854}
2855
2856static int dce_v8_0_soft_reset(void *handle)
2857{
2858	u32 srbm_soft_reset = 0, tmp;
2859	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2860
2861	if (dce_v8_0_is_display_hung(adev))
2862		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
2863
2864	if (srbm_soft_reset) {
2865		tmp = RREG32(mmSRBM_SOFT_RESET);
2866		tmp |= srbm_soft_reset;
2867		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
2868		WREG32(mmSRBM_SOFT_RESET, tmp);
2869		tmp = RREG32(mmSRBM_SOFT_RESET);
2870
2871		udelay(50);
2872
2873		tmp &= ~srbm_soft_reset;
2874		WREG32(mmSRBM_SOFT_RESET, tmp);
2875		tmp = RREG32(mmSRBM_SOFT_RESET);
2876
2877		/* Wait a little for things to settle down */
2878		udelay(50);
2879	}
2880	return 0;
2881}
2882
2883static void dce_v8_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2884						     int crtc,
2885						     enum amdgpu_interrupt_state state)
2886{
2887	u32 reg_block, lb_interrupt_mask;
2888
2889	if (crtc >= adev->mode_info.num_crtc) {
2890		DRM_DEBUG("invalid crtc %d\n", crtc);
2891		return;
2892	}
2893
2894	switch (crtc) {
2895	case 0:
2896		reg_block = CRTC0_REGISTER_OFFSET;
2897		break;
2898	case 1:
2899		reg_block = CRTC1_REGISTER_OFFSET;
2900		break;
2901	case 2:
2902		reg_block = CRTC2_REGISTER_OFFSET;
2903		break;
2904	case 3:
2905		reg_block = CRTC3_REGISTER_OFFSET;
2906		break;
2907	case 4:
2908		reg_block = CRTC4_REGISTER_OFFSET;
2909		break;
2910	case 5:
2911		reg_block = CRTC5_REGISTER_OFFSET;
2912		break;
2913	default:
2914		DRM_DEBUG("invalid crtc %d\n", crtc);
2915		return;
2916	}
2917
2918	switch (state) {
2919	case AMDGPU_IRQ_STATE_DISABLE:
2920		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2921		lb_interrupt_mask &= ~LB_INTERRUPT_MASK__VBLANK_INTERRUPT_MASK_MASK;
2922		WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2923		break;
2924	case AMDGPU_IRQ_STATE_ENABLE:
2925		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2926		lb_interrupt_mask |= LB_INTERRUPT_MASK__VBLANK_INTERRUPT_MASK_MASK;
2927		WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2928		break;
2929	default:
2930		break;
2931	}
2932}
2933
2934static void dce_v8_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2935						    int crtc,
2936						    enum amdgpu_interrupt_state state)
2937{
2938	u32 reg_block, lb_interrupt_mask;
2939
2940	if (crtc >= adev->mode_info.num_crtc) {
2941		DRM_DEBUG("invalid crtc %d\n", crtc);
2942		return;
2943	}
2944
2945	switch (crtc) {
2946	case 0:
2947		reg_block = CRTC0_REGISTER_OFFSET;
2948		break;
2949	case 1:
2950		reg_block = CRTC1_REGISTER_OFFSET;
2951		break;
2952	case 2:
2953		reg_block = CRTC2_REGISTER_OFFSET;
2954		break;
2955	case 3:
2956		reg_block = CRTC3_REGISTER_OFFSET;
2957		break;
2958	case 4:
2959		reg_block = CRTC4_REGISTER_OFFSET;
2960		break;
2961	case 5:
2962		reg_block = CRTC5_REGISTER_OFFSET;
2963		break;
2964	default:
2965		DRM_DEBUG("invalid crtc %d\n", crtc);
2966		return;
2967	}
2968
2969	switch (state) {
2970	case AMDGPU_IRQ_STATE_DISABLE:
2971		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2972		lb_interrupt_mask &= ~LB_INTERRUPT_MASK__VLINE_INTERRUPT_MASK_MASK;
2973		WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2974		break;
2975	case AMDGPU_IRQ_STATE_ENABLE:
2976		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2977		lb_interrupt_mask |= LB_INTERRUPT_MASK__VLINE_INTERRUPT_MASK_MASK;
2978		WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2979		break;
2980	default:
2981		break;
2982	}
2983}
2984
2985static int dce_v8_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2986					    struct amdgpu_irq_src *src,
2987					    unsigned type,
2988					    enum amdgpu_interrupt_state state)
2989{
2990	u32 dc_hpd_int_cntl;
2991
2992	if (type >= adev->mode_info.num_hpd) {
2993		DRM_DEBUG("invalid hdp %d\n", type);
2994		return 0;
2995	}
2996
2997	switch (state) {
2998	case AMDGPU_IRQ_STATE_DISABLE:
2999		dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
3000		dc_hpd_int_cntl &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
3001		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
3002		break;
3003	case AMDGPU_IRQ_STATE_ENABLE:
3004		dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
3005		dc_hpd_int_cntl |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
3006		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
3007		break;
3008	default:
3009		break;
3010	}
3011
3012	return 0;
3013}
3014
3015static int dce_v8_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
3016					     struct amdgpu_irq_src *src,
3017					     unsigned type,
3018					     enum amdgpu_interrupt_state state)
3019{
3020	switch (type) {
3021	case AMDGPU_CRTC_IRQ_VBLANK1:
3022		dce_v8_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3023		break;
3024	case AMDGPU_CRTC_IRQ_VBLANK2:
3025		dce_v8_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3026		break;
3027	case AMDGPU_CRTC_IRQ_VBLANK3:
3028		dce_v8_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3029		break;
3030	case AMDGPU_CRTC_IRQ_VBLANK4:
3031		dce_v8_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3032		break;
3033	case AMDGPU_CRTC_IRQ_VBLANK5:
3034		dce_v8_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3035		break;
3036	case AMDGPU_CRTC_IRQ_VBLANK6:
3037		dce_v8_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3038		break;
3039	case AMDGPU_CRTC_IRQ_VLINE1:
3040		dce_v8_0_set_crtc_vline_interrupt_state(adev, 0, state);
3041		break;
3042	case AMDGPU_CRTC_IRQ_VLINE2:
3043		dce_v8_0_set_crtc_vline_interrupt_state(adev, 1, state);
3044		break;
3045	case AMDGPU_CRTC_IRQ_VLINE3:
3046		dce_v8_0_set_crtc_vline_interrupt_state(adev, 2, state);
3047		break;
3048	case AMDGPU_CRTC_IRQ_VLINE4:
3049		dce_v8_0_set_crtc_vline_interrupt_state(adev, 3, state);
3050		break;
3051	case AMDGPU_CRTC_IRQ_VLINE5:
3052		dce_v8_0_set_crtc_vline_interrupt_state(adev, 4, state);
3053		break;
3054	case AMDGPU_CRTC_IRQ_VLINE6:
3055		dce_v8_0_set_crtc_vline_interrupt_state(adev, 5, state);
3056		break;
3057	default:
3058		break;
3059	}
3060	return 0;
3061}
3062
3063static int dce_v8_0_crtc_irq(struct amdgpu_device *adev,
3064			     struct amdgpu_irq_src *source,
3065			     struct amdgpu_iv_entry *entry)
3066{
3067	unsigned crtc = entry->src_id - 1;
3068	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3069	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3070								    crtc);
3071
3072	switch (entry->src_data[0]) {
3073	case 0: /* vblank */
3074		if (disp_int & interrupt_status_offsets[crtc].vblank)
3075			WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], LB_VBLANK_STATUS__VBLANK_ACK_MASK);
3076		else
3077			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3078
3079		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3080			drm_handle_vblank(adev_to_drm(adev), crtc);
3081		}
3082		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3083		break;
3084	case 1: /* vline */
3085		if (disp_int & interrupt_status_offsets[crtc].vline)
3086			WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], LB_VLINE_STATUS__VLINE_ACK_MASK);
3087		else
3088			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3089
3090		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3091		break;
3092	default:
3093		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3094		break;
3095	}
3096
3097	return 0;
3098}
3099
3100static int dce_v8_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
3101						 struct amdgpu_irq_src *src,
3102						 unsigned type,
3103						 enum amdgpu_interrupt_state state)
3104{
3105	u32 reg;
3106
3107	if (type >= adev->mode_info.num_crtc) {
3108		DRM_ERROR("invalid pageflip crtc %d\n", type);
3109		return -EINVAL;
3110	}
3111
3112	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3113	if (state == AMDGPU_IRQ_STATE_DISABLE)
3114		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3115		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3116	else
3117		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3118		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3119
3120	return 0;
3121}
3122
3123static int dce_v8_0_pageflip_irq(struct amdgpu_device *adev,
3124				struct amdgpu_irq_src *source,
3125				struct amdgpu_iv_entry *entry)
3126{
3127	unsigned long flags;
3128	unsigned crtc_id;
3129	struct amdgpu_crtc *amdgpu_crtc;
3130	struct amdgpu_flip_work *works;
3131
3132	crtc_id = (entry->src_id - 8) >> 1;
3133	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3134
3135	if (crtc_id >= adev->mode_info.num_crtc) {
3136		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3137		return -EINVAL;
3138	}
3139
3140	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3141	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3142		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3143		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3144
3145	/* IRQ could occur when in initial stage */
3146	if (amdgpu_crtc == NULL)
3147		return 0;
3148
3149	spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3150	works = amdgpu_crtc->pflip_works;
3151	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
3152		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3153						"AMDGPU_FLIP_SUBMITTED(%d)\n",
3154						amdgpu_crtc->pflip_status,
3155						AMDGPU_FLIP_SUBMITTED);
3156		spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3157		return 0;
3158	}
3159
3160	/* page flip completed. clean up */
3161	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3162	amdgpu_crtc->pflip_works = NULL;
3163
3164	/* wakeup usersapce */
3165	if (works->event)
3166		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3167
3168	spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3169
3170	drm_crtc_vblank_put(&amdgpu_crtc->base);
3171	schedule_work(&works->unpin_work);
3172
3173	return 0;
3174}
3175
3176static int dce_v8_0_hpd_irq(struct amdgpu_device *adev,
3177			    struct amdgpu_irq_src *source,
3178			    struct amdgpu_iv_entry *entry)
3179{
3180	uint32_t disp_int, mask, tmp;
3181	unsigned hpd;
3182
3183	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3184		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3185		return 0;
3186	}
3187
3188	hpd = entry->src_data[0];
3189	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3190	mask = interrupt_status_offsets[hpd].hpd;
3191
3192	if (disp_int & mask) {
3193		tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
3194		tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
3195		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
3196		schedule_delayed_work(&adev->hotplug_work, 0);
3197		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3198	}
3199
3200	return 0;
3201
3202}
3203
3204static int dce_v8_0_set_clockgating_state(void *handle,
3205					  enum amd_clockgating_state state)
3206{
3207	return 0;
3208}
3209
3210static int dce_v8_0_set_powergating_state(void *handle,
3211					  enum amd_powergating_state state)
3212{
3213	return 0;
3214}
3215
3216static const struct amd_ip_funcs dce_v8_0_ip_funcs = {
3217	.name = "dce_v8_0",
3218	.early_init = dce_v8_0_early_init,
3219	.late_init = NULL,
3220	.sw_init = dce_v8_0_sw_init,
3221	.sw_fini = dce_v8_0_sw_fini,
3222	.hw_init = dce_v8_0_hw_init,
3223	.hw_fini = dce_v8_0_hw_fini,
3224	.suspend = dce_v8_0_suspend,
3225	.resume = dce_v8_0_resume,
3226	.is_idle = dce_v8_0_is_idle,
3227	.wait_for_idle = dce_v8_0_wait_for_idle,
3228	.soft_reset = dce_v8_0_soft_reset,
3229	.set_clockgating_state = dce_v8_0_set_clockgating_state,
3230	.set_powergating_state = dce_v8_0_set_powergating_state,
3231};
3232
3233static void
3234dce_v8_0_encoder_mode_set(struct drm_encoder *encoder,
3235			  struct drm_display_mode *mode,
3236			  struct drm_display_mode *adjusted_mode)
3237{
3238	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3239
3240	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3241
3242	/* need to call this here rather than in prepare() since we need some crtc info */
3243	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3244
3245	/* set scaler clears this on some chips */
3246	dce_v8_0_set_interleave(encoder->crtc, mode);
3247
3248	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3249		dce_v8_0_afmt_enable(encoder, true);
3250		dce_v8_0_afmt_setmode(encoder, adjusted_mode);
3251	}
3252}
3253
3254static void dce_v8_0_encoder_prepare(struct drm_encoder *encoder)
3255{
3256	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3257	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3258	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3259
3260	if ((amdgpu_encoder->active_device &
3261	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3262	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3263	     ENCODER_OBJECT_ID_NONE)) {
3264		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3265		if (dig) {
3266			dig->dig_encoder = dce_v8_0_pick_dig_encoder(encoder);
3267			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3268				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3269		}
3270	}
3271
3272	amdgpu_atombios_scratch_regs_lock(adev, true);
3273
3274	if (connector) {
3275		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3276
3277		/* select the clock/data port if it uses a router */
3278		if (amdgpu_connector->router.cd_valid)
3279			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3280
3281		/* turn eDP panel on for mode set */
3282		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3283			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3284							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3285	}
3286
3287	/* this is needed for the pll/ss setup to work correctly in some cases */
3288	amdgpu_atombios_encoder_set_crtc_source(encoder);
3289	/* set up the FMT blocks */
3290	dce_v8_0_program_fmt(encoder);
3291}
3292
3293static void dce_v8_0_encoder_commit(struct drm_encoder *encoder)
3294{
3295	struct drm_device *dev = encoder->dev;
3296	struct amdgpu_device *adev = drm_to_adev(dev);
3297
3298	/* need to call this here as we need the crtc set up */
3299	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3300	amdgpu_atombios_scratch_regs_lock(adev, false);
3301}
3302
3303static void dce_v8_0_encoder_disable(struct drm_encoder *encoder)
3304{
3305	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3306	struct amdgpu_encoder_atom_dig *dig;
3307
3308	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3309
3310	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3311		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3312			dce_v8_0_afmt_enable(encoder, false);
3313		dig = amdgpu_encoder->enc_priv;
3314		dig->dig_encoder = -1;
3315	}
3316	amdgpu_encoder->active_device = 0;
3317}
3318
3319/* these are handled by the primary encoders */
3320static void dce_v8_0_ext_prepare(struct drm_encoder *encoder)
3321{
3322
3323}
3324
3325static void dce_v8_0_ext_commit(struct drm_encoder *encoder)
3326{
3327
3328}
3329
3330static void
3331dce_v8_0_ext_mode_set(struct drm_encoder *encoder,
3332		      struct drm_display_mode *mode,
3333		      struct drm_display_mode *adjusted_mode)
3334{
3335
3336}
3337
3338static void dce_v8_0_ext_disable(struct drm_encoder *encoder)
3339{
3340
3341}
3342
3343static void
3344dce_v8_0_ext_dpms(struct drm_encoder *encoder, int mode)
3345{
3346
3347}
3348
3349static const struct drm_encoder_helper_funcs dce_v8_0_ext_helper_funcs = {
3350	.dpms = dce_v8_0_ext_dpms,
3351	.prepare = dce_v8_0_ext_prepare,
3352	.mode_set = dce_v8_0_ext_mode_set,
3353	.commit = dce_v8_0_ext_commit,
3354	.disable = dce_v8_0_ext_disable,
3355	/* no detect for TMDS/LVDS yet */
3356};
3357
3358static const struct drm_encoder_helper_funcs dce_v8_0_dig_helper_funcs = {
3359	.dpms = amdgpu_atombios_encoder_dpms,
3360	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3361	.prepare = dce_v8_0_encoder_prepare,
3362	.mode_set = dce_v8_0_encoder_mode_set,
3363	.commit = dce_v8_0_encoder_commit,
3364	.disable = dce_v8_0_encoder_disable,
3365	.detect = amdgpu_atombios_encoder_dig_detect,
3366};
3367
3368static const struct drm_encoder_helper_funcs dce_v8_0_dac_helper_funcs = {
3369	.dpms = amdgpu_atombios_encoder_dpms,
3370	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3371	.prepare = dce_v8_0_encoder_prepare,
3372	.mode_set = dce_v8_0_encoder_mode_set,
3373	.commit = dce_v8_0_encoder_commit,
3374	.detect = amdgpu_atombios_encoder_dac_detect,
3375};
3376
3377static void dce_v8_0_encoder_destroy(struct drm_encoder *encoder)
3378{
3379	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3380	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3381		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3382	kfree(amdgpu_encoder->enc_priv);
3383	drm_encoder_cleanup(encoder);
3384	kfree(amdgpu_encoder);
3385}
3386
3387static const struct drm_encoder_funcs dce_v8_0_encoder_funcs = {
3388	.destroy = dce_v8_0_encoder_destroy,
3389};
3390
3391static void dce_v8_0_encoder_add(struct amdgpu_device *adev,
3392				 uint32_t encoder_enum,
3393				 uint32_t supported_device,
3394				 u16 caps)
3395{
3396	struct drm_device *dev = adev_to_drm(adev);
3397	struct drm_encoder *encoder;
3398	struct amdgpu_encoder *amdgpu_encoder;
3399
3400	/* see if we already added it */
3401	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3402		amdgpu_encoder = to_amdgpu_encoder(encoder);
3403		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3404			amdgpu_encoder->devices |= supported_device;
3405			return;
3406		}
3407
3408	}
3409
3410	/* add a new one */
3411	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3412	if (!amdgpu_encoder)
3413		return;
3414
3415	encoder = &amdgpu_encoder->base;
3416	switch (adev->mode_info.num_crtc) {
3417	case 1:
3418		encoder->possible_crtcs = 0x1;
3419		break;
3420	case 2:
3421	default:
3422		encoder->possible_crtcs = 0x3;
3423		break;
3424	case 4:
3425		encoder->possible_crtcs = 0xf;
3426		break;
3427	case 6:
3428		encoder->possible_crtcs = 0x3f;
3429		break;
3430	}
3431
3432	amdgpu_encoder->enc_priv = NULL;
3433
3434	amdgpu_encoder->encoder_enum = encoder_enum;
3435	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3436	amdgpu_encoder->devices = supported_device;
3437	amdgpu_encoder->rmx_type = RMX_OFF;
3438	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3439	amdgpu_encoder->is_ext_encoder = false;
3440	amdgpu_encoder->caps = caps;
3441
3442	switch (amdgpu_encoder->encoder_id) {
3443	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3444	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3445		drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3446				 DRM_MODE_ENCODER_DAC, NULL);
3447		drm_encoder_helper_add(encoder, &dce_v8_0_dac_helper_funcs);
3448		break;
3449	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3450	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3451	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3452	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3453	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3454		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3455			amdgpu_encoder->rmx_type = RMX_FULL;
3456			drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3457					 DRM_MODE_ENCODER_LVDS, NULL);
3458			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3459		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3460			drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3461					 DRM_MODE_ENCODER_DAC, NULL);
3462			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3463		} else {
3464			drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3465					 DRM_MODE_ENCODER_TMDS, NULL);
3466			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3467		}
3468		drm_encoder_helper_add(encoder, &dce_v8_0_dig_helper_funcs);
3469		break;
3470	case ENCODER_OBJECT_ID_SI170B:
3471	case ENCODER_OBJECT_ID_CH7303:
3472	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3473	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3474	case ENCODER_OBJECT_ID_TITFP513:
3475	case ENCODER_OBJECT_ID_VT1623:
3476	case ENCODER_OBJECT_ID_HDMI_SI1930:
3477	case ENCODER_OBJECT_ID_TRAVIS:
3478	case ENCODER_OBJECT_ID_NUTMEG:
3479		/* these are handled by the primary encoders */
3480		amdgpu_encoder->is_ext_encoder = true;
3481		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3482			drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3483					 DRM_MODE_ENCODER_LVDS, NULL);
3484		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3485			drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3486					 DRM_MODE_ENCODER_DAC, NULL);
3487		else
3488			drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3489					 DRM_MODE_ENCODER_TMDS, NULL);
3490		drm_encoder_helper_add(encoder, &dce_v8_0_ext_helper_funcs);
3491		break;
3492	}
3493}
3494
3495static const struct amdgpu_display_funcs dce_v8_0_display_funcs = {
3496	.bandwidth_update = &dce_v8_0_bandwidth_update,
3497	.vblank_get_counter = &dce_v8_0_vblank_get_counter,
3498	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3499	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3500	.hpd_sense = &dce_v8_0_hpd_sense,
3501	.hpd_set_polarity = &dce_v8_0_hpd_set_polarity,
3502	.hpd_get_gpio_reg = &dce_v8_0_hpd_get_gpio_reg,
3503	.page_flip = &dce_v8_0_page_flip,
3504	.page_flip_get_scanoutpos = &dce_v8_0_crtc_get_scanoutpos,
3505	.add_encoder = &dce_v8_0_encoder_add,
3506	.add_connector = &amdgpu_connector_add,
3507};
3508
3509static void dce_v8_0_set_display_funcs(struct amdgpu_device *adev)
3510{
3511	adev->mode_info.funcs = &dce_v8_0_display_funcs;
3512}
3513
3514static const struct amdgpu_irq_src_funcs dce_v8_0_crtc_irq_funcs = {
3515	.set = dce_v8_0_set_crtc_interrupt_state,
3516	.process = dce_v8_0_crtc_irq,
3517};
3518
3519static const struct amdgpu_irq_src_funcs dce_v8_0_pageflip_irq_funcs = {
3520	.set = dce_v8_0_set_pageflip_interrupt_state,
3521	.process = dce_v8_0_pageflip_irq,
3522};
3523
3524static const struct amdgpu_irq_src_funcs dce_v8_0_hpd_irq_funcs = {
3525	.set = dce_v8_0_set_hpd_interrupt_state,
3526	.process = dce_v8_0_hpd_irq,
3527};
3528
3529static void dce_v8_0_set_irq_funcs(struct amdgpu_device *adev)
3530{
3531	if (adev->mode_info.num_crtc > 0)
3532		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3533	else
3534		adev->crtc_irq.num_types = 0;
3535	adev->crtc_irq.funcs = &dce_v8_0_crtc_irq_funcs;
3536
3537	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3538	adev->pageflip_irq.funcs = &dce_v8_0_pageflip_irq_funcs;
3539
3540	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3541	adev->hpd_irq.funcs = &dce_v8_0_hpd_irq_funcs;
3542}
3543
3544const struct amdgpu_ip_block_version dce_v8_0_ip_block = {
3545	.type = AMD_IP_BLOCK_TYPE_DCE,
3546	.major = 8,
3547	.minor = 0,
3548	.rev = 0,
3549	.funcs = &dce_v8_0_ip_funcs,
3550};
3551
3552const struct amdgpu_ip_block_version dce_v8_1_ip_block = {
3553	.type = AMD_IP_BLOCK_TYPE_DCE,
3554	.major = 8,
3555	.minor = 1,
3556	.rev = 0,
3557	.funcs = &dce_v8_0_ip_funcs,
3558};
3559
3560const struct amdgpu_ip_block_version dce_v8_2_ip_block = {
3561	.type = AMD_IP_BLOCK_TYPE_DCE,
3562	.major = 8,
3563	.minor = 2,
3564	.rev = 0,
3565	.funcs = &dce_v8_0_ip_funcs,
3566};
3567
3568const struct amdgpu_ip_block_version dce_v8_3_ip_block = {
3569	.type = AMD_IP_BLOCK_TYPE_DCE,
3570	.major = 8,
3571	.minor = 3,
3572	.rev = 0,
3573	.funcs = &dce_v8_0_ip_funcs,
3574};
3575
3576const struct amdgpu_ip_block_version dce_v8_5_ip_block = {
3577	.type = AMD_IP_BLOCK_TYPE_DCE,
3578	.major = 8,
3579	.minor = 5,
3580	.rev = 0,
3581	.funcs = &dce_v8_0_ip_funcs,
3582};