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v6.13.7
   1/*
   2 * Copyright 2008 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 * Copyright 2009 Jerome Glisse.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22 * OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 * Authors: Dave Airlie
  25 *          Alex Deucher
  26 *          Jerome Glisse
  27 */
  28
  29#include <linux/debugfs.h>
  30#include <linux/seq_file.h>
  31#include <linux/slab.h>
  32
 
  33#include <drm/drm_device.h>
  34#include <drm/drm_file.h>
  35
  36#include "atom.h"
  37#include "radeon.h"
  38#include "radeon_asic.h"
  39#include "rv515_reg_safe.h"
  40#include "rv515d.h"
  41
  42/* This files gather functions specifics to: rv515 */
 
 
  43static void rv515_gpu_init(struct radeon_device *rdev);
  44int rv515_mc_wait_for_idle(struct radeon_device *rdev);
  45
  46static const u32 crtc_offsets[2] = {
 
  47	0,
  48	AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
  49};
  50
 
 
 
 
 
 
 
 
 
 
 
 
 
  51void rv515_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
  52{
  53	int r;
  54
  55	r = radeon_ring_lock(rdev, ring, 64);
  56	if (r) {
  57		return;
  58	}
  59	radeon_ring_write(ring, PACKET0(ISYNC_CNTL, 0));
  60	radeon_ring_write(ring,
  61			  ISYNC_ANY2D_IDLE3D |
  62			  ISYNC_ANY3D_IDLE2D |
  63			  ISYNC_WAIT_IDLEGUI |
  64			  ISYNC_CPSCRATCH_IDLEGUI);
  65	radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
  66	radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
  67	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
  68	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
  69	radeon_ring_write(ring, PACKET0(GB_SELECT, 0));
  70	radeon_ring_write(ring, 0);
  71	radeon_ring_write(ring, PACKET0(GB_ENABLE, 0));
  72	radeon_ring_write(ring, 0);
  73	radeon_ring_write(ring, PACKET0(R500_SU_REG_DEST, 0));
  74	radeon_ring_write(ring, (1 << rdev->num_gb_pipes) - 1);
  75	radeon_ring_write(ring, PACKET0(VAP_INDEX_OFFSET, 0));
  76	radeon_ring_write(ring, 0);
  77	radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
  78	radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
  79	radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
  80	radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
  81	radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
  82	radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
  83	radeon_ring_write(ring, PACKET0(GB_AA_CONFIG, 0));
  84	radeon_ring_write(ring, 0);
  85	radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
  86	radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
  87	radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
  88	radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
  89	radeon_ring_write(ring, PACKET0(GB_MSPOS0, 0));
  90	radeon_ring_write(ring,
  91			  ((6 << MS_X0_SHIFT) |
  92			   (6 << MS_Y0_SHIFT) |
  93			   (6 << MS_X1_SHIFT) |
  94			   (6 << MS_Y1_SHIFT) |
  95			   (6 << MS_X2_SHIFT) |
  96			   (6 << MS_Y2_SHIFT) |
  97			   (6 << MSBD0_Y_SHIFT) |
  98			   (6 << MSBD0_X_SHIFT)));
  99	radeon_ring_write(ring, PACKET0(GB_MSPOS1, 0));
 100	radeon_ring_write(ring,
 101			  ((6 << MS_X3_SHIFT) |
 102			   (6 << MS_Y3_SHIFT) |
 103			   (6 << MS_X4_SHIFT) |
 104			   (6 << MS_Y4_SHIFT) |
 105			   (6 << MS_X5_SHIFT) |
 106			   (6 << MS_Y5_SHIFT) |
 107			   (6 << MSBD1_SHIFT)));
 108	radeon_ring_write(ring, PACKET0(GA_ENHANCE, 0));
 109	radeon_ring_write(ring, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL);
 110	radeon_ring_write(ring, PACKET0(GA_POLY_MODE, 0));
 111	radeon_ring_write(ring, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE);
 112	radeon_ring_write(ring, PACKET0(GA_ROUND_MODE, 0));
 113	radeon_ring_write(ring, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST);
 114	radeon_ring_write(ring, PACKET0(0x20C8, 0));
 115	radeon_ring_write(ring, 0);
 116	radeon_ring_unlock_commit(rdev, ring, false);
 117}
 118
 119int rv515_mc_wait_for_idle(struct radeon_device *rdev)
 120{
 121	unsigned i;
 122	uint32_t tmp;
 123
 124	for (i = 0; i < rdev->usec_timeout; i++) {
 125		/* read MC_STATUS */
 126		tmp = RREG32_MC(MC_STATUS);
 127		if (tmp & MC_STATUS_IDLE) {
 128			return 0;
 129		}
 130		udelay(1);
 131	}
 132	return -1;
 133}
 134
 135void rv515_vga_render_disable(struct radeon_device *rdev)
 136{
 137	WREG32(R_000300_VGA_RENDER_CONTROL,
 138		RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
 139}
 140
 141static void rv515_gpu_init(struct radeon_device *rdev)
 142{
 143	unsigned pipe_select_current, gb_pipe_select, tmp;
 144
 145	if (r100_gui_wait_for_idle(rdev)) {
 146		pr_warn("Failed to wait GUI idle while resetting GPU. Bad things might happen.\n");
 147	}
 148	rv515_vga_render_disable(rdev);
 149	r420_pipes_init(rdev);
 150	gb_pipe_select = RREG32(R400_GB_PIPE_SELECT);
 151	tmp = RREG32(R300_DST_PIPE_CONFIG);
 152	pipe_select_current = (tmp >> 2) & 3;
 153	tmp = (1 << pipe_select_current) |
 154	      (((gb_pipe_select >> 8) & 0xF) << 4);
 155	WREG32_PLL(0x000D, tmp);
 156	if (r100_gui_wait_for_idle(rdev)) {
 157		pr_warn("Failed to wait GUI idle while resetting GPU. Bad things might happen.\n");
 158	}
 159	if (rv515_mc_wait_for_idle(rdev)) {
 160		pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
 161	}
 162}
 163
 164static void rv515_vram_get_type(struct radeon_device *rdev)
 165{
 166	uint32_t tmp;
 167
 168	rdev->mc.vram_width = 128;
 169	rdev->mc.vram_is_ddr = true;
 170	tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK;
 171	switch (tmp) {
 172	case 0:
 173		rdev->mc.vram_width = 64;
 174		break;
 175	case 1:
 176		rdev->mc.vram_width = 128;
 177		break;
 178	default:
 179		rdev->mc.vram_width = 128;
 180		break;
 181	}
 182}
 183
 184static void rv515_mc_init(struct radeon_device *rdev)
 185{
 186
 187	rv515_vram_get_type(rdev);
 188	r100_vram_init_sizes(rdev);
 189	radeon_vram_location(rdev, &rdev->mc, 0);
 190	rdev->mc.gtt_base_align = 0;
 191	if (!(rdev->flags & RADEON_IS_AGP))
 192		radeon_gtt_location(rdev, &rdev->mc);
 193	radeon_update_bandwidth_info(rdev);
 194}
 195
 196uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
 197{
 198	unsigned long flags;
 199	uint32_t r;
 200
 201	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
 202	WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff));
 203	r = RREG32(MC_IND_DATA);
 204	WREG32(MC_IND_INDEX, 0);
 205	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
 206
 207	return r;
 208}
 209
 210void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 211{
 212	unsigned long flags;
 213
 214	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
 215	WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff));
 216	WREG32(MC_IND_DATA, (v));
 217	WREG32(MC_IND_INDEX, 0);
 218	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
 219}
 220
 221#if defined(CONFIG_DEBUG_FS)
 222static int rv515_debugfs_pipes_info_show(struct seq_file *m, void *unused)
 223{
 224	struct radeon_device *rdev = m->private;
 
 
 225	uint32_t tmp;
 226
 227	tmp = RREG32(GB_PIPE_SELECT);
 228	seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
 229	tmp = RREG32(SU_REG_DEST);
 230	seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp);
 231	tmp = RREG32(GB_TILE_CONFIG);
 232	seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
 233	tmp = RREG32(DST_PIPE_CONFIG);
 234	seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
 235	return 0;
 236}
 237
 238static int rv515_debugfs_ga_info_show(struct seq_file *m, void *unused)
 239{
 240	struct radeon_device *rdev = m->private;
 
 
 241	uint32_t tmp;
 242
 243	tmp = RREG32(0x2140);
 244	seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp);
 245	radeon_asic_reset(rdev);
 246	tmp = RREG32(0x425C);
 247	seq_printf(m, "GA_IDLE 0x%08x\n", tmp);
 248	return 0;
 249}
 250
 251DEFINE_SHOW_ATTRIBUTE(rv515_debugfs_pipes_info);
 252DEFINE_SHOW_ATTRIBUTE(rv515_debugfs_ga_info);
 
 
 
 
 
 253#endif
 254
 255void rv515_debugfs(struct radeon_device *rdev)
 256{
 257#if defined(CONFIG_DEBUG_FS)
 258	struct dentry *root = rdev_to_drm(rdev)->primary->debugfs_root;
 
 
 
 
 259
 260	debugfs_create_file("rv515_pipes_info", 0444, root, rdev,
 261			    &rv515_debugfs_pipes_info_fops);
 262	debugfs_create_file("rv515_ga_info", 0444, root, rdev,
 263			    &rv515_debugfs_ga_info_fops);
 
 
 264#endif
 265	r100_debugfs_rbbm_init(rdev);
 266}
 267
 268void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
 269{
 270	u32 crtc_enabled, tmp, frame_count, blackout;
 271	int i, j;
 272
 273	save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
 274	save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
 275
 276	/* disable VGA render */
 277	WREG32(R_000300_VGA_RENDER_CONTROL, 0);
 278	/* blank the display controllers */
 279	for (i = 0; i < rdev->num_crtc; i++) {
 280		crtc_enabled = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN;
 281		if (crtc_enabled) {
 282			save->crtc_enabled[i] = true;
 283			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
 284			if (!(tmp & AVIVO_CRTC_DISP_READ_REQUEST_DISABLE)) {
 285				radeon_wait_for_vblank(rdev, i);
 286				WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 287				tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
 288				WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
 289				WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 290			}
 291			/* wait for the next frame */
 292			frame_count = radeon_get_vblank_counter(rdev, i);
 293			for (j = 0; j < rdev->usec_timeout; j++) {
 294				if (radeon_get_vblank_counter(rdev, i) != frame_count)
 295					break;
 296				udelay(1);
 297			}
 298
 299			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
 300			WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 301			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
 302			tmp &= ~AVIVO_CRTC_EN;
 303			WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
 304			WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 305			save->crtc_enabled[i] = false;
 306			/* ***** */
 307		} else {
 308			save->crtc_enabled[i] = false;
 309		}
 310	}
 311
 312	radeon_mc_wait_for_idle(rdev);
 313
 314	if (rdev->family >= CHIP_R600) {
 315		if (rdev->family >= CHIP_RV770)
 316			blackout = RREG32(R700_MC_CITF_CNTL);
 317		else
 318			blackout = RREG32(R600_CITF_CNTL);
 319		if ((blackout & R600_BLACKOUT_MASK) != R600_BLACKOUT_MASK) {
 320			/* Block CPU access */
 321			WREG32(R600_BIF_FB_EN, 0);
 322			/* blackout the MC */
 323			blackout |= R600_BLACKOUT_MASK;
 324			if (rdev->family >= CHIP_RV770)
 325				WREG32(R700_MC_CITF_CNTL, blackout);
 326			else
 327				WREG32(R600_CITF_CNTL, blackout);
 328		}
 329	}
 330	/* wait for the MC to settle */
 331	udelay(100);
 332
 333	/* lock double buffered regs */
 334	for (i = 0; i < rdev->num_crtc; i++) {
 335		if (save->crtc_enabled[i]) {
 336			tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
 337			if (!(tmp & AVIVO_D1GRPH_UPDATE_LOCK)) {
 338				tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
 339				WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
 340			}
 341			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
 342			if (!(tmp & 1)) {
 343				tmp |= 1;
 344				WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
 345			}
 346		}
 347	}
 348}
 349
 350void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
 351{
 352	u32 tmp, frame_count;
 353	int i, j;
 354
 355	/* update crtc base addresses */
 356	for (i = 0; i < rdev->num_crtc; i++) {
 357		if (rdev->family >= CHIP_RV770) {
 358			if (i == 0) {
 359				WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
 360				       upper_32_bits(rdev->mc.vram_start));
 361				WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
 362				       upper_32_bits(rdev->mc.vram_start));
 363			} else {
 364				WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
 365				       upper_32_bits(rdev->mc.vram_start));
 366				WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
 367				       upper_32_bits(rdev->mc.vram_start));
 368			}
 369		}
 370		WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
 371		       (u32)rdev->mc.vram_start);
 372		WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
 373		       (u32)rdev->mc.vram_start);
 374	}
 375	WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
 376
 377	/* unlock regs and wait for update */
 378	for (i = 0; i < rdev->num_crtc; i++) {
 379		if (save->crtc_enabled[i]) {
 380			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i]);
 381			if ((tmp & 0x7) != 3) {
 382				tmp &= ~0x7;
 383				tmp |= 0x3;
 384				WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
 385			}
 386			tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
 387			if (tmp & AVIVO_D1GRPH_UPDATE_LOCK) {
 388				tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
 389				WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
 390			}
 391			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
 392			if (tmp & 1) {
 393				tmp &= ~1;
 394				WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
 395			}
 396			for (j = 0; j < rdev->usec_timeout; j++) {
 397				tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
 398				if ((tmp & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) == 0)
 399					break;
 400				udelay(1);
 401			}
 402		}
 403	}
 404
 405	if (rdev->family >= CHIP_R600) {
 406		/* unblackout the MC */
 407		if (rdev->family >= CHIP_RV770)
 408			tmp = RREG32(R700_MC_CITF_CNTL);
 409		else
 410			tmp = RREG32(R600_CITF_CNTL);
 411		tmp &= ~R600_BLACKOUT_MASK;
 412		if (rdev->family >= CHIP_RV770)
 413			WREG32(R700_MC_CITF_CNTL, tmp);
 414		else
 415			WREG32(R600_CITF_CNTL, tmp);
 416		/* allow CPU access */
 417		WREG32(R600_BIF_FB_EN, R600_FB_READ_EN | R600_FB_WRITE_EN);
 418	}
 419
 420	for (i = 0; i < rdev->num_crtc; i++) {
 421		if (save->crtc_enabled[i]) {
 422			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
 423			tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
 424			WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
 425			/* wait for the next frame */
 426			frame_count = radeon_get_vblank_counter(rdev, i);
 427			for (j = 0; j < rdev->usec_timeout; j++) {
 428				if (radeon_get_vblank_counter(rdev, i) != frame_count)
 429					break;
 430				udelay(1);
 431			}
 432		}
 433	}
 434	/* Unlock vga access */
 435	WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
 436	mdelay(1);
 437	WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
 438}
 439
 440static void rv515_mc_program(struct radeon_device *rdev)
 441{
 442	struct rv515_mc_save save;
 443
 444	/* Stops all mc clients */
 445	rv515_mc_stop(rdev, &save);
 446
 447	/* Wait for mc idle */
 448	if (rv515_mc_wait_for_idle(rdev))
 449		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 450	/* Write VRAM size in case we are limiting it */
 451	WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
 452	/* Program MC, should be a 32bits limited address space */
 453	WREG32_MC(R_000001_MC_FB_LOCATION,
 454			S_000001_MC_FB_START(rdev->mc.vram_start >> 16) |
 455			S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16));
 456	WREG32(R_000134_HDP_FB_LOCATION,
 457		S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
 458	if (rdev->flags & RADEON_IS_AGP) {
 459		WREG32_MC(R_000002_MC_AGP_LOCATION,
 460			S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) |
 461			S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
 462		WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
 463		WREG32_MC(R_000004_MC_AGP_BASE_2,
 464			S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
 465	} else {
 466		WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF);
 467		WREG32_MC(R_000003_MC_AGP_BASE, 0);
 468		WREG32_MC(R_000004_MC_AGP_BASE_2, 0);
 469	}
 470
 471	rv515_mc_resume(rdev, &save);
 472}
 473
 474void rv515_clock_startup(struct radeon_device *rdev)
 475{
 476	if (radeon_dynclks != -1 && radeon_dynclks)
 477		radeon_atom_set_clock_gating(rdev, 1);
 478	/* We need to force on some of the block */
 479	WREG32_PLL(R_00000F_CP_DYN_CNTL,
 480		RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1));
 481	WREG32_PLL(R_000011_E2_DYN_CNTL,
 482		RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1));
 483	WREG32_PLL(R_000013_IDCT_DYN_CNTL,
 484		RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1));
 485}
 486
 487static int rv515_startup(struct radeon_device *rdev)
 488{
 489	int r;
 490
 491	rv515_mc_program(rdev);
 492	/* Resume clock */
 493	rv515_clock_startup(rdev);
 494	/* Initialize GPU configuration (# pipes, ...) */
 495	rv515_gpu_init(rdev);
 496	/* Initialize GART (initialize after TTM so we can allocate
 497	 * memory through TTM but finalize after TTM) */
 498	if (rdev->flags & RADEON_IS_PCIE) {
 499		r = rv370_pcie_gart_enable(rdev);
 500		if (r)
 501			return r;
 502	}
 503
 504	/* allocate wb buffer */
 505	r = radeon_wb_init(rdev);
 506	if (r)
 507		return r;
 508
 509	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
 510	if (r) {
 511		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
 512		return r;
 513	}
 514
 515	/* Enable IRQ */
 516	if (!rdev->irq.installed) {
 517		r = radeon_irq_kms_init(rdev);
 518		if (r)
 519			return r;
 520	}
 521
 522	rs600_irq_set(rdev);
 523	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
 524	/* 1M ring buffer */
 525	r = r100_cp_init(rdev, 1024 * 1024);
 526	if (r) {
 527		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
 528		return r;
 529	}
 530
 531	r = radeon_ib_pool_init(rdev);
 532	if (r) {
 533		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
 534		return r;
 535	}
 536
 537	return 0;
 538}
 539
 540int rv515_resume(struct radeon_device *rdev)
 541{
 542	int r;
 543
 544	/* Make sur GART are not working */
 545	if (rdev->flags & RADEON_IS_PCIE)
 546		rv370_pcie_gart_disable(rdev);
 547	/* Resume clock before doing reset */
 548	rv515_clock_startup(rdev);
 549	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
 550	if (radeon_asic_reset(rdev)) {
 551		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 552			RREG32(R_000E40_RBBM_STATUS),
 553			RREG32(R_0007C0_CP_STAT));
 554	}
 555	/* post */
 556	atom_asic_init(rdev->mode_info.atom_context);
 557	/* Resume clock after posting */
 558	rv515_clock_startup(rdev);
 559	/* Initialize surface registers */
 560	radeon_surface_init(rdev);
 561
 562	rdev->accel_working = true;
 563	r =  rv515_startup(rdev);
 564	if (r) {
 565		rdev->accel_working = false;
 566	}
 567	return r;
 568}
 569
 570int rv515_suspend(struct radeon_device *rdev)
 571{
 572	radeon_pm_suspend(rdev);
 573	r100_cp_disable(rdev);
 574	radeon_wb_disable(rdev);
 575	rs600_irq_disable(rdev);
 576	if (rdev->flags & RADEON_IS_PCIE)
 577		rv370_pcie_gart_disable(rdev);
 578	return 0;
 579}
 580
 581void rv515_set_safe_registers(struct radeon_device *rdev)
 582{
 583	rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
 584	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm);
 585}
 586
 587void rv515_fini(struct radeon_device *rdev)
 588{
 589	radeon_pm_fini(rdev);
 590	r100_cp_fini(rdev);
 591	radeon_wb_fini(rdev);
 592	radeon_ib_pool_fini(rdev);
 593	radeon_gem_fini(rdev);
 594	rv370_pcie_gart_fini(rdev);
 595	radeon_agp_fini(rdev);
 596	radeon_irq_kms_fini(rdev);
 597	radeon_fence_driver_fini(rdev);
 598	radeon_bo_fini(rdev);
 599	radeon_atombios_fini(rdev);
 600	kfree(rdev->bios);
 601	rdev->bios = NULL;
 602}
 603
 604int rv515_init(struct radeon_device *rdev)
 605{
 606	int r;
 607
 608	/* Initialize scratch registers */
 609	radeon_scratch_init(rdev);
 610	/* Initialize surface registers */
 611	radeon_surface_init(rdev);
 612	/* TODO: disable VGA need to use VGA request */
 613	/* restore some register to sane defaults */
 614	r100_restore_sanity(rdev);
 615	/* BIOS*/
 616	if (!radeon_get_bios(rdev)) {
 617		if (ASIC_IS_AVIVO(rdev))
 618			return -EINVAL;
 619	}
 620	if (rdev->is_atom_bios) {
 621		r = radeon_atombios_init(rdev);
 622		if (r)
 623			return r;
 624	} else {
 625		dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
 626		return -EINVAL;
 627	}
 628	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
 629	if (radeon_asic_reset(rdev)) {
 630		dev_warn(rdev->dev,
 631			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 632			RREG32(R_000E40_RBBM_STATUS),
 633			RREG32(R_0007C0_CP_STAT));
 634	}
 635	/* check if cards are posted or not */
 636	if (radeon_boot_test_post_card(rdev) == false)
 637		return -EINVAL;
 638	/* Initialize clocks */
 639	radeon_get_clock_info(rdev_to_drm(rdev));
 640	/* initialize AGP */
 641	if (rdev->flags & RADEON_IS_AGP) {
 642		r = radeon_agp_init(rdev);
 643		if (r) {
 644			radeon_agp_disable(rdev);
 645		}
 646	}
 647	/* initialize memory controller */
 648	rv515_mc_init(rdev);
 649	rv515_debugfs(rdev);
 650	/* Fence driver */
 651	radeon_fence_driver_init(rdev);
 
 
 652	/* Memory manager */
 653	r = radeon_bo_init(rdev);
 654	if (r)
 655		return r;
 656	r = rv370_pcie_gart_init(rdev);
 657	if (r)
 658		return r;
 659	rv515_set_safe_registers(rdev);
 660
 661	/* Initialize power management */
 662	radeon_pm_init(rdev);
 663
 664	rdev->accel_working = true;
 665	r = rv515_startup(rdev);
 666	if (r) {
 667		/* Somethings want wront with the accel init stop accel */
 668		dev_err(rdev->dev, "Disabling GPU acceleration\n");
 669		r100_cp_fini(rdev);
 670		radeon_wb_fini(rdev);
 671		radeon_ib_pool_fini(rdev);
 672		radeon_irq_kms_fini(rdev);
 673		rv370_pcie_gart_fini(rdev);
 674		radeon_agp_fini(rdev);
 675		rdev->accel_working = false;
 676	}
 677	return 0;
 678}
 679
 680void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc)
 681{
 682	int index_reg = 0x6578 + crtc->crtc_offset;
 683	int data_reg = 0x657c + crtc->crtc_offset;
 684
 685	WREG32(0x659C + crtc->crtc_offset, 0x0);
 686	WREG32(0x6594 + crtc->crtc_offset, 0x705);
 687	WREG32(0x65A4 + crtc->crtc_offset, 0x10001);
 688	WREG32(0x65D8 + crtc->crtc_offset, 0x0);
 689	WREG32(0x65B0 + crtc->crtc_offset, 0x0);
 690	WREG32(0x65C0 + crtc->crtc_offset, 0x0);
 691	WREG32(0x65D4 + crtc->crtc_offset, 0x0);
 692	WREG32(index_reg, 0x0);
 693	WREG32(data_reg, 0x841880A8);
 694	WREG32(index_reg, 0x1);
 695	WREG32(data_reg, 0x84208680);
 696	WREG32(index_reg, 0x2);
 697	WREG32(data_reg, 0xBFF880B0);
 698	WREG32(index_reg, 0x100);
 699	WREG32(data_reg, 0x83D88088);
 700	WREG32(index_reg, 0x101);
 701	WREG32(data_reg, 0x84608680);
 702	WREG32(index_reg, 0x102);
 703	WREG32(data_reg, 0xBFF080D0);
 704	WREG32(index_reg, 0x200);
 705	WREG32(data_reg, 0x83988068);
 706	WREG32(index_reg, 0x201);
 707	WREG32(data_reg, 0x84A08680);
 708	WREG32(index_reg, 0x202);
 709	WREG32(data_reg, 0xBFF080F8);
 710	WREG32(index_reg, 0x300);
 711	WREG32(data_reg, 0x83588058);
 712	WREG32(index_reg, 0x301);
 713	WREG32(data_reg, 0x84E08660);
 714	WREG32(index_reg, 0x302);
 715	WREG32(data_reg, 0xBFF88120);
 716	WREG32(index_reg, 0x400);
 717	WREG32(data_reg, 0x83188040);
 718	WREG32(index_reg, 0x401);
 719	WREG32(data_reg, 0x85008660);
 720	WREG32(index_reg, 0x402);
 721	WREG32(data_reg, 0xBFF88150);
 722	WREG32(index_reg, 0x500);
 723	WREG32(data_reg, 0x82D88030);
 724	WREG32(index_reg, 0x501);
 725	WREG32(data_reg, 0x85408640);
 726	WREG32(index_reg, 0x502);
 727	WREG32(data_reg, 0xBFF88180);
 728	WREG32(index_reg, 0x600);
 729	WREG32(data_reg, 0x82A08018);
 730	WREG32(index_reg, 0x601);
 731	WREG32(data_reg, 0x85808620);
 732	WREG32(index_reg, 0x602);
 733	WREG32(data_reg, 0xBFF081B8);
 734	WREG32(index_reg, 0x700);
 735	WREG32(data_reg, 0x82608010);
 736	WREG32(index_reg, 0x701);
 737	WREG32(data_reg, 0x85A08600);
 738	WREG32(index_reg, 0x702);
 739	WREG32(data_reg, 0x800081F0);
 740	WREG32(index_reg, 0x800);
 741	WREG32(data_reg, 0x8228BFF8);
 742	WREG32(index_reg, 0x801);
 743	WREG32(data_reg, 0x85E085E0);
 744	WREG32(index_reg, 0x802);
 745	WREG32(data_reg, 0xBFF88228);
 746	WREG32(index_reg, 0x10000);
 747	WREG32(data_reg, 0x82A8BF00);
 748	WREG32(index_reg, 0x10001);
 749	WREG32(data_reg, 0x82A08CC0);
 750	WREG32(index_reg, 0x10002);
 751	WREG32(data_reg, 0x8008BEF8);
 752	WREG32(index_reg, 0x10100);
 753	WREG32(data_reg, 0x81F0BF28);
 754	WREG32(index_reg, 0x10101);
 755	WREG32(data_reg, 0x83608CA0);
 756	WREG32(index_reg, 0x10102);
 757	WREG32(data_reg, 0x8018BED0);
 758	WREG32(index_reg, 0x10200);
 759	WREG32(data_reg, 0x8148BF38);
 760	WREG32(index_reg, 0x10201);
 761	WREG32(data_reg, 0x84408C80);
 762	WREG32(index_reg, 0x10202);
 763	WREG32(data_reg, 0x8008BEB8);
 764	WREG32(index_reg, 0x10300);
 765	WREG32(data_reg, 0x80B0BF78);
 766	WREG32(index_reg, 0x10301);
 767	WREG32(data_reg, 0x85008C20);
 768	WREG32(index_reg, 0x10302);
 769	WREG32(data_reg, 0x8020BEA0);
 770	WREG32(index_reg, 0x10400);
 771	WREG32(data_reg, 0x8028BF90);
 772	WREG32(index_reg, 0x10401);
 773	WREG32(data_reg, 0x85E08BC0);
 774	WREG32(index_reg, 0x10402);
 775	WREG32(data_reg, 0x8018BE90);
 776	WREG32(index_reg, 0x10500);
 777	WREG32(data_reg, 0xBFB8BFB0);
 778	WREG32(index_reg, 0x10501);
 779	WREG32(data_reg, 0x86C08B40);
 780	WREG32(index_reg, 0x10502);
 781	WREG32(data_reg, 0x8010BE90);
 782	WREG32(index_reg, 0x10600);
 783	WREG32(data_reg, 0xBF58BFC8);
 784	WREG32(index_reg, 0x10601);
 785	WREG32(data_reg, 0x87A08AA0);
 786	WREG32(index_reg, 0x10602);
 787	WREG32(data_reg, 0x8010BE98);
 788	WREG32(index_reg, 0x10700);
 789	WREG32(data_reg, 0xBF10BFF0);
 790	WREG32(index_reg, 0x10701);
 791	WREG32(data_reg, 0x886089E0);
 792	WREG32(index_reg, 0x10702);
 793	WREG32(data_reg, 0x8018BEB0);
 794	WREG32(index_reg, 0x10800);
 795	WREG32(data_reg, 0xBED8BFE8);
 796	WREG32(index_reg, 0x10801);
 797	WREG32(data_reg, 0x89408940);
 798	WREG32(index_reg, 0x10802);
 799	WREG32(data_reg, 0xBFE8BED8);
 800	WREG32(index_reg, 0x20000);
 801	WREG32(data_reg, 0x80008000);
 802	WREG32(index_reg, 0x20001);
 803	WREG32(data_reg, 0x90008000);
 804	WREG32(index_reg, 0x20002);
 805	WREG32(data_reg, 0x80008000);
 806	WREG32(index_reg, 0x20003);
 807	WREG32(data_reg, 0x80008000);
 808	WREG32(index_reg, 0x20100);
 809	WREG32(data_reg, 0x80108000);
 810	WREG32(index_reg, 0x20101);
 811	WREG32(data_reg, 0x8FE0BF70);
 812	WREG32(index_reg, 0x20102);
 813	WREG32(data_reg, 0xBFE880C0);
 814	WREG32(index_reg, 0x20103);
 815	WREG32(data_reg, 0x80008000);
 816	WREG32(index_reg, 0x20200);
 817	WREG32(data_reg, 0x8018BFF8);
 818	WREG32(index_reg, 0x20201);
 819	WREG32(data_reg, 0x8F80BF08);
 820	WREG32(index_reg, 0x20202);
 821	WREG32(data_reg, 0xBFD081A0);
 822	WREG32(index_reg, 0x20203);
 823	WREG32(data_reg, 0xBFF88000);
 824	WREG32(index_reg, 0x20300);
 825	WREG32(data_reg, 0x80188000);
 826	WREG32(index_reg, 0x20301);
 827	WREG32(data_reg, 0x8EE0BEC0);
 828	WREG32(index_reg, 0x20302);
 829	WREG32(data_reg, 0xBFB082A0);
 830	WREG32(index_reg, 0x20303);
 831	WREG32(data_reg, 0x80008000);
 832	WREG32(index_reg, 0x20400);
 833	WREG32(data_reg, 0x80188000);
 834	WREG32(index_reg, 0x20401);
 835	WREG32(data_reg, 0x8E00BEA0);
 836	WREG32(index_reg, 0x20402);
 837	WREG32(data_reg, 0xBF8883C0);
 838	WREG32(index_reg, 0x20403);
 839	WREG32(data_reg, 0x80008000);
 840	WREG32(index_reg, 0x20500);
 841	WREG32(data_reg, 0x80188000);
 842	WREG32(index_reg, 0x20501);
 843	WREG32(data_reg, 0x8D00BE90);
 844	WREG32(index_reg, 0x20502);
 845	WREG32(data_reg, 0xBF588500);
 846	WREG32(index_reg, 0x20503);
 847	WREG32(data_reg, 0x80008008);
 848	WREG32(index_reg, 0x20600);
 849	WREG32(data_reg, 0x80188000);
 850	WREG32(index_reg, 0x20601);
 851	WREG32(data_reg, 0x8BC0BE98);
 852	WREG32(index_reg, 0x20602);
 853	WREG32(data_reg, 0xBF308660);
 854	WREG32(index_reg, 0x20603);
 855	WREG32(data_reg, 0x80008008);
 856	WREG32(index_reg, 0x20700);
 857	WREG32(data_reg, 0x80108000);
 858	WREG32(index_reg, 0x20701);
 859	WREG32(data_reg, 0x8A80BEB0);
 860	WREG32(index_reg, 0x20702);
 861	WREG32(data_reg, 0xBF0087C0);
 862	WREG32(index_reg, 0x20703);
 863	WREG32(data_reg, 0x80008008);
 864	WREG32(index_reg, 0x20800);
 865	WREG32(data_reg, 0x80108000);
 866	WREG32(index_reg, 0x20801);
 867	WREG32(data_reg, 0x8920BED0);
 868	WREG32(index_reg, 0x20802);
 869	WREG32(data_reg, 0xBED08920);
 870	WREG32(index_reg, 0x20803);
 871	WREG32(data_reg, 0x80008010);
 872	WREG32(index_reg, 0x30000);
 873	WREG32(data_reg, 0x90008000);
 874	WREG32(index_reg, 0x30001);
 875	WREG32(data_reg, 0x80008000);
 876	WREG32(index_reg, 0x30100);
 877	WREG32(data_reg, 0x8FE0BF90);
 878	WREG32(index_reg, 0x30101);
 879	WREG32(data_reg, 0xBFF880A0);
 880	WREG32(index_reg, 0x30200);
 881	WREG32(data_reg, 0x8F60BF40);
 882	WREG32(index_reg, 0x30201);
 883	WREG32(data_reg, 0xBFE88180);
 884	WREG32(index_reg, 0x30300);
 885	WREG32(data_reg, 0x8EC0BF00);
 886	WREG32(index_reg, 0x30301);
 887	WREG32(data_reg, 0xBFC88280);
 888	WREG32(index_reg, 0x30400);
 889	WREG32(data_reg, 0x8DE0BEE0);
 890	WREG32(index_reg, 0x30401);
 891	WREG32(data_reg, 0xBFA083A0);
 892	WREG32(index_reg, 0x30500);
 893	WREG32(data_reg, 0x8CE0BED0);
 894	WREG32(index_reg, 0x30501);
 895	WREG32(data_reg, 0xBF7884E0);
 896	WREG32(index_reg, 0x30600);
 897	WREG32(data_reg, 0x8BA0BED8);
 898	WREG32(index_reg, 0x30601);
 899	WREG32(data_reg, 0xBF508640);
 900	WREG32(index_reg, 0x30700);
 901	WREG32(data_reg, 0x8A60BEE8);
 902	WREG32(index_reg, 0x30701);
 903	WREG32(data_reg, 0xBF2087A0);
 904	WREG32(index_reg, 0x30800);
 905	WREG32(data_reg, 0x8900BF00);
 906	WREG32(index_reg, 0x30801);
 907	WREG32(data_reg, 0xBF008900);
 908}
 909
 910struct rv515_watermark {
 911	u32        lb_request_fifo_depth;
 912	fixed20_12 num_line_pair;
 913	fixed20_12 estimated_width;
 914	fixed20_12 worst_case_latency;
 915	fixed20_12 consumption_rate;
 916	fixed20_12 active_time;
 917	fixed20_12 dbpp;
 918	fixed20_12 priority_mark_max;
 919	fixed20_12 priority_mark;
 920	fixed20_12 sclk;
 921};
 922
 923static void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
 924					 struct radeon_crtc *crtc,
 925					 struct rv515_watermark *wm,
 926					 bool low)
 927{
 928	struct drm_display_mode *mode = &crtc->base.mode;
 929	fixed20_12 a, b, c;
 930	fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
 931	fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
 932	fixed20_12 sclk;
 933	u32 selected_sclk;
 934
 935	if (!crtc->base.enabled) {
 936		/* FIXME: wouldn't it better to set priority mark to maximum */
 937		wm->lb_request_fifo_depth = 4;
 938		return;
 939	}
 940
 941	/* rv6xx, rv7xx */
 942	if ((rdev->family >= CHIP_RV610) &&
 943	    (rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)
 944		selected_sclk = radeon_dpm_get_sclk(rdev, low);
 945	else
 946		selected_sclk = rdev->pm.current_sclk;
 947
 948	/* sclk in Mhz */
 949	a.full = dfixed_const(100);
 950	sclk.full = dfixed_const(selected_sclk);
 951	sclk.full = dfixed_div(sclk, a);
 952
 953	if (crtc->vsc.full > dfixed_const(2))
 954		wm->num_line_pair.full = dfixed_const(2);
 955	else
 956		wm->num_line_pair.full = dfixed_const(1);
 957
 958	b.full = dfixed_const(mode->crtc_hdisplay);
 959	c.full = dfixed_const(256);
 960	a.full = dfixed_div(b, c);
 961	request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair);
 962	request_fifo_depth.full = dfixed_ceil(request_fifo_depth);
 963	if (a.full < dfixed_const(4)) {
 964		wm->lb_request_fifo_depth = 4;
 965	} else {
 966		wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth);
 967	}
 968
 969	/* Determine consumption rate
 970	 *  pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
 971	 *  vtaps = number of vertical taps,
 972	 *  vsc = vertical scaling ratio, defined as source/destination
 973	 *  hsc = horizontal scaling ration, defined as source/destination
 974	 */
 975	a.full = dfixed_const(mode->clock);
 976	b.full = dfixed_const(1000);
 977	a.full = dfixed_div(a, b);
 978	pclk.full = dfixed_div(b, a);
 979	if (crtc->rmx_type != RMX_OFF) {
 980		b.full = dfixed_const(2);
 981		if (crtc->vsc.full > b.full)
 982			b.full = crtc->vsc.full;
 983		b.full = dfixed_mul(b, crtc->hsc);
 984		c.full = dfixed_const(2);
 985		b.full = dfixed_div(b, c);
 986		consumption_time.full = dfixed_div(pclk, b);
 987	} else {
 988		consumption_time.full = pclk.full;
 989	}
 990	a.full = dfixed_const(1);
 991	wm->consumption_rate.full = dfixed_div(a, consumption_time);
 992
 993
 994	/* Determine line time
 995	 *  LineTime = total time for one line of displayhtotal
 996	 *  LineTime = total number of horizontal pixels
 997	 *  pclk = pixel clock period(ns)
 998	 */
 999	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
1000	line_time.full = dfixed_mul(a, pclk);
1001
1002	/* Determine active time
1003	 *  ActiveTime = time of active region of display within one line,
1004	 *  hactive = total number of horizontal active pixels
1005	 *  htotal = total number of horizontal pixels
1006	 */
1007	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
1008	b.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
1009	wm->active_time.full = dfixed_mul(line_time, b);
1010	wm->active_time.full = dfixed_div(wm->active_time, a);
1011
1012	/* Determine chunk time
1013	 * ChunkTime = the time it takes the DCP to send one chunk of data
1014	 * to the LB which consists of pipeline delay and inter chunk gap
1015	 * sclk = system clock(Mhz)
1016	 */
1017	a.full = dfixed_const(600 * 1000);
1018	chunk_time.full = dfixed_div(a, sclk);
1019	read_delay_latency.full = dfixed_const(1000);
1020
1021	/* Determine the worst case latency
1022	 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
1023	 * WorstCaseLatency = worst case time from urgent to when the MC starts
1024	 *                    to return data
1025	 * READ_DELAY_IDLE_MAX = constant of 1us
1026	 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
1027	 *             which consists of pipeline delay and inter chunk gap
1028	 */
1029	if (dfixed_trunc(wm->num_line_pair) > 1) {
1030		a.full = dfixed_const(3);
1031		wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
1032		wm->worst_case_latency.full += read_delay_latency.full;
1033	} else {
1034		wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
1035	}
1036
1037	/* Determine the tolerable latency
1038	 * TolerableLatency = Any given request has only 1 line time
1039	 *                    for the data to be returned
1040	 * LBRequestFifoDepth = Number of chunk requests the LB can
1041	 *                      put into the request FIFO for a display
1042	 *  LineTime = total time for one line of display
1043	 *  ChunkTime = the time it takes the DCP to send one chunk
1044	 *              of data to the LB which consists of
1045	 *  pipeline delay and inter chunk gap
1046	 */
1047	if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) {
1048		tolerable_latency.full = line_time.full;
1049	} else {
1050		tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2);
1051		tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
1052		tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time);
1053		tolerable_latency.full = line_time.full - tolerable_latency.full;
1054	}
1055	/* We assume worst case 32bits (4 bytes) */
1056	wm->dbpp.full = dfixed_const(2 * 16);
1057
1058	/* Determine the maximum priority mark
1059	 *  width = viewport width in pixels
1060	 */
1061	a.full = dfixed_const(16);
1062	wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
1063	wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a);
1064	wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max);
1065
1066	/* Determine estimated width */
1067	estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
1068	estimated_width.full = dfixed_div(estimated_width, consumption_time);
1069	if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
1070		wm->priority_mark.full = wm->priority_mark_max.full;
1071	} else {
1072		a.full = dfixed_const(16);
1073		wm->priority_mark.full = dfixed_div(estimated_width, a);
1074		wm->priority_mark.full = dfixed_ceil(wm->priority_mark);
1075		wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
1076	}
1077}
1078
1079static void rv515_compute_mode_priority(struct radeon_device *rdev,
1080					struct rv515_watermark *wm0,
1081					struct rv515_watermark *wm1,
1082					struct drm_display_mode *mode0,
1083					struct drm_display_mode *mode1,
1084					u32 *d1mode_priority_a_cnt,
1085					u32 *d2mode_priority_a_cnt)
1086{
1087	fixed20_12 priority_mark02, priority_mark12, fill_rate;
1088	fixed20_12 a, b;
1089
1090	*d1mode_priority_a_cnt = MODE_PRIORITY_OFF;
1091	*d2mode_priority_a_cnt = MODE_PRIORITY_OFF;
1092
1093	if (mode0 && mode1) {
1094		if (dfixed_trunc(wm0->dbpp) > 64)
1095			a.full = dfixed_div(wm0->dbpp, wm0->num_line_pair);
1096		else
1097			a.full = wm0->num_line_pair.full;
1098		if (dfixed_trunc(wm1->dbpp) > 64)
1099			b.full = dfixed_div(wm1->dbpp, wm1->num_line_pair);
1100		else
1101			b.full = wm1->num_line_pair.full;
1102		a.full += b.full;
1103		fill_rate.full = dfixed_div(wm0->sclk, a);
1104		if (wm0->consumption_rate.full > fill_rate.full) {
1105			b.full = wm0->consumption_rate.full - fill_rate.full;
1106			b.full = dfixed_mul(b, wm0->active_time);
1107			a.full = dfixed_const(16);
1108			b.full = dfixed_div(b, a);
1109			a.full = dfixed_mul(wm0->worst_case_latency,
1110						wm0->consumption_rate);
1111			priority_mark02.full = a.full + b.full;
1112		} else {
1113			a.full = dfixed_mul(wm0->worst_case_latency,
1114						wm0->consumption_rate);
1115			b.full = dfixed_const(16 * 1000);
1116			priority_mark02.full = dfixed_div(a, b);
1117		}
1118		if (wm1->consumption_rate.full > fill_rate.full) {
1119			b.full = wm1->consumption_rate.full - fill_rate.full;
1120			b.full = dfixed_mul(b, wm1->active_time);
1121			a.full = dfixed_const(16);
1122			b.full = dfixed_div(b, a);
1123			a.full = dfixed_mul(wm1->worst_case_latency,
1124						wm1->consumption_rate);
1125			priority_mark12.full = a.full + b.full;
1126		} else {
1127			a.full = dfixed_mul(wm1->worst_case_latency,
1128						wm1->consumption_rate);
1129			b.full = dfixed_const(16 * 1000);
1130			priority_mark12.full = dfixed_div(a, b);
1131		}
1132		if (wm0->priority_mark.full > priority_mark02.full)
1133			priority_mark02.full = wm0->priority_mark.full;
1134		if (wm0->priority_mark_max.full > priority_mark02.full)
1135			priority_mark02.full = wm0->priority_mark_max.full;
1136		if (wm1->priority_mark.full > priority_mark12.full)
1137			priority_mark12.full = wm1->priority_mark.full;
1138		if (wm1->priority_mark_max.full > priority_mark12.full)
1139			priority_mark12.full = wm1->priority_mark_max.full;
1140		*d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1141		*d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1142		if (rdev->disp_priority == 2) {
1143			*d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1144			*d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1145		}
1146	} else if (mode0) {
1147		if (dfixed_trunc(wm0->dbpp) > 64)
1148			a.full = dfixed_div(wm0->dbpp, wm0->num_line_pair);
1149		else
1150			a.full = wm0->num_line_pair.full;
1151		fill_rate.full = dfixed_div(wm0->sclk, a);
1152		if (wm0->consumption_rate.full > fill_rate.full) {
1153			b.full = wm0->consumption_rate.full - fill_rate.full;
1154			b.full = dfixed_mul(b, wm0->active_time);
1155			a.full = dfixed_const(16);
1156			b.full = dfixed_div(b, a);
1157			a.full = dfixed_mul(wm0->worst_case_latency,
1158						wm0->consumption_rate);
1159			priority_mark02.full = a.full + b.full;
1160		} else {
1161			a.full = dfixed_mul(wm0->worst_case_latency,
1162						wm0->consumption_rate);
1163			b.full = dfixed_const(16);
1164			priority_mark02.full = dfixed_div(a, b);
1165		}
1166		if (wm0->priority_mark.full > priority_mark02.full)
1167			priority_mark02.full = wm0->priority_mark.full;
1168		if (wm0->priority_mark_max.full > priority_mark02.full)
1169			priority_mark02.full = wm0->priority_mark_max.full;
1170		*d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1171		if (rdev->disp_priority == 2)
1172			*d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1173	} else if (mode1) {
1174		if (dfixed_trunc(wm1->dbpp) > 64)
1175			a.full = dfixed_div(wm1->dbpp, wm1->num_line_pair);
1176		else
1177			a.full = wm1->num_line_pair.full;
1178		fill_rate.full = dfixed_div(wm1->sclk, a);
1179		if (wm1->consumption_rate.full > fill_rate.full) {
1180			b.full = wm1->consumption_rate.full - fill_rate.full;
1181			b.full = dfixed_mul(b, wm1->active_time);
1182			a.full = dfixed_const(16);
1183			b.full = dfixed_div(b, a);
1184			a.full = dfixed_mul(wm1->worst_case_latency,
1185						wm1->consumption_rate);
1186			priority_mark12.full = a.full + b.full;
1187		} else {
1188			a.full = dfixed_mul(wm1->worst_case_latency,
1189						wm1->consumption_rate);
1190			b.full = dfixed_const(16 * 1000);
1191			priority_mark12.full = dfixed_div(a, b);
1192		}
1193		if (wm1->priority_mark.full > priority_mark12.full)
1194			priority_mark12.full = wm1->priority_mark.full;
1195		if (wm1->priority_mark_max.full > priority_mark12.full)
1196			priority_mark12.full = wm1->priority_mark_max.full;
1197		*d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1198		if (rdev->disp_priority == 2)
1199			*d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1200	}
1201}
1202
1203void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
1204{
1205	struct drm_display_mode *mode0 = NULL;
1206	struct drm_display_mode *mode1 = NULL;
1207	struct rv515_watermark wm0_high, wm0_low;
1208	struct rv515_watermark wm1_high, wm1_low;
1209	u32 tmp;
1210	u32 d1mode_priority_a_cnt, d1mode_priority_b_cnt;
1211	u32 d2mode_priority_a_cnt, d2mode_priority_b_cnt;
1212
1213	if (rdev->mode_info.crtcs[0]->base.enabled)
1214		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1215	if (rdev->mode_info.crtcs[1]->base.enabled)
1216		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1217	rs690_line_buffer_adjust(rdev, mode0, mode1);
1218
1219	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0_high, false);
1220	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1_high, false);
1221
1222	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0_low, false);
1223	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1_low, false);
1224
1225	tmp = wm0_high.lb_request_fifo_depth;
1226	tmp |= wm1_high.lb_request_fifo_depth << 16;
1227	WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
1228
1229	rv515_compute_mode_priority(rdev,
1230				    &wm0_high, &wm1_high,
1231				    mode0, mode1,
1232				    &d1mode_priority_a_cnt, &d2mode_priority_a_cnt);
1233	rv515_compute_mode_priority(rdev,
1234				    &wm0_low, &wm1_low,
1235				    mode0, mode1,
1236				    &d1mode_priority_b_cnt, &d2mode_priority_b_cnt);
1237
1238	WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
1239	WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_b_cnt);
1240	WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
1241	WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_b_cnt);
1242}
1243
1244void rv515_bandwidth_update(struct radeon_device *rdev)
1245{
1246	uint32_t tmp;
1247	struct drm_display_mode *mode0 = NULL;
1248	struct drm_display_mode *mode1 = NULL;
1249
1250	if (!rdev->mode_info.mode_config_initialized)
1251		return;
1252
1253	radeon_update_display_priority(rdev);
1254
1255	if (rdev->mode_info.crtcs[0]->base.enabled)
1256		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1257	if (rdev->mode_info.crtcs[1]->base.enabled)
1258		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1259	/*
1260	 * Set display0/1 priority up in the memory controller for
1261	 * modes if the user specifies HIGH for displaypriority
1262	 * option.
1263	 */
1264	if ((rdev->disp_priority == 2) &&
1265	    (rdev->family == CHIP_RV515)) {
1266		tmp = RREG32_MC(MC_MISC_LAT_TIMER);
1267		tmp &= ~MC_DISP1R_INIT_LAT_MASK;
1268		tmp &= ~MC_DISP0R_INIT_LAT_MASK;
1269		if (mode1)
1270			tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT);
1271		if (mode0)
1272			tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT);
1273		WREG32_MC(MC_MISC_LAT_TIMER, tmp);
1274	}
1275	rv515_bandwidth_avivo_update(rdev);
1276}
v5.4
   1/*
   2 * Copyright 2008 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 * Copyright 2009 Jerome Glisse.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22 * OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 * Authors: Dave Airlie
  25 *          Alex Deucher
  26 *          Jerome Glisse
  27 */
  28
 
  29#include <linux/seq_file.h>
  30#include <linux/slab.h>
  31
  32#include <drm/drm_debugfs.h>
  33#include <drm/drm_device.h>
  34#include <drm/drm_file.h>
  35
  36#include "atom.h"
  37#include "radeon.h"
  38#include "radeon_asic.h"
  39#include "rv515_reg_safe.h"
  40#include "rv515d.h"
  41
  42/* This files gather functions specifics to: rv515 */
  43static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev);
  44static int rv515_debugfs_ga_info_init(struct radeon_device *rdev);
  45static void rv515_gpu_init(struct radeon_device *rdev);
  46int rv515_mc_wait_for_idle(struct radeon_device *rdev);
  47
  48static const u32 crtc_offsets[2] =
  49{
  50	0,
  51	AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
  52};
  53
  54void rv515_debugfs(struct radeon_device *rdev)
  55{
  56	if (r100_debugfs_rbbm_init(rdev)) {
  57		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
  58	}
  59	if (rv515_debugfs_pipes_info_init(rdev)) {
  60		DRM_ERROR("Failed to register debugfs file for pipes !\n");
  61	}
  62	if (rv515_debugfs_ga_info_init(rdev)) {
  63		DRM_ERROR("Failed to register debugfs file for pipes !\n");
  64	}
  65}
  66
  67void rv515_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
  68{
  69	int r;
  70
  71	r = radeon_ring_lock(rdev, ring, 64);
  72	if (r) {
  73		return;
  74	}
  75	radeon_ring_write(ring, PACKET0(ISYNC_CNTL, 0));
  76	radeon_ring_write(ring,
  77			  ISYNC_ANY2D_IDLE3D |
  78			  ISYNC_ANY3D_IDLE2D |
  79			  ISYNC_WAIT_IDLEGUI |
  80			  ISYNC_CPSCRATCH_IDLEGUI);
  81	radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
  82	radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
  83	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
  84	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
  85	radeon_ring_write(ring, PACKET0(GB_SELECT, 0));
  86	radeon_ring_write(ring, 0);
  87	radeon_ring_write(ring, PACKET0(GB_ENABLE, 0));
  88	radeon_ring_write(ring, 0);
  89	radeon_ring_write(ring, PACKET0(R500_SU_REG_DEST, 0));
  90	radeon_ring_write(ring, (1 << rdev->num_gb_pipes) - 1);
  91	radeon_ring_write(ring, PACKET0(VAP_INDEX_OFFSET, 0));
  92	radeon_ring_write(ring, 0);
  93	radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
  94	radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
  95	radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
  96	radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
  97	radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
  98	radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
  99	radeon_ring_write(ring, PACKET0(GB_AA_CONFIG, 0));
 100	radeon_ring_write(ring, 0);
 101	radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
 102	radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
 103	radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
 104	radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
 105	radeon_ring_write(ring, PACKET0(GB_MSPOS0, 0));
 106	radeon_ring_write(ring,
 107			  ((6 << MS_X0_SHIFT) |
 108			   (6 << MS_Y0_SHIFT) |
 109			   (6 << MS_X1_SHIFT) |
 110			   (6 << MS_Y1_SHIFT) |
 111			   (6 << MS_X2_SHIFT) |
 112			   (6 << MS_Y2_SHIFT) |
 113			   (6 << MSBD0_Y_SHIFT) |
 114			   (6 << MSBD0_X_SHIFT)));
 115	radeon_ring_write(ring, PACKET0(GB_MSPOS1, 0));
 116	radeon_ring_write(ring,
 117			  ((6 << MS_X3_SHIFT) |
 118			   (6 << MS_Y3_SHIFT) |
 119			   (6 << MS_X4_SHIFT) |
 120			   (6 << MS_Y4_SHIFT) |
 121			   (6 << MS_X5_SHIFT) |
 122			   (6 << MS_Y5_SHIFT) |
 123			   (6 << MSBD1_SHIFT)));
 124	radeon_ring_write(ring, PACKET0(GA_ENHANCE, 0));
 125	radeon_ring_write(ring, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL);
 126	radeon_ring_write(ring, PACKET0(GA_POLY_MODE, 0));
 127	radeon_ring_write(ring, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE);
 128	radeon_ring_write(ring, PACKET0(GA_ROUND_MODE, 0));
 129	radeon_ring_write(ring, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST);
 130	radeon_ring_write(ring, PACKET0(0x20C8, 0));
 131	radeon_ring_write(ring, 0);
 132	radeon_ring_unlock_commit(rdev, ring, false);
 133}
 134
 135int rv515_mc_wait_for_idle(struct radeon_device *rdev)
 136{
 137	unsigned i;
 138	uint32_t tmp;
 139
 140	for (i = 0; i < rdev->usec_timeout; i++) {
 141		/* read MC_STATUS */
 142		tmp = RREG32_MC(MC_STATUS);
 143		if (tmp & MC_STATUS_IDLE) {
 144			return 0;
 145		}
 146		udelay(1);
 147	}
 148	return -1;
 149}
 150
 151void rv515_vga_render_disable(struct radeon_device *rdev)
 152{
 153	WREG32(R_000300_VGA_RENDER_CONTROL,
 154		RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
 155}
 156
 157static void rv515_gpu_init(struct radeon_device *rdev)
 158{
 159	unsigned pipe_select_current, gb_pipe_select, tmp;
 160
 161	if (r100_gui_wait_for_idle(rdev)) {
 162		pr_warn("Failed to wait GUI idle while resetting GPU. Bad things might happen.\n");
 163	}
 164	rv515_vga_render_disable(rdev);
 165	r420_pipes_init(rdev);
 166	gb_pipe_select = RREG32(R400_GB_PIPE_SELECT);
 167	tmp = RREG32(R300_DST_PIPE_CONFIG);
 168	pipe_select_current = (tmp >> 2) & 3;
 169	tmp = (1 << pipe_select_current) |
 170	      (((gb_pipe_select >> 8) & 0xF) << 4);
 171	WREG32_PLL(0x000D, tmp);
 172	if (r100_gui_wait_for_idle(rdev)) {
 173		pr_warn("Failed to wait GUI idle while resetting GPU. Bad things might happen.\n");
 174	}
 175	if (rv515_mc_wait_for_idle(rdev)) {
 176		pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
 177	}
 178}
 179
 180static void rv515_vram_get_type(struct radeon_device *rdev)
 181{
 182	uint32_t tmp;
 183
 184	rdev->mc.vram_width = 128;
 185	rdev->mc.vram_is_ddr = true;
 186	tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK;
 187	switch (tmp) {
 188	case 0:
 189		rdev->mc.vram_width = 64;
 190		break;
 191	case 1:
 192		rdev->mc.vram_width = 128;
 193		break;
 194	default:
 195		rdev->mc.vram_width = 128;
 196		break;
 197	}
 198}
 199
 200static void rv515_mc_init(struct radeon_device *rdev)
 201{
 202
 203	rv515_vram_get_type(rdev);
 204	r100_vram_init_sizes(rdev);
 205	radeon_vram_location(rdev, &rdev->mc, 0);
 206	rdev->mc.gtt_base_align = 0;
 207	if (!(rdev->flags & RADEON_IS_AGP))
 208		radeon_gtt_location(rdev, &rdev->mc);
 209	radeon_update_bandwidth_info(rdev);
 210}
 211
 212uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
 213{
 214	unsigned long flags;
 215	uint32_t r;
 216
 217	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
 218	WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff));
 219	r = RREG32(MC_IND_DATA);
 220	WREG32(MC_IND_INDEX, 0);
 221	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
 222
 223	return r;
 224}
 225
 226void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 227{
 228	unsigned long flags;
 229
 230	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
 231	WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff));
 232	WREG32(MC_IND_DATA, (v));
 233	WREG32(MC_IND_INDEX, 0);
 234	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
 235}
 236
 237#if defined(CONFIG_DEBUG_FS)
 238static int rv515_debugfs_pipes_info(struct seq_file *m, void *data)
 239{
 240	struct drm_info_node *node = (struct drm_info_node *) m->private;
 241	struct drm_device *dev = node->minor->dev;
 242	struct radeon_device *rdev = dev->dev_private;
 243	uint32_t tmp;
 244
 245	tmp = RREG32(GB_PIPE_SELECT);
 246	seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
 247	tmp = RREG32(SU_REG_DEST);
 248	seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp);
 249	tmp = RREG32(GB_TILE_CONFIG);
 250	seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
 251	tmp = RREG32(DST_PIPE_CONFIG);
 252	seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
 253	return 0;
 254}
 255
 256static int rv515_debugfs_ga_info(struct seq_file *m, void *data)
 257{
 258	struct drm_info_node *node = (struct drm_info_node *) m->private;
 259	struct drm_device *dev = node->minor->dev;
 260	struct radeon_device *rdev = dev->dev_private;
 261	uint32_t tmp;
 262
 263	tmp = RREG32(0x2140);
 264	seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp);
 265	radeon_asic_reset(rdev);
 266	tmp = RREG32(0x425C);
 267	seq_printf(m, "GA_IDLE 0x%08x\n", tmp);
 268	return 0;
 269}
 270
 271static struct drm_info_list rv515_pipes_info_list[] = {
 272	{"rv515_pipes_info", rv515_debugfs_pipes_info, 0, NULL},
 273};
 274
 275static struct drm_info_list rv515_ga_info_list[] = {
 276	{"rv515_ga_info", rv515_debugfs_ga_info, 0, NULL},
 277};
 278#endif
 279
 280static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev)
 281{
 282#if defined(CONFIG_DEBUG_FS)
 283	return radeon_debugfs_add_files(rdev, rv515_pipes_info_list, 1);
 284#else
 285	return 0;
 286#endif
 287}
 288
 289static int rv515_debugfs_ga_info_init(struct radeon_device *rdev)
 290{
 291#if defined(CONFIG_DEBUG_FS)
 292	return radeon_debugfs_add_files(rdev, rv515_ga_info_list, 1);
 293#else
 294	return 0;
 295#endif
 
 296}
 297
 298void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
 299{
 300	u32 crtc_enabled, tmp, frame_count, blackout;
 301	int i, j;
 302
 303	save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
 304	save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
 305
 306	/* disable VGA render */
 307	WREG32(R_000300_VGA_RENDER_CONTROL, 0);
 308	/* blank the display controllers */
 309	for (i = 0; i < rdev->num_crtc; i++) {
 310		crtc_enabled = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN;
 311		if (crtc_enabled) {
 312			save->crtc_enabled[i] = true;
 313			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
 314			if (!(tmp & AVIVO_CRTC_DISP_READ_REQUEST_DISABLE)) {
 315				radeon_wait_for_vblank(rdev, i);
 316				WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 317				tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
 318				WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
 319				WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 320			}
 321			/* wait for the next frame */
 322			frame_count = radeon_get_vblank_counter(rdev, i);
 323			for (j = 0; j < rdev->usec_timeout; j++) {
 324				if (radeon_get_vblank_counter(rdev, i) != frame_count)
 325					break;
 326				udelay(1);
 327			}
 328
 329			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
 330			WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 331			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
 332			tmp &= ~AVIVO_CRTC_EN;
 333			WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
 334			WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 335			save->crtc_enabled[i] = false;
 336			/* ***** */
 337		} else {
 338			save->crtc_enabled[i] = false;
 339		}
 340	}
 341
 342	radeon_mc_wait_for_idle(rdev);
 343
 344	if (rdev->family >= CHIP_R600) {
 345		if (rdev->family >= CHIP_RV770)
 346			blackout = RREG32(R700_MC_CITF_CNTL);
 347		else
 348			blackout = RREG32(R600_CITF_CNTL);
 349		if ((blackout & R600_BLACKOUT_MASK) != R600_BLACKOUT_MASK) {
 350			/* Block CPU access */
 351			WREG32(R600_BIF_FB_EN, 0);
 352			/* blackout the MC */
 353			blackout |= R600_BLACKOUT_MASK;
 354			if (rdev->family >= CHIP_RV770)
 355				WREG32(R700_MC_CITF_CNTL, blackout);
 356			else
 357				WREG32(R600_CITF_CNTL, blackout);
 358		}
 359	}
 360	/* wait for the MC to settle */
 361	udelay(100);
 362
 363	/* lock double buffered regs */
 364	for (i = 0; i < rdev->num_crtc; i++) {
 365		if (save->crtc_enabled[i]) {
 366			tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
 367			if (!(tmp & AVIVO_D1GRPH_UPDATE_LOCK)) {
 368				tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
 369				WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
 370			}
 371			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
 372			if (!(tmp & 1)) {
 373				tmp |= 1;
 374				WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
 375			}
 376		}
 377	}
 378}
 379
 380void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
 381{
 382	u32 tmp, frame_count;
 383	int i, j;
 384
 385	/* update crtc base addresses */
 386	for (i = 0; i < rdev->num_crtc; i++) {
 387		if (rdev->family >= CHIP_RV770) {
 388			if (i == 0) {
 389				WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
 390				       upper_32_bits(rdev->mc.vram_start));
 391				WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
 392				       upper_32_bits(rdev->mc.vram_start));
 393			} else {
 394				WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
 395				       upper_32_bits(rdev->mc.vram_start));
 396				WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
 397				       upper_32_bits(rdev->mc.vram_start));
 398			}
 399		}
 400		WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
 401		       (u32)rdev->mc.vram_start);
 402		WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
 403		       (u32)rdev->mc.vram_start);
 404	}
 405	WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
 406
 407	/* unlock regs and wait for update */
 408	for (i = 0; i < rdev->num_crtc; i++) {
 409		if (save->crtc_enabled[i]) {
 410			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i]);
 411			if ((tmp & 0x7) != 3) {
 412				tmp &= ~0x7;
 413				tmp |= 0x3;
 414				WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
 415			}
 416			tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
 417			if (tmp & AVIVO_D1GRPH_UPDATE_LOCK) {
 418				tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
 419				WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
 420			}
 421			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
 422			if (tmp & 1) {
 423				tmp &= ~1;
 424				WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
 425			}
 426			for (j = 0; j < rdev->usec_timeout; j++) {
 427				tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
 428				if ((tmp & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) == 0)
 429					break;
 430				udelay(1);
 431			}
 432		}
 433	}
 434
 435	if (rdev->family >= CHIP_R600) {
 436		/* unblackout the MC */
 437		if (rdev->family >= CHIP_RV770)
 438			tmp = RREG32(R700_MC_CITF_CNTL);
 439		else
 440			tmp = RREG32(R600_CITF_CNTL);
 441		tmp &= ~R600_BLACKOUT_MASK;
 442		if (rdev->family >= CHIP_RV770)
 443			WREG32(R700_MC_CITF_CNTL, tmp);
 444		else
 445			WREG32(R600_CITF_CNTL, tmp);
 446		/* allow CPU access */
 447		WREG32(R600_BIF_FB_EN, R600_FB_READ_EN | R600_FB_WRITE_EN);
 448	}
 449
 450	for (i = 0; i < rdev->num_crtc; i++) {
 451		if (save->crtc_enabled[i]) {
 452			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
 453			tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
 454			WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
 455			/* wait for the next frame */
 456			frame_count = radeon_get_vblank_counter(rdev, i);
 457			for (j = 0; j < rdev->usec_timeout; j++) {
 458				if (radeon_get_vblank_counter(rdev, i) != frame_count)
 459					break;
 460				udelay(1);
 461			}
 462		}
 463	}
 464	/* Unlock vga access */
 465	WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
 466	mdelay(1);
 467	WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
 468}
 469
 470static void rv515_mc_program(struct radeon_device *rdev)
 471{
 472	struct rv515_mc_save save;
 473
 474	/* Stops all mc clients */
 475	rv515_mc_stop(rdev, &save);
 476
 477	/* Wait for mc idle */
 478	if (rv515_mc_wait_for_idle(rdev))
 479		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 480	/* Write VRAM size in case we are limiting it */
 481	WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
 482	/* Program MC, should be a 32bits limited address space */
 483	WREG32_MC(R_000001_MC_FB_LOCATION,
 484			S_000001_MC_FB_START(rdev->mc.vram_start >> 16) |
 485			S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16));
 486	WREG32(R_000134_HDP_FB_LOCATION,
 487		S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
 488	if (rdev->flags & RADEON_IS_AGP) {
 489		WREG32_MC(R_000002_MC_AGP_LOCATION,
 490			S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) |
 491			S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
 492		WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
 493		WREG32_MC(R_000004_MC_AGP_BASE_2,
 494			S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
 495	} else {
 496		WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF);
 497		WREG32_MC(R_000003_MC_AGP_BASE, 0);
 498		WREG32_MC(R_000004_MC_AGP_BASE_2, 0);
 499	}
 500
 501	rv515_mc_resume(rdev, &save);
 502}
 503
 504void rv515_clock_startup(struct radeon_device *rdev)
 505{
 506	if (radeon_dynclks != -1 && radeon_dynclks)
 507		radeon_atom_set_clock_gating(rdev, 1);
 508	/* We need to force on some of the block */
 509	WREG32_PLL(R_00000F_CP_DYN_CNTL,
 510		RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1));
 511	WREG32_PLL(R_000011_E2_DYN_CNTL,
 512		RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1));
 513	WREG32_PLL(R_000013_IDCT_DYN_CNTL,
 514		RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1));
 515}
 516
 517static int rv515_startup(struct radeon_device *rdev)
 518{
 519	int r;
 520
 521	rv515_mc_program(rdev);
 522	/* Resume clock */
 523	rv515_clock_startup(rdev);
 524	/* Initialize GPU configuration (# pipes, ...) */
 525	rv515_gpu_init(rdev);
 526	/* Initialize GART (initialize after TTM so we can allocate
 527	 * memory through TTM but finalize after TTM) */
 528	if (rdev->flags & RADEON_IS_PCIE) {
 529		r = rv370_pcie_gart_enable(rdev);
 530		if (r)
 531			return r;
 532	}
 533
 534	/* allocate wb buffer */
 535	r = radeon_wb_init(rdev);
 536	if (r)
 537		return r;
 538
 539	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
 540	if (r) {
 541		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
 542		return r;
 543	}
 544
 545	/* Enable IRQ */
 546	if (!rdev->irq.installed) {
 547		r = radeon_irq_kms_init(rdev);
 548		if (r)
 549			return r;
 550	}
 551
 552	rs600_irq_set(rdev);
 553	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
 554	/* 1M ring buffer */
 555	r = r100_cp_init(rdev, 1024 * 1024);
 556	if (r) {
 557		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
 558		return r;
 559	}
 560
 561	r = radeon_ib_pool_init(rdev);
 562	if (r) {
 563		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
 564		return r;
 565	}
 566
 567	return 0;
 568}
 569
 570int rv515_resume(struct radeon_device *rdev)
 571{
 572	int r;
 573
 574	/* Make sur GART are not working */
 575	if (rdev->flags & RADEON_IS_PCIE)
 576		rv370_pcie_gart_disable(rdev);
 577	/* Resume clock before doing reset */
 578	rv515_clock_startup(rdev);
 579	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
 580	if (radeon_asic_reset(rdev)) {
 581		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 582			RREG32(R_000E40_RBBM_STATUS),
 583			RREG32(R_0007C0_CP_STAT));
 584	}
 585	/* post */
 586	atom_asic_init(rdev->mode_info.atom_context);
 587	/* Resume clock after posting */
 588	rv515_clock_startup(rdev);
 589	/* Initialize surface registers */
 590	radeon_surface_init(rdev);
 591
 592	rdev->accel_working = true;
 593	r =  rv515_startup(rdev);
 594	if (r) {
 595		rdev->accel_working = false;
 596	}
 597	return r;
 598}
 599
 600int rv515_suspend(struct radeon_device *rdev)
 601{
 602	radeon_pm_suspend(rdev);
 603	r100_cp_disable(rdev);
 604	radeon_wb_disable(rdev);
 605	rs600_irq_disable(rdev);
 606	if (rdev->flags & RADEON_IS_PCIE)
 607		rv370_pcie_gart_disable(rdev);
 608	return 0;
 609}
 610
 611void rv515_set_safe_registers(struct radeon_device *rdev)
 612{
 613	rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
 614	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm);
 615}
 616
 617void rv515_fini(struct radeon_device *rdev)
 618{
 619	radeon_pm_fini(rdev);
 620	r100_cp_fini(rdev);
 621	radeon_wb_fini(rdev);
 622	radeon_ib_pool_fini(rdev);
 623	radeon_gem_fini(rdev);
 624	rv370_pcie_gart_fini(rdev);
 625	radeon_agp_fini(rdev);
 626	radeon_irq_kms_fini(rdev);
 627	radeon_fence_driver_fini(rdev);
 628	radeon_bo_fini(rdev);
 629	radeon_atombios_fini(rdev);
 630	kfree(rdev->bios);
 631	rdev->bios = NULL;
 632}
 633
 634int rv515_init(struct radeon_device *rdev)
 635{
 636	int r;
 637
 638	/* Initialize scratch registers */
 639	radeon_scratch_init(rdev);
 640	/* Initialize surface registers */
 641	radeon_surface_init(rdev);
 642	/* TODO: disable VGA need to use VGA request */
 643	/* restore some register to sane defaults */
 644	r100_restore_sanity(rdev);
 645	/* BIOS*/
 646	if (!radeon_get_bios(rdev)) {
 647		if (ASIC_IS_AVIVO(rdev))
 648			return -EINVAL;
 649	}
 650	if (rdev->is_atom_bios) {
 651		r = radeon_atombios_init(rdev);
 652		if (r)
 653			return r;
 654	} else {
 655		dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
 656		return -EINVAL;
 657	}
 658	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
 659	if (radeon_asic_reset(rdev)) {
 660		dev_warn(rdev->dev,
 661			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 662			RREG32(R_000E40_RBBM_STATUS),
 663			RREG32(R_0007C0_CP_STAT));
 664	}
 665	/* check if cards are posted or not */
 666	if (radeon_boot_test_post_card(rdev) == false)
 667		return -EINVAL;
 668	/* Initialize clocks */
 669	radeon_get_clock_info(rdev->ddev);
 670	/* initialize AGP */
 671	if (rdev->flags & RADEON_IS_AGP) {
 672		r = radeon_agp_init(rdev);
 673		if (r) {
 674			radeon_agp_disable(rdev);
 675		}
 676	}
 677	/* initialize memory controller */
 678	rv515_mc_init(rdev);
 679	rv515_debugfs(rdev);
 680	/* Fence driver */
 681	r = radeon_fence_driver_init(rdev);
 682	if (r)
 683		return r;
 684	/* Memory manager */
 685	r = radeon_bo_init(rdev);
 686	if (r)
 687		return r;
 688	r = rv370_pcie_gart_init(rdev);
 689	if (r)
 690		return r;
 691	rv515_set_safe_registers(rdev);
 692
 693	/* Initialize power management */
 694	radeon_pm_init(rdev);
 695
 696	rdev->accel_working = true;
 697	r = rv515_startup(rdev);
 698	if (r) {
 699		/* Somethings want wront with the accel init stop accel */
 700		dev_err(rdev->dev, "Disabling GPU acceleration\n");
 701		r100_cp_fini(rdev);
 702		radeon_wb_fini(rdev);
 703		radeon_ib_pool_fini(rdev);
 704		radeon_irq_kms_fini(rdev);
 705		rv370_pcie_gart_fini(rdev);
 706		radeon_agp_fini(rdev);
 707		rdev->accel_working = false;
 708	}
 709	return 0;
 710}
 711
 712void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc)
 713{
 714	int index_reg = 0x6578 + crtc->crtc_offset;
 715	int data_reg = 0x657c + crtc->crtc_offset;
 716
 717	WREG32(0x659C + crtc->crtc_offset, 0x0);
 718	WREG32(0x6594 + crtc->crtc_offset, 0x705);
 719	WREG32(0x65A4 + crtc->crtc_offset, 0x10001);
 720	WREG32(0x65D8 + crtc->crtc_offset, 0x0);
 721	WREG32(0x65B0 + crtc->crtc_offset, 0x0);
 722	WREG32(0x65C0 + crtc->crtc_offset, 0x0);
 723	WREG32(0x65D4 + crtc->crtc_offset, 0x0);
 724	WREG32(index_reg, 0x0);
 725	WREG32(data_reg, 0x841880A8);
 726	WREG32(index_reg, 0x1);
 727	WREG32(data_reg, 0x84208680);
 728	WREG32(index_reg, 0x2);
 729	WREG32(data_reg, 0xBFF880B0);
 730	WREG32(index_reg, 0x100);
 731	WREG32(data_reg, 0x83D88088);
 732	WREG32(index_reg, 0x101);
 733	WREG32(data_reg, 0x84608680);
 734	WREG32(index_reg, 0x102);
 735	WREG32(data_reg, 0xBFF080D0);
 736	WREG32(index_reg, 0x200);
 737	WREG32(data_reg, 0x83988068);
 738	WREG32(index_reg, 0x201);
 739	WREG32(data_reg, 0x84A08680);
 740	WREG32(index_reg, 0x202);
 741	WREG32(data_reg, 0xBFF080F8);
 742	WREG32(index_reg, 0x300);
 743	WREG32(data_reg, 0x83588058);
 744	WREG32(index_reg, 0x301);
 745	WREG32(data_reg, 0x84E08660);
 746	WREG32(index_reg, 0x302);
 747	WREG32(data_reg, 0xBFF88120);
 748	WREG32(index_reg, 0x400);
 749	WREG32(data_reg, 0x83188040);
 750	WREG32(index_reg, 0x401);
 751	WREG32(data_reg, 0x85008660);
 752	WREG32(index_reg, 0x402);
 753	WREG32(data_reg, 0xBFF88150);
 754	WREG32(index_reg, 0x500);
 755	WREG32(data_reg, 0x82D88030);
 756	WREG32(index_reg, 0x501);
 757	WREG32(data_reg, 0x85408640);
 758	WREG32(index_reg, 0x502);
 759	WREG32(data_reg, 0xBFF88180);
 760	WREG32(index_reg, 0x600);
 761	WREG32(data_reg, 0x82A08018);
 762	WREG32(index_reg, 0x601);
 763	WREG32(data_reg, 0x85808620);
 764	WREG32(index_reg, 0x602);
 765	WREG32(data_reg, 0xBFF081B8);
 766	WREG32(index_reg, 0x700);
 767	WREG32(data_reg, 0x82608010);
 768	WREG32(index_reg, 0x701);
 769	WREG32(data_reg, 0x85A08600);
 770	WREG32(index_reg, 0x702);
 771	WREG32(data_reg, 0x800081F0);
 772	WREG32(index_reg, 0x800);
 773	WREG32(data_reg, 0x8228BFF8);
 774	WREG32(index_reg, 0x801);
 775	WREG32(data_reg, 0x85E085E0);
 776	WREG32(index_reg, 0x802);
 777	WREG32(data_reg, 0xBFF88228);
 778	WREG32(index_reg, 0x10000);
 779	WREG32(data_reg, 0x82A8BF00);
 780	WREG32(index_reg, 0x10001);
 781	WREG32(data_reg, 0x82A08CC0);
 782	WREG32(index_reg, 0x10002);
 783	WREG32(data_reg, 0x8008BEF8);
 784	WREG32(index_reg, 0x10100);
 785	WREG32(data_reg, 0x81F0BF28);
 786	WREG32(index_reg, 0x10101);
 787	WREG32(data_reg, 0x83608CA0);
 788	WREG32(index_reg, 0x10102);
 789	WREG32(data_reg, 0x8018BED0);
 790	WREG32(index_reg, 0x10200);
 791	WREG32(data_reg, 0x8148BF38);
 792	WREG32(index_reg, 0x10201);
 793	WREG32(data_reg, 0x84408C80);
 794	WREG32(index_reg, 0x10202);
 795	WREG32(data_reg, 0x8008BEB8);
 796	WREG32(index_reg, 0x10300);
 797	WREG32(data_reg, 0x80B0BF78);
 798	WREG32(index_reg, 0x10301);
 799	WREG32(data_reg, 0x85008C20);
 800	WREG32(index_reg, 0x10302);
 801	WREG32(data_reg, 0x8020BEA0);
 802	WREG32(index_reg, 0x10400);
 803	WREG32(data_reg, 0x8028BF90);
 804	WREG32(index_reg, 0x10401);
 805	WREG32(data_reg, 0x85E08BC0);
 806	WREG32(index_reg, 0x10402);
 807	WREG32(data_reg, 0x8018BE90);
 808	WREG32(index_reg, 0x10500);
 809	WREG32(data_reg, 0xBFB8BFB0);
 810	WREG32(index_reg, 0x10501);
 811	WREG32(data_reg, 0x86C08B40);
 812	WREG32(index_reg, 0x10502);
 813	WREG32(data_reg, 0x8010BE90);
 814	WREG32(index_reg, 0x10600);
 815	WREG32(data_reg, 0xBF58BFC8);
 816	WREG32(index_reg, 0x10601);
 817	WREG32(data_reg, 0x87A08AA0);
 818	WREG32(index_reg, 0x10602);
 819	WREG32(data_reg, 0x8010BE98);
 820	WREG32(index_reg, 0x10700);
 821	WREG32(data_reg, 0xBF10BFF0);
 822	WREG32(index_reg, 0x10701);
 823	WREG32(data_reg, 0x886089E0);
 824	WREG32(index_reg, 0x10702);
 825	WREG32(data_reg, 0x8018BEB0);
 826	WREG32(index_reg, 0x10800);
 827	WREG32(data_reg, 0xBED8BFE8);
 828	WREG32(index_reg, 0x10801);
 829	WREG32(data_reg, 0x89408940);
 830	WREG32(index_reg, 0x10802);
 831	WREG32(data_reg, 0xBFE8BED8);
 832	WREG32(index_reg, 0x20000);
 833	WREG32(data_reg, 0x80008000);
 834	WREG32(index_reg, 0x20001);
 835	WREG32(data_reg, 0x90008000);
 836	WREG32(index_reg, 0x20002);
 837	WREG32(data_reg, 0x80008000);
 838	WREG32(index_reg, 0x20003);
 839	WREG32(data_reg, 0x80008000);
 840	WREG32(index_reg, 0x20100);
 841	WREG32(data_reg, 0x80108000);
 842	WREG32(index_reg, 0x20101);
 843	WREG32(data_reg, 0x8FE0BF70);
 844	WREG32(index_reg, 0x20102);
 845	WREG32(data_reg, 0xBFE880C0);
 846	WREG32(index_reg, 0x20103);
 847	WREG32(data_reg, 0x80008000);
 848	WREG32(index_reg, 0x20200);
 849	WREG32(data_reg, 0x8018BFF8);
 850	WREG32(index_reg, 0x20201);
 851	WREG32(data_reg, 0x8F80BF08);
 852	WREG32(index_reg, 0x20202);
 853	WREG32(data_reg, 0xBFD081A0);
 854	WREG32(index_reg, 0x20203);
 855	WREG32(data_reg, 0xBFF88000);
 856	WREG32(index_reg, 0x20300);
 857	WREG32(data_reg, 0x80188000);
 858	WREG32(index_reg, 0x20301);
 859	WREG32(data_reg, 0x8EE0BEC0);
 860	WREG32(index_reg, 0x20302);
 861	WREG32(data_reg, 0xBFB082A0);
 862	WREG32(index_reg, 0x20303);
 863	WREG32(data_reg, 0x80008000);
 864	WREG32(index_reg, 0x20400);
 865	WREG32(data_reg, 0x80188000);
 866	WREG32(index_reg, 0x20401);
 867	WREG32(data_reg, 0x8E00BEA0);
 868	WREG32(index_reg, 0x20402);
 869	WREG32(data_reg, 0xBF8883C0);
 870	WREG32(index_reg, 0x20403);
 871	WREG32(data_reg, 0x80008000);
 872	WREG32(index_reg, 0x20500);
 873	WREG32(data_reg, 0x80188000);
 874	WREG32(index_reg, 0x20501);
 875	WREG32(data_reg, 0x8D00BE90);
 876	WREG32(index_reg, 0x20502);
 877	WREG32(data_reg, 0xBF588500);
 878	WREG32(index_reg, 0x20503);
 879	WREG32(data_reg, 0x80008008);
 880	WREG32(index_reg, 0x20600);
 881	WREG32(data_reg, 0x80188000);
 882	WREG32(index_reg, 0x20601);
 883	WREG32(data_reg, 0x8BC0BE98);
 884	WREG32(index_reg, 0x20602);
 885	WREG32(data_reg, 0xBF308660);
 886	WREG32(index_reg, 0x20603);
 887	WREG32(data_reg, 0x80008008);
 888	WREG32(index_reg, 0x20700);
 889	WREG32(data_reg, 0x80108000);
 890	WREG32(index_reg, 0x20701);
 891	WREG32(data_reg, 0x8A80BEB0);
 892	WREG32(index_reg, 0x20702);
 893	WREG32(data_reg, 0xBF0087C0);
 894	WREG32(index_reg, 0x20703);
 895	WREG32(data_reg, 0x80008008);
 896	WREG32(index_reg, 0x20800);
 897	WREG32(data_reg, 0x80108000);
 898	WREG32(index_reg, 0x20801);
 899	WREG32(data_reg, 0x8920BED0);
 900	WREG32(index_reg, 0x20802);
 901	WREG32(data_reg, 0xBED08920);
 902	WREG32(index_reg, 0x20803);
 903	WREG32(data_reg, 0x80008010);
 904	WREG32(index_reg, 0x30000);
 905	WREG32(data_reg, 0x90008000);
 906	WREG32(index_reg, 0x30001);
 907	WREG32(data_reg, 0x80008000);
 908	WREG32(index_reg, 0x30100);
 909	WREG32(data_reg, 0x8FE0BF90);
 910	WREG32(index_reg, 0x30101);
 911	WREG32(data_reg, 0xBFF880A0);
 912	WREG32(index_reg, 0x30200);
 913	WREG32(data_reg, 0x8F60BF40);
 914	WREG32(index_reg, 0x30201);
 915	WREG32(data_reg, 0xBFE88180);
 916	WREG32(index_reg, 0x30300);
 917	WREG32(data_reg, 0x8EC0BF00);
 918	WREG32(index_reg, 0x30301);
 919	WREG32(data_reg, 0xBFC88280);
 920	WREG32(index_reg, 0x30400);
 921	WREG32(data_reg, 0x8DE0BEE0);
 922	WREG32(index_reg, 0x30401);
 923	WREG32(data_reg, 0xBFA083A0);
 924	WREG32(index_reg, 0x30500);
 925	WREG32(data_reg, 0x8CE0BED0);
 926	WREG32(index_reg, 0x30501);
 927	WREG32(data_reg, 0xBF7884E0);
 928	WREG32(index_reg, 0x30600);
 929	WREG32(data_reg, 0x8BA0BED8);
 930	WREG32(index_reg, 0x30601);
 931	WREG32(data_reg, 0xBF508640);
 932	WREG32(index_reg, 0x30700);
 933	WREG32(data_reg, 0x8A60BEE8);
 934	WREG32(index_reg, 0x30701);
 935	WREG32(data_reg, 0xBF2087A0);
 936	WREG32(index_reg, 0x30800);
 937	WREG32(data_reg, 0x8900BF00);
 938	WREG32(index_reg, 0x30801);
 939	WREG32(data_reg, 0xBF008900);
 940}
 941
 942struct rv515_watermark {
 943	u32        lb_request_fifo_depth;
 944	fixed20_12 num_line_pair;
 945	fixed20_12 estimated_width;
 946	fixed20_12 worst_case_latency;
 947	fixed20_12 consumption_rate;
 948	fixed20_12 active_time;
 949	fixed20_12 dbpp;
 950	fixed20_12 priority_mark_max;
 951	fixed20_12 priority_mark;
 952	fixed20_12 sclk;
 953};
 954
 955static void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
 956					 struct radeon_crtc *crtc,
 957					 struct rv515_watermark *wm,
 958					 bool low)
 959{
 960	struct drm_display_mode *mode = &crtc->base.mode;
 961	fixed20_12 a, b, c;
 962	fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
 963	fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
 964	fixed20_12 sclk;
 965	u32 selected_sclk;
 966
 967	if (!crtc->base.enabled) {
 968		/* FIXME: wouldn't it better to set priority mark to maximum */
 969		wm->lb_request_fifo_depth = 4;
 970		return;
 971	}
 972
 973	/* rv6xx, rv7xx */
 974	if ((rdev->family >= CHIP_RV610) &&
 975	    (rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)
 976		selected_sclk = radeon_dpm_get_sclk(rdev, low);
 977	else
 978		selected_sclk = rdev->pm.current_sclk;
 979
 980	/* sclk in Mhz */
 981	a.full = dfixed_const(100);
 982	sclk.full = dfixed_const(selected_sclk);
 983	sclk.full = dfixed_div(sclk, a);
 984
 985	if (crtc->vsc.full > dfixed_const(2))
 986		wm->num_line_pair.full = dfixed_const(2);
 987	else
 988		wm->num_line_pair.full = dfixed_const(1);
 989
 990	b.full = dfixed_const(mode->crtc_hdisplay);
 991	c.full = dfixed_const(256);
 992	a.full = dfixed_div(b, c);
 993	request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair);
 994	request_fifo_depth.full = dfixed_ceil(request_fifo_depth);
 995	if (a.full < dfixed_const(4)) {
 996		wm->lb_request_fifo_depth = 4;
 997	} else {
 998		wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth);
 999	}
1000
1001	/* Determine consumption rate
1002	 *  pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
1003	 *  vtaps = number of vertical taps,
1004	 *  vsc = vertical scaling ratio, defined as source/destination
1005	 *  hsc = horizontal scaling ration, defined as source/destination
1006	 */
1007	a.full = dfixed_const(mode->clock);
1008	b.full = dfixed_const(1000);
1009	a.full = dfixed_div(a, b);
1010	pclk.full = dfixed_div(b, a);
1011	if (crtc->rmx_type != RMX_OFF) {
1012		b.full = dfixed_const(2);
1013		if (crtc->vsc.full > b.full)
1014			b.full = crtc->vsc.full;
1015		b.full = dfixed_mul(b, crtc->hsc);
1016		c.full = dfixed_const(2);
1017		b.full = dfixed_div(b, c);
1018		consumption_time.full = dfixed_div(pclk, b);
1019	} else {
1020		consumption_time.full = pclk.full;
1021	}
1022	a.full = dfixed_const(1);
1023	wm->consumption_rate.full = dfixed_div(a, consumption_time);
1024
1025
1026	/* Determine line time
1027	 *  LineTime = total time for one line of displayhtotal
1028	 *  LineTime = total number of horizontal pixels
1029	 *  pclk = pixel clock period(ns)
1030	 */
1031	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
1032	line_time.full = dfixed_mul(a, pclk);
1033
1034	/* Determine active time
1035	 *  ActiveTime = time of active region of display within one line,
1036	 *  hactive = total number of horizontal active pixels
1037	 *  htotal = total number of horizontal pixels
1038	 */
1039	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
1040	b.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
1041	wm->active_time.full = dfixed_mul(line_time, b);
1042	wm->active_time.full = dfixed_div(wm->active_time, a);
1043
1044	/* Determine chunk time
1045	 * ChunkTime = the time it takes the DCP to send one chunk of data
1046	 * to the LB which consists of pipeline delay and inter chunk gap
1047	 * sclk = system clock(Mhz)
1048	 */
1049	a.full = dfixed_const(600 * 1000);
1050	chunk_time.full = dfixed_div(a, sclk);
1051	read_delay_latency.full = dfixed_const(1000);
1052
1053	/* Determine the worst case latency
1054	 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
1055	 * WorstCaseLatency = worst case time from urgent to when the MC starts
1056	 *                    to return data
1057	 * READ_DELAY_IDLE_MAX = constant of 1us
1058	 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
1059	 *             which consists of pipeline delay and inter chunk gap
1060	 */
1061	if (dfixed_trunc(wm->num_line_pair) > 1) {
1062		a.full = dfixed_const(3);
1063		wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
1064		wm->worst_case_latency.full += read_delay_latency.full;
1065	} else {
1066		wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
1067	}
1068
1069	/* Determine the tolerable latency
1070	 * TolerableLatency = Any given request has only 1 line time
1071	 *                    for the data to be returned
1072	 * LBRequestFifoDepth = Number of chunk requests the LB can
1073	 *                      put into the request FIFO for a display
1074	 *  LineTime = total time for one line of display
1075	 *  ChunkTime = the time it takes the DCP to send one chunk
1076	 *              of data to the LB which consists of
1077	 *  pipeline delay and inter chunk gap
1078	 */
1079	if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) {
1080		tolerable_latency.full = line_time.full;
1081	} else {
1082		tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2);
1083		tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
1084		tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time);
1085		tolerable_latency.full = line_time.full - tolerable_latency.full;
1086	}
1087	/* We assume worst case 32bits (4 bytes) */
1088	wm->dbpp.full = dfixed_const(2 * 16);
1089
1090	/* Determine the maximum priority mark
1091	 *  width = viewport width in pixels
1092	 */
1093	a.full = dfixed_const(16);
1094	wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
1095	wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a);
1096	wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max);
1097
1098	/* Determine estimated width */
1099	estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
1100	estimated_width.full = dfixed_div(estimated_width, consumption_time);
1101	if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
1102		wm->priority_mark.full = wm->priority_mark_max.full;
1103	} else {
1104		a.full = dfixed_const(16);
1105		wm->priority_mark.full = dfixed_div(estimated_width, a);
1106		wm->priority_mark.full = dfixed_ceil(wm->priority_mark);
1107		wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
1108	}
1109}
1110
1111static void rv515_compute_mode_priority(struct radeon_device *rdev,
1112					struct rv515_watermark *wm0,
1113					struct rv515_watermark *wm1,
1114					struct drm_display_mode *mode0,
1115					struct drm_display_mode *mode1,
1116					u32 *d1mode_priority_a_cnt,
1117					u32 *d2mode_priority_a_cnt)
1118{
1119	fixed20_12 priority_mark02, priority_mark12, fill_rate;
1120	fixed20_12 a, b;
1121
1122	*d1mode_priority_a_cnt = MODE_PRIORITY_OFF;
1123	*d2mode_priority_a_cnt = MODE_PRIORITY_OFF;
1124
1125	if (mode0 && mode1) {
1126		if (dfixed_trunc(wm0->dbpp) > 64)
1127			a.full = dfixed_div(wm0->dbpp, wm0->num_line_pair);
1128		else
1129			a.full = wm0->num_line_pair.full;
1130		if (dfixed_trunc(wm1->dbpp) > 64)
1131			b.full = dfixed_div(wm1->dbpp, wm1->num_line_pair);
1132		else
1133			b.full = wm1->num_line_pair.full;
1134		a.full += b.full;
1135		fill_rate.full = dfixed_div(wm0->sclk, a);
1136		if (wm0->consumption_rate.full > fill_rate.full) {
1137			b.full = wm0->consumption_rate.full - fill_rate.full;
1138			b.full = dfixed_mul(b, wm0->active_time);
1139			a.full = dfixed_const(16);
1140			b.full = dfixed_div(b, a);
1141			a.full = dfixed_mul(wm0->worst_case_latency,
1142						wm0->consumption_rate);
1143			priority_mark02.full = a.full + b.full;
1144		} else {
1145			a.full = dfixed_mul(wm0->worst_case_latency,
1146						wm0->consumption_rate);
1147			b.full = dfixed_const(16 * 1000);
1148			priority_mark02.full = dfixed_div(a, b);
1149		}
1150		if (wm1->consumption_rate.full > fill_rate.full) {
1151			b.full = wm1->consumption_rate.full - fill_rate.full;
1152			b.full = dfixed_mul(b, wm1->active_time);
1153			a.full = dfixed_const(16);
1154			b.full = dfixed_div(b, a);
1155			a.full = dfixed_mul(wm1->worst_case_latency,
1156						wm1->consumption_rate);
1157			priority_mark12.full = a.full + b.full;
1158		} else {
1159			a.full = dfixed_mul(wm1->worst_case_latency,
1160						wm1->consumption_rate);
1161			b.full = dfixed_const(16 * 1000);
1162			priority_mark12.full = dfixed_div(a, b);
1163		}
1164		if (wm0->priority_mark.full > priority_mark02.full)
1165			priority_mark02.full = wm0->priority_mark.full;
1166		if (wm0->priority_mark_max.full > priority_mark02.full)
1167			priority_mark02.full = wm0->priority_mark_max.full;
1168		if (wm1->priority_mark.full > priority_mark12.full)
1169			priority_mark12.full = wm1->priority_mark.full;
1170		if (wm1->priority_mark_max.full > priority_mark12.full)
1171			priority_mark12.full = wm1->priority_mark_max.full;
1172		*d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1173		*d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1174		if (rdev->disp_priority == 2) {
1175			*d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1176			*d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1177		}
1178	} else if (mode0) {
1179		if (dfixed_trunc(wm0->dbpp) > 64)
1180			a.full = dfixed_div(wm0->dbpp, wm0->num_line_pair);
1181		else
1182			a.full = wm0->num_line_pair.full;
1183		fill_rate.full = dfixed_div(wm0->sclk, a);
1184		if (wm0->consumption_rate.full > fill_rate.full) {
1185			b.full = wm0->consumption_rate.full - fill_rate.full;
1186			b.full = dfixed_mul(b, wm0->active_time);
1187			a.full = dfixed_const(16);
1188			b.full = dfixed_div(b, a);
1189			a.full = dfixed_mul(wm0->worst_case_latency,
1190						wm0->consumption_rate);
1191			priority_mark02.full = a.full + b.full;
1192		} else {
1193			a.full = dfixed_mul(wm0->worst_case_latency,
1194						wm0->consumption_rate);
1195			b.full = dfixed_const(16);
1196			priority_mark02.full = dfixed_div(a, b);
1197		}
1198		if (wm0->priority_mark.full > priority_mark02.full)
1199			priority_mark02.full = wm0->priority_mark.full;
1200		if (wm0->priority_mark_max.full > priority_mark02.full)
1201			priority_mark02.full = wm0->priority_mark_max.full;
1202		*d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1203		if (rdev->disp_priority == 2)
1204			*d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1205	} else if (mode1) {
1206		if (dfixed_trunc(wm1->dbpp) > 64)
1207			a.full = dfixed_div(wm1->dbpp, wm1->num_line_pair);
1208		else
1209			a.full = wm1->num_line_pair.full;
1210		fill_rate.full = dfixed_div(wm1->sclk, a);
1211		if (wm1->consumption_rate.full > fill_rate.full) {
1212			b.full = wm1->consumption_rate.full - fill_rate.full;
1213			b.full = dfixed_mul(b, wm1->active_time);
1214			a.full = dfixed_const(16);
1215			b.full = dfixed_div(b, a);
1216			a.full = dfixed_mul(wm1->worst_case_latency,
1217						wm1->consumption_rate);
1218			priority_mark12.full = a.full + b.full;
1219		} else {
1220			a.full = dfixed_mul(wm1->worst_case_latency,
1221						wm1->consumption_rate);
1222			b.full = dfixed_const(16 * 1000);
1223			priority_mark12.full = dfixed_div(a, b);
1224		}
1225		if (wm1->priority_mark.full > priority_mark12.full)
1226			priority_mark12.full = wm1->priority_mark.full;
1227		if (wm1->priority_mark_max.full > priority_mark12.full)
1228			priority_mark12.full = wm1->priority_mark_max.full;
1229		*d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1230		if (rdev->disp_priority == 2)
1231			*d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1232	}
1233}
1234
1235void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
1236{
1237	struct drm_display_mode *mode0 = NULL;
1238	struct drm_display_mode *mode1 = NULL;
1239	struct rv515_watermark wm0_high, wm0_low;
1240	struct rv515_watermark wm1_high, wm1_low;
1241	u32 tmp;
1242	u32 d1mode_priority_a_cnt, d1mode_priority_b_cnt;
1243	u32 d2mode_priority_a_cnt, d2mode_priority_b_cnt;
1244
1245	if (rdev->mode_info.crtcs[0]->base.enabled)
1246		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1247	if (rdev->mode_info.crtcs[1]->base.enabled)
1248		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1249	rs690_line_buffer_adjust(rdev, mode0, mode1);
1250
1251	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0_high, false);
1252	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1_high, false);
1253
1254	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0_low, false);
1255	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1_low, false);
1256
1257	tmp = wm0_high.lb_request_fifo_depth;
1258	tmp |= wm1_high.lb_request_fifo_depth << 16;
1259	WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
1260
1261	rv515_compute_mode_priority(rdev,
1262				    &wm0_high, &wm1_high,
1263				    mode0, mode1,
1264				    &d1mode_priority_a_cnt, &d2mode_priority_a_cnt);
1265	rv515_compute_mode_priority(rdev,
1266				    &wm0_low, &wm1_low,
1267				    mode0, mode1,
1268				    &d1mode_priority_b_cnt, &d2mode_priority_b_cnt);
1269
1270	WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
1271	WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_b_cnt);
1272	WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
1273	WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_b_cnt);
1274}
1275
1276void rv515_bandwidth_update(struct radeon_device *rdev)
1277{
1278	uint32_t tmp;
1279	struct drm_display_mode *mode0 = NULL;
1280	struct drm_display_mode *mode1 = NULL;
1281
1282	if (!rdev->mode_info.mode_config_initialized)
1283		return;
1284
1285	radeon_update_display_priority(rdev);
1286
1287	if (rdev->mode_info.crtcs[0]->base.enabled)
1288		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1289	if (rdev->mode_info.crtcs[1]->base.enabled)
1290		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1291	/*
1292	 * Set display0/1 priority up in the memory controller for
1293	 * modes if the user specifies HIGH for displaypriority
1294	 * option.
1295	 */
1296	if ((rdev->disp_priority == 2) &&
1297	    (rdev->family == CHIP_RV515)) {
1298		tmp = RREG32_MC(MC_MISC_LAT_TIMER);
1299		tmp &= ~MC_DISP1R_INIT_LAT_MASK;
1300		tmp &= ~MC_DISP0R_INIT_LAT_MASK;
1301		if (mode1)
1302			tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT);
1303		if (mode0)
1304			tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT);
1305		WREG32_MC(MC_MISC_LAT_TIMER, tmp);
1306	}
1307	rv515_bandwidth_avivo_update(rdev);
1308}