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r600_cs.c

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linux-6.19.14/drivers/gpu/drm/radeon/r600_cs.c C
   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#include <linux/kernel.h>
  29
  30#include "radeon.h"
  31#include "radeon_asic.h"
  32#include "r600.h"
  33#include "r600d.h"
  34#include "r600_reg_safe.h"
  35
  36static int r600_nomm;
  37
  38struct r600_cs_track {
  39	/* configuration we mirror so that we use same code btw kms/ums */
  40	u32			group_size;
  41	u32			nbanks;
  42	u32			npipes;
  43	/* value we track */
  44	u32			sq_config;
  45	u32			log_nsamples;
  46	u32			nsamples;
  47	u32			cb_color_base_last[8];
  48	struct radeon_bo	*cb_color_bo[8];
  49	u64			cb_color_bo_mc[8];
  50	u64			cb_color_bo_offset[8];
  51	struct radeon_bo	*cb_color_frag_bo[8];
  52	u64			cb_color_frag_offset[8];
  53	struct radeon_bo	*cb_color_tile_bo[8];
  54	u64			cb_color_tile_offset[8];
  55	u32			cb_color_mask[8];
  56	u32			cb_color_info[8];
  57	u32			cb_color_view[8];
  58	u32			cb_color_size_idx[8]; /* unused */
  59	u32			cb_target_mask;
  60	u32			cb_shader_mask;  /* unused */
  61	bool			is_resolve;
  62	u32			cb_color_size[8];
  63	u32			vgt_strmout_en;
  64	u32			vgt_strmout_buffer_en;
  65	struct radeon_bo	*vgt_strmout_bo[4];
  66	u64			vgt_strmout_bo_mc[4]; /* unused */
  67	u32			vgt_strmout_bo_offset[4];
  68	u32			vgt_strmout_size[4];
  69	u32			db_depth_control;
  70	u32			db_depth_info;
  71	u32			db_depth_size_idx;
  72	u32			db_depth_view;
  73	u32			db_depth_size;
  74	u32			db_offset;
  75	struct radeon_bo	*db_bo;
  76	u64			db_bo_mc;
  77	bool			sx_misc_kill_all_prims;
  78	bool			cb_dirty;
  79	bool			db_dirty;
  80	bool			streamout_dirty;
  81	struct radeon_bo	*htile_bo;
  82	u64			htile_offset;
  83	u32			htile_surface;
  84};
  85
  86#define FMT_8_BIT(fmt, vc)   [fmt] = { 1, 1, 1, vc, CHIP_R600 }
  87#define FMT_16_BIT(fmt, vc)  [fmt] = { 1, 1, 2, vc, CHIP_R600 }
  88#define FMT_24_BIT(fmt)      [fmt] = { 1, 1, 4,  0, CHIP_R600 }
  89#define FMT_32_BIT(fmt, vc)  [fmt] = { 1, 1, 4, vc, CHIP_R600 }
  90#define FMT_48_BIT(fmt)      [fmt] = { 1, 1, 8,  0, CHIP_R600 }
  91#define FMT_64_BIT(fmt, vc)  [fmt] = { 1, 1, 8, vc, CHIP_R600 }
  92#define FMT_96_BIT(fmt)      [fmt] = { 1, 1, 12, 0, CHIP_R600 }
  93#define FMT_128_BIT(fmt, vc) [fmt] = { 1, 1, 16,vc, CHIP_R600 }
  94
  95struct gpu_formats {
  96	unsigned blockwidth;
  97	unsigned blockheight;
  98	unsigned blocksize;
  99	unsigned valid_color;
 100	enum radeon_family min_family;
 101};
 102
 103static const struct gpu_formats color_formats_table[] = {
 104	/* 8 bit */
 105	FMT_8_BIT(V_038004_COLOR_8, 1),
 106	FMT_8_BIT(V_038004_COLOR_4_4, 1),
 107	FMT_8_BIT(V_038004_COLOR_3_3_2, 1),
 108	FMT_8_BIT(V_038004_FMT_1, 0),
 109
 110	/* 16-bit */
 111	FMT_16_BIT(V_038004_COLOR_16, 1),
 112	FMT_16_BIT(V_038004_COLOR_16_FLOAT, 1),
 113	FMT_16_BIT(V_038004_COLOR_8_8, 1),
 114	FMT_16_BIT(V_038004_COLOR_5_6_5, 1),
 115	FMT_16_BIT(V_038004_COLOR_6_5_5, 1),
 116	FMT_16_BIT(V_038004_COLOR_1_5_5_5, 1),
 117	FMT_16_BIT(V_038004_COLOR_4_4_4_4, 1),
 118	FMT_16_BIT(V_038004_COLOR_5_5_5_1, 1),
 119
 120	/* 24-bit */
 121	FMT_24_BIT(V_038004_FMT_8_8_8),
 122
 123	/* 32-bit */
 124	FMT_32_BIT(V_038004_COLOR_32, 1),
 125	FMT_32_BIT(V_038004_COLOR_32_FLOAT, 1),
 126	FMT_32_BIT(V_038004_COLOR_16_16, 1),
 127	FMT_32_BIT(V_038004_COLOR_16_16_FLOAT, 1),
 128	FMT_32_BIT(V_038004_COLOR_8_24, 1),
 129	FMT_32_BIT(V_038004_COLOR_8_24_FLOAT, 1),
 130	FMT_32_BIT(V_038004_COLOR_24_8, 1),
 131	FMT_32_BIT(V_038004_COLOR_24_8_FLOAT, 1),
 132	FMT_32_BIT(V_038004_COLOR_10_11_11, 1),
 133	FMT_32_BIT(V_038004_COLOR_10_11_11_FLOAT, 1),
 134	FMT_32_BIT(V_038004_COLOR_11_11_10, 1),
 135	FMT_32_BIT(V_038004_COLOR_11_11_10_FLOAT, 1),
 136	FMT_32_BIT(V_038004_COLOR_2_10_10_10, 1),
 137	FMT_32_BIT(V_038004_COLOR_8_8_8_8, 1),
 138	FMT_32_BIT(V_038004_COLOR_10_10_10_2, 1),
 139	FMT_32_BIT(V_038004_FMT_5_9_9_9_SHAREDEXP, 0),
 140	FMT_32_BIT(V_038004_FMT_32_AS_8, 0),
 141	FMT_32_BIT(V_038004_FMT_32_AS_8_8, 0),
 142
 143	/* 48-bit */
 144	FMT_48_BIT(V_038004_FMT_16_16_16),
 145	FMT_48_BIT(V_038004_FMT_16_16_16_FLOAT),
 146
 147	/* 64-bit */
 148	FMT_64_BIT(V_038004_COLOR_X24_8_32_FLOAT, 1),
 149	FMT_64_BIT(V_038004_COLOR_32_32, 1),
 150	FMT_64_BIT(V_038004_COLOR_32_32_FLOAT, 1),
 151	FMT_64_BIT(V_038004_COLOR_16_16_16_16, 1),
 152	FMT_64_BIT(V_038004_COLOR_16_16_16_16_FLOAT, 1),
 153
 154	FMT_96_BIT(V_038004_FMT_32_32_32),
 155	FMT_96_BIT(V_038004_FMT_32_32_32_FLOAT),
 156
 157	/* 128-bit */
 158	FMT_128_BIT(V_038004_COLOR_32_32_32_32, 1),
 159	FMT_128_BIT(V_038004_COLOR_32_32_32_32_FLOAT, 1),
 160
 161	[V_038004_FMT_GB_GR] = { 2, 1, 4, 0 },
 162	[V_038004_FMT_BG_RG] = { 2, 1, 4, 0 },
 163
 164	/* block compressed formats */
 165	[V_038004_FMT_BC1] = { 4, 4, 8, 0 },
 166	[V_038004_FMT_BC2] = { 4, 4, 16, 0 },
 167	[V_038004_FMT_BC3] = { 4, 4, 16, 0 },
 168	[V_038004_FMT_BC4] = { 4, 4, 8, 0 },
 169	[V_038004_FMT_BC5] = { 4, 4, 16, 0},
 170	[V_038004_FMT_BC6] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
 171	[V_038004_FMT_BC7] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
 172
 173	/* The other Evergreen formats */
 174	[V_038004_FMT_32_AS_32_32_32_32] = { 1, 1, 4, 0, CHIP_CEDAR},
 175};
 176
 177bool r600_fmt_is_valid_color(u32 format)
 178{
 179	if (format >= ARRAY_SIZE(color_formats_table))
 180		return false;
 181
 182	if (color_formats_table[format].valid_color)
 183		return true;
 184
 185	return false;
 186}
 187
 188bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family)
 189{
 190	if (format >= ARRAY_SIZE(color_formats_table))
 191		return false;
 192
 193	if (family < color_formats_table[format].min_family)
 194		return false;
 195
 196	if (color_formats_table[format].blockwidth > 0)
 197		return true;
 198
 199	return false;
 200}
 201
 202int r600_fmt_get_blocksize(u32 format)
 203{
 204	if (format >= ARRAY_SIZE(color_formats_table))
 205		return 0;
 206
 207	return color_formats_table[format].blocksize;
 208}
 209
 210int r600_fmt_get_nblocksx(u32 format, u32 w)
 211{
 212	unsigned bw;
 213
 214	if (format >= ARRAY_SIZE(color_formats_table))
 215		return 0;
 216
 217	bw = color_formats_table[format].blockwidth;
 218	if (bw == 0)
 219		return 0;
 220
 221	return DIV_ROUND_UP(w, bw);
 222}
 223
 224int r600_fmt_get_nblocksy(u32 format, u32 h)
 225{
 226	unsigned bh;
 227
 228	if (format >= ARRAY_SIZE(color_formats_table))
 229		return 0;
 230
 231	bh = color_formats_table[format].blockheight;
 232	if (bh == 0)
 233		return 0;
 234
 235	return DIV_ROUND_UP(h, bh);
 236}
 237
 238struct array_mode_checker {
 239	int array_mode;
 240	u32 group_size;
 241	u32 nbanks;
 242	u32 npipes;
 243	u32 nsamples;
 244	u32 blocksize;
 245};
 246
 247/* returns alignment in pixels for pitch/height/depth and bytes for base */
 248static int r600_get_array_mode_alignment(struct array_mode_checker *values,
 249						u32 *pitch_align,
 250						u32 *height_align,
 251						u32 *depth_align,
 252						u64 *base_align)
 253{
 254	u32 tile_width = 8;
 255	u32 tile_height = 8;
 256	u32 macro_tile_width = values->nbanks;
 257	u32 macro_tile_height = values->npipes;
 258	u32 tile_bytes = tile_width * tile_height * values->blocksize * values->nsamples;
 259	u32 macro_tile_bytes = macro_tile_width * macro_tile_height * tile_bytes;
 260
 261	switch (values->array_mode) {
 262	case ARRAY_LINEAR_GENERAL:
 263		/* technically tile_width/_height for pitch/height */
 264		*pitch_align = 1; /* tile_width */
 265		*height_align = 1; /* tile_height */
 266		*depth_align = 1;
 267		*base_align = 1;
 268		break;
 269	case ARRAY_LINEAR_ALIGNED:
 270		*pitch_align = max((u32)64, (u32)(values->group_size / values->blocksize));
 271		*height_align = 1;
 272		*depth_align = 1;
 273		*base_align = values->group_size;
 274		break;
 275	case ARRAY_1D_TILED_THIN1:
 276		*pitch_align = max((u32)tile_width,
 277				   (u32)(values->group_size /
 278					 (tile_height * values->blocksize * values->nsamples)));
 279		*height_align = tile_height;
 280		*depth_align = 1;
 281		*base_align = values->group_size;
 282		break;
 283	case ARRAY_2D_TILED_THIN1:
 284		*pitch_align = max((u32)macro_tile_width * tile_width,
 285				(u32)((values->group_size * values->nbanks) /
 286				(values->blocksize * values->nsamples * tile_width)));
 287		*height_align = macro_tile_height * tile_height;
 288		*depth_align = 1;
 289		*base_align = max(macro_tile_bytes,
 290				  (*pitch_align) * values->blocksize * (*height_align) * values->nsamples);
 291		break;
 292	default:
 293		return -EINVAL;
 294	}
 295
 296	return 0;
 297}
 298
 299static void r600_cs_track_init(struct r600_cs_track *track)
 300{
 301	int i;
 302
 303	/* assume DX9 mode */
 304	track->sq_config = DX9_CONSTS;
 305	for (i = 0; i < 8; i++) {
 306		track->cb_color_base_last[i] = 0;
 307		track->cb_color_size[i] = 0;
 308		track->cb_color_size_idx[i] = 0;
 309		track->cb_color_info[i] = 0;
 310		track->cb_color_view[i] = 0xFFFFFFFF;
 311		track->cb_color_bo[i] = NULL;
 312		track->cb_color_bo_offset[i] = 0xFFFFFFFF;
 313		track->cb_color_bo_mc[i] = 0xFFFFFFFF;
 314		track->cb_color_frag_bo[i] = NULL;
 315		track->cb_color_frag_offset[i] = 0xFFFFFFFF;
 316		track->cb_color_tile_bo[i] = NULL;
 317		track->cb_color_tile_offset[i] = 0xFFFFFFFF;
 318		track->cb_color_mask[i] = 0xFFFFFFFF;
 319	}
 320	track->is_resolve = false;
 321	track->nsamples = 16;
 322	track->log_nsamples = 4;
 323	track->cb_target_mask = 0xFFFFFFFF;
 324	track->cb_shader_mask = 0xFFFFFFFF;
 325	track->cb_dirty = true;
 326	track->db_bo = NULL;
 327	track->db_bo_mc = 0xFFFFFFFF;
 328	/* assume the biggest format and that htile is enabled */
 329	track->db_depth_info = 7 | (1 << 25);
 330	track->db_depth_view = 0xFFFFC000;
 331	track->db_depth_size = 0xFFFFFFFF;
 332	track->db_depth_size_idx = 0;
 333	track->db_depth_control = 0xFFFFFFFF;
 334	track->db_dirty = true;
 335	track->htile_bo = NULL;
 336	track->htile_offset = 0xFFFFFFFF;
 337	track->htile_surface = 0;
 338
 339	for (i = 0; i < 4; i++) {
 340		track->vgt_strmout_size[i] = 0;
 341		track->vgt_strmout_bo[i] = NULL;
 342		track->vgt_strmout_bo_offset[i] = 0xFFFFFFFF;
 343		track->vgt_strmout_bo_mc[i] = 0xFFFFFFFF;
 344	}
 345	track->streamout_dirty = true;
 346	track->sx_misc_kill_all_prims = false;
 347}
 348
 349static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
 350{
 351	struct r600_cs_track *track = p->track;
 352	u32 slice_tile_max, tmp;
 353	u32 height, height_align, pitch, pitch_align, depth_align;
 354	u64 base_offset, base_align;
 355	struct array_mode_checker array_check;
 356	volatile u32 *ib = p->ib.ptr;
 357	unsigned array_mode;
 358	u32 format;
 359	/* When resolve is used, the second colorbuffer has always 1 sample. */
 360	unsigned nsamples = track->is_resolve && i == 1 ? 1 : track->nsamples;
 361
 362	format = G_0280A0_FORMAT(track->cb_color_info[i]);
 363	if (!r600_fmt_is_valid_color(format)) {
 364		dev_warn_once(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n",
 365			      __func__, __LINE__, format,
 366			      i, track->cb_color_info[i]);
 367		return -EINVAL;
 368	}
 369	/* pitch in pixels */
 370	pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) * 8;
 371	slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1;
 372	slice_tile_max *= 64;
 373	height = slice_tile_max / pitch;
 374	if (height > 8192)
 375		height = 8192;
 376	array_mode = G_0280A0_ARRAY_MODE(track->cb_color_info[i]);
 377
 378	base_offset = track->cb_color_bo_mc[i] + track->cb_color_bo_offset[i];
 379	array_check.array_mode = array_mode;
 380	array_check.group_size = track->group_size;
 381	array_check.nbanks = track->nbanks;
 382	array_check.npipes = track->npipes;
 383	array_check.nsamples = nsamples;
 384	array_check.blocksize = r600_fmt_get_blocksize(format);
 385	if (r600_get_array_mode_alignment(&array_check,
 386					  &pitch_align, &height_align, &depth_align, &base_align)) {
 387		dev_warn_once(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
 388			      G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
 389			      track->cb_color_info[i]);
 390		return -EINVAL;
 391	}
 392	switch (array_mode) {
 393	case V_0280A0_ARRAY_LINEAR_GENERAL:
 394		break;
 395	case V_0280A0_ARRAY_LINEAR_ALIGNED:
 396		break;
 397	case V_0280A0_ARRAY_1D_TILED_THIN1:
 398		/* avoid breaking userspace */
 399		if (height > 7)
 400			height &= ~0x7;
 401		break;
 402	case V_0280A0_ARRAY_2D_TILED_THIN1:
 403		break;
 404	default:
 405		dev_warn_once(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
 406			      G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
 407			      track->cb_color_info[i]);
 408		return -EINVAL;
 409	}
 410
 411	if (!IS_ALIGNED(pitch, pitch_align)) {
 412		dev_warn_once(p->dev, "%s:%d cb pitch (%d, 0x%x, %d) invalid\n",
 413			      __func__, __LINE__, pitch, pitch_align, array_mode);
 414		return -EINVAL;
 415	}
 416	if (!IS_ALIGNED(height, height_align)) {
 417		dev_warn_once(p->dev, "%s:%d cb height (%d, 0x%x, %d) invalid\n",
 418			      __func__, __LINE__, height, height_align, array_mode);
 419		return -EINVAL;
 420	}
 421	if (!IS_ALIGNED(base_offset, base_align)) {
 422		dev_warn_once(p->dev,
 423			      "%s offset[%d] 0x%llx 0x%llx, %d not aligned\n", __func__, i,
 424			      base_offset, base_align, array_mode);
 425		return -EINVAL;
 426	}
 427
 428	/* check offset */
 429	tmp = r600_fmt_get_nblocksy(format, height) * r600_fmt_get_nblocksx(format, pitch) *
 430	      r600_fmt_get_blocksize(format) * nsamples;
 431	switch (array_mode) {
 432	default:
 433	case V_0280A0_ARRAY_LINEAR_GENERAL:
 434	case V_0280A0_ARRAY_LINEAR_ALIGNED:
 435		tmp += track->cb_color_view[i] & 0xFF;
 436		break;
 437	case V_0280A0_ARRAY_1D_TILED_THIN1:
 438	case V_0280A0_ARRAY_2D_TILED_THIN1:
 439		tmp += G_028080_SLICE_MAX(track->cb_color_view[i]) * tmp;
 440		break;
 441	}
 442	if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) {
 443		if (array_mode == V_0280A0_ARRAY_LINEAR_GENERAL) {
 444			/* the initial DDX does bad things with the CB size occasionally */
 445			/* it rounds up height too far for slice tile max but the BO is smaller */
 446			/* r600c,g also seem to flush at bad times in some apps resulting in
 447			 * bogus values here. So for linear just allow anything to avoid breaking
 448			 * broken userspace.
 449			 */
 450		} else {
 451			dev_warn_once(p->dev,
 452				      "%s offset[%d] %d %llu %d %lu too big (%d %d) (%d %d %d)\n",
 453				      __func__, i, array_mode,
 454				      track->cb_color_bo_offset[i], tmp,
 455				      radeon_bo_size(track->cb_color_bo[i]),
 456				      pitch, height, r600_fmt_get_nblocksx(format, pitch),
 457				      r600_fmt_get_nblocksy(format, height),
 458				      r600_fmt_get_blocksize(format));
 459			return -EINVAL;
 460		}
 461	}
 462	/* limit max tile */
 463	tmp = (height * pitch) >> 6;
 464	if (tmp < slice_tile_max)
 465		slice_tile_max = tmp;
 466	tmp = S_028060_PITCH_TILE_MAX((pitch / 8) - 1) |
 467		S_028060_SLICE_TILE_MAX(slice_tile_max - 1);
 468	ib[track->cb_color_size_idx[i]] = tmp;
 469
 470	/* FMASK/CMASK */
 471	switch (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
 472	case V_0280A0_TILE_DISABLE:
 473		break;
 474	case V_0280A0_FRAG_ENABLE:
 475		if (track->nsamples > 1) {
 476			uint32_t tile_max = G_028100_FMASK_TILE_MAX(track->cb_color_mask[i]);
 477			/* the tile size is 8x8, but the size is in units of bits.
 478			 * for bytes, do just * 8. */
 479			uint32_t bytes = track->nsamples * track->log_nsamples * 8 * (tile_max + 1);
 480
 481			if (bytes + track->cb_color_frag_offset[i] >
 482			    radeon_bo_size(track->cb_color_frag_bo[i])) {
 483				dev_warn_once(p->dev, "%s FMASK_TILE_MAX too large "
 484					      "(tile_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n",
 485					      __func__, tile_max, bytes,
 486					      track->cb_color_frag_offset[i],
 487					      radeon_bo_size(track->cb_color_frag_bo[i]));
 488				return -EINVAL;
 489			}
 490		}
 491		fallthrough;
 492	case V_0280A0_CLEAR_ENABLE:
 493	{
 494		uint32_t block_max = G_028100_CMASK_BLOCK_MAX(track->cb_color_mask[i]);
 495		/* One block = 128x128 pixels, one 8x8 tile has 4 bits..
 496		 * (128*128) / (8*8) / 2 = 128 bytes per block. */
 497		uint32_t bytes = (block_max + 1) * 128;
 498
 499		if (bytes + track->cb_color_tile_offset[i] >
 500		    radeon_bo_size(track->cb_color_tile_bo[i])) {
 501			dev_warn_once(p->dev, "%s CMASK_BLOCK_MAX too large "
 502				      "(block_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n",
 503				      __func__, block_max, bytes,
 504				      track->cb_color_tile_offset[i],
 505				      radeon_bo_size(track->cb_color_tile_bo[i]));
 506			return -EINVAL;
 507		}
 508		break;
 509	}
 510	default:
 511		dev_warn_once(p->dev, "%s invalid tile mode\n", __func__);
 512		return -EINVAL;
 513	}
 514	return 0;
 515}
 516
 517static int r600_cs_track_validate_db(struct radeon_cs_parser *p)
 518{
 519	struct r600_cs_track *track = p->track;
 520	u32 nviews, bpe, ntiles, slice_tile_max, tmp;
 521	u32 height_align, pitch_align, depth_align;
 522	u32 pitch = 8192;
 523	u32 height = 8192;
 524	u64 base_offset, base_align;
 525	struct array_mode_checker array_check;
 526	int array_mode;
 527	volatile u32 *ib = p->ib.ptr;
 528
 529
 530	if (track->db_bo == NULL) {
 531		dev_warn_once(p->dev, "z/stencil with no depth buffer\n");
 532		return -EINVAL;
 533	}
 534	switch (G_028010_FORMAT(track->db_depth_info)) {
 535	case V_028010_DEPTH_16:
 536		bpe = 2;
 537		break;
 538	case V_028010_DEPTH_X8_24:
 539	case V_028010_DEPTH_8_24:
 540	case V_028010_DEPTH_X8_24_FLOAT:
 541	case V_028010_DEPTH_8_24_FLOAT:
 542	case V_028010_DEPTH_32_FLOAT:
 543		bpe = 4;
 544		break;
 545	case V_028010_DEPTH_X24_8_32_FLOAT:
 546		bpe = 8;
 547		break;
 548	default:
 549		dev_warn_once(p->dev,
 550			      "z/stencil with invalid format %d\n",
 551			      G_028010_FORMAT(track->db_depth_info));
 552		return -EINVAL;
 553	}
 554	if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
 555		if (!track->db_depth_size_idx) {
 556			dev_warn_once(p->dev, "z/stencil buffer size not set\n");
 557			return -EINVAL;
 558		}
 559		tmp = radeon_bo_size(track->db_bo) - track->db_offset;
 560		tmp = (tmp / bpe) >> 6;
 561		if (!tmp) {
 562			dev_warn_once(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n",
 563				      track->db_depth_size, bpe, track->db_offset,
 564				      radeon_bo_size(track->db_bo));
 565			return -EINVAL;
 566		}
 567		ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF);
 568	} else {
 569		/* pitch in pixels */
 570		pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8;
 571		slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
 572		slice_tile_max *= 64;
 573		height = slice_tile_max / pitch;
 574		if (height > 8192)
 575			height = 8192;
 576		base_offset = track->db_bo_mc + track->db_offset;
 577		array_mode = G_028010_ARRAY_MODE(track->db_depth_info);
 578		array_check.array_mode = array_mode;
 579		array_check.group_size = track->group_size;
 580		array_check.nbanks = track->nbanks;
 581		array_check.npipes = track->npipes;
 582		array_check.nsamples = track->nsamples;
 583		array_check.blocksize = bpe;
 584		if (r600_get_array_mode_alignment(&array_check,
 585					&pitch_align, &height_align, &depth_align, &base_align)) {
 586			dev_warn_once(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
 587				      G_028010_ARRAY_MODE(track->db_depth_info),
 588				      track->db_depth_info);
 589			return -EINVAL;
 590		}
 591		switch (array_mode) {
 592		case V_028010_ARRAY_1D_TILED_THIN1:
 593			/* don't break userspace */
 594			height &= ~0x7;
 595			break;
 596		case V_028010_ARRAY_2D_TILED_THIN1:
 597			break;
 598		default:
 599			dev_warn_once(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
 600				      G_028010_ARRAY_MODE(track->db_depth_info),
 601				      track->db_depth_info);
 602			return -EINVAL;
 603		}
 604
 605		if (!IS_ALIGNED(pitch, pitch_align)) {
 606			dev_warn_once(p->dev, "%s:%d db pitch (%d, 0x%x, %d) invalid\n",
 607					__func__, __LINE__, pitch, pitch_align, array_mode);
 608			return -EINVAL;
 609		}
 610		if (!IS_ALIGNED(height, height_align)) {
 611			dev_warn_once(p->dev, "%s:%d db height (%d, 0x%x, %d) invalid\n",
 612					__func__, __LINE__, height, height_align, array_mode);
 613			return -EINVAL;
 614		}
 615		if (!IS_ALIGNED(base_offset, base_align)) {
 616			dev_warn_once(p->dev, "%s offset 0x%llx, 0x%llx, %d not aligned\n", __func__,
 617					base_offset, base_align, array_mode);
 618			return -EINVAL;
 619		}
 620
 621		ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
 622		nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1;
 623		tmp = ntiles * bpe * 64 * nviews * track->nsamples;
 624		if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) {
 625			dev_warn_once(p->dev,
 626				      "z/stencil buffer (%d) too small (0x%08X %d %d %d -> %u have %lu)\n",
 627				      array_mode,
 628				      track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
 629				      radeon_bo_size(track->db_bo));
 630			return -EINVAL;
 631		}
 632	}
 633
 634	/* hyperz */
 635	if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) {
 636		unsigned long size;
 637		unsigned nbx, nby;
 638
 639		if (track->htile_bo == NULL) {
 640			dev_warn_once(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n",
 641				      __func__, __LINE__, track->db_depth_info);
 642			return -EINVAL;
 643		}
 644		if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
 645			dev_warn_once(p->dev, "%s:%d htile can't be enabled with bogus db_depth_size 0x%08x\n",
 646				      __func__, __LINE__, track->db_depth_size);
 647			return -EINVAL;
 648		}
 649
 650		nbx = pitch;
 651		nby = height;
 652		if (G_028D24_LINEAR(track->htile_surface)) {
 653			/* nbx must be 16 htiles aligned == 16 * 8 pixel aligned */
 654			nbx = round_up(nbx, 16 * 8);
 655			/* nby is npipes htiles aligned == npipes * 8 pixel aligned */
 656			nby = round_up(nby, track->npipes * 8);
 657		} else {
 658			/* always assume 8x8 htile */
 659			/* align is htile align * 8, htile align vary according to
 660			 * number of pipe and tile width and nby
 661			 */
 662			switch (track->npipes) {
 663			case 8:
 664				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 665				nbx = round_up(nbx, 64 * 8);
 666				nby = round_up(nby, 64 * 8);
 667				break;
 668			case 4:
 669				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 670				nbx = round_up(nbx, 64 * 8);
 671				nby = round_up(nby, 32 * 8);
 672				break;
 673			case 2:
 674				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 675				nbx = round_up(nbx, 32 * 8);
 676				nby = round_up(nby, 32 * 8);
 677				break;
 678			case 1:
 679				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 680				nbx = round_up(nbx, 32 * 8);
 681				nby = round_up(nby, 16 * 8);
 682				break;
 683			default:
 684				dev_warn_once(p->dev, "%s:%d invalid num pipes %d\n",
 685					      __func__, __LINE__, track->npipes);
 686				return -EINVAL;
 687			}
 688		}
 689		/* compute number of htile */
 690		nbx = nbx >> 3;
 691		nby = nby >> 3;
 692		/* size must be aligned on npipes * 2K boundary */
 693		size = roundup(nbx * nby * 4, track->npipes * (2 << 10));
 694		size += track->htile_offset;
 695
 696		if (size > radeon_bo_size(track->htile_bo)) {
 697			dev_warn_once(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n",
 698				      __func__, __LINE__, radeon_bo_size(track->htile_bo),
 699				      size, nbx, nby);
 700			return -EINVAL;
 701		}
 702	}
 703
 704	track->db_dirty = false;
 705	return 0;
 706}
 707
 708static int r600_cs_track_check(struct radeon_cs_parser *p)
 709{
 710	struct r600_cs_track *track = p->track;
 711	u32 tmp;
 712	int r, i;
 713
 714	/* on legacy kernel we don't perform advanced check */
 715	if (p->rdev == NULL)
 716		return 0;
 717
 718	/* check streamout */
 719	if (track->streamout_dirty && track->vgt_strmout_en) {
 720		for (i = 0; i < 4; i++) {
 721			if (track->vgt_strmout_buffer_en & (1 << i)) {
 722				if (track->vgt_strmout_bo[i]) {
 723					u64 offset = (u64)track->vgt_strmout_bo_offset[i] +
 724						(u64)track->vgt_strmout_size[i];
 725					if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) {
 726						dev_warn_once(p->dev, "streamout %d bo too small: 0x%llx, 0x%lx\n",
 727							      i, offset,
 728							      radeon_bo_size(track->vgt_strmout_bo[i]));
 729						return -EINVAL;
 730					}
 731				} else {
 732					dev_warn_once(p->dev, "No buffer for streamout %d\n", i);
 733					return -EINVAL;
 734				}
 735			}
 736		}
 737		track->streamout_dirty = false;
 738	}
 739
 740	if (track->sx_misc_kill_all_prims)
 741		return 0;
 742
 743	/* check that we have a cb for each enabled target, we don't check
 744	 * shader_mask because it seems mesa isn't always setting it :(
 745	 */
 746	if (track->cb_dirty) {
 747		tmp = track->cb_target_mask;
 748
 749		/* We must check both colorbuffers for RESOLVE. */
 750		if (track->is_resolve) {
 751			tmp |= 0xff;
 752		}
 753
 754		for (i = 0; i < 8; i++) {
 755			u32 format = G_0280A0_FORMAT(track->cb_color_info[i]);
 756
 757			if (format != V_0280A0_COLOR_INVALID &&
 758			    (tmp >> (i * 4)) & 0xF) {
 759				/* at least one component is enabled */
 760				if (track->cb_color_bo[i] == NULL) {
 761					dev_warn_once(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
 762						      __func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
 763					return -EINVAL;
 764				}
 765				/* perform rewrite of CB_COLOR[0-7]_SIZE */
 766				r = r600_cs_track_validate_cb(p, i);
 767				if (r)
 768					return r;
 769			}
 770		}
 771		track->cb_dirty = false;
 772	}
 773
 774	/* Check depth buffer */
 775	if (track->db_dirty &&
 776	    G_028010_FORMAT(track->db_depth_info) != V_028010_DEPTH_INVALID &&
 777	    (G_028800_STENCIL_ENABLE(track->db_depth_control) ||
 778	     G_028800_Z_ENABLE(track->db_depth_control))) {
 779		r = r600_cs_track_validate_db(p);
 780		if (r)
 781			return r;
 782	}
 783
 784	return 0;
 785}
 786
 787/**
 788 * r600_cs_packet_parse_vline() - parse userspace VLINE packet
 789 * @p:		parser structure holding parsing context.
 790 *
 791 * This is an R600-specific function for parsing VLINE packets.
 792 * Real work is done by r600_cs_common_vline_parse function.
 793 * Here we just set up ASIC-specific register table and call
 794 * the common implementation function.
 795 */
 796static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p)
 797{
 798	static uint32_t vline_start_end[2] = {AVIVO_D1MODE_VLINE_START_END,
 799					      AVIVO_D2MODE_VLINE_START_END};
 800	static uint32_t vline_status[2] = {AVIVO_D1MODE_VLINE_STATUS,
 801					   AVIVO_D2MODE_VLINE_STATUS};
 802
 803	return r600_cs_common_vline_parse(p, vline_start_end, vline_status);
 804}
 805
 806/**
 807 * r600_cs_common_vline_parse() - common vline parser
 808 * @p:			parser structure holding parsing context.
 809 * @vline_start_end:    table of vline_start_end registers
 810 * @vline_status:       table of vline_status registers
 811 *
 812 * Userspace sends a special sequence for VLINE waits.
 813 * PACKET0 - VLINE_START_END + value
 814 * PACKET3 - WAIT_REG_MEM poll vline status reg
 815 * RELOC (P3) - crtc_id in reloc.
 816 *
 817 * This function parses this and relocates the VLINE START END
 818 * and WAIT_REG_MEM packets to the correct crtc.
 819 * It also detects a switched off crtc and nulls out the
 820 * wait in that case. This function is common for all ASICs that
 821 * are R600 and newer. The parsing algorithm is the same, and only
 822 * differs in which registers are used.
 823 *
 824 * Caller is the ASIC-specific function which passes the parser
 825 * context and ASIC-specific register table
 826 */
 827int r600_cs_common_vline_parse(struct radeon_cs_parser *p,
 828			       uint32_t *vline_start_end,
 829			       uint32_t *vline_status)
 830{
 831	struct drm_crtc *crtc;
 832	struct radeon_crtc *radeon_crtc;
 833	struct radeon_cs_packet p3reloc, wait_reg_mem;
 834	int crtc_id;
 835	int r;
 836	uint32_t header, h_idx, reg, wait_reg_mem_info;
 837	volatile uint32_t *ib;
 838
 839	ib = p->ib.ptr;
 840
 841	/* parse the WAIT_REG_MEM */
 842	r = radeon_cs_packet_parse(p, &wait_reg_mem, p->idx);
 843	if (r)
 844		return r;
 845
 846	/* check its a WAIT_REG_MEM */
 847	if (wait_reg_mem.type != RADEON_PACKET_TYPE3 ||
 848	    wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) {
 849		dev_warn_once(p->dev, "vline wait missing WAIT_REG_MEM segment\n");
 850		return -EINVAL;
 851	}
 852
 853	wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1);
 854	/* bit 4 is reg (0) or mem (1) */
 855	if (wait_reg_mem_info & 0x10) {
 856		dev_warn_once(p->dev, "vline WAIT_REG_MEM waiting on MEM instead of REG\n");
 857		return -EINVAL;
 858	}
 859	/* bit 8 is me (0) or pfp (1) */
 860	if (wait_reg_mem_info & 0x100) {
 861		dev_warn_once(p->dev, "vline WAIT_REG_MEM waiting on PFP instead of ME\n");
 862		return -EINVAL;
 863	}
 864	/* waiting for value to be equal */
 865	if ((wait_reg_mem_info & 0x7) != 0x3) {
 866		dev_warn_once(p->dev, "vline WAIT_REG_MEM function not equal\n");
 867		return -EINVAL;
 868	}
 869	if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != vline_status[0]) {
 870		dev_warn_once(p->dev, "vline WAIT_REG_MEM bad reg\n");
 871		return -EINVAL;
 872	}
 873
 874	if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != RADEON_VLINE_STAT) {
 875		dev_warn_once(p->dev, "vline WAIT_REG_MEM bad bit mask\n");
 876		return -EINVAL;
 877	}
 878
 879	/* jump over the NOP */
 880	r = radeon_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2);
 881	if (r)
 882		return r;
 883
 884	h_idx = p->idx - 2;
 885	p->idx += wait_reg_mem.count + 2;
 886	p->idx += p3reloc.count + 2;
 887
 888	header = radeon_get_ib_value(p, h_idx);
 889	crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1);
 890	reg = R600_CP_PACKET0_GET_REG(header);
 891
 892	crtc = drm_crtc_find(rdev_to_drm(p->rdev), p->filp, crtc_id);
 893	if (!crtc) {
 894		dev_warn_once(p->dev, "cannot find crtc %d\n", crtc_id);
 895		return -ENOENT;
 896	}
 897	radeon_crtc = to_radeon_crtc(crtc);
 898	crtc_id = radeon_crtc->crtc_id;
 899
 900	if (!crtc->enabled) {
 901		/* CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */
 902		ib[h_idx + 2] = PACKET2(0);
 903		ib[h_idx + 3] = PACKET2(0);
 904		ib[h_idx + 4] = PACKET2(0);
 905		ib[h_idx + 5] = PACKET2(0);
 906		ib[h_idx + 6] = PACKET2(0);
 907		ib[h_idx + 7] = PACKET2(0);
 908		ib[h_idx + 8] = PACKET2(0);
 909	} else if (reg == vline_start_end[0]) {
 910		header &= ~R600_CP_PACKET0_REG_MASK;
 911		header |= vline_start_end[crtc_id] >> 2;
 912		ib[h_idx] = header;
 913		ib[h_idx + 4] = vline_status[crtc_id] >> 2;
 914	} else {
 915		dev_warn_once(p->dev, "unknown crtc reloc\n");
 916		return -EINVAL;
 917	}
 918	return 0;
 919}
 920
 921static int r600_packet0_check(struct radeon_cs_parser *p,
 922				struct radeon_cs_packet *pkt,
 923				unsigned idx, unsigned reg)
 924{
 925	int r;
 926
 927	switch (reg) {
 928	case AVIVO_D1MODE_VLINE_START_END:
 929		r = r600_cs_packet_parse_vline(p);
 930		if (r) {
 931			dev_warn_once(p->dev, "No reloc for ib[%d]=0x%04X\n",
 932				      idx, reg);
 933			return r;
 934		}
 935		break;
 936	default:
 937		pr_err("Forbidden register 0x%04X in cs at %d\n", reg, idx);
 938		return -EINVAL;
 939	}
 940	return 0;
 941}
 942
 943static int r600_cs_parse_packet0(struct radeon_cs_parser *p,
 944				struct radeon_cs_packet *pkt)
 945{
 946	unsigned reg, i;
 947	unsigned idx;
 948	int r;
 949
 950	idx = pkt->idx + 1;
 951	reg = pkt->reg;
 952	for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
 953		r = r600_packet0_check(p, pkt, idx, reg);
 954		if (r) {
 955			return r;
 956		}
 957	}
 958	return 0;
 959}
 960
 961/**
 962 * r600_cs_check_reg() - check if register is authorized or not
 963 * @p: parser structure holding parsing context
 964 * @reg: register we are testing
 965 * @idx: index into the cs buffer
 966 *
 967 * This function will test against r600_reg_safe_bm and return 0
 968 * if register is safe. If register is not flag as safe this function
 969 * will test it against a list of register needing special handling.
 970 */
 971static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
 972{
 973	struct r600_cs_track *track = (struct r600_cs_track *)p->track;
 974	struct radeon_bo_list *reloc;
 975	u32 m, i, tmp, *ib;
 976	int r;
 977
 978	i = (reg >> 7);
 979	if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
 980		dev_warn_once(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
 981		return -EINVAL;
 982	}
 983	m = 1 << ((reg >> 2) & 31);
 984	if (!(r600_reg_safe_bm[i] & m))
 985		return 0;
 986	ib = p->ib.ptr;
 987	switch (reg) {
 988	/* force following reg to 0 in an attempt to disable out buffer
 989	 * which will need us to better understand how it works to perform
 990	 * security check on it (Jerome)
 991	 */
 992	case R_0288A8_SQ_ESGS_RING_ITEMSIZE:
 993	case R_008C44_SQ_ESGS_RING_SIZE:
 994	case R_0288B0_SQ_ESTMP_RING_ITEMSIZE:
 995	case R_008C54_SQ_ESTMP_RING_SIZE:
 996	case R_0288C0_SQ_FBUF_RING_ITEMSIZE:
 997	case R_008C74_SQ_FBUF_RING_SIZE:
 998	case R_0288B4_SQ_GSTMP_RING_ITEMSIZE:
 999	case R_008C5C_SQ_GSTMP_RING_SIZE:
1000	case R_0288AC_SQ_GSVS_RING_ITEMSIZE:
1001	case R_008C4C_SQ_GSVS_RING_SIZE:
1002	case R_0288BC_SQ_PSTMP_RING_ITEMSIZE:
1003	case R_008C6C_SQ_PSTMP_RING_SIZE:
1004	case R_0288C4_SQ_REDUC_RING_ITEMSIZE:
1005	case R_008C7C_SQ_REDUC_RING_SIZE:
1006	case R_0288B8_SQ_VSTMP_RING_ITEMSIZE:
1007	case R_008C64_SQ_VSTMP_RING_SIZE:
1008	case R_0288C8_SQ_GS_VERT_ITEMSIZE:
1009		/* get value to populate the IB don't remove */
1010		/*tmp =radeon_get_ib_value(p, idx);
1011		  ib[idx] = 0;*/
1012		break;
1013	case SQ_ESGS_RING_BASE:
1014	case SQ_GSVS_RING_BASE:
1015	case SQ_ESTMP_RING_BASE:
1016	case SQ_GSTMP_RING_BASE:
1017	case SQ_PSTMP_RING_BASE:
1018	case SQ_VSTMP_RING_BASE:
1019		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1020		if (r) {
1021			dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
1022				      "0x%04X\n", reg);
1023			return -EINVAL;
1024		}
1025		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1026		break;
1027	case SQ_CONFIG:
1028		track->sq_config = radeon_get_ib_value(p, idx);
1029		break;
1030	case R_028800_DB_DEPTH_CONTROL:
1031		track->db_depth_control = radeon_get_ib_value(p, idx);
1032		track->db_dirty = true;
1033		break;
1034	case R_028010_DB_DEPTH_INFO:
1035		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
1036		    radeon_cs_packet_next_is_pkt3_nop(p)) {
1037			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1038			if (r) {
1039				dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
1040					      "0x%04X\n", reg);
1041				return -EINVAL;
1042			}
1043			track->db_depth_info = radeon_get_ib_value(p, idx);
1044			ib[idx] &= C_028010_ARRAY_MODE;
1045			track->db_depth_info &= C_028010_ARRAY_MODE;
1046			if (reloc->tiling_flags & RADEON_TILING_MACRO) {
1047				ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
1048				track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
1049			} else {
1050				ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
1051				track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
1052			}
1053		} else {
1054			track->db_depth_info = radeon_get_ib_value(p, idx);
1055		}
1056		track->db_dirty = true;
1057		break;
1058	case R_028004_DB_DEPTH_VIEW:
1059		track->db_depth_view = radeon_get_ib_value(p, idx);
1060		track->db_dirty = true;
1061		break;
1062	case R_028000_DB_DEPTH_SIZE:
1063		track->db_depth_size = radeon_get_ib_value(p, idx);
1064		track->db_depth_size_idx = idx;
1065		track->db_dirty = true;
1066		break;
1067	case R_028AB0_VGT_STRMOUT_EN:
1068		track->vgt_strmout_en = radeon_get_ib_value(p, idx);
1069		track->streamout_dirty = true;
1070		break;
1071	case R_028B20_VGT_STRMOUT_BUFFER_EN:
1072		track->vgt_strmout_buffer_en = radeon_get_ib_value(p, idx);
1073		track->streamout_dirty = true;
1074		break;
1075	case VGT_STRMOUT_BUFFER_BASE_0:
1076	case VGT_STRMOUT_BUFFER_BASE_1:
1077	case VGT_STRMOUT_BUFFER_BASE_2:
1078	case VGT_STRMOUT_BUFFER_BASE_3:
1079		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1080		if (r) {
1081			dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
1082				      "0x%04X\n", reg);
1083			return -EINVAL;
1084		}
1085		tmp = (reg - VGT_STRMOUT_BUFFER_BASE_0) / 16;
1086		track->vgt_strmout_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1087		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1088		track->vgt_strmout_bo[tmp] = reloc->robj;
1089		track->vgt_strmout_bo_mc[tmp] = reloc->gpu_offset;
1090		track->streamout_dirty = true;
1091		break;
1092	case VGT_STRMOUT_BUFFER_SIZE_0:
1093	case VGT_STRMOUT_BUFFER_SIZE_1:
1094	case VGT_STRMOUT_BUFFER_SIZE_2:
1095	case VGT_STRMOUT_BUFFER_SIZE_3:
1096		tmp = (reg - VGT_STRMOUT_BUFFER_SIZE_0) / 16;
1097		/* size in register is DWs, convert to bytes */
1098		track->vgt_strmout_size[tmp] = radeon_get_ib_value(p, idx) * 4;
1099		track->streamout_dirty = true;
1100		break;
1101	case CP_COHER_BASE:
1102		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1103		if (r) {
1104			dev_warn_once(p->dev, "missing reloc for CP_COHER_BASE "
1105				      "0x%04X\n", reg);
1106			return -EINVAL;
1107		}
1108		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1109		break;
1110	case R_028238_CB_TARGET_MASK:
1111		track->cb_target_mask = radeon_get_ib_value(p, idx);
1112		track->cb_dirty = true;
1113		break;
1114	case R_02823C_CB_SHADER_MASK:
1115		track->cb_shader_mask = radeon_get_ib_value(p, idx);
1116		break;
1117	case R_028C04_PA_SC_AA_CONFIG:
1118		tmp = G_028C04_MSAA_NUM_SAMPLES(radeon_get_ib_value(p, idx));
1119		track->log_nsamples = tmp;
1120		track->nsamples = 1 << tmp;
1121		track->cb_dirty = true;
1122		break;
1123	case R_028808_CB_COLOR_CONTROL:
1124		tmp = G_028808_SPECIAL_OP(radeon_get_ib_value(p, idx));
1125		track->is_resolve = tmp == V_028808_SPECIAL_RESOLVE_BOX;
1126		track->cb_dirty = true;
1127		break;
1128	case R_0280A0_CB_COLOR0_INFO:
1129	case R_0280A4_CB_COLOR1_INFO:
1130	case R_0280A8_CB_COLOR2_INFO:
1131	case R_0280AC_CB_COLOR3_INFO:
1132	case R_0280B0_CB_COLOR4_INFO:
1133	case R_0280B4_CB_COLOR5_INFO:
1134	case R_0280B8_CB_COLOR6_INFO:
1135	case R_0280BC_CB_COLOR7_INFO:
1136		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
1137		     radeon_cs_packet_next_is_pkt3_nop(p)) {
1138			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1139			if (r) {
1140				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1141				return -EINVAL;
1142			}
1143			tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1144			track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1145			if (reloc->tiling_flags & RADEON_TILING_MACRO) {
1146				ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1147				track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1148			} else if (reloc->tiling_flags & RADEON_TILING_MICRO) {
1149				ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1150				track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1151			}
1152		} else {
1153			tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1154			track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1155		}
1156		track->cb_dirty = true;
1157		break;
1158	case R_028080_CB_COLOR0_VIEW:
1159	case R_028084_CB_COLOR1_VIEW:
1160	case R_028088_CB_COLOR2_VIEW:
1161	case R_02808C_CB_COLOR3_VIEW:
1162	case R_028090_CB_COLOR4_VIEW:
1163	case R_028094_CB_COLOR5_VIEW:
1164	case R_028098_CB_COLOR6_VIEW:
1165	case R_02809C_CB_COLOR7_VIEW:
1166		tmp = (reg - R_028080_CB_COLOR0_VIEW) / 4;
1167		track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
1168		track->cb_dirty = true;
1169		break;
1170	case R_028060_CB_COLOR0_SIZE:
1171	case R_028064_CB_COLOR1_SIZE:
1172	case R_028068_CB_COLOR2_SIZE:
1173	case R_02806C_CB_COLOR3_SIZE:
1174	case R_028070_CB_COLOR4_SIZE:
1175	case R_028074_CB_COLOR5_SIZE:
1176	case R_028078_CB_COLOR6_SIZE:
1177	case R_02807C_CB_COLOR7_SIZE:
1178		tmp = (reg - R_028060_CB_COLOR0_SIZE) / 4;
1179		track->cb_color_size[tmp] = radeon_get_ib_value(p, idx);
1180		track->cb_color_size_idx[tmp] = idx;
1181		track->cb_dirty = true;
1182		break;
1183		/* This register were added late, there is userspace
1184		 * which does provide relocation for those but set
1185		 * 0 offset. In order to avoid breaking old userspace
1186		 * we detect this and set address to point to last
1187		 * CB_COLOR0_BASE, note that if userspace doesn't set
1188		 * CB_COLOR0_BASE before this register we will report
1189		 * error. Old userspace always set CB_COLOR0_BASE
1190		 * before any of this.
1191		 */
1192	case R_0280E0_CB_COLOR0_FRAG:
1193	case R_0280E4_CB_COLOR1_FRAG:
1194	case R_0280E8_CB_COLOR2_FRAG:
1195	case R_0280EC_CB_COLOR3_FRAG:
1196	case R_0280F0_CB_COLOR4_FRAG:
1197	case R_0280F4_CB_COLOR5_FRAG:
1198	case R_0280F8_CB_COLOR6_FRAG:
1199	case R_0280FC_CB_COLOR7_FRAG:
1200		tmp = (reg - R_0280E0_CB_COLOR0_FRAG) / 4;
1201		if (!radeon_cs_packet_next_is_pkt3_nop(p)) {
1202			if (!track->cb_color_base_last[tmp]) {
1203				dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1204				return -EINVAL;
1205			}
1206			track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp];
1207			track->cb_color_frag_offset[tmp] = track->cb_color_bo_offset[tmp];
1208			ib[idx] = track->cb_color_base_last[tmp];
1209		} else {
1210			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1211			if (r) {
1212				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1213				return -EINVAL;
1214			}
1215			track->cb_color_frag_bo[tmp] = reloc->robj;
1216			track->cb_color_frag_offset[tmp] = (u64)ib[idx] << 8;
1217			ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1218		}
1219		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1220			track->cb_dirty = true;
1221		}
1222		break;
1223	case R_0280C0_CB_COLOR0_TILE:
1224	case R_0280C4_CB_COLOR1_TILE:
1225	case R_0280C8_CB_COLOR2_TILE:
1226	case R_0280CC_CB_COLOR3_TILE:
1227	case R_0280D0_CB_COLOR4_TILE:
1228	case R_0280D4_CB_COLOR5_TILE:
1229	case R_0280D8_CB_COLOR6_TILE:
1230	case R_0280DC_CB_COLOR7_TILE:
1231		tmp = (reg - R_0280C0_CB_COLOR0_TILE) / 4;
1232		if (!radeon_cs_packet_next_is_pkt3_nop(p)) {
1233			if (!track->cb_color_base_last[tmp]) {
1234				dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1235				return -EINVAL;
1236			}
1237			track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp];
1238			track->cb_color_tile_offset[tmp] = track->cb_color_bo_offset[tmp];
1239			ib[idx] = track->cb_color_base_last[tmp];
1240		} else {
1241			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1242			if (r) {
1243				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1244				return -EINVAL;
1245			}
1246			track->cb_color_tile_bo[tmp] = reloc->robj;
1247			track->cb_color_tile_offset[tmp] = (u64)ib[idx] << 8;
1248			ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1249		}
1250		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1251			track->cb_dirty = true;
1252		}
1253		break;
1254	case R_028100_CB_COLOR0_MASK:
1255	case R_028104_CB_COLOR1_MASK:
1256	case R_028108_CB_COLOR2_MASK:
1257	case R_02810C_CB_COLOR3_MASK:
1258	case R_028110_CB_COLOR4_MASK:
1259	case R_028114_CB_COLOR5_MASK:
1260	case R_028118_CB_COLOR6_MASK:
1261	case R_02811C_CB_COLOR7_MASK:
1262		tmp = (reg - R_028100_CB_COLOR0_MASK) / 4;
1263		track->cb_color_mask[tmp] = radeon_get_ib_value(p, idx);
1264		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1265			track->cb_dirty = true;
1266		}
1267		break;
1268	case CB_COLOR0_BASE:
1269	case CB_COLOR1_BASE:
1270	case CB_COLOR2_BASE:
1271	case CB_COLOR3_BASE:
1272	case CB_COLOR4_BASE:
1273	case CB_COLOR5_BASE:
1274	case CB_COLOR6_BASE:
1275	case CB_COLOR7_BASE:
1276		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1277		if (r) {
1278			dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
1279				      "0x%04X\n", reg);
1280			return -EINVAL;
1281		}
1282		tmp = (reg - CB_COLOR0_BASE) / 4;
1283		track->cb_color_bo_offset[tmp] = (u64)radeon_get_ib_value(p, idx) << 8;
1284		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1285		track->cb_color_base_last[tmp] = ib[idx];
1286		track->cb_color_bo[tmp] = reloc->robj;
1287		track->cb_color_bo_mc[tmp] = reloc->gpu_offset;
1288		track->cb_dirty = true;
1289		break;
1290	case DB_DEPTH_BASE:
1291		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1292		if (r) {
1293			dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
1294				      "0x%04X\n", reg);
1295			return -EINVAL;
1296		}
1297		track->db_offset = radeon_get_ib_value(p, idx) << 8;
1298		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1299		track->db_bo = reloc->robj;
1300		track->db_bo_mc = reloc->gpu_offset;
1301		track->db_dirty = true;
1302		break;
1303	case DB_HTILE_DATA_BASE:
1304		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1305		if (r) {
1306			dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
1307				      "0x%04X\n", reg);
1308			return -EINVAL;
1309		}
1310		track->htile_offset = (u64)radeon_get_ib_value(p, idx) << 8;
1311		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1312		track->htile_bo = reloc->robj;
1313		track->db_dirty = true;
1314		break;
1315	case DB_HTILE_SURFACE:
1316		track->htile_surface = radeon_get_ib_value(p, idx);
1317		/* force 8x8 htile width and height */
1318		ib[idx] |= 3;
1319		track->db_dirty = true;
1320		break;
1321	case SQ_PGM_START_FS:
1322	case SQ_PGM_START_ES:
1323	case SQ_PGM_START_VS:
1324	case SQ_PGM_START_GS:
1325	case SQ_PGM_START_PS:
1326	case SQ_ALU_CONST_CACHE_GS_0:
1327	case SQ_ALU_CONST_CACHE_GS_1:
1328	case SQ_ALU_CONST_CACHE_GS_2:
1329	case SQ_ALU_CONST_CACHE_GS_3:
1330	case SQ_ALU_CONST_CACHE_GS_4:
1331	case SQ_ALU_CONST_CACHE_GS_5:
1332	case SQ_ALU_CONST_CACHE_GS_6:
1333	case SQ_ALU_CONST_CACHE_GS_7:
1334	case SQ_ALU_CONST_CACHE_GS_8:
1335	case SQ_ALU_CONST_CACHE_GS_9:
1336	case SQ_ALU_CONST_CACHE_GS_10:
1337	case SQ_ALU_CONST_CACHE_GS_11:
1338	case SQ_ALU_CONST_CACHE_GS_12:
1339	case SQ_ALU_CONST_CACHE_GS_13:
1340	case SQ_ALU_CONST_CACHE_GS_14:
1341	case SQ_ALU_CONST_CACHE_GS_15:
1342	case SQ_ALU_CONST_CACHE_PS_0:
1343	case SQ_ALU_CONST_CACHE_PS_1:
1344	case SQ_ALU_CONST_CACHE_PS_2:
1345	case SQ_ALU_CONST_CACHE_PS_3:
1346	case SQ_ALU_CONST_CACHE_PS_4:
1347	case SQ_ALU_CONST_CACHE_PS_5:
1348	case SQ_ALU_CONST_CACHE_PS_6:
1349	case SQ_ALU_CONST_CACHE_PS_7:
1350	case SQ_ALU_CONST_CACHE_PS_8:
1351	case SQ_ALU_CONST_CACHE_PS_9:
1352	case SQ_ALU_CONST_CACHE_PS_10:
1353	case SQ_ALU_CONST_CACHE_PS_11:
1354	case SQ_ALU_CONST_CACHE_PS_12:
1355	case SQ_ALU_CONST_CACHE_PS_13:
1356	case SQ_ALU_CONST_CACHE_PS_14:
1357	case SQ_ALU_CONST_CACHE_PS_15:
1358	case SQ_ALU_CONST_CACHE_VS_0:
1359	case SQ_ALU_CONST_CACHE_VS_1:
1360	case SQ_ALU_CONST_CACHE_VS_2:
1361	case SQ_ALU_CONST_CACHE_VS_3:
1362	case SQ_ALU_CONST_CACHE_VS_4:
1363	case SQ_ALU_CONST_CACHE_VS_5:
1364	case SQ_ALU_CONST_CACHE_VS_6:
1365	case SQ_ALU_CONST_CACHE_VS_7:
1366	case SQ_ALU_CONST_CACHE_VS_8:
1367	case SQ_ALU_CONST_CACHE_VS_9:
1368	case SQ_ALU_CONST_CACHE_VS_10:
1369	case SQ_ALU_CONST_CACHE_VS_11:
1370	case SQ_ALU_CONST_CACHE_VS_12:
1371	case SQ_ALU_CONST_CACHE_VS_13:
1372	case SQ_ALU_CONST_CACHE_VS_14:
1373	case SQ_ALU_CONST_CACHE_VS_15:
1374		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1375		if (r) {
1376			dev_warn_once(p->dev, "bad SET_CONTEXT_REG "
1377				      "0x%04X\n", reg);
1378			return -EINVAL;
1379		}
1380		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1381		break;
1382	case SX_MEMORY_EXPORT_BASE:
1383		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1384		if (r) {
1385			dev_warn_once(p->dev, "bad SET_CONFIG_REG "
1386				      "0x%04X\n", reg);
1387			return -EINVAL;
1388		}
1389		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1390		break;
1391	case SX_MISC:
1392		track->sx_misc_kill_all_prims = (radeon_get_ib_value(p, idx) & 0x1) != 0;
1393		break;
1394	default:
1395		dev_warn_once(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1396		return -EINVAL;
1397	}
1398	return 0;
1399}
1400
1401unsigned r600_mip_minify(unsigned size, unsigned level)
1402{
1403	unsigned val;
1404
1405	val = max(1U, size >> level);
1406	if (level > 0)
1407		val = roundup_pow_of_two(val);
1408	return val;
1409}
1410
1411static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned llevel,
1412			      unsigned w0, unsigned h0, unsigned d0, unsigned nsamples, unsigned format,
1413			      unsigned block_align, unsigned height_align, unsigned base_align,
1414			      unsigned *l0_size, unsigned *mipmap_size)
1415{
1416	unsigned offset, i;
1417	unsigned width, height, depth, size;
1418	unsigned blocksize;
1419	unsigned nbx, nby;
1420	unsigned nlevels = llevel - blevel + 1;
1421
1422	*l0_size = -1;
1423	blocksize = r600_fmt_get_blocksize(format);
1424
1425	w0 = r600_mip_minify(w0, 0);
1426	h0 = r600_mip_minify(h0, 0);
1427	d0 = r600_mip_minify(d0, 0);
1428	for (i = 0, offset = 0; i < nlevels; i++) {
1429		width = r600_mip_minify(w0, i);
1430		nbx = r600_fmt_get_nblocksx(format, width);
1431
1432		nbx = round_up(nbx, block_align);
1433
1434		height = r600_mip_minify(h0, i);
1435		nby = r600_fmt_get_nblocksy(format, height);
1436		nby = round_up(nby, height_align);
1437
1438		depth = r600_mip_minify(d0, i);
1439
1440		size = nbx * nby * blocksize * nsamples;
1441		if (nfaces)
1442			size *= nfaces;
1443		else
1444			size *= depth;
1445
1446		if (i == 0)
1447			*l0_size = size;
1448
1449		if (i == 0 || i == 1)
1450			offset = round_up(offset, base_align);
1451
1452		offset += size;
1453	}
1454	*mipmap_size = offset;
1455	if (llevel == 0)
1456		*mipmap_size = *l0_size;
1457	if (!blevel)
1458		*mipmap_size -= *l0_size;
1459}
1460
1461/**
1462 * r600_check_texture_resource() - check if register is authorized or not
1463 * @p: parser structure holding parsing context
1464 * @idx: index into the cs buffer
1465 * @texture: texture's bo structure
1466 * @mipmap: mipmap's bo structure
1467 * @base_offset: base offset (used for error checking)
1468 * @mip_offset: mip offset (used for error checking)
1469 * @tiling_flags: tiling flags
1470 *
1471 * This function will check that the resource has valid field and that
1472 * the texture and mipmap bo object are big enough to cover this resource.
1473 */
1474static int r600_check_texture_resource(struct radeon_cs_parser *p,  u32 idx,
1475					      struct radeon_bo *texture,
1476					      struct radeon_bo *mipmap,
1477					      u64 base_offset,
1478					      u64 mip_offset,
1479					      u32 tiling_flags)
1480{
1481	struct r600_cs_track *track = p->track;
1482	u32 dim, nfaces, llevel, blevel, w0, h0, d0;
1483	u32 word0, word1, l0_size, mipmap_size, word2, word3, word4, word5;
1484	u32 height_align, pitch, pitch_align, depth_align;
1485	u32 barray, larray;
1486	u64 base_align;
1487	struct array_mode_checker array_check;
1488	u32 format;
1489	bool is_array;
1490
1491	/* on legacy kernel we don't perform advanced check */
1492	if (p->rdev == NULL)
1493		return 0;
1494
1495	/* convert to bytes */
1496	base_offset <<= 8;
1497	mip_offset <<= 8;
1498
1499	word0 = radeon_get_ib_value(p, idx + 0);
1500	if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1501		if (tiling_flags & RADEON_TILING_MACRO)
1502			word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
1503		else if (tiling_flags & RADEON_TILING_MICRO)
1504			word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
1505	}
1506	word1 = radeon_get_ib_value(p, idx + 1);
1507	word2 = radeon_get_ib_value(p, idx + 2) << 8;
1508	word3 = radeon_get_ib_value(p, idx + 3) << 8;
1509	word4 = radeon_get_ib_value(p, idx + 4);
1510	word5 = radeon_get_ib_value(p, idx + 5);
1511	dim = G_038000_DIM(word0);
1512	w0 = G_038000_TEX_WIDTH(word0) + 1;
1513	pitch = (G_038000_PITCH(word0) + 1) * 8;
1514	h0 = G_038004_TEX_HEIGHT(word1) + 1;
1515	d0 = G_038004_TEX_DEPTH(word1);
1516	format = G_038004_DATA_FORMAT(word1);
1517	blevel = G_038010_BASE_LEVEL(word4);
1518	llevel = G_038014_LAST_LEVEL(word5);
1519	/* pitch in texels */
1520	array_check.array_mode = G_038000_TILE_MODE(word0);
1521	array_check.group_size = track->group_size;
1522	array_check.nbanks = track->nbanks;
1523	array_check.npipes = track->npipes;
1524	array_check.nsamples = 1;
1525	array_check.blocksize = r600_fmt_get_blocksize(format);
1526	nfaces = 1;
1527	is_array = false;
1528	switch (dim) {
1529	case V_038000_SQ_TEX_DIM_1D:
1530	case V_038000_SQ_TEX_DIM_2D:
1531	case V_038000_SQ_TEX_DIM_3D:
1532		break;
1533	case V_038000_SQ_TEX_DIM_CUBEMAP:
1534		if (p->family >= CHIP_RV770)
1535			nfaces = 8;
1536		else
1537			nfaces = 6;
1538		break;
1539	case V_038000_SQ_TEX_DIM_1D_ARRAY:
1540	case V_038000_SQ_TEX_DIM_2D_ARRAY:
1541		is_array = true;
1542		break;
1543	case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA:
1544		is_array = true;
1545		fallthrough;
1546	case V_038000_SQ_TEX_DIM_2D_MSAA:
1547		array_check.nsamples = 1 << llevel;
1548		llevel = 0;
1549		break;
1550	default:
1551		dev_warn_once(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0));
1552		return -EINVAL;
1553	}
1554	if (!r600_fmt_is_valid_texture(format, p->family)) {
1555		dev_warn_once(p->dev, "%s:%d texture invalid format %d\n",
1556			      __func__, __LINE__, format);
1557		return -EINVAL;
1558	}
1559
1560	if (r600_get_array_mode_alignment(&array_check,
1561					  &pitch_align, &height_align, &depth_align, &base_align)) {
1562		dev_warn_once(p->dev, "%s:%d tex array mode (%d) invalid\n",
1563			      __func__, __LINE__, G_038000_TILE_MODE(word0));
1564		return -EINVAL;
1565	}
1566
1567	/* XXX check height as well... */
1568
1569	if (!IS_ALIGNED(pitch, pitch_align)) {
1570		dev_warn_once(p->dev, "%s:%d tex pitch (%d, 0x%x, %d) invalid\n",
1571			      __func__, __LINE__, pitch, pitch_align, G_038000_TILE_MODE(word0));
1572		return -EINVAL;
1573	}
1574	if (!IS_ALIGNED(base_offset, base_align)) {
1575		dev_warn_once(p->dev, "%s:%d tex base offset (0x%llx, 0x%llx, %d) invalid\n",
1576			      __func__, __LINE__, base_offset, base_align, G_038000_TILE_MODE(word0));
1577		return -EINVAL;
1578	}
1579	if (!IS_ALIGNED(mip_offset, base_align)) {
1580		dev_warn_once(p->dev, "%s:%d tex mip offset (0x%llx, 0x%llx, %d) invalid\n",
1581			      __func__, __LINE__, mip_offset, base_align, G_038000_TILE_MODE(word0));
1582		return -EINVAL;
1583	}
1584
1585	if (blevel > llevel) {
1586		dev_warn_once(p->dev, "texture blevel %d > llevel %d\n",
1587			      blevel, llevel);
1588	}
1589	if (is_array) {
1590		barray = G_038014_BASE_ARRAY(word5);
1591		larray = G_038014_LAST_ARRAY(word5);
1592
1593		nfaces = larray - barray + 1;
1594	}
1595	r600_texture_size(nfaces, blevel, llevel, w0, h0, d0, array_check.nsamples, format,
1596			  pitch_align, height_align, base_align,
1597			  &l0_size, &mipmap_size);
1598	/* using get ib will give us the offset into the texture bo */
1599	if ((l0_size + word2) > radeon_bo_size(texture)) {
1600		dev_warn_once(p->dev, "texture bo too small ((%d %d) (%d %d) %d %d %d -> %d have %ld)\n",
1601			      w0, h0, pitch_align, height_align,
1602			      array_check.array_mode, format, word2,
1603			      l0_size, radeon_bo_size(texture));
1604		dev_warn_once(p->dev, "alignments %d %d %d %lld\n", pitch, pitch_align, height_align, base_align);
1605		return -EINVAL;
1606	}
1607	/* using get ib will give us the offset into the mipmap bo */
1608	if ((mipmap_size + word3) > radeon_bo_size(mipmap)) {
1609		/*dev_warn_once(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n",
1610		  w0, h0, format, blevel, nlevels, word3, mipmap_size, radeon_bo_size(texture));*/
1611	}
1612	return 0;
1613}
1614
1615static bool r600_is_safe_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1616{
1617	u32 m, i;
1618
1619	i = (reg >> 7);
1620	if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
1621		dev_warn_once(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1622		return false;
1623	}
1624	m = 1 << ((reg >> 2) & 31);
1625	if (!(r600_reg_safe_bm[i] & m))
1626		return true;
1627	dev_warn_once(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1628	return false;
1629}
1630
1631static int r600_packet3_check(struct radeon_cs_parser *p,
1632				struct radeon_cs_packet *pkt)
1633{
1634	struct radeon_bo_list *reloc;
1635	struct r600_cs_track *track;
1636	volatile u32 *ib;
1637	unsigned idx;
1638	unsigned i;
1639	unsigned start_reg, end_reg, reg;
1640	int r;
1641	u32 idx_value;
1642
1643	track = (struct r600_cs_track *)p->track;
1644	ib = p->ib.ptr;
1645	idx = pkt->idx + 1;
1646	idx_value = radeon_get_ib_value(p, idx);
1647
1648	switch (pkt->opcode) {
1649	case PACKET3_SET_PREDICATION:
1650	{
1651		int pred_op;
1652		int tmp;
1653		uint64_t offset;
1654
1655		if (pkt->count != 1) {
1656			dev_warn_once(p->dev, "bad SET PREDICATION\n");
1657			return -EINVAL;
1658		}
1659
1660		tmp = radeon_get_ib_value(p, idx + 1);
1661		pred_op = (tmp >> 16) & 0x7;
1662
1663		/* for the clear predicate operation */
1664		if (pred_op == 0)
1665			return 0;
1666
1667		if (pred_op > 2) {
1668			dev_warn_once(p->dev, "bad SET PREDICATION operation %d\n", pred_op);
1669			return -EINVAL;
1670		}
1671
1672		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1673		if (r) {
1674			dev_warn_once(p->dev, "bad SET PREDICATION\n");
1675			return -EINVAL;
1676		}
1677
1678		offset = reloc->gpu_offset +
1679			 (idx_value & 0xfffffff0) +
1680			 ((u64)(tmp & 0xff) << 32);
1681
1682		ib[idx + 0] = offset;
1683		ib[idx + 1] = (tmp & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1684	}
1685	break;
1686
1687	case PACKET3_START_3D_CMDBUF:
1688		if (p->family >= CHIP_RV770 || pkt->count) {
1689			dev_warn_once(p->dev, "bad START_3D\n");
1690			return -EINVAL;
1691		}
1692		break;
1693	case PACKET3_CONTEXT_CONTROL:
1694		if (pkt->count != 1) {
1695			dev_warn_once(p->dev, "bad CONTEXT_CONTROL\n");
1696			return -EINVAL;
1697		}
1698		break;
1699	case PACKET3_INDEX_TYPE:
1700	case PACKET3_NUM_INSTANCES:
1701		if (pkt->count) {
1702			dev_warn_once(p->dev, "bad INDEX_TYPE/NUM_INSTANCES\n");
1703			return -EINVAL;
1704		}
1705		break;
1706	case PACKET3_DRAW_INDEX:
1707	{
1708		uint64_t offset;
1709		if (pkt->count != 3) {
1710			dev_warn_once(p->dev, "bad DRAW_INDEX\n");
1711			return -EINVAL;
1712		}
1713		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1714		if (r) {
1715			dev_warn_once(p->dev, "bad DRAW_INDEX\n");
1716			return -EINVAL;
1717		}
1718
1719		offset = reloc->gpu_offset +
1720			 idx_value +
1721			 ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1722
1723		ib[idx+0] = offset;
1724		ib[idx+1] = upper_32_bits(offset) & 0xff;
1725
1726		r = r600_cs_track_check(p);
1727		if (r) {
1728			dev_warn_once(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1729			return r;
1730		}
1731		break;
1732	}
1733	case PACKET3_DRAW_INDEX_AUTO:
1734		if (pkt->count != 1) {
1735			dev_warn_once(p->dev, "bad DRAW_INDEX_AUTO\n");
1736			return -EINVAL;
1737		}
1738		r = r600_cs_track_check(p);
1739		if (r) {
1740			dev_warn_once(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
1741			return r;
1742		}
1743		break;
1744	case PACKET3_DRAW_INDEX_IMMD_BE:
1745	case PACKET3_DRAW_INDEX_IMMD:
1746		if (pkt->count < 2) {
1747			dev_warn_once(p->dev, "bad DRAW_INDEX_IMMD\n");
1748			return -EINVAL;
1749		}
1750		r = r600_cs_track_check(p);
1751		if (r) {
1752			dev_warn_once(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1753			return r;
1754		}
1755		break;
1756	case PACKET3_WAIT_REG_MEM:
1757		if (pkt->count != 5) {
1758			dev_warn_once(p->dev, "bad WAIT_REG_MEM\n");
1759			return -EINVAL;
1760		}
1761		/* bit 4 is reg (0) or mem (1) */
1762		if (idx_value & 0x10) {
1763			uint64_t offset;
1764
1765			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1766			if (r) {
1767				dev_warn_once(p->dev, "bad WAIT_REG_MEM\n");
1768				return -EINVAL;
1769			}
1770
1771			offset = reloc->gpu_offset +
1772				 (radeon_get_ib_value(p, idx+1) & 0xfffffff0) +
1773				 ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1774
1775			ib[idx+1] = (ib[idx+1] & 0x3) | (offset & 0xfffffff0);
1776			ib[idx+2] = upper_32_bits(offset) & 0xff;
1777		} else if (idx_value & 0x100) {
1778			dev_warn_once(p->dev, "cannot use PFP on REG wait\n");
1779			return -EINVAL;
1780		}
1781		break;
1782	case PACKET3_CP_DMA:
1783	{
1784		u32 command, size;
1785		u64 offset, tmp;
1786		if (pkt->count != 4) {
1787			dev_warn_once(p->dev, "bad CP DMA\n");
1788			return -EINVAL;
1789		}
1790		command = radeon_get_ib_value(p, idx+4);
1791		size = command & 0x1fffff;
1792		if (command & PACKET3_CP_DMA_CMD_SAS) {
1793			/* src address space is register */
1794			dev_warn_once(p->dev, "CP DMA SAS not supported\n");
1795			return -EINVAL;
1796		} else {
1797			if (command & PACKET3_CP_DMA_CMD_SAIC) {
1798				dev_warn_once(p->dev, "CP DMA SAIC only supported for registers\n");
1799				return -EINVAL;
1800			}
1801			/* src address space is memory */
1802			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1803			if (r) {
1804				dev_warn_once(p->dev, "bad CP DMA SRC\n");
1805				return -EINVAL;
1806			}
1807
1808			tmp = radeon_get_ib_value(p, idx) +
1809				((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1810
1811			offset = reloc->gpu_offset + tmp;
1812
1813			if ((tmp + size) > radeon_bo_size(reloc->robj)) {
1814				dev_warn_once(p->dev, "CP DMA src buffer too small (%llu %lu)\n",
1815					      tmp + size, radeon_bo_size(reloc->robj));
1816				return -EINVAL;
1817			}
1818
1819			ib[idx] = offset;
1820			ib[idx+1] = (ib[idx+1] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1821		}
1822		if (command & PACKET3_CP_DMA_CMD_DAS) {
1823			/* dst address space is register */
1824			dev_warn_once(p->dev, "CP DMA DAS not supported\n");
1825			return -EINVAL;
1826		} else {
1827			/* dst address space is memory */
1828			if (command & PACKET3_CP_DMA_CMD_DAIC) {
1829				dev_warn_once(p->dev, "CP DMA DAIC only supported for registers\n");
1830				return -EINVAL;
1831			}
1832			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1833			if (r) {
1834				dev_warn_once(p->dev, "bad CP DMA DST\n");
1835				return -EINVAL;
1836			}
1837
1838			tmp = radeon_get_ib_value(p, idx+2) +
1839				((u64)(radeon_get_ib_value(p, idx+3) & 0xff) << 32);
1840
1841			offset = reloc->gpu_offset + tmp;
1842
1843			if ((tmp + size) > radeon_bo_size(reloc->robj)) {
1844				dev_warn_once(p->dev, "CP DMA dst buffer too small (%llu %lu)\n",
1845					      tmp + size, radeon_bo_size(reloc->robj));
1846				return -EINVAL;
1847			}
1848
1849			ib[idx+2] = offset;
1850			ib[idx+3] = upper_32_bits(offset) & 0xff;
1851		}
1852		break;
1853	}
1854	case PACKET3_SURFACE_SYNC:
1855		if (pkt->count != 3) {
1856			dev_warn_once(p->dev, "bad SURFACE_SYNC\n");
1857			return -EINVAL;
1858		}
1859		/* 0xffffffff/0x0 is flush all cache flag */
1860		if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
1861		    radeon_get_ib_value(p, idx + 2) != 0) {
1862			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1863			if (r) {
1864				dev_warn_once(p->dev, "bad SURFACE_SYNC\n");
1865				return -EINVAL;
1866			}
1867			ib[idx+2] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1868		}
1869		break;
1870	case PACKET3_EVENT_WRITE:
1871		if (pkt->count != 2 && pkt->count != 0) {
1872			dev_warn_once(p->dev, "bad EVENT_WRITE\n");
1873			return -EINVAL;
1874		}
1875		if (pkt->count) {
1876			uint64_t offset;
1877
1878			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1879			if (r) {
1880				dev_warn_once(p->dev, "bad EVENT_WRITE\n");
1881				return -EINVAL;
1882			}
1883			offset = reloc->gpu_offset +
1884				 (radeon_get_ib_value(p, idx+1) & 0xfffffff8) +
1885				 ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1886
1887			ib[idx+1] = offset & 0xfffffff8;
1888			ib[idx+2] = upper_32_bits(offset) & 0xff;
1889		}
1890		break;
1891	case PACKET3_EVENT_WRITE_EOP:
1892	{
1893		uint64_t offset;
1894
1895		if (pkt->count != 4) {
1896			dev_warn_once(p->dev, "bad EVENT_WRITE_EOP\n");
1897			return -EINVAL;
1898		}
1899		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1900		if (r) {
1901			dev_warn_once(p->dev, "bad EVENT_WRITE\n");
1902			return -EINVAL;
1903		}
1904
1905		offset = reloc->gpu_offset +
1906			 (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
1907			 ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1908
1909		ib[idx+1] = offset & 0xfffffffc;
1910		ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1911		break;
1912	}
1913	case PACKET3_SET_CONFIG_REG:
1914		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_OFFSET;
1915		end_reg = 4 * pkt->count + start_reg - 4;
1916		if ((start_reg < PACKET3_SET_CONFIG_REG_OFFSET) ||
1917		    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
1918		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
1919			dev_warn_once(p->dev, "bad PACKET3_SET_CONFIG_REG\n");
1920			return -EINVAL;
1921		}
1922		for (i = 0; i < pkt->count; i++) {
1923			reg = start_reg + (4 * i);
1924			r = r600_cs_check_reg(p, reg, idx+1+i);
1925			if (r)
1926				return r;
1927		}
1928		break;
1929	case PACKET3_SET_CONTEXT_REG:
1930		start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_OFFSET;
1931		end_reg = 4 * pkt->count + start_reg - 4;
1932		if ((start_reg < PACKET3_SET_CONTEXT_REG_OFFSET) ||
1933		    (start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
1934		    (end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
1935			dev_warn_once(p->dev, "bad PACKET3_SET_CONTEXT_REG\n");
1936			return -EINVAL;
1937		}
1938		for (i = 0; i < pkt->count; i++) {
1939			reg = start_reg + (4 * i);
1940			r = r600_cs_check_reg(p, reg, idx+1+i);
1941			if (r)
1942				return r;
1943		}
1944		break;
1945	case PACKET3_SET_RESOURCE:
1946		if (pkt->count % 7) {
1947			dev_warn_once(p->dev, "bad SET_RESOURCE\n");
1948			return -EINVAL;
1949		}
1950		start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_OFFSET;
1951		end_reg = 4 * pkt->count + start_reg - 4;
1952		if ((start_reg < PACKET3_SET_RESOURCE_OFFSET) ||
1953		    (start_reg >= PACKET3_SET_RESOURCE_END) ||
1954		    (end_reg >= PACKET3_SET_RESOURCE_END)) {
1955			dev_warn_once(p->dev, "bad SET_RESOURCE\n");
1956			return -EINVAL;
1957		}
1958		for (i = 0; i < (pkt->count / 7); i++) {
1959			struct radeon_bo *texture, *mipmap;
1960			u32 size, offset, base_offset, mip_offset;
1961
1962			switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) {
1963			case SQ_TEX_VTX_VALID_TEXTURE:
1964				/* tex base */
1965				r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1966				if (r) {
1967					dev_warn_once(p->dev, "bad SET_RESOURCE\n");
1968					return -EINVAL;
1969				}
1970				base_offset = (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1971				if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1972					if (reloc->tiling_flags & RADEON_TILING_MACRO)
1973						ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
1974					else if (reloc->tiling_flags & RADEON_TILING_MICRO)
1975						ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
1976				}
1977				texture = reloc->robj;
1978				/* tex mip base */
1979				r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1980				if (r) {
1981					dev_warn_once(p->dev, "bad SET_RESOURCE\n");
1982					return -EINVAL;
1983				}
1984				mip_offset = (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1985				mipmap = reloc->robj;
1986				r = r600_check_texture_resource(p,  idx+(i*7)+1,
1987								texture, mipmap,
1988								base_offset + radeon_get_ib_value(p, idx+1+(i*7)+2),
1989								mip_offset + radeon_get_ib_value(p, idx+1+(i*7)+3),
1990								reloc->tiling_flags);
1991				if (r)
1992					return r;
1993				ib[idx+1+(i*7)+2] += base_offset;
1994				ib[idx+1+(i*7)+3] += mip_offset;
1995				break;
1996			case SQ_TEX_VTX_VALID_BUFFER:
1997			{
1998				uint64_t offset64;
1999				/* vtx base */
2000				r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2001				if (r) {
2002					dev_warn_once(p->dev, "bad SET_RESOURCE\n");
2003					return -EINVAL;
2004				}
2005				offset = radeon_get_ib_value(p, idx+1+(i*7)+0);
2006				size = radeon_get_ib_value(p, idx+1+(i*7)+1) + 1;
2007				if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
2008					/* force size to size of the buffer */
2009					dev_warn_once(p->dev, "vbo resource seems too big (%d) for the bo (%ld)\n",
2010						      size + offset, radeon_bo_size(reloc->robj));
2011					ib[idx+1+(i*7)+1] = radeon_bo_size(reloc->robj) - offset;
2012				}
2013
2014				offset64 = reloc->gpu_offset + offset;
2015				ib[idx+1+(i*8)+0] = offset64;
2016				ib[idx+1+(i*8)+2] = (ib[idx+1+(i*8)+2] & 0xffffff00) |
2017						    (upper_32_bits(offset64) & 0xff);
2018				break;
2019			}
2020			case SQ_TEX_VTX_INVALID_TEXTURE:
2021			case SQ_TEX_VTX_INVALID_BUFFER:
2022			default:
2023				dev_warn_once(p->dev, "bad SET_RESOURCE\n");
2024				return -EINVAL;
2025			}
2026		}
2027		break;
2028	case PACKET3_SET_ALU_CONST:
2029		if (track->sq_config & DX9_CONSTS) {
2030			start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET;
2031			end_reg = 4 * pkt->count + start_reg - 4;
2032			if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) ||
2033			    (start_reg >= PACKET3_SET_ALU_CONST_END) ||
2034			    (end_reg >= PACKET3_SET_ALU_CONST_END)) {
2035				dev_warn_once(p->dev, "bad SET_ALU_CONST\n");
2036				return -EINVAL;
2037			}
2038		}
2039		break;
2040	case PACKET3_SET_BOOL_CONST:
2041		start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_OFFSET;
2042		end_reg = 4 * pkt->count + start_reg - 4;
2043		if ((start_reg < PACKET3_SET_BOOL_CONST_OFFSET) ||
2044		    (start_reg >= PACKET3_SET_BOOL_CONST_END) ||
2045		    (end_reg >= PACKET3_SET_BOOL_CONST_END)) {
2046			dev_warn_once(p->dev, "bad SET_BOOL_CONST\n");
2047			return -EINVAL;
2048		}
2049		break;
2050	case PACKET3_SET_LOOP_CONST:
2051		start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_OFFSET;
2052		end_reg = 4 * pkt->count + start_reg - 4;
2053		if ((start_reg < PACKET3_SET_LOOP_CONST_OFFSET) ||
2054		    (start_reg >= PACKET3_SET_LOOP_CONST_END) ||
2055		    (end_reg >= PACKET3_SET_LOOP_CONST_END)) {
2056			dev_warn_once(p->dev, "bad SET_LOOP_CONST\n");
2057			return -EINVAL;
2058		}
2059		break;
2060	case PACKET3_SET_CTL_CONST:
2061		start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_OFFSET;
2062		end_reg = 4 * pkt->count + start_reg - 4;
2063		if ((start_reg < PACKET3_SET_CTL_CONST_OFFSET) ||
2064		    (start_reg >= PACKET3_SET_CTL_CONST_END) ||
2065		    (end_reg >= PACKET3_SET_CTL_CONST_END)) {
2066			dev_warn_once(p->dev, "bad SET_CTL_CONST\n");
2067			return -EINVAL;
2068		}
2069		break;
2070	case PACKET3_SET_SAMPLER:
2071		if (pkt->count % 3) {
2072			dev_warn_once(p->dev, "bad SET_SAMPLER\n");
2073			return -EINVAL;
2074		}
2075		start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_OFFSET;
2076		end_reg = 4 * pkt->count + start_reg - 4;
2077		if ((start_reg < PACKET3_SET_SAMPLER_OFFSET) ||
2078		    (start_reg >= PACKET3_SET_SAMPLER_END) ||
2079		    (end_reg >= PACKET3_SET_SAMPLER_END)) {
2080			dev_warn_once(p->dev, "bad SET_SAMPLER\n");
2081			return -EINVAL;
2082		}
2083		break;
2084	case PACKET3_STRMOUT_BASE_UPDATE:
2085		/* RS780 and RS880 also need this */
2086		if (p->family < CHIP_RS780) {
2087			dev_warn_once(p->dev, "STRMOUT_BASE_UPDATE only supported on 7xx\n");
2088			return -EINVAL;
2089		}
2090		if (pkt->count != 1) {
2091			dev_warn_once(p->dev, "bad STRMOUT_BASE_UPDATE packet count\n");
2092			return -EINVAL;
2093		}
2094		if (idx_value > 3) {
2095			dev_warn_once(p->dev, "bad STRMOUT_BASE_UPDATE index\n");
2096			return -EINVAL;
2097		}
2098		{
2099			u64 offset;
2100
2101			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2102			if (r) {
2103				dev_warn_once(p->dev, "bad STRMOUT_BASE_UPDATE reloc\n");
2104				return -EINVAL;
2105			}
2106
2107			if (reloc->robj != track->vgt_strmout_bo[idx_value]) {
2108				dev_warn_once(p->dev, "bad STRMOUT_BASE_UPDATE, bo does not match\n");
2109				return -EINVAL;
2110			}
2111
2112			offset = (u64)radeon_get_ib_value(p, idx+1) << 8;
2113			if (offset != track->vgt_strmout_bo_offset[idx_value]) {
2114				dev_warn_once(p->dev,
2115					      "bad STRMOUT_BASE_UPDATE, bo offset does not match: 0x%llx, 0x%x\n",
2116					      offset, track->vgt_strmout_bo_offset[idx_value]);
2117				return -EINVAL;
2118			}
2119
2120			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2121				dev_warn_once(p->dev,
2122					      "bad STRMOUT_BASE_UPDATE bo too small: 0x%llx, 0x%lx\n",
2123					      offset + 4, radeon_bo_size(reloc->robj));
2124				return -EINVAL;
2125			}
2126			ib[idx+1] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
2127		}
2128		break;
2129	case PACKET3_SURFACE_BASE_UPDATE:
2130		if (p->family >= CHIP_RV770 || p->family == CHIP_R600) {
2131			dev_warn_once(p->dev, "bad SURFACE_BASE_UPDATE\n");
2132			return -EINVAL;
2133		}
2134		if (pkt->count) {
2135			dev_warn_once(p->dev, "bad SURFACE_BASE_UPDATE\n");
2136			return -EINVAL;
2137		}
2138		break;
2139	case PACKET3_STRMOUT_BUFFER_UPDATE:
2140		if (pkt->count != 4) {
2141			dev_warn_once(p->dev, "bad STRMOUT_BUFFER_UPDATE (invalid count)\n");
2142			return -EINVAL;
2143		}
2144		/* Updating memory at DST_ADDRESS. */
2145		if (idx_value & 0x1) {
2146			u64 offset;
2147			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2148			if (r) {
2149				dev_warn_once(p->dev, "bad STRMOUT_BUFFER_UPDATE (missing dst reloc)\n");
2150				return -EINVAL;
2151			}
2152			offset = radeon_get_ib_value(p, idx+1);
2153			offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2154			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2155				dev_warn_once(p->dev,
2156					      "bad STRMOUT_BUFFER_UPDATE dst bo too small: 0x%llx, 0x%lx\n",
2157					      offset + 4, radeon_bo_size(reloc->robj));
2158				return -EINVAL;
2159			}
2160			offset += reloc->gpu_offset;
2161			ib[idx+1] = offset;
2162			ib[idx+2] = upper_32_bits(offset) & 0xff;
2163		}
2164		/* Reading data from SRC_ADDRESS. */
2165		if (((idx_value >> 1) & 0x3) == 2) {
2166			u64 offset;
2167			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2168			if (r) {
2169				dev_warn_once(p->dev, "bad STRMOUT_BUFFER_UPDATE (missing src reloc)\n");
2170				return -EINVAL;
2171			}
2172			offset = radeon_get_ib_value(p, idx+3);
2173			offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2174			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2175				dev_warn_once(p->dev,
2176					      "bad STRMOUT_BUFFER_UPDATE src bo too small: 0x%llx, 0x%lx\n",
2177					      offset + 4, radeon_bo_size(reloc->robj));
2178				return -EINVAL;
2179			}
2180			offset += reloc->gpu_offset;
2181			ib[idx+3] = offset;
2182			ib[idx+4] = upper_32_bits(offset) & 0xff;
2183		}
2184		break;
2185	case PACKET3_MEM_WRITE:
2186	{
2187		u64 offset;
2188
2189		if (pkt->count != 3) {
2190			dev_warn_once(p->dev, "bad MEM_WRITE (invalid count)\n");
2191			return -EINVAL;
2192		}
2193		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2194		if (r) {
2195			dev_warn_once(p->dev, "bad MEM_WRITE (missing reloc)\n");
2196			return -EINVAL;
2197		}
2198		offset = radeon_get_ib_value(p, idx+0);
2199		offset += ((u64)(radeon_get_ib_value(p, idx+1) & 0xff)) << 32UL;
2200		if (offset & 0x7) {
2201			dev_warn_once(p->dev, "bad MEM_WRITE (address not qwords aligned)\n");
2202			return -EINVAL;
2203		}
2204		if ((offset + 8) > radeon_bo_size(reloc->robj)) {
2205			dev_warn_once(p->dev, "bad MEM_WRITE bo too small: 0x%llx, 0x%lx\n",
2206				      offset + 8, radeon_bo_size(reloc->robj));
2207			return -EINVAL;
2208		}
2209		offset += reloc->gpu_offset;
2210		ib[idx+0] = offset;
2211		ib[idx+1] = upper_32_bits(offset) & 0xff;
2212		break;
2213	}
2214	case PACKET3_COPY_DW:
2215		if (pkt->count != 4) {
2216			dev_warn_once(p->dev, "bad COPY_DW (invalid count)\n");
2217			return -EINVAL;
2218		}
2219		if (idx_value & 0x1) {
2220			u64 offset;
2221			/* SRC is memory. */
2222			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2223			if (r) {
2224				dev_warn_once(p->dev, "bad COPY_DW (missing src reloc)\n");
2225				return -EINVAL;
2226			}
2227			offset = radeon_get_ib_value(p, idx+1);
2228			offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2229			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2230				dev_warn_once(p->dev, "bad COPY_DW src bo too small: 0x%llx, 0x%lx\n",
2231					      offset + 4, radeon_bo_size(reloc->robj));
2232				return -EINVAL;
2233			}
2234			offset += reloc->gpu_offset;
2235			ib[idx+1] = offset;
2236			ib[idx+2] = upper_32_bits(offset) & 0xff;
2237		} else {
2238			/* SRC is a reg. */
2239			reg = radeon_get_ib_value(p, idx+1) << 2;
2240			if (!r600_is_safe_reg(p, reg, idx+1))
2241				return -EINVAL;
2242		}
2243		if (idx_value & 0x2) {
2244			u64 offset;
2245			/* DST is memory. */
2246			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2247			if (r) {
2248				dev_warn_once(p->dev, "bad COPY_DW (missing dst reloc)\n");
2249				return -EINVAL;
2250			}
2251			offset = radeon_get_ib_value(p, idx+3);
2252			offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2253			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2254				dev_warn_once(p->dev, "bad COPY_DW dst bo too small: 0x%llx, 0x%lx\n",
2255					      offset + 4, radeon_bo_size(reloc->robj));
2256				return -EINVAL;
2257			}
2258			offset += reloc->gpu_offset;
2259			ib[idx+3] = offset;
2260			ib[idx+4] = upper_32_bits(offset) & 0xff;
2261		} else {
2262			/* DST is a reg. */
2263			reg = radeon_get_ib_value(p, idx+3) << 2;
2264			if (!r600_is_safe_reg(p, reg, idx+3))
2265				return -EINVAL;
2266		}
2267		break;
2268	case PACKET3_NOP:
2269		break;
2270	default:
2271		dev_warn_once(p->dev, "Packet3 opcode %x not supported\n", pkt->opcode);
2272		return -EINVAL;
2273	}
2274	return 0;
2275}
2276
2277int r600_cs_parse(struct radeon_cs_parser *p)
2278{
2279	struct radeon_cs_packet pkt;
2280	struct r600_cs_track *track;
2281	int r;
2282
2283	if (p->track == NULL) {
2284		/* initialize tracker, we are in kms */
2285		track = kzalloc(sizeof(*track), GFP_KERNEL);
2286		if (track == NULL)
2287			return -ENOMEM;
2288		r600_cs_track_init(track);
2289		if (p->rdev->family < CHIP_RV770) {
2290			track->npipes = p->rdev->config.r600.tiling_npipes;
2291			track->nbanks = p->rdev->config.r600.tiling_nbanks;
2292			track->group_size = p->rdev->config.r600.tiling_group_size;
2293		} else if (p->rdev->family <= CHIP_RV740) {
2294			track->npipes = p->rdev->config.rv770.tiling_npipes;
2295			track->nbanks = p->rdev->config.rv770.tiling_nbanks;
2296			track->group_size = p->rdev->config.rv770.tiling_group_size;
2297		}
2298		p->track = track;
2299	}
2300	do {
2301		r = radeon_cs_packet_parse(p, &pkt, p->idx);
2302		if (r) {
2303			kfree(p->track);
2304			p->track = NULL;
2305			return r;
2306		}
2307		p->idx += pkt.count + 2;
2308		switch (pkt.type) {
2309		case RADEON_PACKET_TYPE0:
2310			r = r600_cs_parse_packet0(p, &pkt);
2311			break;
2312		case RADEON_PACKET_TYPE2:
2313			break;
2314		case RADEON_PACKET_TYPE3:
2315			r = r600_packet3_check(p, &pkt);
2316			break;
2317		default:
2318			dev_warn_once(p->dev, "Unknown packet type %d !\n", pkt.type);
2319			kfree(p->track);
2320			p->track = NULL;
2321			return -EINVAL;
2322		}
2323		if (r) {
2324			kfree(p->track);
2325			p->track = NULL;
2326			return r;
2327		}
2328	} while (p->idx < p->chunk_ib->length_dw);
2329#if 0
2330	for (r = 0; r < p->ib.length_dw; r++) {
2331		pr_info("%05d  0x%08X\n", r, p->ib.ptr[r]);
2332		mdelay(1);
2333	}
2334#endif
2335	kfree(p->track);
2336	p->track = NULL;
2337	return 0;
2338}
2339
2340/*
2341 *  DMA
2342 */
2343/**
2344 * r600_dma_cs_next_reloc() - parse next reloc
2345 * @p:		parser structure holding parsing context.
2346 * @cs_reloc:		reloc information
2347 *
2348 * Return the next reloc, do bo validation and compute
2349 * GPU offset using the provided start.
2350 **/
2351int r600_dma_cs_next_reloc(struct radeon_cs_parser *p,
2352			   struct radeon_bo_list **cs_reloc)
2353{
2354	unsigned idx;
2355
2356	*cs_reloc = NULL;
2357	if (p->chunk_relocs == NULL) {
2358		dev_warn_once(p->dev, "No relocation chunk !\n");
2359		return -EINVAL;
2360	}
2361	idx = p->dma_reloc_idx;
2362	if (idx >= p->nrelocs) {
2363		dev_warn_once(p->dev, "Relocs at %d after relocations chunk end %d !\n",
2364			      idx, p->nrelocs);
2365		return -EINVAL;
2366	}
2367	*cs_reloc = &p->relocs[idx];
2368	p->dma_reloc_idx++;
2369	return 0;
2370}
2371
2372#define GET_DMA_CMD(h) (((h) & 0xf0000000) >> 28)
2373#define GET_DMA_COUNT(h) ((h) & 0x0000ffff)
2374#define GET_DMA_T(h) (((h) & 0x00800000) >> 23)
2375
2376/**
2377 * r600_dma_cs_parse() - parse the DMA IB
2378 * @p:		parser structure holding parsing context.
2379 *
2380 * Parses the DMA IB from the CS ioctl and updates
2381 * the GPU addresses based on the reloc information and
2382 * checks for errors. (R6xx-R7xx)
2383 * Returns 0 for success and an error on failure.
2384 **/
2385int r600_dma_cs_parse(struct radeon_cs_parser *p)
2386{
2387	struct radeon_cs_chunk *ib_chunk = p->chunk_ib;
2388	struct radeon_bo_list *src_reloc, *dst_reloc;
2389	u32 header, cmd, count, tiled;
2390	volatile u32 *ib = p->ib.ptr;
2391	u32 idx, idx_value;
2392	u64 src_offset, dst_offset;
2393	int r;
2394
2395	do {
2396		if (p->idx >= ib_chunk->length_dw) {
2397			dev_warn_once(p->dev, "Can not parse packet at %d after CS end %d !\n",
2398				      p->idx, ib_chunk->length_dw);
2399			return -EINVAL;
2400		}
2401		idx = p->idx;
2402		header = radeon_get_ib_value(p, idx);
2403		cmd = GET_DMA_CMD(header);
2404		count = GET_DMA_COUNT(header);
2405		tiled = GET_DMA_T(header);
2406
2407		switch (cmd) {
2408		case DMA_PACKET_WRITE:
2409			r = r600_dma_cs_next_reloc(p, &dst_reloc);
2410			if (r) {
2411				dev_warn_once(p->dev, "bad DMA_PACKET_WRITE\n");
2412				return -EINVAL;
2413			}
2414			if (tiled) {
2415				dst_offset = radeon_get_ib_value(p, idx+1);
2416				dst_offset <<= 8;
2417
2418				ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
2419				p->idx += count + 5;
2420			} else {
2421				dst_offset = radeon_get_ib_value(p, idx+1);
2422				dst_offset |= ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2423
2424				ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2425				ib[idx+2] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2426				p->idx += count + 3;
2427			}
2428			if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2429				dev_warn_once(p->dev, "DMA write buffer too small (%llu %lu)\n",
2430					      dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2431				return -EINVAL;
2432			}
2433			break;
2434		case DMA_PACKET_COPY:
2435			r = r600_dma_cs_next_reloc(p, &src_reloc);
2436			if (r) {
2437				dev_warn_once(p->dev, "bad DMA_PACKET_COPY\n");
2438				return -EINVAL;
2439			}
2440			r = r600_dma_cs_next_reloc(p, &dst_reloc);
2441			if (r) {
2442				dev_warn_once(p->dev, "bad DMA_PACKET_COPY\n");
2443				return -EINVAL;
2444			}
2445			if (tiled) {
2446				idx_value = radeon_get_ib_value(p, idx + 2);
2447				/* detile bit */
2448				if (idx_value & (1 << 31)) {
2449					/* tiled src, linear dst */
2450					src_offset = radeon_get_ib_value(p, idx+1);
2451					src_offset <<= 8;
2452					ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);
2453
2454					dst_offset = radeon_get_ib_value(p, idx+5);
2455					dst_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
2456					ib[idx+5] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2457					ib[idx+6] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2458				} else {
2459					/* linear src, tiled dst */
2460					src_offset = radeon_get_ib_value(p, idx+5);
2461					src_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
2462					ib[idx+5] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
2463					ib[idx+6] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2464
2465					dst_offset = radeon_get_ib_value(p, idx+1);
2466					dst_offset <<= 8;
2467					ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
2468				}
2469				p->idx += 7;
2470			} else {
2471				if (p->family >= CHIP_RV770) {
2472					src_offset = radeon_get_ib_value(p, idx+2);
2473					src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2474					dst_offset = radeon_get_ib_value(p, idx+1);
2475					dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
2476
2477					ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2478					ib[idx+2] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
2479					ib[idx+3] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2480					ib[idx+4] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2481					p->idx += 5;
2482				} else {
2483					src_offset = radeon_get_ib_value(p, idx+2);
2484					src_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
2485					dst_offset = radeon_get_ib_value(p, idx+1);
2486					dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff0000)) << 16;
2487
2488					ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2489					ib[idx+2] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
2490					ib[idx+3] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2491					ib[idx+3] += (upper_32_bits(dst_reloc->gpu_offset) & 0xff) << 16;
2492					p->idx += 4;
2493				}
2494			}
2495			if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
2496				dev_warn_once(p->dev, "DMA copy src buffer too small (%llu %lu)\n",
2497					      src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
2498				return -EINVAL;
2499			}
2500			if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2501				dev_warn_once(p->dev, "DMA write dst buffer too small (%llu %lu)\n",
2502					      dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2503				return -EINVAL;
2504			}
2505			break;
2506		case DMA_PACKET_CONSTANT_FILL:
2507			if (p->family < CHIP_RV770) {
2508				dev_warn_once(p->dev, "Constant Fill is 7xx only !\n");
2509				return -EINVAL;
2510			}
2511			r = r600_dma_cs_next_reloc(p, &dst_reloc);
2512			if (r) {
2513				dev_warn_once(p->dev, "bad DMA_PACKET_WRITE\n");
2514				return -EINVAL;
2515			}
2516			dst_offset = radeon_get_ib_value(p, idx+1);
2517			dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0x00ff0000)) << 16;
2518			if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2519				dev_warn_once(p->dev, "DMA constant fill buffer too small (%llu %lu)\n",
2520					      dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2521				return -EINVAL;
2522			}
2523			ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2524			ib[idx+3] += (upper_32_bits(dst_reloc->gpu_offset) << 16) & 0x00ff0000;
2525			p->idx += 4;
2526			break;
2527		case DMA_PACKET_NOP:
2528			p->idx += 1;
2529			break;
2530		default:
2531			dev_warn_once(p->dev, "Unknown packet type %d at %d !\n", cmd, idx);
2532			return -EINVAL;
2533		}
2534	} while (p->idx < p->chunk_ib->length_dw);
2535#if 0
2536	for (r = 0; r < p->ib->length_dw; r++) {
2537		pr_info("%05d  0x%08X\n", r, p->ib.ptr[r]);
2538		mdelay(1);
2539	}
2540#endif
2541	return 0;
2542}
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