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#include "drmP.h"
  30#include "radeon.h"
  31#include "r600d.h"
  32#include "r600_reg_safe.h"
  33
  34static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p,
  35					struct radeon_cs_reloc **cs_reloc);
  36static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
  37					struct radeon_cs_reloc **cs_reloc);
  38typedef int (*next_reloc_t)(struct radeon_cs_parser*, struct radeon_cs_reloc**);
  39static next_reloc_t r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_mm;
  40extern void r600_cs_legacy_get_tiling_conf(struct drm_device *dev, u32 *npipes, u32 *nbanks, u32 *group_size);
  41
  42
  43struct r600_cs_track {
  44	/* configuration we miror so that we use same code btw kms/ums */
  45	u32			group_size;
  46	u32			nbanks;
  47	u32			npipes;
  48	/* value we track */
  49	u32			sq_config;
 
  50	u32			nsamples;
  51	u32			cb_color_base_last[8];
  52	struct radeon_bo	*cb_color_bo[8];
  53	u64			cb_color_bo_mc[8];
  54	u32			cb_color_bo_offset[8];
  55	struct radeon_bo	*cb_color_frag_bo[8];
 
  56	struct radeon_bo	*cb_color_tile_bo[8];
 
 
  57	u32			cb_color_info[8];
  58	u32			cb_color_size_idx[8];
 
  59	u32			cb_target_mask;
  60	u32			cb_shader_mask;
 
  61	u32			cb_color_size[8];
  62	u32			vgt_strmout_en;
  63	u32			vgt_strmout_buffer_en;
 
 
 
 
  64	u32			db_depth_control;
  65	u32			db_depth_info;
  66	u32			db_depth_size_idx;
  67	u32			db_depth_view;
  68	u32			db_depth_size;
  69	u32			db_offset;
  70	struct radeon_bo	*db_bo;
  71	u64			db_bo_mc;
 
 
 
 
 
 
 
  72};
  73
  74#define FMT_8_BIT(fmt, vc)   [fmt] = { 1, 1, 1, vc, CHIP_R600 }
  75#define FMT_16_BIT(fmt, vc)  [fmt] = { 1, 1, 2, vc, CHIP_R600 }
  76#define FMT_24_BIT(fmt)      [fmt] = { 1, 1, 3,  0, CHIP_R600 }
  77#define FMT_32_BIT(fmt, vc)  [fmt] = { 1, 1, 4, vc, CHIP_R600 }
  78#define FMT_48_BIT(fmt)      [fmt] = { 1, 1, 6,  0, CHIP_R600 }
  79#define FMT_64_BIT(fmt, vc)  [fmt] = { 1, 1, 8, vc, CHIP_R600 }
  80#define FMT_96_BIT(fmt)      [fmt] = { 1, 1, 12, 0, CHIP_R600 }
  81#define FMT_128_BIT(fmt, vc) [fmt] = { 1, 1, 16,vc, CHIP_R600 }
  82
  83struct gpu_formats {
  84	unsigned blockwidth;
  85	unsigned blockheight;
  86	unsigned blocksize;
  87	unsigned valid_color;
  88	enum radeon_family min_family;
  89};
  90
  91static const struct gpu_formats color_formats_table[] = {
  92	/* 8 bit */
  93	FMT_8_BIT(V_038004_COLOR_8, 1),
  94	FMT_8_BIT(V_038004_COLOR_4_4, 1),
  95	FMT_8_BIT(V_038004_COLOR_3_3_2, 1),
  96	FMT_8_BIT(V_038004_FMT_1, 0),
  97
  98	/* 16-bit */
  99	FMT_16_BIT(V_038004_COLOR_16, 1),
 100	FMT_16_BIT(V_038004_COLOR_16_FLOAT, 1),
 101	FMT_16_BIT(V_038004_COLOR_8_8, 1),
 102	FMT_16_BIT(V_038004_COLOR_5_6_5, 1),
 103	FMT_16_BIT(V_038004_COLOR_6_5_5, 1),
 104	FMT_16_BIT(V_038004_COLOR_1_5_5_5, 1),
 105	FMT_16_BIT(V_038004_COLOR_4_4_4_4, 1),
 106	FMT_16_BIT(V_038004_COLOR_5_5_5_1, 1),
 107
 108	/* 24-bit */
 109	FMT_24_BIT(V_038004_FMT_8_8_8),
 110					       
 111	/* 32-bit */
 112	FMT_32_BIT(V_038004_COLOR_32, 1),
 113	FMT_32_BIT(V_038004_COLOR_32_FLOAT, 1),
 114	FMT_32_BIT(V_038004_COLOR_16_16, 1),
 115	FMT_32_BIT(V_038004_COLOR_16_16_FLOAT, 1),
 116	FMT_32_BIT(V_038004_COLOR_8_24, 1),
 117	FMT_32_BIT(V_038004_COLOR_8_24_FLOAT, 1),
 118	FMT_32_BIT(V_038004_COLOR_24_8, 1),
 119	FMT_32_BIT(V_038004_COLOR_24_8_FLOAT, 1),
 120	FMT_32_BIT(V_038004_COLOR_10_11_11, 1),
 121	FMT_32_BIT(V_038004_COLOR_10_11_11_FLOAT, 1),
 122	FMT_32_BIT(V_038004_COLOR_11_11_10, 1),
 123	FMT_32_BIT(V_038004_COLOR_11_11_10_FLOAT, 1),
 124	FMT_32_BIT(V_038004_COLOR_2_10_10_10, 1),
 125	FMT_32_BIT(V_038004_COLOR_8_8_8_8, 1),
 126	FMT_32_BIT(V_038004_COLOR_10_10_10_2, 1),
 127	FMT_32_BIT(V_038004_FMT_5_9_9_9_SHAREDEXP, 0),
 128	FMT_32_BIT(V_038004_FMT_32_AS_8, 0),
 129	FMT_32_BIT(V_038004_FMT_32_AS_8_8, 0),
 130
 131	/* 48-bit */
 132	FMT_48_BIT(V_038004_FMT_16_16_16),
 133	FMT_48_BIT(V_038004_FMT_16_16_16_FLOAT),
 134
 135	/* 64-bit */
 136	FMT_64_BIT(V_038004_COLOR_X24_8_32_FLOAT, 1),
 137	FMT_64_BIT(V_038004_COLOR_32_32, 1),
 138	FMT_64_BIT(V_038004_COLOR_32_32_FLOAT, 1),
 139	FMT_64_BIT(V_038004_COLOR_16_16_16_16, 1),
 140	FMT_64_BIT(V_038004_COLOR_16_16_16_16_FLOAT, 1),
 141
 142	FMT_96_BIT(V_038004_FMT_32_32_32),
 143	FMT_96_BIT(V_038004_FMT_32_32_32_FLOAT),
 144
 145	/* 128-bit */
 146	FMT_128_BIT(V_038004_COLOR_32_32_32_32, 1),
 147	FMT_128_BIT(V_038004_COLOR_32_32_32_32_FLOAT, 1),
 148
 149	[V_038004_FMT_GB_GR] = { 2, 1, 4, 0 },
 150	[V_038004_FMT_BG_RG] = { 2, 1, 4, 0 },
 151
 152	/* block compressed formats */
 153	[V_038004_FMT_BC1] = { 4, 4, 8, 0 },
 154	[V_038004_FMT_BC2] = { 4, 4, 16, 0 },
 155	[V_038004_FMT_BC3] = { 4, 4, 16, 0 },
 156	[V_038004_FMT_BC4] = { 4, 4, 8, 0 },
 157	[V_038004_FMT_BC5] = { 4, 4, 16, 0},
 158	[V_038004_FMT_BC6] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
 159	[V_038004_FMT_BC7] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
 160
 161	/* The other Evergreen formats */
 162	[V_038004_FMT_32_AS_32_32_32_32] = { 1, 1, 4, 0, CHIP_CEDAR},
 163};
 164
 165static inline bool fmt_is_valid_color(u32 format)
 166{
 167	if (format >= ARRAY_SIZE(color_formats_table))
 168		return false;
 169	
 170	if (color_formats_table[format].valid_color)
 171		return true;
 172
 173	return false;
 174}
 175
 176static inline bool fmt_is_valid_texture(u32 format, enum radeon_family family)
 177{
 178	if (format >= ARRAY_SIZE(color_formats_table))
 179		return false;
 180	
 181	if (family < color_formats_table[format].min_family)
 182		return false;
 183
 184	if (color_formats_table[format].blockwidth > 0)
 185		return true;
 186
 187	return false;
 188}
 189
 190static inline int fmt_get_blocksize(u32 format)
 191{
 192	if (format >= ARRAY_SIZE(color_formats_table))
 193		return 0;
 194
 195	return color_formats_table[format].blocksize;
 196}
 197
 198static inline int fmt_get_nblocksx(u32 format, u32 w)
 199{
 200	unsigned bw;
 201
 202	if (format >= ARRAY_SIZE(color_formats_table))
 203		return 0;
 204
 205	bw = color_formats_table[format].blockwidth;
 206	if (bw == 0)
 207		return 0;
 208
 209	return (w + bw - 1) / bw;
 210}
 211
 212static inline int fmt_get_nblocksy(u32 format, u32 h)
 213{
 214	unsigned bh;
 215
 216	if (format >= ARRAY_SIZE(color_formats_table))
 217		return 0;
 218
 219	bh = color_formats_table[format].blockheight;
 220	if (bh == 0)
 221		return 0;
 222
 223	return (h + bh - 1) / bh;
 224}
 225
 226static inline int r600_bpe_from_format(u32 *bpe, u32 format)
 227{
 228 	unsigned res;
 229
 230	if (format >= ARRAY_SIZE(color_formats_table))
 231		goto fail;
 232
 233	res = color_formats_table[format].blocksize;
 234	if (res == 0)
 235		goto fail;
 236
 237	*bpe = res;
 238	return 0;
 239
 240fail:
 241	*bpe = 16;
 242	return -EINVAL;
 243}
 244
 245struct array_mode_checker {
 246	int array_mode;
 247	u32 group_size;
 248	u32 nbanks;
 249	u32 npipes;
 250	u32 nsamples;
 251	u32 blocksize;
 252};
 253
 254/* returns alignment in pixels for pitch/height/depth and bytes for base */
 255static inline int r600_get_array_mode_alignment(struct array_mode_checker *values,
 256						u32 *pitch_align,
 257						u32 *height_align,
 258						u32 *depth_align,
 259						u64 *base_align)
 260{
 261	u32 tile_width = 8;
 262	u32 tile_height = 8;
 263	u32 macro_tile_width = values->nbanks;
 264	u32 macro_tile_height = values->npipes;
 265	u32 tile_bytes = tile_width * tile_height * values->blocksize * values->nsamples;
 266	u32 macro_tile_bytes = macro_tile_width * macro_tile_height * tile_bytes;
 267
 268	switch (values->array_mode) {
 269	case ARRAY_LINEAR_GENERAL:
 270		/* technically tile_width/_height for pitch/height */
 271		*pitch_align = 1; /* tile_width */
 272		*height_align = 1; /* tile_height */
 273		*depth_align = 1;
 274		*base_align = 1;
 275		break;
 276	case ARRAY_LINEAR_ALIGNED:
 277		*pitch_align = max((u32)64, (u32)(values->group_size / values->blocksize));
 278		*height_align = tile_height;
 279		*depth_align = 1;
 280		*base_align = values->group_size;
 281		break;
 282	case ARRAY_1D_TILED_THIN1:
 283		*pitch_align = max((u32)tile_width,
 284				   (u32)(values->group_size /
 285					 (tile_height * values->blocksize * values->nsamples)));
 286		*height_align = tile_height;
 287		*depth_align = 1;
 288		*base_align = values->group_size;
 289		break;
 290	case ARRAY_2D_TILED_THIN1:
 291		*pitch_align = max((u32)macro_tile_width,
 292				  (u32)(((values->group_size / tile_height) /
 293					 (values->blocksize * values->nsamples)) *
 294					values->nbanks)) * tile_width;
 295		*height_align = macro_tile_height * tile_height;
 296		*depth_align = 1;
 297		*base_align = max(macro_tile_bytes,
 298				  (*pitch_align) * values->blocksize * (*height_align) * values->nsamples);
 299		break;
 300	default:
 301		return -EINVAL;
 302	}
 303
 304	return 0;
 305}
 306
 307static void r600_cs_track_init(struct r600_cs_track *track)
 308{
 309	int i;
 310
 311	/* assume DX9 mode */
 312	track->sq_config = DX9_CONSTS;
 313	for (i = 0; i < 8; i++) {
 314		track->cb_color_base_last[i] = 0;
 315		track->cb_color_size[i] = 0;
 316		track->cb_color_size_idx[i] = 0;
 317		track->cb_color_info[i] = 0;
 
 318		track->cb_color_bo[i] = NULL;
 319		track->cb_color_bo_offset[i] = 0xFFFFFFFF;
 320		track->cb_color_bo_mc[i] = 0xFFFFFFFF;
 321	}
 
 
 
 
 
 
 
 
 322	track->cb_target_mask = 0xFFFFFFFF;
 323	track->cb_shader_mask = 0xFFFFFFFF;
 
 324	track->db_bo = NULL;
 325	track->db_bo_mc = 0xFFFFFFFF;
 326	/* assume the biggest format and that htile is enabled */
 327	track->db_depth_info = 7 | (1 << 25);
 328	track->db_depth_view = 0xFFFFC000;
 329	track->db_depth_size = 0xFFFFFFFF;
 330	track->db_depth_size_idx = 0;
 331	track->db_depth_control = 0xFFFFFFFF;
 
 
 
 
 
 
 
 
 
 
 
 
 
 332}
 333
 334static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
 335{
 336	struct r600_cs_track *track = p->track;
 337	u32 slice_tile_max, size, tmp;
 338	u32 height, height_align, pitch, pitch_align, depth_align;
 339	u64 base_offset, base_align;
 340	struct array_mode_checker array_check;
 341	volatile u32 *ib = p->ib->ptr;
 342	unsigned array_mode;
 343	u32 format;
 344	if (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
 345		dev_warn(p->dev, "FMASK or CMASK buffer are not supported by this kernel\n");
 346		return -EINVAL;
 347	}
 348	size = radeon_bo_size(track->cb_color_bo[i]) - track->cb_color_bo_offset[i];
 349	format = G_0280A0_FORMAT(track->cb_color_info[i]);
 350	if (!fmt_is_valid_color(format)) {
 351		dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n",
 352			 __func__, __LINE__, format,
 353			i, track->cb_color_info[i]);
 354		return -EINVAL;
 355	}
 356	/* pitch in pixels */
 357	pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) * 8;
 358	slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1;
 359	slice_tile_max *= 64;
 360	height = slice_tile_max / pitch;
 361	if (height > 8192)
 362		height = 8192;
 363	array_mode = G_0280A0_ARRAY_MODE(track->cb_color_info[i]);
 364
 365	base_offset = track->cb_color_bo_mc[i] + track->cb_color_bo_offset[i];
 366	array_check.array_mode = array_mode;
 367	array_check.group_size = track->group_size;
 368	array_check.nbanks = track->nbanks;
 369	array_check.npipes = track->npipes;
 370	array_check.nsamples = track->nsamples;
 371	array_check.blocksize = fmt_get_blocksize(format);
 372	if (r600_get_array_mode_alignment(&array_check,
 373					  &pitch_align, &height_align, &depth_align, &base_align)) {
 374		dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
 375			 G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
 376			 track->cb_color_info[i]);
 377		return -EINVAL;
 378	}
 379	switch (array_mode) {
 380	case V_0280A0_ARRAY_LINEAR_GENERAL:
 381		break;
 382	case V_0280A0_ARRAY_LINEAR_ALIGNED:
 383		break;
 384	case V_0280A0_ARRAY_1D_TILED_THIN1:
 385		/* avoid breaking userspace */
 386		if (height > 7)
 387			height &= ~0x7;
 388		break;
 389	case V_0280A0_ARRAY_2D_TILED_THIN1:
 390		break;
 391	default:
 392		dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
 393			G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
 394			track->cb_color_info[i]);
 395		return -EINVAL;
 396	}
 397
 398	if (!IS_ALIGNED(pitch, pitch_align)) {
 399		dev_warn(p->dev, "%s:%d cb pitch (%d, 0x%x, %d) invalid\n",
 400			 __func__, __LINE__, pitch, pitch_align, array_mode);
 401		return -EINVAL;
 402	}
 403	if (!IS_ALIGNED(height, height_align)) {
 404		dev_warn(p->dev, "%s:%d cb height (%d, 0x%x, %d) invalid\n",
 405			 __func__, __LINE__, height, height_align, array_mode);
 406		return -EINVAL;
 407	}
 408	if (!IS_ALIGNED(base_offset, base_align)) {
 409		dev_warn(p->dev, "%s offset[%d] 0x%llx 0x%llx, %d not aligned\n", __func__, i,
 410			 base_offset, base_align, array_mode);
 411		return -EINVAL;
 412	}
 413
 414	/* check offset */
 415	tmp = fmt_get_nblocksy(format, height) * fmt_get_nblocksx(format, pitch) * fmt_get_blocksize(format);
 
 
 
 
 
 
 
 
 
 
 
 
 416	if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) {
 417		if (array_mode == V_0280A0_ARRAY_LINEAR_GENERAL) {
 418			/* the initial DDX does bad things with the CB size occasionally */
 419			/* it rounds up height too far for slice tile max but the BO is smaller */
 420			/* r600c,g also seem to flush at bad times in some apps resulting in
 421			 * bogus values here. So for linear just allow anything to avoid breaking
 422			 * broken userspace.
 423			 */
 424		} else {
 425			dev_warn(p->dev, "%s offset[%d] %d %d %d %lu too big\n", __func__, i,
 426				 array_mode,
 427				 track->cb_color_bo_offset[i], tmp,
 428				 radeon_bo_size(track->cb_color_bo[i]));
 
 
 
 429			return -EINVAL;
 430		}
 431	}
 432	/* limit max tile */
 433	tmp = (height * pitch) >> 6;
 434	if (tmp < slice_tile_max)
 435		slice_tile_max = tmp;
 436	tmp = S_028060_PITCH_TILE_MAX((pitch / 8) - 1) |
 437		S_028060_SLICE_TILE_MAX(slice_tile_max - 1);
 438	ib[track->cb_color_size_idx[i]] = tmp;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 439	return 0;
 440}
 441
 442static int r600_cs_track_check(struct radeon_cs_parser *p)
 443{
 444	struct r600_cs_track *track = p->track;
 445	u32 tmp;
 446	int r, i;
 447	volatile u32 *ib = p->ib->ptr;
 
 
 
 
 
 448
 449	/* on legacy kernel we don't perform advanced check */
 450	if (p->rdev == NULL)
 451		return 0;
 452	/* we don't support out buffer yet */
 453	if (track->vgt_strmout_en || track->vgt_strmout_buffer_en) {
 454		dev_warn(p->dev, "this kernel doesn't support SMX output buffer\n");
 455		return -EINVAL;
 456	}
 457	/* check that we have a cb for each enabled target, we don't check
 458	 * shader_mask because it seems mesa isn't always setting it :(
 459	 */
 460	tmp = track->cb_target_mask;
 461	for (i = 0; i < 8; i++) {
 462		if ((tmp >> (i * 4)) & 0xF) {
 463			/* at least one component is enabled */
 464			if (track->cb_color_bo[i] == NULL) {
 465				dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
 466					__func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
 467				return -EINVAL;
 468			}
 469			/* perform rewrite of CB_COLOR[0-7]_SIZE */
 470			r = r600_cs_track_validate_cb(p, i);
 471			if (r)
 472				return r;
 473		}
 474	}
 475	/* Check depth buffer */
 476	if (G_028800_STENCIL_ENABLE(track->db_depth_control) ||
 477		G_028800_Z_ENABLE(track->db_depth_control)) {
 478		u32 nviews, bpe, ntiles, size, slice_tile_max;
 479		u32 height, height_align, pitch, pitch_align, depth_align;
 480		u64 base_offset, base_align;
 481		struct array_mode_checker array_check;
 482		int array_mode;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 483
 484		if (track->db_bo == NULL) {
 485			dev_warn(p->dev, "z/stencil with no depth buffer\n");
 
 486			return -EINVAL;
 487		}
 488		if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) {
 489			dev_warn(p->dev, "this kernel doesn't support z/stencil htile\n");
 
 490			return -EINVAL;
 491		}
 492		switch (G_028010_FORMAT(track->db_depth_info)) {
 493		case V_028010_DEPTH_16:
 494			bpe = 2;
 495			break;
 496		case V_028010_DEPTH_X8_24:
 497		case V_028010_DEPTH_8_24:
 498		case V_028010_DEPTH_X8_24_FLOAT:
 499		case V_028010_DEPTH_8_24_FLOAT:
 500		case V_028010_DEPTH_32_FLOAT:
 501			bpe = 4;
 502			break;
 503		case V_028010_DEPTH_X24_8_32_FLOAT:
 504			bpe = 8;
 505			break;
 506		default:
 507			dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info));
 
 
 
 
 
 
 
 
 
 
 508			return -EINVAL;
 509		}
 510		if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
 511			if (!track->db_depth_size_idx) {
 512				dev_warn(p->dev, "z/stencil buffer size not set\n");
 513				return -EINVAL;
 514			}
 515			tmp = radeon_bo_size(track->db_bo) - track->db_offset;
 516			tmp = (tmp / bpe) >> 6;
 517			if (!tmp) {
 518				dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n",
 519						track->db_depth_size, bpe, track->db_offset,
 520						radeon_bo_size(track->db_bo));
 521				return -EINVAL;
 522			}
 523			ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF);
 524		} else {
 525			size = radeon_bo_size(track->db_bo);
 526			/* pitch in pixels */
 527			pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8;
 528			slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
 529			slice_tile_max *= 64;
 530			height = slice_tile_max / pitch;
 531			if (height > 8192)
 532				height = 8192;
 533			base_offset = track->db_bo_mc + track->db_offset;
 534			array_mode = G_028010_ARRAY_MODE(track->db_depth_info);
 535			array_check.array_mode = array_mode;
 536			array_check.group_size = track->group_size;
 537			array_check.nbanks = track->nbanks;
 538			array_check.npipes = track->npipes;
 539			array_check.nsamples = track->nsamples;
 540			array_check.blocksize = bpe;
 541			if (r600_get_array_mode_alignment(&array_check,
 542							  &pitch_align, &height_align, &depth_align, &base_align)) {
 543				dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
 544					 G_028010_ARRAY_MODE(track->db_depth_info),
 545					 track->db_depth_info);
 546				return -EINVAL;
 547			}
 548			switch (array_mode) {
 549			case V_028010_ARRAY_1D_TILED_THIN1:
 550				/* don't break userspace */
 551				height &= ~0x7;
 552				break;
 553			case V_028010_ARRAY_2D_TILED_THIN1:
 
 
 
 
 
 
 
 
 
 
 
 
 
 554				break;
 555			default:
 556				dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
 557					 G_028010_ARRAY_MODE(track->db_depth_info),
 558					 track->db_depth_info);
 559				return -EINVAL;
 560			}
 561
 562			if (!IS_ALIGNED(pitch, pitch_align)) {
 563				dev_warn(p->dev, "%s:%d db pitch (%d, 0x%x, %d) invalid\n",
 564					 __func__, __LINE__, pitch, pitch_align, array_mode);
 565				return -EINVAL;
 566			}
 567			if (!IS_ALIGNED(height, height_align)) {
 568				dev_warn(p->dev, "%s:%d db height (%d, 0x%x, %d) invalid\n",
 569					 __func__, __LINE__, height, height_align, array_mode);
 570				return -EINVAL;
 571			}
 572			if (!IS_ALIGNED(base_offset, base_align)) {
 573				dev_warn(p->dev, "%s offset[%d] 0x%llx, 0x%llx, %d not aligned\n", __func__, i,
 574					 base_offset, base_align, array_mode);
 575				return -EINVAL;
 576			}
 
 
 
 
 
 
 
 577
 578			ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
 579			nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1;
 580			tmp = ntiles * bpe * 64 * nviews;
 581			if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) {
 582				dev_warn(p->dev, "z/stencil buffer (%d) too small (0x%08X %d %d %d -> %u have %lu)\n",
 583					 array_mode,
 584					 track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
 585					 radeon_bo_size(track->db_bo));
 586				return -EINVAL;
 587			}
 588		}
 589	}
 590	return 0;
 591}
 592
 593/**
 594 * r600_cs_packet_parse() - parse cp packet and point ib index to next packet
 595 * @parser:	parser structure holding parsing context.
 596 * @pkt:	where to store packet informations
 597 *
 598 * Assume that chunk_ib_index is properly set. Will return -EINVAL
 599 * if packet is bigger than remaining ib size. or if packets is unknown.
 600 **/
 601int r600_cs_packet_parse(struct radeon_cs_parser *p,
 602			struct radeon_cs_packet *pkt,
 603			unsigned idx)
 604{
 605	struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
 606	uint32_t header;
 607
 608	if (idx >= ib_chunk->length_dw) {
 609		DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
 610			  idx, ib_chunk->length_dw);
 611		return -EINVAL;
 612	}
 613	header = radeon_get_ib_value(p, idx);
 614	pkt->idx = idx;
 615	pkt->type = CP_PACKET_GET_TYPE(header);
 616	pkt->count = CP_PACKET_GET_COUNT(header);
 617	pkt->one_reg_wr = 0;
 618	switch (pkt->type) {
 619	case PACKET_TYPE0:
 620		pkt->reg = CP_PACKET0_GET_REG(header);
 621		break;
 622	case PACKET_TYPE3:
 623		pkt->opcode = CP_PACKET3_GET_OPCODE(header);
 624		break;
 625	case PACKET_TYPE2:
 626		pkt->count = -1;
 627		break;
 628	default:
 629		DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
 630		return -EINVAL;
 631	}
 632	if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
 633		DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
 634			  pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
 635		return -EINVAL;
 636	}
 637	return 0;
 638}
 639
 640/**
 641 * r600_cs_packet_next_reloc_mm() - parse next packet which should be reloc packet3
 642 * @parser:		parser structure holding parsing context.
 643 * @data:		pointer to relocation data
 644 * @offset_start:	starting offset
 645 * @offset_mask:	offset mask (to align start offset on)
 646 * @reloc:		reloc informations
 647 *
 648 * Check next packet is relocation packet3, do bo validation and compute
 649 * GPU offset using the provided start.
 650 **/
 651static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p,
 652					struct radeon_cs_reloc **cs_reloc)
 653{
 654	struct radeon_cs_chunk *relocs_chunk;
 655	struct radeon_cs_packet p3reloc;
 656	unsigned idx;
 657	int r;
 658
 659	if (p->chunk_relocs_idx == -1) {
 660		DRM_ERROR("No relocation chunk !\n");
 661		return -EINVAL;
 662	}
 663	*cs_reloc = NULL;
 664	relocs_chunk = &p->chunks[p->chunk_relocs_idx];
 665	r = r600_cs_packet_parse(p, &p3reloc, p->idx);
 666	if (r) {
 667		return r;
 668	}
 669	p->idx += p3reloc.count + 2;
 670	if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
 671		DRM_ERROR("No packet3 for relocation for packet at %d.\n",
 672			  p3reloc.idx);
 673		return -EINVAL;
 674	}
 675	idx = radeon_get_ib_value(p, p3reloc.idx + 1);
 676	if (idx >= relocs_chunk->length_dw) {
 677		DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
 678			  idx, relocs_chunk->length_dw);
 679		return -EINVAL;
 
 
 
 680	}
 681	/* FIXME: we assume reloc size is 4 dwords */
 682	*cs_reloc = p->relocs_ptr[(idx / 4)];
 683	return 0;
 684}
 685
 686/**
 687 * r600_cs_packet_next_reloc_nomm() - parse next packet which should be reloc packet3
 688 * @parser:		parser structure holding parsing context.
 689 * @data:		pointer to relocation data
 690 * @offset_start:	starting offset
 691 * @offset_mask:	offset mask (to align start offset on)
 692 * @reloc:		reloc informations
 693 *
 694 * Check next packet is relocation packet3, do bo validation and compute
 695 * GPU offset using the provided start.
 696 **/
 697static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
 698					struct radeon_cs_reloc **cs_reloc)
 699{
 700	struct radeon_cs_chunk *relocs_chunk;
 701	struct radeon_cs_packet p3reloc;
 702	unsigned idx;
 703	int r;
 704
 705	if (p->chunk_relocs_idx == -1) {
 706		DRM_ERROR("No relocation chunk !\n");
 707		return -EINVAL;
 708	}
 709	*cs_reloc = NULL;
 710	relocs_chunk = &p->chunks[p->chunk_relocs_idx];
 711	r = r600_cs_packet_parse(p, &p3reloc, p->idx);
 712	if (r) {
 713		return r;
 714	}
 715	p->idx += p3reloc.count + 2;
 716	if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
 717		DRM_ERROR("No packet3 for relocation for packet at %d.\n",
 718			  p3reloc.idx);
 719		return -EINVAL;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 720	}
 721	idx = radeon_get_ib_value(p, p3reloc.idx + 1);
 722	if (idx >= relocs_chunk->length_dw) {
 723		DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
 724			  idx, relocs_chunk->length_dw);
 725		return -EINVAL;
 
 
 
 
 726	}
 727	*cs_reloc = p->relocs;
 728	(*cs_reloc)->lobj.gpu_offset = (u64)relocs_chunk->kdata[idx + 3] << 32;
 729	(*cs_reloc)->lobj.gpu_offset |= relocs_chunk->kdata[idx + 0];
 730	return 0;
 731}
 732
 733/**
 734 * r600_cs_packet_next_is_pkt3_nop() - test if next packet is packet3 nop for reloc
 735 * @parser:		parser structure holding parsing context.
 736 *
 737 * Check next packet is relocation packet3, do bo validation and compute
 738 * GPU offset using the provided start.
 739 **/
 740static inline int r600_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p)
 
 
 741{
 742	struct radeon_cs_packet p3reloc;
 743	int r;
 
 
 744
 745	r = r600_cs_packet_parse(p, &p3reloc, p->idx);
 746	if (r) {
 747		return 0;
 748	}
 749	if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
 750		return 0;
 751	}
 752	return 1;
 753}
 754
 755/**
 756 * r600_cs_packet_next_vline() - parse userspace VLINE packet
 757 * @parser:		parser structure holding parsing context.
 
 
 758 *
 759 * Userspace sends a special sequence for VLINE waits.
 760 * PACKET0 - VLINE_START_END + value
 761 * PACKET3 - WAIT_REG_MEM poll vline status reg
 762 * RELOC (P3) - crtc_id in reloc.
 763 *
 764 * This function parses this and relocates the VLINE START END
 765 * and WAIT_REG_MEM packets to the correct crtc.
 766 * It also detects a switched off crtc and nulls out the
 767 * wait in that case.
 
 
 
 
 
 768 */
 769static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p)
 
 
 770{
 771	struct drm_mode_object *obj;
 772	struct drm_crtc *crtc;
 773	struct radeon_crtc *radeon_crtc;
 774	struct radeon_cs_packet p3reloc, wait_reg_mem;
 775	int crtc_id;
 776	int r;
 777	uint32_t header, h_idx, reg, wait_reg_mem_info;
 778	volatile uint32_t *ib;
 779
 780	ib = p->ib->ptr;
 781
 782	/* parse the WAIT_REG_MEM */
 783	r = r600_cs_packet_parse(p, &wait_reg_mem, p->idx);
 784	if (r)
 785		return r;
 786
 787	/* check its a WAIT_REG_MEM */
 788	if (wait_reg_mem.type != PACKET_TYPE3 ||
 789	    wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) {
 790		DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n");
 791		return -EINVAL;
 792	}
 793
 794	wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1);
 795	/* bit 4 is reg (0) or mem (1) */
 796	if (wait_reg_mem_info & 0x10) {
 797		DRM_ERROR("vline WAIT_REG_MEM waiting on MEM rather than REG\n");
 
 
 
 
 
 798		return -EINVAL;
 799	}
 800	/* waiting for value to be equal */
 801	if ((wait_reg_mem_info & 0x7) != 0x3) {
 802		DRM_ERROR("vline WAIT_REG_MEM function not equal\n");
 803		return -EINVAL;
 804	}
 805	if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != AVIVO_D1MODE_VLINE_STATUS) {
 806		DRM_ERROR("vline WAIT_REG_MEM bad reg\n");
 807		return -EINVAL;
 808	}
 809
 810	if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != AVIVO_D1MODE_VLINE_STAT) {
 811		DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n");
 812		return -EINVAL;
 813	}
 814
 815	/* jump over the NOP */
 816	r = r600_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2);
 817	if (r)
 818		return r;
 819
 820	h_idx = p->idx - 2;
 821	p->idx += wait_reg_mem.count + 2;
 822	p->idx += p3reloc.count + 2;
 823
 824	header = radeon_get_ib_value(p, h_idx);
 825	crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1);
 826	reg = CP_PACKET0_GET_REG(header);
 827
 828	obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
 829	if (!obj) {
 830		DRM_ERROR("cannot find crtc %d\n", crtc_id);
 831		return -EINVAL;
 832	}
 833	crtc = obj_to_crtc(obj);
 834	radeon_crtc = to_radeon_crtc(crtc);
 835	crtc_id = radeon_crtc->crtc_id;
 836
 837	if (!crtc->enabled) {
 838		/* if the CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */
 839		ib[h_idx + 2] = PACKET2(0);
 840		ib[h_idx + 3] = PACKET2(0);
 841		ib[h_idx + 4] = PACKET2(0);
 842		ib[h_idx + 5] = PACKET2(0);
 843		ib[h_idx + 6] = PACKET2(0);
 844		ib[h_idx + 7] = PACKET2(0);
 845		ib[h_idx + 8] = PACKET2(0);
 846	} else if (crtc_id == 1) {
 847		switch (reg) {
 848		case AVIVO_D1MODE_VLINE_START_END:
 849			header &= ~R600_CP_PACKET0_REG_MASK;
 850			header |= AVIVO_D2MODE_VLINE_START_END >> 2;
 851			break;
 852		default:
 853			DRM_ERROR("unknown crtc reloc\n");
 854			return -EINVAL;
 855		}
 856		ib[h_idx] = header;
 857		ib[h_idx + 4] = AVIVO_D2MODE_VLINE_STATUS >> 2;
 
 
 
 858	}
 859
 860	return 0;
 861}
 862
 863static int r600_packet0_check(struct radeon_cs_parser *p,
 864				struct radeon_cs_packet *pkt,
 865				unsigned idx, unsigned reg)
 866{
 867	int r;
 868
 869	switch (reg) {
 870	case AVIVO_D1MODE_VLINE_START_END:
 871		r = r600_cs_packet_parse_vline(p);
 872		if (r) {
 873			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 874					idx, reg);
 875			return r;
 876		}
 877		break;
 878	default:
 879		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
 880		       reg, idx);
 881		return -EINVAL;
 882	}
 883	return 0;
 884}
 885
 886static int r600_cs_parse_packet0(struct radeon_cs_parser *p,
 887				struct radeon_cs_packet *pkt)
 888{
 889	unsigned reg, i;
 890	unsigned idx;
 891	int r;
 892
 893	idx = pkt->idx + 1;
 894	reg = pkt->reg;
 895	for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
 896		r = r600_packet0_check(p, pkt, idx, reg);
 897		if (r) {
 898			return r;
 899		}
 900	}
 901	return 0;
 902}
 903
 904/**
 905 * r600_cs_check_reg() - check if register is authorized or not
 906 * @parser: parser structure holding parsing context
 907 * @reg: register we are testing
 908 * @idx: index into the cs buffer
 909 *
 910 * This function will test against r600_reg_safe_bm and return 0
 911 * if register is safe. If register is not flag as safe this function
 912 * will test it against a list of register needind special handling.
 913 */
 914static inline int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
 915{
 916	struct r600_cs_track *track = (struct r600_cs_track *)p->track;
 917	struct radeon_cs_reloc *reloc;
 918	u32 m, i, tmp, *ib;
 919	int r;
 920
 921	i = (reg >> 7);
 922	if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
 923		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
 924		return -EINVAL;
 925	}
 926	m = 1 << ((reg >> 2) & 31);
 927	if (!(r600_reg_safe_bm[i] & m))
 928		return 0;
 929	ib = p->ib->ptr;
 930	switch (reg) {
 931	/* force following reg to 0 in an attempt to disable out buffer
 932	 * which will need us to better understand how it works to perform
 933	 * security check on it (Jerome)
 934	 */
 935	case R_0288A8_SQ_ESGS_RING_ITEMSIZE:
 936	case R_008C44_SQ_ESGS_RING_SIZE:
 937	case R_0288B0_SQ_ESTMP_RING_ITEMSIZE:
 938	case R_008C54_SQ_ESTMP_RING_SIZE:
 939	case R_0288C0_SQ_FBUF_RING_ITEMSIZE:
 940	case R_008C74_SQ_FBUF_RING_SIZE:
 941	case R_0288B4_SQ_GSTMP_RING_ITEMSIZE:
 942	case R_008C5C_SQ_GSTMP_RING_SIZE:
 943	case R_0288AC_SQ_GSVS_RING_ITEMSIZE:
 944	case R_008C4C_SQ_GSVS_RING_SIZE:
 945	case R_0288BC_SQ_PSTMP_RING_ITEMSIZE:
 946	case R_008C6C_SQ_PSTMP_RING_SIZE:
 947	case R_0288C4_SQ_REDUC_RING_ITEMSIZE:
 948	case R_008C7C_SQ_REDUC_RING_SIZE:
 949	case R_0288B8_SQ_VSTMP_RING_ITEMSIZE:
 950	case R_008C64_SQ_VSTMP_RING_SIZE:
 951	case R_0288C8_SQ_GS_VERT_ITEMSIZE:
 952		/* get value to populate the IB don't remove */
 953		tmp =radeon_get_ib_value(p, idx);
 954		ib[idx] = 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 955		break;
 956	case SQ_CONFIG:
 957		track->sq_config = radeon_get_ib_value(p, idx);
 958		break;
 959	case R_028800_DB_DEPTH_CONTROL:
 960		track->db_depth_control = radeon_get_ib_value(p, idx);
 
 961		break;
 962	case R_028010_DB_DEPTH_INFO:
 963		if (r600_cs_packet_next_is_pkt3_nop(p)) {
 964			r = r600_cs_packet_next_reloc(p, &reloc);
 
 965			if (r) {
 966				dev_warn(p->dev, "bad SET_CONTEXT_REG "
 967					 "0x%04X\n", reg);
 968				return -EINVAL;
 969			}
 970			track->db_depth_info = radeon_get_ib_value(p, idx);
 971			ib[idx] &= C_028010_ARRAY_MODE;
 972			track->db_depth_info &= C_028010_ARRAY_MODE;
 973			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
 974				ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
 975				track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
 976			} else {
 977				ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
 978				track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
 979			}
 980		} else
 981			track->db_depth_info = radeon_get_ib_value(p, idx);
 
 
 982		break;
 983	case R_028004_DB_DEPTH_VIEW:
 984		track->db_depth_view = radeon_get_ib_value(p, idx);
 
 985		break;
 986	case R_028000_DB_DEPTH_SIZE:
 987		track->db_depth_size = radeon_get_ib_value(p, idx);
 988		track->db_depth_size_idx = idx;
 
 989		break;
 990	case R_028AB0_VGT_STRMOUT_EN:
 991		track->vgt_strmout_en = radeon_get_ib_value(p, idx);
 
 992		break;
 993	case R_028B20_VGT_STRMOUT_BUFFER_EN:
 994		track->vgt_strmout_buffer_en = radeon_get_ib_value(p, idx);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 995		break;
 996	case R_028238_CB_TARGET_MASK:
 997		track->cb_target_mask = radeon_get_ib_value(p, idx);
 
 998		break;
 999	case R_02823C_CB_SHADER_MASK:
1000		track->cb_shader_mask = radeon_get_ib_value(p, idx);
1001		break;
1002	case R_028C04_PA_SC_AA_CONFIG:
1003		tmp = G_028C04_MSAA_NUM_SAMPLES(radeon_get_ib_value(p, idx));
 
1004		track->nsamples = 1 << tmp;
 
 
 
 
 
 
1005		break;
1006	case R_0280A0_CB_COLOR0_INFO:
1007	case R_0280A4_CB_COLOR1_INFO:
1008	case R_0280A8_CB_COLOR2_INFO:
1009	case R_0280AC_CB_COLOR3_INFO:
1010	case R_0280B0_CB_COLOR4_INFO:
1011	case R_0280B4_CB_COLOR5_INFO:
1012	case R_0280B8_CB_COLOR6_INFO:
1013	case R_0280BC_CB_COLOR7_INFO:
1014		if (r600_cs_packet_next_is_pkt3_nop(p)) {
1015			r = r600_cs_packet_next_reloc(p, &reloc);
 
1016			if (r) {
1017				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1018				return -EINVAL;
1019			}
1020			tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1021			track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1022			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
1023				ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1024				track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1025			} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
1026				ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1027				track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1028			}
1029		} else {
1030			tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1031			track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1032		}
 
 
 
 
 
 
 
 
 
 
 
 
 
1033		break;
1034	case R_028060_CB_COLOR0_SIZE:
1035	case R_028064_CB_COLOR1_SIZE:
1036	case R_028068_CB_COLOR2_SIZE:
1037	case R_02806C_CB_COLOR3_SIZE:
1038	case R_028070_CB_COLOR4_SIZE:
1039	case R_028074_CB_COLOR5_SIZE:
1040	case R_028078_CB_COLOR6_SIZE:
1041	case R_02807C_CB_COLOR7_SIZE:
1042		tmp = (reg - R_028060_CB_COLOR0_SIZE) / 4;
1043		track->cb_color_size[tmp] = radeon_get_ib_value(p, idx);
1044		track->cb_color_size_idx[tmp] = idx;
 
1045		break;
1046		/* This register were added late, there is userspace
1047		 * which does provide relocation for those but set
1048		 * 0 offset. In order to avoid breaking old userspace
1049		 * we detect this and set address to point to last
1050		 * CB_COLOR0_BASE, note that if userspace doesn't set
1051		 * CB_COLOR0_BASE before this register we will report
1052		 * error. Old userspace always set CB_COLOR0_BASE
1053		 * before any of this.
1054		 */
1055	case R_0280E0_CB_COLOR0_FRAG:
1056	case R_0280E4_CB_COLOR1_FRAG:
1057	case R_0280E8_CB_COLOR2_FRAG:
1058	case R_0280EC_CB_COLOR3_FRAG:
1059	case R_0280F0_CB_COLOR4_FRAG:
1060	case R_0280F4_CB_COLOR5_FRAG:
1061	case R_0280F8_CB_COLOR6_FRAG:
1062	case R_0280FC_CB_COLOR7_FRAG:
1063		tmp = (reg - R_0280E0_CB_COLOR0_FRAG) / 4;
1064		if (!r600_cs_packet_next_is_pkt3_nop(p)) {
1065			if (!track->cb_color_base_last[tmp]) {
1066				dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1067				return -EINVAL;
1068			}
1069			ib[idx] = track->cb_color_base_last[tmp];
1070			track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp];
 
 
1071		} else {
1072			r = r600_cs_packet_next_reloc(p, &reloc);
1073			if (r) {
1074				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1075				return -EINVAL;
1076			}
1077			ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1078			track->cb_color_frag_bo[tmp] = reloc->robj;
 
 
 
 
 
1079		}
1080		break;
1081	case R_0280C0_CB_COLOR0_TILE:
1082	case R_0280C4_CB_COLOR1_TILE:
1083	case R_0280C8_CB_COLOR2_TILE:
1084	case R_0280CC_CB_COLOR3_TILE:
1085	case R_0280D0_CB_COLOR4_TILE:
1086	case R_0280D4_CB_COLOR5_TILE:
1087	case R_0280D8_CB_COLOR6_TILE:
1088	case R_0280DC_CB_COLOR7_TILE:
1089		tmp = (reg - R_0280C0_CB_COLOR0_TILE) / 4;
1090		if (!r600_cs_packet_next_is_pkt3_nop(p)) {
1091			if (!track->cb_color_base_last[tmp]) {
1092				dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1093				return -EINVAL;
1094			}
1095			ib[idx] = track->cb_color_base_last[tmp];
1096			track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp];
 
 
1097		} else {
1098			r = r600_cs_packet_next_reloc(p, &reloc);
1099			if (r) {
1100				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1101				return -EINVAL;
1102			}
1103			ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1104			track->cb_color_tile_bo[tmp] = reloc->robj;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1105		}
1106		break;
1107	case CB_COLOR0_BASE:
1108	case CB_COLOR1_BASE:
1109	case CB_COLOR2_BASE:
1110	case CB_COLOR3_BASE:
1111	case CB_COLOR4_BASE:
1112	case CB_COLOR5_BASE:
1113	case CB_COLOR6_BASE:
1114	case CB_COLOR7_BASE:
1115		r = r600_cs_packet_next_reloc(p, &reloc);
1116		if (r) {
1117			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1118					"0x%04X\n", reg);
1119			return -EINVAL;
1120		}
1121		tmp = (reg - CB_COLOR0_BASE) / 4;
1122		track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1123		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1124		track->cb_color_base_last[tmp] = ib[idx];
1125		track->cb_color_bo[tmp] = reloc->robj;
1126		track->cb_color_bo_mc[tmp] = reloc->lobj.gpu_offset;
 
1127		break;
1128	case DB_DEPTH_BASE:
1129		r = r600_cs_packet_next_reloc(p, &reloc);
1130		if (r) {
1131			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1132					"0x%04X\n", reg);
1133			return -EINVAL;
1134		}
1135		track->db_offset = radeon_get_ib_value(p, idx) << 8;
1136		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1137		track->db_bo = reloc->robj;
1138		track->db_bo_mc = reloc->lobj.gpu_offset;
 
1139		break;
1140	case DB_HTILE_DATA_BASE:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1141	case SQ_PGM_START_FS:
1142	case SQ_PGM_START_ES:
1143	case SQ_PGM_START_VS:
1144	case SQ_PGM_START_GS:
1145	case SQ_PGM_START_PS:
1146	case SQ_ALU_CONST_CACHE_GS_0:
1147	case SQ_ALU_CONST_CACHE_GS_1:
1148	case SQ_ALU_CONST_CACHE_GS_2:
1149	case SQ_ALU_CONST_CACHE_GS_3:
1150	case SQ_ALU_CONST_CACHE_GS_4:
1151	case SQ_ALU_CONST_CACHE_GS_5:
1152	case SQ_ALU_CONST_CACHE_GS_6:
1153	case SQ_ALU_CONST_CACHE_GS_7:
1154	case SQ_ALU_CONST_CACHE_GS_8:
1155	case SQ_ALU_CONST_CACHE_GS_9:
1156	case SQ_ALU_CONST_CACHE_GS_10:
1157	case SQ_ALU_CONST_CACHE_GS_11:
1158	case SQ_ALU_CONST_CACHE_GS_12:
1159	case SQ_ALU_CONST_CACHE_GS_13:
1160	case SQ_ALU_CONST_CACHE_GS_14:
1161	case SQ_ALU_CONST_CACHE_GS_15:
1162	case SQ_ALU_CONST_CACHE_PS_0:
1163	case SQ_ALU_CONST_CACHE_PS_1:
1164	case SQ_ALU_CONST_CACHE_PS_2:
1165	case SQ_ALU_CONST_CACHE_PS_3:
1166	case SQ_ALU_CONST_CACHE_PS_4:
1167	case SQ_ALU_CONST_CACHE_PS_5:
1168	case SQ_ALU_CONST_CACHE_PS_6:
1169	case SQ_ALU_CONST_CACHE_PS_7:
1170	case SQ_ALU_CONST_CACHE_PS_8:
1171	case SQ_ALU_CONST_CACHE_PS_9:
1172	case SQ_ALU_CONST_CACHE_PS_10:
1173	case SQ_ALU_CONST_CACHE_PS_11:
1174	case SQ_ALU_CONST_CACHE_PS_12:
1175	case SQ_ALU_CONST_CACHE_PS_13:
1176	case SQ_ALU_CONST_CACHE_PS_14:
1177	case SQ_ALU_CONST_CACHE_PS_15:
1178	case SQ_ALU_CONST_CACHE_VS_0:
1179	case SQ_ALU_CONST_CACHE_VS_1:
1180	case SQ_ALU_CONST_CACHE_VS_2:
1181	case SQ_ALU_CONST_CACHE_VS_3:
1182	case SQ_ALU_CONST_CACHE_VS_4:
1183	case SQ_ALU_CONST_CACHE_VS_5:
1184	case SQ_ALU_CONST_CACHE_VS_6:
1185	case SQ_ALU_CONST_CACHE_VS_7:
1186	case SQ_ALU_CONST_CACHE_VS_8:
1187	case SQ_ALU_CONST_CACHE_VS_9:
1188	case SQ_ALU_CONST_CACHE_VS_10:
1189	case SQ_ALU_CONST_CACHE_VS_11:
1190	case SQ_ALU_CONST_CACHE_VS_12:
1191	case SQ_ALU_CONST_CACHE_VS_13:
1192	case SQ_ALU_CONST_CACHE_VS_14:
1193	case SQ_ALU_CONST_CACHE_VS_15:
1194		r = r600_cs_packet_next_reloc(p, &reloc);
1195		if (r) {
1196			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1197					"0x%04X\n", reg);
1198			return -EINVAL;
1199		}
1200		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1201		break;
1202	case SX_MEMORY_EXPORT_BASE:
1203		r = r600_cs_packet_next_reloc(p, &reloc);
1204		if (r) {
1205			dev_warn(p->dev, "bad SET_CONFIG_REG "
1206					"0x%04X\n", reg);
1207			return -EINVAL;
1208		}
1209		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
 
 
 
1210		break;
1211	default:
1212		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1213		return -EINVAL;
1214	}
1215	return 0;
1216}
1217
1218static inline unsigned mip_minify(unsigned size, unsigned level)
1219{
1220	unsigned val;
1221
1222	val = max(1U, size >> level);
1223	if (level > 0)
1224		val = roundup_pow_of_two(val);
1225	return val;
1226}
1227
1228static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned llevel,
1229			      unsigned w0, unsigned h0, unsigned d0, unsigned format,
1230			      unsigned block_align, unsigned height_align, unsigned base_align,
1231			      unsigned *l0_size, unsigned *mipmap_size)
1232{
1233	unsigned offset, i, level;
1234	unsigned width, height, depth, size;
1235	unsigned blocksize;
1236	unsigned nbx, nby;
1237	unsigned nlevels = llevel - blevel + 1;
1238
1239	*l0_size = -1;
1240	blocksize = fmt_get_blocksize(format);
1241
1242	w0 = mip_minify(w0, 0);
1243	h0 = mip_minify(h0, 0);
1244	d0 = mip_minify(d0, 0);
1245	for(i = 0, offset = 0, level = blevel; i < nlevels; i++, level++) {
1246		width = mip_minify(w0, i);
1247		nbx = fmt_get_nblocksx(format, width);
1248
1249		nbx = round_up(nbx, block_align);
1250
1251		height = mip_minify(h0, i);
1252		nby = fmt_get_nblocksy(format, height);
1253		nby = round_up(nby, height_align);
1254
1255		depth = mip_minify(d0, i);
1256
1257		size = nbx * nby * blocksize;
1258		if (nfaces)
1259			size *= nfaces;
1260		else
1261			size *= depth;
1262
1263		if (i == 0)
1264			*l0_size = size;
1265
1266		if (i == 0 || i == 1)
1267			offset = round_up(offset, base_align);
1268
1269		offset += size;
1270	}
1271	*mipmap_size = offset;
1272	if (llevel == 0)
1273		*mipmap_size = *l0_size;
1274	if (!blevel)
1275		*mipmap_size -= *l0_size;
1276}
1277
1278/**
1279 * r600_check_texture_resource() - check if register is authorized or not
1280 * @p: parser structure holding parsing context
1281 * @idx: index into the cs buffer
1282 * @texture: texture's bo structure
1283 * @mipmap: mipmap's bo structure
1284 *
1285 * This function will check that the resource has valid field and that
1286 * the texture and mipmap bo object are big enough to cover this resource.
1287 */
1288static inline int r600_check_texture_resource(struct radeon_cs_parser *p,  u32 idx,
1289					      struct radeon_bo *texture,
1290					      struct radeon_bo *mipmap,
1291					      u64 base_offset,
1292					      u64 mip_offset,
1293					      u32 tiling_flags)
1294{
1295	struct r600_cs_track *track = p->track;
1296	u32 nfaces, llevel, blevel, w0, h0, d0;
1297	u32 word0, word1, l0_size, mipmap_size, word2, word3;
1298	u32 height_align, pitch, pitch_align, depth_align;
1299	u32 array, barray, larray;
1300	u64 base_align;
1301	struct array_mode_checker array_check;
1302	u32 format;
 
1303
1304	/* on legacy kernel we don't perform advanced check */
1305	if (p->rdev == NULL)
1306		return 0;
1307
1308	/* convert to bytes */
1309	base_offset <<= 8;
1310	mip_offset <<= 8;
1311
1312	word0 = radeon_get_ib_value(p, idx + 0);
1313	if (tiling_flags & RADEON_TILING_MACRO)
1314		word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
1315	else if (tiling_flags & RADEON_TILING_MICRO)
1316		word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
 
 
1317	word1 = radeon_get_ib_value(p, idx + 1);
 
 
 
 
 
1318	w0 = G_038000_TEX_WIDTH(word0) + 1;
 
1319	h0 = G_038004_TEX_HEIGHT(word1) + 1;
1320	d0 = G_038004_TEX_DEPTH(word1);
 
 
 
 
 
 
 
 
 
 
1321	nfaces = 1;
1322	switch (G_038000_DIM(word0)) {
 
1323	case V_038000_SQ_TEX_DIM_1D:
1324	case V_038000_SQ_TEX_DIM_2D:
1325	case V_038000_SQ_TEX_DIM_3D:
1326		break;
1327	case V_038000_SQ_TEX_DIM_CUBEMAP:
1328		if (p->family >= CHIP_RV770)
1329			nfaces = 8;
1330		else
1331			nfaces = 6;
1332		break;
1333	case V_038000_SQ_TEX_DIM_1D_ARRAY:
1334	case V_038000_SQ_TEX_DIM_2D_ARRAY:
1335		array = 1;
1336		break;
1337	case V_038000_SQ_TEX_DIM_2D_MSAA:
1338	case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA:
 
 
 
 
 
 
1339	default:
1340		dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0));
1341		return -EINVAL;
1342	}
1343	format = G_038004_DATA_FORMAT(word1);
1344	if (!fmt_is_valid_texture(format, p->family)) {
1345		dev_warn(p->dev, "%s:%d texture invalid format %d\n",
1346			 __func__, __LINE__, format);
1347		return -EINVAL;
1348	}
1349
1350	/* pitch in texels */
1351	pitch = (G_038000_PITCH(word0) + 1) * 8;
1352	array_check.array_mode = G_038000_TILE_MODE(word0);
1353	array_check.group_size = track->group_size;
1354	array_check.nbanks = track->nbanks;
1355	array_check.npipes = track->npipes;
1356	array_check.nsamples = 1;
1357	array_check.blocksize = fmt_get_blocksize(format);
1358	if (r600_get_array_mode_alignment(&array_check,
1359					  &pitch_align, &height_align, &depth_align, &base_align)) {
1360		dev_warn(p->dev, "%s:%d tex array mode (%d) invalid\n",
1361			 __func__, __LINE__, G_038000_TILE_MODE(word0));
1362		return -EINVAL;
1363	}
1364
1365	/* XXX check height as well... */
1366
1367	if (!IS_ALIGNED(pitch, pitch_align)) {
1368		dev_warn(p->dev, "%s:%d tex pitch (%d, 0x%x, %d) invalid\n",
1369			 __func__, __LINE__, pitch, pitch_align, G_038000_TILE_MODE(word0));
1370		return -EINVAL;
1371	}
1372	if (!IS_ALIGNED(base_offset, base_align)) {
1373		dev_warn(p->dev, "%s:%d tex base offset (0x%llx, 0x%llx, %d) invalid\n",
1374			 __func__, __LINE__, base_offset, base_align, G_038000_TILE_MODE(word0));
1375		return -EINVAL;
1376	}
1377	if (!IS_ALIGNED(mip_offset, base_align)) {
1378		dev_warn(p->dev, "%s:%d tex mip offset (0x%llx, 0x%llx, %d) invalid\n",
1379			 __func__, __LINE__, mip_offset, base_align, G_038000_TILE_MODE(word0));
1380		return -EINVAL;
1381	}
1382
1383	word2 = radeon_get_ib_value(p, idx + 2) << 8;
1384	word3 = radeon_get_ib_value(p, idx + 3) << 8;
1385
1386	word0 = radeon_get_ib_value(p, idx + 4);
1387	word1 = radeon_get_ib_value(p, idx + 5);
1388	blevel = G_038010_BASE_LEVEL(word0);
1389	llevel = G_038014_LAST_LEVEL(word1);
1390	if (array == 1) {
1391		barray = G_038014_BASE_ARRAY(word1);
1392		larray = G_038014_LAST_ARRAY(word1);
1393
1394		nfaces = larray - barray + 1;
1395	}
1396	r600_texture_size(nfaces, blevel, llevel, w0, h0, d0, format,
1397			  pitch_align, height_align, base_align,
1398			  &l0_size, &mipmap_size);
1399	/* using get ib will give us the offset into the texture bo */
1400	if ((l0_size + word2) > radeon_bo_size(texture)) {
1401		dev_warn(p->dev, "texture bo too small (%d %d %d %d -> %d have %ld)\n",
1402			w0, h0, format, word2, l0_size, radeon_bo_size(texture));
 
 
1403		dev_warn(p->dev, "alignments %d %d %d %lld\n", pitch, pitch_align, height_align, base_align);
1404		return -EINVAL;
1405	}
1406	/* using get ib will give us the offset into the mipmap bo */
1407	word3 = radeon_get_ib_value(p, idx + 3) << 8;
1408	if ((mipmap_size + word3) > radeon_bo_size(mipmap)) {
1409		/*dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n",
1410		  w0, h0, format, blevel, nlevels, word3, mipmap_size, radeon_bo_size(texture));*/
1411	}
1412	return 0;
1413}
1414
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1415static int r600_packet3_check(struct radeon_cs_parser *p,
1416				struct radeon_cs_packet *pkt)
1417{
1418	struct radeon_cs_reloc *reloc;
1419	struct r600_cs_track *track;
1420	volatile u32 *ib;
1421	unsigned idx;
1422	unsigned i;
1423	unsigned start_reg, end_reg, reg;
1424	int r;
1425	u32 idx_value;
1426
1427	track = (struct r600_cs_track *)p->track;
1428	ib = p->ib->ptr;
1429	idx = pkt->idx + 1;
1430	idx_value = radeon_get_ib_value(p, idx);
1431
1432	switch (pkt->opcode) {
1433	case PACKET3_SET_PREDICATION:
1434	{
1435		int pred_op;
1436		int tmp;
 
 
1437		if (pkt->count != 1) {
1438			DRM_ERROR("bad SET PREDICATION\n");
1439			return -EINVAL;
1440		}
1441
1442		tmp = radeon_get_ib_value(p, idx + 1);
1443		pred_op = (tmp >> 16) & 0x7;
1444
1445		/* for the clear predicate operation */
1446		if (pred_op == 0)
1447			return 0;
1448
1449		if (pred_op > 2) {
1450			DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op);
1451			return -EINVAL;
1452		}
1453
1454		r = r600_cs_packet_next_reloc(p, &reloc);
1455		if (r) {
1456			DRM_ERROR("bad SET PREDICATION\n");
1457			return -EINVAL;
1458		}
1459
1460		ib[idx + 0] = idx_value + (u32)(reloc->lobj.gpu_offset & 0xffffffff);
1461		ib[idx + 1] = tmp + (upper_32_bits(reloc->lobj.gpu_offset) & 0xff);
 
 
 
 
1462	}
1463	break;
1464
1465	case PACKET3_START_3D_CMDBUF:
1466		if (p->family >= CHIP_RV770 || pkt->count) {
1467			DRM_ERROR("bad START_3D\n");
1468			return -EINVAL;
1469		}
1470		break;
1471	case PACKET3_CONTEXT_CONTROL:
1472		if (pkt->count != 1) {
1473			DRM_ERROR("bad CONTEXT_CONTROL\n");
1474			return -EINVAL;
1475		}
1476		break;
1477	case PACKET3_INDEX_TYPE:
1478	case PACKET3_NUM_INSTANCES:
1479		if (pkt->count) {
1480			DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES\n");
1481			return -EINVAL;
1482		}
1483		break;
1484	case PACKET3_DRAW_INDEX:
 
 
1485		if (pkt->count != 3) {
1486			DRM_ERROR("bad DRAW_INDEX\n");
1487			return -EINVAL;
1488		}
1489		r = r600_cs_packet_next_reloc(p, &reloc);
1490		if (r) {
1491			DRM_ERROR("bad DRAW_INDEX\n");
1492			return -EINVAL;
1493		}
1494		ib[idx+0] = idx_value + (u32)(reloc->lobj.gpu_offset & 0xffffffff);
1495		ib[idx+1] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
 
 
 
 
 
 
1496		r = r600_cs_track_check(p);
1497		if (r) {
1498			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1499			return r;
1500		}
1501		break;
 
1502	case PACKET3_DRAW_INDEX_AUTO:
1503		if (pkt->count != 1) {
1504			DRM_ERROR("bad DRAW_INDEX_AUTO\n");
1505			return -EINVAL;
1506		}
1507		r = r600_cs_track_check(p);
1508		if (r) {
1509			dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
1510			return r;
1511		}
1512		break;
1513	case PACKET3_DRAW_INDEX_IMMD_BE:
1514	case PACKET3_DRAW_INDEX_IMMD:
1515		if (pkt->count < 2) {
1516			DRM_ERROR("bad DRAW_INDEX_IMMD\n");
1517			return -EINVAL;
1518		}
1519		r = r600_cs_track_check(p);
1520		if (r) {
1521			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1522			return r;
1523		}
1524		break;
1525	case PACKET3_WAIT_REG_MEM:
1526		if (pkt->count != 5) {
1527			DRM_ERROR("bad WAIT_REG_MEM\n");
1528			return -EINVAL;
1529		}
1530		/* bit 4 is reg (0) or mem (1) */
1531		if (idx_value & 0x10) {
1532			r = r600_cs_packet_next_reloc(p, &reloc);
 
 
1533			if (r) {
1534				DRM_ERROR("bad WAIT_REG_MEM\n");
1535				return -EINVAL;
1536			}
1537			ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff);
1538			ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
 
 
 
 
 
 
 
 
1539		}
1540		break;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1541	case PACKET3_SURFACE_SYNC:
1542		if (pkt->count != 3) {
1543			DRM_ERROR("bad SURFACE_SYNC\n");
1544			return -EINVAL;
1545		}
1546		/* 0xffffffff/0x0 is flush all cache flag */
1547		if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
1548		    radeon_get_ib_value(p, idx + 2) != 0) {
1549			r = r600_cs_packet_next_reloc(p, &reloc);
1550			if (r) {
1551				DRM_ERROR("bad SURFACE_SYNC\n");
1552				return -EINVAL;
1553			}
1554			ib[idx+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1555		}
1556		break;
1557	case PACKET3_EVENT_WRITE:
1558		if (pkt->count != 2 && pkt->count != 0) {
1559			DRM_ERROR("bad EVENT_WRITE\n");
1560			return -EINVAL;
1561		}
1562		if (pkt->count) {
1563			r = r600_cs_packet_next_reloc(p, &reloc);
 
 
1564			if (r) {
1565				DRM_ERROR("bad EVENT_WRITE\n");
1566				return -EINVAL;
1567			}
1568			ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff);
1569			ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
 
 
 
 
1570		}
1571		break;
1572	case PACKET3_EVENT_WRITE_EOP:
 
 
 
1573		if (pkt->count != 4) {
1574			DRM_ERROR("bad EVENT_WRITE_EOP\n");
1575			return -EINVAL;
1576		}
1577		r = r600_cs_packet_next_reloc(p, &reloc);
1578		if (r) {
1579			DRM_ERROR("bad EVENT_WRITE\n");
1580			return -EINVAL;
1581		}
1582		ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff);
1583		ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
 
 
 
 
 
1584		break;
 
1585	case PACKET3_SET_CONFIG_REG:
1586		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_OFFSET;
1587		end_reg = 4 * pkt->count + start_reg - 4;
1588		if ((start_reg < PACKET3_SET_CONFIG_REG_OFFSET) ||
1589		    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
1590		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
1591			DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
1592			return -EINVAL;
1593		}
1594		for (i = 0; i < pkt->count; i++) {
1595			reg = start_reg + (4 * i);
1596			r = r600_cs_check_reg(p, reg, idx+1+i);
1597			if (r)
1598				return r;
1599		}
1600		break;
1601	case PACKET3_SET_CONTEXT_REG:
1602		start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_OFFSET;
1603		end_reg = 4 * pkt->count + start_reg - 4;
1604		if ((start_reg < PACKET3_SET_CONTEXT_REG_OFFSET) ||
1605		    (start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
1606		    (end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
1607			DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n");
1608			return -EINVAL;
1609		}
1610		for (i = 0; i < pkt->count; i++) {
1611			reg = start_reg + (4 * i);
1612			r = r600_cs_check_reg(p, reg, idx+1+i);
1613			if (r)
1614				return r;
1615		}
1616		break;
1617	case PACKET3_SET_RESOURCE:
1618		if (pkt->count % 7) {
1619			DRM_ERROR("bad SET_RESOURCE\n");
1620			return -EINVAL;
1621		}
1622		start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_OFFSET;
1623		end_reg = 4 * pkt->count + start_reg - 4;
1624		if ((start_reg < PACKET3_SET_RESOURCE_OFFSET) ||
1625		    (start_reg >= PACKET3_SET_RESOURCE_END) ||
1626		    (end_reg >= PACKET3_SET_RESOURCE_END)) {
1627			DRM_ERROR("bad SET_RESOURCE\n");
1628			return -EINVAL;
1629		}
1630		for (i = 0; i < (pkt->count / 7); i++) {
1631			struct radeon_bo *texture, *mipmap;
1632			u32 size, offset, base_offset, mip_offset;
1633
1634			switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) {
1635			case SQ_TEX_VTX_VALID_TEXTURE:
1636				/* tex base */
1637				r = r600_cs_packet_next_reloc(p, &reloc);
1638				if (r) {
1639					DRM_ERROR("bad SET_RESOURCE\n");
1640					return -EINVAL;
1641				}
1642				base_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1643				if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1644					ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
1645				else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1646					ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
 
 
1647				texture = reloc->robj;
1648				/* tex mip base */
1649				r = r600_cs_packet_next_reloc(p, &reloc);
1650				if (r) {
1651					DRM_ERROR("bad SET_RESOURCE\n");
1652					return -EINVAL;
1653				}
1654				mip_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1655				mipmap = reloc->robj;
1656				r = r600_check_texture_resource(p,  idx+(i*7)+1,
1657								texture, mipmap,
1658								base_offset + radeon_get_ib_value(p, idx+1+(i*7)+2),
1659								mip_offset + radeon_get_ib_value(p, idx+1+(i*7)+3),
1660								reloc->lobj.tiling_flags);
1661				if (r)
1662					return r;
1663				ib[idx+1+(i*7)+2] += base_offset;
1664				ib[idx+1+(i*7)+3] += mip_offset;
1665				break;
1666			case SQ_TEX_VTX_VALID_BUFFER:
 
 
1667				/* vtx base */
1668				r = r600_cs_packet_next_reloc(p, &reloc);
1669				if (r) {
1670					DRM_ERROR("bad SET_RESOURCE\n");
1671					return -EINVAL;
1672				}
1673				offset = radeon_get_ib_value(p, idx+1+(i*7)+0);
1674				size = radeon_get_ib_value(p, idx+1+(i*7)+1) + 1;
1675				if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
1676					/* force size to size of the buffer */
1677					dev_warn(p->dev, "vbo resource seems too big (%d) for the bo (%ld)\n",
1678						 size + offset, radeon_bo_size(reloc->robj));
1679					ib[idx+1+(i*7)+1] = radeon_bo_size(reloc->robj);
1680				}
1681				ib[idx+1+(i*7)+0] += (u32)((reloc->lobj.gpu_offset) & 0xffffffff);
1682				ib[idx+1+(i*7)+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
 
 
 
1683				break;
 
1684			case SQ_TEX_VTX_INVALID_TEXTURE:
1685			case SQ_TEX_VTX_INVALID_BUFFER:
1686			default:
1687				DRM_ERROR("bad SET_RESOURCE\n");
1688				return -EINVAL;
1689			}
1690		}
1691		break;
1692	case PACKET3_SET_ALU_CONST:
1693		if (track->sq_config & DX9_CONSTS) {
1694			start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET;
1695			end_reg = 4 * pkt->count + start_reg - 4;
1696			if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) ||
1697			    (start_reg >= PACKET3_SET_ALU_CONST_END) ||
1698			    (end_reg >= PACKET3_SET_ALU_CONST_END)) {
1699				DRM_ERROR("bad SET_ALU_CONST\n");
1700				return -EINVAL;
1701			}
1702		}
1703		break;
1704	case PACKET3_SET_BOOL_CONST:
1705		start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_OFFSET;
1706		end_reg = 4 * pkt->count + start_reg - 4;
1707		if ((start_reg < PACKET3_SET_BOOL_CONST_OFFSET) ||
1708		    (start_reg >= PACKET3_SET_BOOL_CONST_END) ||
1709		    (end_reg >= PACKET3_SET_BOOL_CONST_END)) {
1710			DRM_ERROR("bad SET_BOOL_CONST\n");
1711			return -EINVAL;
1712		}
1713		break;
1714	case PACKET3_SET_LOOP_CONST:
1715		start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_OFFSET;
1716		end_reg = 4 * pkt->count + start_reg - 4;
1717		if ((start_reg < PACKET3_SET_LOOP_CONST_OFFSET) ||
1718		    (start_reg >= PACKET3_SET_LOOP_CONST_END) ||
1719		    (end_reg >= PACKET3_SET_LOOP_CONST_END)) {
1720			DRM_ERROR("bad SET_LOOP_CONST\n");
1721			return -EINVAL;
1722		}
1723		break;
1724	case PACKET3_SET_CTL_CONST:
1725		start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_OFFSET;
1726		end_reg = 4 * pkt->count + start_reg - 4;
1727		if ((start_reg < PACKET3_SET_CTL_CONST_OFFSET) ||
1728		    (start_reg >= PACKET3_SET_CTL_CONST_END) ||
1729		    (end_reg >= PACKET3_SET_CTL_CONST_END)) {
1730			DRM_ERROR("bad SET_CTL_CONST\n");
1731			return -EINVAL;
1732		}
1733		break;
1734	case PACKET3_SET_SAMPLER:
1735		if (pkt->count % 3) {
1736			DRM_ERROR("bad SET_SAMPLER\n");
1737			return -EINVAL;
1738		}
1739		start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_OFFSET;
1740		end_reg = 4 * pkt->count + start_reg - 4;
1741		if ((start_reg < PACKET3_SET_SAMPLER_OFFSET) ||
1742		    (start_reg >= PACKET3_SET_SAMPLER_END) ||
1743		    (end_reg >= PACKET3_SET_SAMPLER_END)) {
1744			DRM_ERROR("bad SET_SAMPLER\n");
1745			return -EINVAL;
1746		}
1747		break;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1748	case PACKET3_SURFACE_BASE_UPDATE:
1749		if (p->family >= CHIP_RV770 || p->family == CHIP_R600) {
1750			DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
1751			return -EINVAL;
1752		}
1753		if (pkt->count) {
1754			DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
1755			return -EINVAL;
1756		}
1757		break;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1758	case PACKET3_NOP:
1759		break;
1760	default:
1761		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1762		return -EINVAL;
1763	}
1764	return 0;
1765}
1766
1767int r600_cs_parse(struct radeon_cs_parser *p)
1768{
1769	struct radeon_cs_packet pkt;
1770	struct r600_cs_track *track;
1771	int r;
1772
1773	if (p->track == NULL) {
1774		/* initialize tracker, we are in kms */
1775		track = kzalloc(sizeof(*track), GFP_KERNEL);
1776		if (track == NULL)
1777			return -ENOMEM;
1778		r600_cs_track_init(track);
1779		if (p->rdev->family < CHIP_RV770) {
1780			track->npipes = p->rdev->config.r600.tiling_npipes;
1781			track->nbanks = p->rdev->config.r600.tiling_nbanks;
1782			track->group_size = p->rdev->config.r600.tiling_group_size;
1783		} else if (p->rdev->family <= CHIP_RV740) {
1784			track->npipes = p->rdev->config.rv770.tiling_npipes;
1785			track->nbanks = p->rdev->config.rv770.tiling_nbanks;
1786			track->group_size = p->rdev->config.rv770.tiling_group_size;
1787		}
1788		p->track = track;
1789	}
1790	do {
1791		r = r600_cs_packet_parse(p, &pkt, p->idx);
1792		if (r) {
1793			kfree(p->track);
1794			p->track = NULL;
1795			return r;
1796		}
1797		p->idx += pkt.count + 2;
1798		switch (pkt.type) {
1799		case PACKET_TYPE0:
1800			r = r600_cs_parse_packet0(p, &pkt);
1801			break;
1802		case PACKET_TYPE2:
1803			break;
1804		case PACKET_TYPE3:
1805			r = r600_packet3_check(p, &pkt);
1806			break;
1807		default:
1808			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1809			kfree(p->track);
1810			p->track = NULL;
1811			return -EINVAL;
1812		}
1813		if (r) {
1814			kfree(p->track);
1815			p->track = NULL;
1816			return r;
1817		}
1818	} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1819#if 0
1820	for (r = 0; r < p->ib->length_dw; r++) {
1821		printk(KERN_INFO "%05d  0x%08X\n", r, p->ib->ptr[r]);
1822		mdelay(1);
1823	}
1824#endif
1825	kfree(p->track);
1826	p->track = NULL;
1827	return 0;
1828}
1829
1830static int r600_cs_parser_relocs_legacy(struct radeon_cs_parser *p)
 
 
 
 
 
 
 
 
 
 
 
 
1831{
1832	if (p->chunk_relocs_idx == -1) {
1833		return 0;
 
 
 
 
 
1834	}
1835	p->relocs = kzalloc(sizeof(struct radeon_cs_reloc), GFP_KERNEL);
1836	if (p->relocs == NULL) {
1837		return -ENOMEM;
 
 
 
1838	}
 
 
1839	return 0;
1840}
1841
 
 
 
 
1842/**
1843 * cs_parser_fini() - clean parser states
1844 * @parser:	parser structure holding parsing context.
1845 * @error:	error number
1846 *
1847 * If error is set than unvalidate buffer, otherwise just free memory
1848 * used by parsing context.
 
 
1849 **/
1850static void r600_cs_parser_fini(struct radeon_cs_parser *parser, int error)
1851{
1852	unsigned i;
1853
1854	kfree(parser->relocs);
1855	for (i = 0; i < parser->nchunks; i++) {
1856		kfree(parser->chunks[i].kdata);
1857		kfree(parser->chunks[i].kpage[0]);
1858		kfree(parser->chunks[i].kpage[1]);
1859	}
1860	kfree(parser->chunks);
1861	kfree(parser->chunks_array);
1862}
1863
1864int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp,
1865			unsigned family, u32 *ib, int *l)
1866{
1867	struct radeon_cs_parser parser;
1868	struct radeon_cs_chunk *ib_chunk;
1869	struct radeon_ib fake_ib;
1870	struct r600_cs_track *track;
1871	int r;
1872
1873	/* initialize tracker */
1874	track = kzalloc(sizeof(*track), GFP_KERNEL);
1875	if (track == NULL)
1876		return -ENOMEM;
1877	r600_cs_track_init(track);
1878	r600_cs_legacy_get_tiling_conf(dev, &track->npipes, &track->nbanks, &track->group_size);
1879	/* initialize parser */
1880	memset(&parser, 0, sizeof(struct radeon_cs_parser));
1881	parser.filp = filp;
1882	parser.dev = &dev->pdev->dev;
1883	parser.rdev = NULL;
1884	parser.family = family;
1885	parser.ib = &fake_ib;
1886	parser.track = track;
1887	fake_ib.ptr = ib;
1888	r = radeon_cs_parser_init(&parser, data);
1889	if (r) {
1890		DRM_ERROR("Failed to initialize parser !\n");
1891		r600_cs_parser_fini(&parser, r);
1892		return r;
1893	}
1894	r = r600_cs_parser_relocs_legacy(&parser);
1895	if (r) {
1896		DRM_ERROR("Failed to parse relocation !\n");
1897		r600_cs_parser_fini(&parser, r);
1898		return r;
1899	}
1900	/* Copy the packet into the IB, the parser will read from the
1901	 * input memory (cached) and write to the IB (which can be
1902	 * uncached). */
1903	ib_chunk = &parser.chunks[parser.chunk_ib_idx];
1904	parser.ib->length_dw = ib_chunk->length_dw;
1905	*l = parser.ib->length_dw;
1906	r = r600_cs_parse(&parser);
1907	if (r) {
1908		DRM_ERROR("Invalid command stream !\n");
1909		r600_cs_parser_fini(&parser, r);
1910		return r;
1911	}
1912	r = radeon_cs_finish_pages(&parser);
1913	if (r) {
1914		DRM_ERROR("Invalid command stream !\n");
1915		r600_cs_parser_fini(&parser, r);
1916		return r;
1917	}
1918	r600_cs_parser_fini(&parser, r);
1919	return r;
1920}
1921
1922void r600_cs_legacy_init(void)
1923{
1924	r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_nomm;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1925}