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Add linux-next specific files for 20110831
[linux-2.6/next.git] / drivers / gpu / drm / radeon / r600_cs.c
blobcf83aa05a6845e1cc62a9a6da43a17ba75cb588a
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
34 static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p,
35 struct radeon_cs_reloc **cs_reloc);
36 static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
37 struct radeon_cs_reloc **cs_reloc);
38 typedef int (*next_reloc_t)(struct radeon_cs_parser*, struct radeon_cs_reloc**);
39 static next_reloc_t r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_mm;
40 extern void r600_cs_legacy_get_tiling_conf(struct drm_device *dev, u32 *npipes, u32 *nbanks, u32 *group_size);
41
42
43 struct 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
83 struct gpu_formats {
84 unsigned blockwidth;
85 unsigned blockheight;
86 unsigned blocksize;
87 unsigned valid_color;
88 enum radeon_family min_family;
89 };
90
91 static 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
165 static 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
176 static 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
190 static 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
198 static 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
212 static 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
226 static 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
240 fail:
241 *bpe = 16;
242 return -EINVAL;
243 }
244
245 struct 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 */
255 static 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
307 static 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
334 static 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
442 static 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 **/
601 int 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 **/
651 static 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 **/
697 static 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 **/
740 static 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 */
769 static 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
863 static 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
886 static 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 */
914 static 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
1218 static 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
1228 static 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 */
1288 static 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
1415 static 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
1767 int 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
1830 static 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 **/
1850 static 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
1864 int 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
1922 void r600_cs_legacy_init(void)
1923 {
1924 r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_nomm;
1925 }
linux-next