01a3ec83f284de58b34bd56ff9ec85525efcc0fb
[linux-3.10.git] / drivers / gpu / drm / radeon / r600_cs.c
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #include <linux/kernel.h>
29 #include <drm/drmP.h>
30 #include "radeon.h"
31 #include "r600d.h"
32 #include "r600_reg_safe.h"
33
34 static int r600_nomm;
35 extern void r600_cs_legacy_get_tiling_conf(struct drm_device *dev, u32 *npipes, u32 *nbanks, u32 *group_size);
36
37
38 struct r600_cs_track {
39         /* configuration we miror so that we use same code btw kms/ums */
40         u32                     group_size;
41         u32                     nbanks;
42         u32                     npipes;
43         /* value we track */
44         u32                     sq_config;
45         u32                     log_nsamples;
46         u32                     nsamples;
47         u32                     cb_color_base_last[8];
48         struct radeon_bo        *cb_color_bo[8];
49         u64                     cb_color_bo_mc[8];
50         u64                     cb_color_bo_offset[8];
51         struct radeon_bo        *cb_color_frag_bo[8];
52         u64                     cb_color_frag_offset[8];
53         struct radeon_bo        *cb_color_tile_bo[8];
54         u64                     cb_color_tile_offset[8];
55         u32                     cb_color_mask[8];
56         u32                     cb_color_info[8];
57         u32                     cb_color_view[8];
58         u32                     cb_color_size_idx[8]; /* unused */
59         u32                     cb_target_mask;
60         u32                     cb_shader_mask;  /* unused */
61         bool                    is_resolve;
62         u32                     cb_color_size[8];
63         u32                     vgt_strmout_en;
64         u32                     vgt_strmout_buffer_en;
65         struct radeon_bo        *vgt_strmout_bo[4];
66         u64                     vgt_strmout_bo_mc[4]; /* unused */
67         u32                     vgt_strmout_bo_offset[4];
68         u32                     vgt_strmout_size[4];
69         u32                     db_depth_control;
70         u32                     db_depth_info;
71         u32                     db_depth_size_idx;
72         u32                     db_depth_view;
73         u32                     db_depth_size;
74         u32                     db_offset;
75         struct radeon_bo        *db_bo;
76         u64                     db_bo_mc;
77         bool                    sx_misc_kill_all_prims;
78         bool                    cb_dirty;
79         bool                    db_dirty;
80         bool                    streamout_dirty;
81         struct radeon_bo        *htile_bo;
82         u64                     htile_offset;
83         u32                     htile_surface;
84 };
85
86 #define FMT_8_BIT(fmt, vc)   [fmt] = { 1, 1, 1, vc, CHIP_R600 }
87 #define FMT_16_BIT(fmt, vc)  [fmt] = { 1, 1, 2, vc, CHIP_R600 }
88 #define FMT_24_BIT(fmt)      [fmt] = { 1, 1, 4,  0, CHIP_R600 }
89 #define FMT_32_BIT(fmt, vc)  [fmt] = { 1, 1, 4, vc, CHIP_R600 }
90 #define FMT_48_BIT(fmt)      [fmt] = { 1, 1, 8,  0, CHIP_R600 }
91 #define FMT_64_BIT(fmt, vc)  [fmt] = { 1, 1, 8, vc, CHIP_R600 }
92 #define FMT_96_BIT(fmt)      [fmt] = { 1, 1, 12, 0, CHIP_R600 }
93 #define FMT_128_BIT(fmt, vc) [fmt] = { 1, 1, 16,vc, CHIP_R600 }
94
95 struct gpu_formats {
96         unsigned blockwidth;
97         unsigned blockheight;
98         unsigned blocksize;
99         unsigned valid_color;
100         enum radeon_family min_family;
101 };
102
103 static const struct gpu_formats color_formats_table[] = {
104         /* 8 bit */
105         FMT_8_BIT(V_038004_COLOR_8, 1),
106         FMT_8_BIT(V_038004_COLOR_4_4, 1),
107         FMT_8_BIT(V_038004_COLOR_3_3_2, 1),
108         FMT_8_BIT(V_038004_FMT_1, 0),
109
110         /* 16-bit */
111         FMT_16_BIT(V_038004_COLOR_16, 1),
112         FMT_16_BIT(V_038004_COLOR_16_FLOAT, 1),
113         FMT_16_BIT(V_038004_COLOR_8_8, 1),
114         FMT_16_BIT(V_038004_COLOR_5_6_5, 1),
115         FMT_16_BIT(V_038004_COLOR_6_5_5, 1),
116         FMT_16_BIT(V_038004_COLOR_1_5_5_5, 1),
117         FMT_16_BIT(V_038004_COLOR_4_4_4_4, 1),
118         FMT_16_BIT(V_038004_COLOR_5_5_5_1, 1),
119
120         /* 24-bit */
121         FMT_24_BIT(V_038004_FMT_8_8_8),
122
123         /* 32-bit */
124         FMT_32_BIT(V_038004_COLOR_32, 1),
125         FMT_32_BIT(V_038004_COLOR_32_FLOAT, 1),
126         FMT_32_BIT(V_038004_COLOR_16_16, 1),
127         FMT_32_BIT(V_038004_COLOR_16_16_FLOAT, 1),
128         FMT_32_BIT(V_038004_COLOR_8_24, 1),
129         FMT_32_BIT(V_038004_COLOR_8_24_FLOAT, 1),
130         FMT_32_BIT(V_038004_COLOR_24_8, 1),
131         FMT_32_BIT(V_038004_COLOR_24_8_FLOAT, 1),
132         FMT_32_BIT(V_038004_COLOR_10_11_11, 1),
133         FMT_32_BIT(V_038004_COLOR_10_11_11_FLOAT, 1),
134         FMT_32_BIT(V_038004_COLOR_11_11_10, 1),
135         FMT_32_BIT(V_038004_COLOR_11_11_10_FLOAT, 1),
136         FMT_32_BIT(V_038004_COLOR_2_10_10_10, 1),
137         FMT_32_BIT(V_038004_COLOR_8_8_8_8, 1),
138         FMT_32_BIT(V_038004_COLOR_10_10_10_2, 1),
139         FMT_32_BIT(V_038004_FMT_5_9_9_9_SHAREDEXP, 0),
140         FMT_32_BIT(V_038004_FMT_32_AS_8, 0),
141         FMT_32_BIT(V_038004_FMT_32_AS_8_8, 0),
142
143         /* 48-bit */
144         FMT_48_BIT(V_038004_FMT_16_16_16),
145         FMT_48_BIT(V_038004_FMT_16_16_16_FLOAT),
146
147         /* 64-bit */
148         FMT_64_BIT(V_038004_COLOR_X24_8_32_FLOAT, 1),
149         FMT_64_BIT(V_038004_COLOR_32_32, 1),
150         FMT_64_BIT(V_038004_COLOR_32_32_FLOAT, 1),
151         FMT_64_BIT(V_038004_COLOR_16_16_16_16, 1),
152         FMT_64_BIT(V_038004_COLOR_16_16_16_16_FLOAT, 1),
153
154         FMT_96_BIT(V_038004_FMT_32_32_32),
155         FMT_96_BIT(V_038004_FMT_32_32_32_FLOAT),
156
157         /* 128-bit */
158         FMT_128_BIT(V_038004_COLOR_32_32_32_32, 1),
159         FMT_128_BIT(V_038004_COLOR_32_32_32_32_FLOAT, 1),
160
161         [V_038004_FMT_GB_GR] = { 2, 1, 4, 0 },
162         [V_038004_FMT_BG_RG] = { 2, 1, 4, 0 },
163
164         /* block compressed formats */
165         [V_038004_FMT_BC1] = { 4, 4, 8, 0 },
166         [V_038004_FMT_BC2] = { 4, 4, 16, 0 },
167         [V_038004_FMT_BC3] = { 4, 4, 16, 0 },
168         [V_038004_FMT_BC4] = { 4, 4, 8, 0 },
169         [V_038004_FMT_BC5] = { 4, 4, 16, 0},
170         [V_038004_FMT_BC6] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
171         [V_038004_FMT_BC7] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
172
173         /* The other Evergreen formats */
174         [V_038004_FMT_32_AS_32_32_32_32] = { 1, 1, 4, 0, CHIP_CEDAR},
175 };
176
177 bool r600_fmt_is_valid_color(u32 format)
178 {
179         if (format >= ARRAY_SIZE(color_formats_table))
180                 return false;
181
182         if (color_formats_table[format].valid_color)
183                 return true;
184
185         return false;
186 }
187
188 bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family)
189 {
190         if (format >= ARRAY_SIZE(color_formats_table))
191                 return false;
192
193         if (family < color_formats_table[format].min_family)
194                 return false;
195
196         if (color_formats_table[format].blockwidth > 0)
197                 return true;
198
199         return false;
200 }
201
202 int r600_fmt_get_blocksize(u32 format)
203 {
204         if (format >= ARRAY_SIZE(color_formats_table))
205                 return 0;
206
207         return color_formats_table[format].blocksize;
208 }
209
210 int r600_fmt_get_nblocksx(u32 format, u32 w)
211 {
212         unsigned bw;
213
214         if (format >= ARRAY_SIZE(color_formats_table))
215                 return 0;
216
217         bw = color_formats_table[format].blockwidth;
218         if (bw == 0)
219                 return 0;
220
221         return (w + bw - 1) / bw;
222 }
223
224 int r600_fmt_get_nblocksy(u32 format, u32 h)
225 {
226         unsigned bh;
227
228         if (format >= ARRAY_SIZE(color_formats_table))
229                 return 0;
230
231         bh = color_formats_table[format].blockheight;
232         if (bh == 0)
233                 return 0;
234
235         return (h + bh - 1) / bh;
236 }
237
238 struct array_mode_checker {
239         int array_mode;
240         u32 group_size;
241         u32 nbanks;
242         u32 npipes;
243         u32 nsamples;
244         u32 blocksize;
245 };
246
247 /* returns alignment in pixels for pitch/height/depth and bytes for base */
248 static int r600_get_array_mode_alignment(struct array_mode_checker *values,
249                                                 u32 *pitch_align,
250                                                 u32 *height_align,
251                                                 u32 *depth_align,
252                                                 u64 *base_align)
253 {
254         u32 tile_width = 8;
255         u32 tile_height = 8;
256         u32 macro_tile_width = values->nbanks;
257         u32 macro_tile_height = values->npipes;
258         u32 tile_bytes = tile_width * tile_height * values->blocksize * values->nsamples;
259         u32 macro_tile_bytes = macro_tile_width * macro_tile_height * tile_bytes;
260
261         switch (values->array_mode) {
262         case ARRAY_LINEAR_GENERAL:
263                 /* technically tile_width/_height for pitch/height */
264                 *pitch_align = 1; /* tile_width */
265                 *height_align = 1; /* tile_height */
266                 *depth_align = 1;
267                 *base_align = 1;
268                 break;
269         case ARRAY_LINEAR_ALIGNED:
270                 *pitch_align = max((u32)64, (u32)(values->group_size / values->blocksize));
271                 *height_align = 1;
272                 *depth_align = 1;
273                 *base_align = values->group_size;
274                 break;
275         case ARRAY_1D_TILED_THIN1:
276                 *pitch_align = max((u32)tile_width,
277                                    (u32)(values->group_size /
278                                          (tile_height * values->blocksize * values->nsamples)));
279                 *height_align = tile_height;
280                 *depth_align = 1;
281                 *base_align = values->group_size;
282                 break;
283         case ARRAY_2D_TILED_THIN1:
284                 *pitch_align = max((u32)macro_tile_width * tile_width,
285                                 (u32)((values->group_size * values->nbanks) /
286                                 (values->blocksize * values->nsamples * tile_width)));
287                 *height_align = macro_tile_height * tile_height;
288                 *depth_align = 1;
289                 *base_align = max(macro_tile_bytes,
290                                   (*pitch_align) * values->blocksize * (*height_align) * values->nsamples);
291                 break;
292         default:
293                 return -EINVAL;
294         }
295
296         return 0;
297 }
298
299 static void r600_cs_track_init(struct r600_cs_track *track)
300 {
301         int i;
302
303         /* assume DX9 mode */
304         track->sq_config = DX9_CONSTS;
305         for (i = 0; i < 8; i++) {
306                 track->cb_color_base_last[i] = 0;
307                 track->cb_color_size[i] = 0;
308                 track->cb_color_size_idx[i] = 0;
309                 track->cb_color_info[i] = 0;
310                 track->cb_color_view[i] = 0xFFFFFFFF;
311                 track->cb_color_bo[i] = NULL;
312                 track->cb_color_bo_offset[i] = 0xFFFFFFFF;
313                 track->cb_color_bo_mc[i] = 0xFFFFFFFF;
314                 track->cb_color_frag_bo[i] = NULL;
315                 track->cb_color_frag_offset[i] = 0xFFFFFFFF;
316                 track->cb_color_tile_bo[i] = NULL;
317                 track->cb_color_tile_offset[i] = 0xFFFFFFFF;
318                 track->cb_color_mask[i] = 0xFFFFFFFF;
319         }
320         track->is_resolve = false;
321         track->nsamples = 16;
322         track->log_nsamples = 4;
323         track->cb_target_mask = 0xFFFFFFFF;
324         track->cb_shader_mask = 0xFFFFFFFF;
325         track->cb_dirty = true;
326         track->db_bo = NULL;
327         track->db_bo_mc = 0xFFFFFFFF;
328         /* assume the biggest format and that htile is enabled */
329         track->db_depth_info = 7 | (1 << 25);
330         track->db_depth_view = 0xFFFFC000;
331         track->db_depth_size = 0xFFFFFFFF;
332         track->db_depth_size_idx = 0;
333         track->db_depth_control = 0xFFFFFFFF;
334         track->db_dirty = true;
335         track->htile_bo = NULL;
336         track->htile_offset = 0xFFFFFFFF;
337         track->htile_surface = 0;
338
339         for (i = 0; i < 4; i++) {
340                 track->vgt_strmout_size[i] = 0;
341                 track->vgt_strmout_bo[i] = NULL;
342                 track->vgt_strmout_bo_offset[i] = 0xFFFFFFFF;
343                 track->vgt_strmout_bo_mc[i] = 0xFFFFFFFF;
344         }
345         track->streamout_dirty = true;
346         track->sx_misc_kill_all_prims = false;
347 }
348
349 static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
350 {
351         struct r600_cs_track *track = p->track;
352         u32 slice_tile_max, size, tmp;
353         u32 height, height_align, pitch, pitch_align, depth_align;
354         u64 base_offset, base_align;
355         struct array_mode_checker array_check;
356         volatile u32 *ib = p->ib.ptr;
357         unsigned array_mode;
358         u32 format;
359         /* When resolve is used, the second colorbuffer has always 1 sample. */
360         unsigned nsamples = track->is_resolve && i == 1 ? 1 : track->nsamples;
361
362         size = radeon_bo_size(track->cb_color_bo[i]) - track->cb_color_bo_offset[i];
363         format = G_0280A0_FORMAT(track->cb_color_info[i]);
364         if (!r600_fmt_is_valid_color(format)) {
365                 dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n",
366                          __func__, __LINE__, format,
367                         i, track->cb_color_info[i]);
368                 return -EINVAL;
369         }
370         /* pitch in pixels */
371         pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) * 8;
372         slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1;
373         slice_tile_max *= 64;
374         height = slice_tile_max / pitch;
375         if (height > 8192)
376                 height = 8192;
377         array_mode = G_0280A0_ARRAY_MODE(track->cb_color_info[i]);
378
379         base_offset = track->cb_color_bo_mc[i] + track->cb_color_bo_offset[i];
380         array_check.array_mode = array_mode;
381         array_check.group_size = track->group_size;
382         array_check.nbanks = track->nbanks;
383         array_check.npipes = track->npipes;
384         array_check.nsamples = nsamples;
385         array_check.blocksize = r600_fmt_get_blocksize(format);
386         if (r600_get_array_mode_alignment(&array_check,
387                                           &pitch_align, &height_align, &depth_align, &base_align)) {
388                 dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
389                          G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
390                          track->cb_color_info[i]);
391                 return -EINVAL;
392         }
393         switch (array_mode) {
394         case V_0280A0_ARRAY_LINEAR_GENERAL:
395                 break;
396         case V_0280A0_ARRAY_LINEAR_ALIGNED:
397                 break;
398         case V_0280A0_ARRAY_1D_TILED_THIN1:
399                 /* avoid breaking userspace */
400                 if (height > 7)
401                         height &= ~0x7;
402                 break;
403         case V_0280A0_ARRAY_2D_TILED_THIN1:
404                 break;
405         default:
406                 dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
407                         G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
408                         track->cb_color_info[i]);
409                 return -EINVAL;
410         }
411
412         if (!IS_ALIGNED(pitch, pitch_align)) {
413                 dev_warn(p->dev, "%s:%d cb pitch (%d, 0x%x, %d) invalid\n",
414                          __func__, __LINE__, pitch, pitch_align, array_mode);
415                 return -EINVAL;
416         }
417         if (!IS_ALIGNED(height, height_align)) {
418                 dev_warn(p->dev, "%s:%d cb height (%d, 0x%x, %d) invalid\n",
419                          __func__, __LINE__, height, height_align, array_mode);
420                 return -EINVAL;
421         }
422         if (!IS_ALIGNED(base_offset, base_align)) {
423                 dev_warn(p->dev, "%s offset[%d] 0x%llx 0x%llx, %d not aligned\n", __func__, i,
424                          base_offset, base_align, array_mode);
425                 return -EINVAL;
426         }
427
428         /* check offset */
429         tmp = r600_fmt_get_nblocksy(format, height) * r600_fmt_get_nblocksx(format, pitch) *
430               r600_fmt_get_blocksize(format) * nsamples;
431         switch (array_mode) {
432         default:
433         case V_0280A0_ARRAY_LINEAR_GENERAL:
434         case V_0280A0_ARRAY_LINEAR_ALIGNED:
435                 tmp += track->cb_color_view[i] & 0xFF;
436                 break;
437         case V_0280A0_ARRAY_1D_TILED_THIN1:
438         case V_0280A0_ARRAY_2D_TILED_THIN1:
439                 tmp += G_028080_SLICE_MAX(track->cb_color_view[i]) * tmp;
440                 break;
441         }
442         if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) {
443                 if (array_mode == V_0280A0_ARRAY_LINEAR_GENERAL) {
444                         /* the initial DDX does bad things with the CB size occasionally */
445                         /* it rounds up height too far for slice tile max but the BO is smaller */
446                         /* r600c,g also seem to flush at bad times in some apps resulting in
447                          * bogus values here. So for linear just allow anything to avoid breaking
448                          * broken userspace.
449                          */
450                 } else {
451                         dev_warn(p->dev, "%s offset[%d] %d %llu %d %lu too big (%d %d) (%d %d %d)\n",
452                                  __func__, i, array_mode,
453                                  track->cb_color_bo_offset[i], tmp,
454                                  radeon_bo_size(track->cb_color_bo[i]),
455                                  pitch, height, r600_fmt_get_nblocksx(format, pitch),
456                                  r600_fmt_get_nblocksy(format, height),
457                                  r600_fmt_get_blocksize(format));
458                         return -EINVAL;
459                 }
460         }
461         /* limit max tile */
462         tmp = (height * pitch) >> 6;
463         if (tmp < slice_tile_max)
464                 slice_tile_max = tmp;
465         tmp = S_028060_PITCH_TILE_MAX((pitch / 8) - 1) |
466                 S_028060_SLICE_TILE_MAX(slice_tile_max - 1);
467         ib[track->cb_color_size_idx[i]] = tmp;
468
469         /* FMASK/CMASK */
470         switch (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
471         case V_0280A0_TILE_DISABLE:
472                 break;
473         case V_0280A0_FRAG_ENABLE:
474                 if (track->nsamples > 1) {
475                         uint32_t tile_max = G_028100_FMASK_TILE_MAX(track->cb_color_mask[i]);
476                         /* the tile size is 8x8, but the size is in units of bits.
477                          * for bytes, do just * 8. */
478                         uint32_t bytes = track->nsamples * track->log_nsamples * 8 * (tile_max + 1);
479
480                         if (bytes + track->cb_color_frag_offset[i] >
481                             radeon_bo_size(track->cb_color_frag_bo[i])) {
482                                 dev_warn(p->dev, "%s FMASK_TILE_MAX too large "
483                                          "(tile_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n",
484                                          __func__, tile_max, bytes,
485                                          track->cb_color_frag_offset[i],
486                                          radeon_bo_size(track->cb_color_frag_bo[i]));
487                                 return -EINVAL;
488                         }
489                 }
490                 /* fall through */
491         case V_0280A0_CLEAR_ENABLE:
492         {
493                 uint32_t block_max = G_028100_CMASK_BLOCK_MAX(track->cb_color_mask[i]);
494                 /* One block = 128x128 pixels, one 8x8 tile has 4 bits..
495                  * (128*128) / (8*8) / 2 = 128 bytes per block. */
496                 uint32_t bytes = (block_max + 1) * 128;
497
498                 if (bytes + track->cb_color_tile_offset[i] >
499                     radeon_bo_size(track->cb_color_tile_bo[i])) {
500                         dev_warn(p->dev, "%s CMASK_BLOCK_MAX too large "
501                                  "(block_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n",
502                                  __func__, block_max, bytes,
503                                  track->cb_color_tile_offset[i],
504                                  radeon_bo_size(track->cb_color_tile_bo[i]));
505                         return -EINVAL;
506                 }
507                 break;
508         }
509         default:
510                 dev_warn(p->dev, "%s invalid tile mode\n", __func__);
511                 return -EINVAL;
512         }
513         return 0;
514 }
515
516 static int r600_cs_track_validate_db(struct radeon_cs_parser *p)
517 {
518         struct r600_cs_track *track = p->track;
519         u32 nviews, bpe, ntiles, size, slice_tile_max, tmp;
520         u32 height_align, pitch_align, depth_align;
521         u32 pitch = 8192;
522         u32 height = 8192;
523         u64 base_offset, base_align;
524         struct array_mode_checker array_check;
525         int array_mode;
526         volatile u32 *ib = p->ib.ptr;
527
528
529         if (track->db_bo == NULL) {
530                 dev_warn(p->dev, "z/stencil with no depth buffer\n");
531                 return -EINVAL;
532         }
533         switch (G_028010_FORMAT(track->db_depth_info)) {
534         case V_028010_DEPTH_16:
535                 bpe = 2;
536                 break;
537         case V_028010_DEPTH_X8_24:
538         case V_028010_DEPTH_8_24:
539         case V_028010_DEPTH_X8_24_FLOAT:
540         case V_028010_DEPTH_8_24_FLOAT:
541         case V_028010_DEPTH_32_FLOAT:
542                 bpe = 4;
543                 break;
544         case V_028010_DEPTH_X24_8_32_FLOAT:
545                 bpe = 8;
546                 break;
547         default:
548                 dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info));
549                 return -EINVAL;
550         }
551         if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
552                 if (!track->db_depth_size_idx) {
553                         dev_warn(p->dev, "z/stencil buffer size not set\n");
554                         return -EINVAL;
555                 }
556                 tmp = radeon_bo_size(track->db_bo) - track->db_offset;
557                 tmp = (tmp / bpe) >> 6;
558                 if (!tmp) {
559                         dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n",
560                                         track->db_depth_size, bpe, track->db_offset,
561                                         radeon_bo_size(track->db_bo));
562                         return -EINVAL;
563                 }
564                 ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF);
565         } else {
566                 size = radeon_bo_size(track->db_bo);
567                 /* pitch in pixels */
568                 pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8;
569                 slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
570                 slice_tile_max *= 64;
571                 height = slice_tile_max / pitch;
572                 if (height > 8192)
573                         height = 8192;
574                 base_offset = track->db_bo_mc + track->db_offset;
575                 array_mode = G_028010_ARRAY_MODE(track->db_depth_info);
576                 array_check.array_mode = array_mode;
577                 array_check.group_size = track->group_size;
578                 array_check.nbanks = track->nbanks;
579                 array_check.npipes = track->npipes;
580                 array_check.nsamples = track->nsamples;
581                 array_check.blocksize = bpe;
582                 if (r600_get_array_mode_alignment(&array_check,
583                                         &pitch_align, &height_align, &depth_align, &base_align)) {
584                         dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
585                                         G_028010_ARRAY_MODE(track->db_depth_info),
586                                         track->db_depth_info);
587                         return -EINVAL;
588                 }
589                 switch (array_mode) {
590                 case V_028010_ARRAY_1D_TILED_THIN1:
591                         /* don't break userspace */
592                         height &= ~0x7;
593                         break;
594                 case V_028010_ARRAY_2D_TILED_THIN1:
595                         break;
596                 default:
597                         dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
598                                         G_028010_ARRAY_MODE(track->db_depth_info),
599                                         track->db_depth_info);
600                         return -EINVAL;
601                 }
602
603                 if (!IS_ALIGNED(pitch, pitch_align)) {
604                         dev_warn(p->dev, "%s:%d db pitch (%d, 0x%x, %d) invalid\n",
605                                         __func__, __LINE__, pitch, pitch_align, array_mode);
606                         return -EINVAL;
607                 }
608                 if (!IS_ALIGNED(height, height_align)) {
609                         dev_warn(p->dev, "%s:%d db height (%d, 0x%x, %d) invalid\n",
610                                         __func__, __LINE__, height, height_align, array_mode);
611                         return -EINVAL;
612                 }
613                 if (!IS_ALIGNED(base_offset, base_align)) {
614                         dev_warn(p->dev, "%s offset 0x%llx, 0x%llx, %d not aligned\n", __func__,
615                                         base_offset, base_align, array_mode);
616                         return -EINVAL;
617                 }
618
619                 ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
620                 nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1;
621                 tmp = ntiles * bpe * 64 * nviews * track->nsamples;
622                 if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) {
623                         dev_warn(p->dev, "z/stencil buffer (%d) too small (0x%08X %d %d %d -> %u have %lu)\n",
624                                         array_mode,
625                                         track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
626                                         radeon_bo_size(track->db_bo));
627                         return -EINVAL;
628                 }
629         }
630
631         /* hyperz */
632         if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) {
633                 unsigned long size;
634                 unsigned nbx, nby;
635
636                 if (track->htile_bo == NULL) {
637                         dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n",
638                                  __func__, __LINE__, track->db_depth_info);
639                         return -EINVAL;
640                 }
641                 if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
642                         dev_warn(p->dev, "%s:%d htile can't be enabled with bogus db_depth_size 0x%08x\n",
643                                  __func__, __LINE__, track->db_depth_size);
644                         return -EINVAL;
645                 }
646
647                 nbx = pitch;
648                 nby = height;
649                 if (G_028D24_LINEAR(track->htile_surface)) {
650                         /* nbx must be 16 htiles aligned == 16 * 8 pixel aligned */
651                         nbx = round_up(nbx, 16 * 8);
652                         /* nby is npipes htiles aligned == npipes * 8 pixel aligned */
653                         nby = round_up(nby, track->npipes * 8);
654                 } else {
655                         /* always assume 8x8 htile */
656                         /* align is htile align * 8, htile align vary according to
657                          * number of pipe and tile width and nby
658                          */
659                         switch (track->npipes) {
660                         case 8:
661                                 /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
662                                 nbx = round_up(nbx, 64 * 8);
663                                 nby = round_up(nby, 64 * 8);
664                                 break;
665                         case 4:
666                                 /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
667                                 nbx = round_up(nbx, 64 * 8);
668                                 nby = round_up(nby, 32 * 8);
669                                 break;
670                         case 2:
671                                 /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
672                                 nbx = round_up(nbx, 32 * 8);
673                                 nby = round_up(nby, 32 * 8);
674                                 break;
675                         case 1:
676                                 /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
677                                 nbx = round_up(nbx, 32 * 8);
678                                 nby = round_up(nby, 16 * 8);
679                                 break;
680                         default:
681                                 dev_warn(p->dev, "%s:%d invalid num pipes %d\n",
682                                          __func__, __LINE__, track->npipes);
683                                 return -EINVAL;
684                         }
685                 }
686                 /* compute number of htile */
687                 nbx = nbx >> 3;
688                 nby = nby >> 3;
689                 /* size must be aligned on npipes * 2K boundary */
690                 size = roundup(nbx * nby * 4, track->npipes * (2 << 10));
691                 size += track->htile_offset;
692
693                 if (size > radeon_bo_size(track->htile_bo)) {
694                         dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n",
695                                  __func__, __LINE__, radeon_bo_size(track->htile_bo),
696                                  size, nbx, nby);
697                         return -EINVAL;
698                 }
699         }
700
701         track->db_dirty = false;
702         return 0;
703 }
704
705 static int r600_cs_track_check(struct radeon_cs_parser *p)
706 {
707         struct r600_cs_track *track = p->track;
708         u32 tmp;
709         int r, i;
710
711         /* on legacy kernel we don't perform advanced check */
712         if (p->rdev == NULL)
713                 return 0;
714
715         /* check streamout */
716         if (track->streamout_dirty && track->vgt_strmout_en) {
717                 for (i = 0; i < 4; i++) {
718                         if (track->vgt_strmout_buffer_en & (1 << i)) {
719                                 if (track->vgt_strmout_bo[i]) {
720                                         u64 offset = (u64)track->vgt_strmout_bo_offset[i] +
721                                                 (u64)track->vgt_strmout_size[i];
722                                         if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) {
723                                                 DRM_ERROR("streamout %d bo too small: 0x%llx, 0x%lx\n",
724                                                           i, offset,
725                                                           radeon_bo_size(track->vgt_strmout_bo[i]));
726                                                 return -EINVAL;
727                                         }
728                                 } else {
729                                         dev_warn(p->dev, "No buffer for streamout %d\n", i);
730                                         return -EINVAL;
731                                 }
732                         }
733                 }
734                 track->streamout_dirty = false;
735         }
736
737         if (track->sx_misc_kill_all_prims)
738                 return 0;
739
740         /* check that we have a cb for each enabled target, we don't check
741          * shader_mask because it seems mesa isn't always setting it :(
742          */
743         if (track->cb_dirty) {
744                 tmp = track->cb_target_mask;
745
746                 /* We must check both colorbuffers for RESOLVE. */
747                 if (track->is_resolve) {
748                         tmp |= 0xff;
749                 }
750
751                 for (i = 0; i < 8; i++) {
752                         if ((tmp >> (i * 4)) & 0xF) {
753                                 /* at least one component is enabled */
754                                 if (track->cb_color_bo[i] == NULL) {
755                                         dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
756                                                 __func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
757                                         return -EINVAL;
758                                 }
759                                 /* perform rewrite of CB_COLOR[0-7]_SIZE */
760                                 r = r600_cs_track_validate_cb(p, i);
761                                 if (r)
762                                         return r;
763                         }
764                 }
765                 track->cb_dirty = false;
766         }
767
768         /* Check depth buffer */
769         if (track->db_dirty &&
770             G_028010_FORMAT(track->db_depth_info) != V_028010_DEPTH_INVALID &&
771             (G_028800_STENCIL_ENABLE(track->db_depth_control) ||
772              G_028800_Z_ENABLE(track->db_depth_control))) {
773                 r = r600_cs_track_validate_db(p);
774                 if (r)
775                         return r;
776         }
777
778         return 0;
779 }
780
781 /**
782  * r600_cs_packet_parse_vline() - parse userspace VLINE packet
783  * @parser:             parser structure holding parsing context.
784  *
785  * This is an R600-specific function for parsing VLINE packets.
786  * Real work is done by r600_cs_common_vline_parse function.
787  * Here we just set up ASIC-specific register table and call
788  * the common implementation function.
789  */
790 static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p)
791 {
792         static uint32_t vline_start_end[2] = {AVIVO_D1MODE_VLINE_START_END,
793                                               AVIVO_D2MODE_VLINE_START_END};
794         static uint32_t vline_status[2] = {AVIVO_D1MODE_VLINE_STATUS,
795                                            AVIVO_D2MODE_VLINE_STATUS};
796
797         return r600_cs_common_vline_parse(p, vline_start_end, vline_status);
798 }
799
800 /**
801  * r600_cs_common_vline_parse() - common vline parser
802  * @parser:             parser structure holding parsing context.
803  * @vline_start_end:    table of vline_start_end registers
804  * @vline_status:       table of vline_status registers
805  *
806  * Userspace sends a special sequence for VLINE waits.
807  * PACKET0 - VLINE_START_END + value
808  * PACKET3 - WAIT_REG_MEM poll vline status reg
809  * RELOC (P3) - crtc_id in reloc.
810  *
811  * This function parses this and relocates the VLINE START END
812  * and WAIT_REG_MEM packets to the correct crtc.
813  * It also detects a switched off crtc and nulls out the
814  * wait in that case. This function is common for all ASICs that
815  * are R600 and newer. The parsing algorithm is the same, and only
816  * differs in which registers are used.
817  *
818  * Caller is the ASIC-specific function which passes the parser
819  * context and ASIC-specific register table
820  */
821 int r600_cs_common_vline_parse(struct radeon_cs_parser *p,
822                                uint32_t *vline_start_end,
823                                uint32_t *vline_status)
824 {
825         struct drm_mode_object *obj;
826         struct drm_crtc *crtc;
827         struct radeon_crtc *radeon_crtc;
828         struct radeon_cs_packet p3reloc, wait_reg_mem;
829         int crtc_id;
830         int r;
831         uint32_t header, h_idx, reg, wait_reg_mem_info;
832         volatile uint32_t *ib;
833
834         ib = p->ib.ptr;
835
836         /* parse the WAIT_REG_MEM */
837         r = radeon_cs_packet_parse(p, &wait_reg_mem, p->idx);
838         if (r)
839                 return r;
840
841         /* check its a WAIT_REG_MEM */
842         if (wait_reg_mem.type != RADEON_PACKET_TYPE3 ||
843             wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) {
844                 DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n");
845                 return -EINVAL;
846         }
847
848         wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1);
849         /* bit 4 is reg (0) or mem (1) */
850         if (wait_reg_mem_info & 0x10) {
851                 DRM_ERROR("vline WAIT_REG_MEM waiting on MEM instead of REG\n");
852                 return -EINVAL;
853         }
854         /* bit 8 is me (0) or pfp (1) */
855         if (wait_reg_mem_info & 0x100) {
856                 DRM_ERROR("vline WAIT_REG_MEM waiting on PFP instead of ME\n");
857                 return -EINVAL;
858         }
859         /* waiting for value to be equal */
860         if ((wait_reg_mem_info & 0x7) != 0x3) {
861                 DRM_ERROR("vline WAIT_REG_MEM function not equal\n");
862                 return -EINVAL;
863         }
864         if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != vline_status[0]) {
865                 DRM_ERROR("vline WAIT_REG_MEM bad reg\n");
866                 return -EINVAL;
867         }
868
869         if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != RADEON_VLINE_STAT) {
870                 DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n");
871                 return -EINVAL;
872         }
873
874         /* jump over the NOP */
875         r = radeon_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2);
876         if (r)
877                 return r;
878
879         h_idx = p->idx - 2;
880         p->idx += wait_reg_mem.count + 2;
881         p->idx += p3reloc.count + 2;
882
883         header = radeon_get_ib_value(p, h_idx);
884         crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1);
885         reg = R600_CP_PACKET0_GET_REG(header);
886
887         obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
888         if (!obj) {
889                 DRM_ERROR("cannot find crtc %d\n", crtc_id);
890                 return -EINVAL;
891         }
892         crtc = obj_to_crtc(obj);
893         radeon_crtc = to_radeon_crtc(crtc);
894         crtc_id = radeon_crtc->crtc_id;
895
896         if (!crtc->enabled) {
897                 /* CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */
898                 ib[h_idx + 2] = PACKET2(0);
899                 ib[h_idx + 3] = PACKET2(0);
900                 ib[h_idx + 4] = PACKET2(0);
901                 ib[h_idx + 5] = PACKET2(0);
902                 ib[h_idx + 6] = PACKET2(0);
903                 ib[h_idx + 7] = PACKET2(0);
904                 ib[h_idx + 8] = PACKET2(0);
905         } else if (reg == vline_start_end[0]) {
906                 header &= ~R600_CP_PACKET0_REG_MASK;
907                 header |= vline_start_end[crtc_id] >> 2;
908                 ib[h_idx] = header;
909                 ib[h_idx + 4] = vline_status[crtc_id] >> 2;
910         } else {
911                 DRM_ERROR("unknown crtc reloc\n");
912                 return -EINVAL;
913         }
914         return 0;
915 }
916
917 static int r600_packet0_check(struct radeon_cs_parser *p,
918                                 struct radeon_cs_packet *pkt,
919                                 unsigned idx, unsigned reg)
920 {
921         int r;
922
923         switch (reg) {
924         case AVIVO_D1MODE_VLINE_START_END:
925                 r = r600_cs_packet_parse_vline(p);
926                 if (r) {
927                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
928                                         idx, reg);
929                         return r;
930                 }
931                 break;
932         default:
933                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
934                        reg, idx);
935                 return -EINVAL;
936         }
937         return 0;
938 }
939
940 static int r600_cs_parse_packet0(struct radeon_cs_parser *p,
941                                 struct radeon_cs_packet *pkt)
942 {
943         unsigned reg, i;
944         unsigned idx;
945         int r;
946
947         idx = pkt->idx + 1;
948         reg = pkt->reg;
949         for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
950                 r = r600_packet0_check(p, pkt, idx, reg);
951                 if (r) {
952                         return r;
953                 }
954         }
955         return 0;
956 }
957
958 /**
959  * r600_cs_check_reg() - check if register is authorized or not
960  * @parser: parser structure holding parsing context
961  * @reg: register we are testing
962  * @idx: index into the cs buffer
963  *
964  * This function will test against r600_reg_safe_bm and return 0
965  * if register is safe. If register is not flag as safe this function
966  * will test it against a list of register needind special handling.
967  */
968 static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
969 {
970         struct r600_cs_track *track = (struct r600_cs_track *)p->track;
971         struct radeon_cs_reloc *reloc;
972         u32 m, i, tmp, *ib;
973         int r;
974
975         i = (reg >> 7);
976         if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
977                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
978                 return -EINVAL;
979         }
980         m = 1 << ((reg >> 2) & 31);
981         if (!(r600_reg_safe_bm[i] & m))
982                 return 0;
983         ib = p->ib.ptr;
984         switch (reg) {
985         /* force following reg to 0 in an attempt to disable out buffer
986          * which will need us to better understand how it works to perform
987          * security check on it (Jerome)
988          */
989         case R_0288A8_SQ_ESGS_RING_ITEMSIZE:
990         case R_008C44_SQ_ESGS_RING_SIZE:
991         case R_0288B0_SQ_ESTMP_RING_ITEMSIZE:
992         case R_008C54_SQ_ESTMP_RING_SIZE:
993         case R_0288C0_SQ_FBUF_RING_ITEMSIZE:
994         case R_008C74_SQ_FBUF_RING_SIZE:
995         case R_0288B4_SQ_GSTMP_RING_ITEMSIZE:
996         case R_008C5C_SQ_GSTMP_RING_SIZE:
997         case R_0288AC_SQ_GSVS_RING_ITEMSIZE:
998         case R_008C4C_SQ_GSVS_RING_SIZE:
999         case R_0288BC_SQ_PSTMP_RING_ITEMSIZE:
1000         case R_008C6C_SQ_PSTMP_RING_SIZE:
1001         case R_0288C4_SQ_REDUC_RING_ITEMSIZE:
1002         case R_008C7C_SQ_REDUC_RING_SIZE:
1003         case R_0288B8_SQ_VSTMP_RING_ITEMSIZE:
1004         case R_008C64_SQ_VSTMP_RING_SIZE:
1005         case R_0288C8_SQ_GS_VERT_ITEMSIZE:
1006                 /* get value to populate the IB don't remove */
1007                 tmp =radeon_get_ib_value(p, idx);
1008                 ib[idx] = 0;
1009                 break;
1010         case SQ_CONFIG:
1011                 track->sq_config = radeon_get_ib_value(p, idx);
1012                 break;
1013         case R_028800_DB_DEPTH_CONTROL:
1014                 track->db_depth_control = radeon_get_ib_value(p, idx);
1015                 track->db_dirty = true;
1016                 break;
1017         case R_028010_DB_DEPTH_INFO:
1018                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
1019                     radeon_cs_packet_next_is_pkt3_nop(p)) {
1020                         r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1021                         if (r) {
1022                                 dev_warn(p->dev, "bad SET_CONTEXT_REG "
1023                                          "0x%04X\n", reg);
1024                                 return -EINVAL;
1025                         }
1026                         track->db_depth_info = radeon_get_ib_value(p, idx);
1027                         ib[idx] &= C_028010_ARRAY_MODE;
1028                         track->db_depth_info &= C_028010_ARRAY_MODE;
1029                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
1030                                 ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
1031                                 track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
1032                         } else {
1033                                 ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
1034                                 track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
1035                         }
1036                 } else {
1037                         track->db_depth_info = radeon_get_ib_value(p, idx);
1038                 }
1039                 track->db_dirty = true;
1040                 break;
1041         case R_028004_DB_DEPTH_VIEW:
1042                 track->db_depth_view = radeon_get_ib_value(p, idx);
1043                 track->db_dirty = true;
1044                 break;
1045         case R_028000_DB_DEPTH_SIZE:
1046                 track->db_depth_size = radeon_get_ib_value(p, idx);
1047                 track->db_depth_size_idx = idx;
1048                 track->db_dirty = true;
1049                 break;
1050         case R_028AB0_VGT_STRMOUT_EN:
1051                 track->vgt_strmout_en = radeon_get_ib_value(p, idx);
1052                 track->streamout_dirty = true;
1053                 break;
1054         case R_028B20_VGT_STRMOUT_BUFFER_EN:
1055                 track->vgt_strmout_buffer_en = radeon_get_ib_value(p, idx);
1056                 track->streamout_dirty = true;
1057                 break;
1058         case VGT_STRMOUT_BUFFER_BASE_0:
1059         case VGT_STRMOUT_BUFFER_BASE_1:
1060         case VGT_STRMOUT_BUFFER_BASE_2:
1061         case VGT_STRMOUT_BUFFER_BASE_3:
1062                 r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1063                 if (r) {
1064                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1065                                         "0x%04X\n", reg);
1066                         return -EINVAL;
1067                 }
1068                 tmp = (reg - VGT_STRMOUT_BUFFER_BASE_0) / 16;
1069                 track->vgt_strmout_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1070                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1071                 track->vgt_strmout_bo[tmp] = reloc->robj;
1072                 track->vgt_strmout_bo_mc[tmp] = reloc->lobj.gpu_offset;
1073                 track->streamout_dirty = true;
1074                 break;
1075         case VGT_STRMOUT_BUFFER_SIZE_0:
1076         case VGT_STRMOUT_BUFFER_SIZE_1:
1077         case VGT_STRMOUT_BUFFER_SIZE_2:
1078         case VGT_STRMOUT_BUFFER_SIZE_3:
1079                 tmp = (reg - VGT_STRMOUT_BUFFER_SIZE_0) / 16;
1080                 /* size in register is DWs, convert to bytes */
1081                 track->vgt_strmout_size[tmp] = radeon_get_ib_value(p, idx) * 4;
1082                 track->streamout_dirty = true;
1083                 break;
1084         case CP_COHER_BASE:
1085                 r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1086                 if (r) {
1087                         dev_warn(p->dev, "missing reloc for CP_COHER_BASE "
1088                                         "0x%04X\n", reg);
1089                         return -EINVAL;
1090                 }
1091                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1092                 break;
1093         case R_028238_CB_TARGET_MASK:
1094                 track->cb_target_mask = radeon_get_ib_value(p, idx);
1095                 track->cb_dirty = true;
1096                 break;
1097         case R_02823C_CB_SHADER_MASK:
1098                 track->cb_shader_mask = radeon_get_ib_value(p, idx);
1099                 break;
1100         case R_028C04_PA_SC_AA_CONFIG:
1101                 tmp = G_028C04_MSAA_NUM_SAMPLES(radeon_get_ib_value(p, idx));
1102                 track->log_nsamples = tmp;
1103                 track->nsamples = 1 << tmp;
1104                 track->cb_dirty = true;
1105                 break;
1106         case R_028808_CB_COLOR_CONTROL:
1107                 tmp = G_028808_SPECIAL_OP(radeon_get_ib_value(p, idx));
1108                 track->is_resolve = tmp == V_028808_SPECIAL_RESOLVE_BOX;
1109                 track->cb_dirty = true;
1110                 break;
1111         case R_0280A0_CB_COLOR0_INFO:
1112         case R_0280A4_CB_COLOR1_INFO:
1113         case R_0280A8_CB_COLOR2_INFO:
1114         case R_0280AC_CB_COLOR3_INFO:
1115         case R_0280B0_CB_COLOR4_INFO:
1116         case R_0280B4_CB_COLOR5_INFO:
1117         case R_0280B8_CB_COLOR6_INFO:
1118         case R_0280BC_CB_COLOR7_INFO:
1119                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
1120                      radeon_cs_packet_next_is_pkt3_nop(p)) {
1121                         r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1122                         if (r) {
1123                                 dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1124                                 return -EINVAL;
1125                         }
1126                         tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1127                         track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1128                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
1129                                 ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1130                                 track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1131                         } else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
1132                                 ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1133                                 track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1134                         }
1135                 } else {
1136                         tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1137                         track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1138                 }
1139                 track->cb_dirty = true;
1140                 break;
1141         case R_028080_CB_COLOR0_VIEW:
1142         case R_028084_CB_COLOR1_VIEW:
1143         case R_028088_CB_COLOR2_VIEW:
1144         case R_02808C_CB_COLOR3_VIEW:
1145         case R_028090_CB_COLOR4_VIEW:
1146         case R_028094_CB_COLOR5_VIEW:
1147         case R_028098_CB_COLOR6_VIEW:
1148         case R_02809C_CB_COLOR7_VIEW:
1149                 tmp = (reg - R_028080_CB_COLOR0_VIEW) / 4;
1150                 track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
1151                 track->cb_dirty = true;
1152                 break;
1153         case R_028060_CB_COLOR0_SIZE:
1154         case R_028064_CB_COLOR1_SIZE:
1155         case R_028068_CB_COLOR2_SIZE:
1156         case R_02806C_CB_COLOR3_SIZE:
1157         case R_028070_CB_COLOR4_SIZE:
1158         case R_028074_CB_COLOR5_SIZE:
1159         case R_028078_CB_COLOR6_SIZE:
1160         case R_02807C_CB_COLOR7_SIZE:
1161                 tmp = (reg - R_028060_CB_COLOR0_SIZE) / 4;
1162                 track->cb_color_size[tmp] = radeon_get_ib_value(p, idx);
1163                 track->cb_color_size_idx[tmp] = idx;
1164                 track->cb_dirty = true;
1165                 break;
1166                 /* This register were added late, there is userspace
1167                  * which does provide relocation for those but set
1168                  * 0 offset. In order to avoid breaking old userspace
1169                  * we detect this and set address to point to last
1170                  * CB_COLOR0_BASE, note that if userspace doesn't set
1171                  * CB_COLOR0_BASE before this register we will report
1172                  * error. Old userspace always set CB_COLOR0_BASE
1173                  * before any of this.
1174                  */
1175         case R_0280E0_CB_COLOR0_FRAG:
1176         case R_0280E4_CB_COLOR1_FRAG:
1177         case R_0280E8_CB_COLOR2_FRAG:
1178         case R_0280EC_CB_COLOR3_FRAG:
1179         case R_0280F0_CB_COLOR4_FRAG:
1180         case R_0280F4_CB_COLOR5_FRAG:
1181         case R_0280F8_CB_COLOR6_FRAG:
1182         case R_0280FC_CB_COLOR7_FRAG:
1183                 tmp = (reg - R_0280E0_CB_COLOR0_FRAG) / 4;
1184                 if (!radeon_cs_packet_next_is_pkt3_nop(p)) {
1185                         if (!track->cb_color_base_last[tmp]) {
1186                                 dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1187                                 return -EINVAL;
1188                         }
1189                         track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp];
1190                         track->cb_color_frag_offset[tmp] = track->cb_color_bo_offset[tmp];
1191                         ib[idx] = track->cb_color_base_last[tmp];
1192                 } else {
1193                         r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1194                         if (r) {
1195                                 dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1196                                 return -EINVAL;
1197                         }
1198                         track->cb_color_frag_bo[tmp] = reloc->robj;
1199                         track->cb_color_frag_offset[tmp] = (u64)ib[idx] << 8;
1200                         ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1201                 }
1202                 if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1203                         track->cb_dirty = true;
1204                 }
1205                 break;
1206         case R_0280C0_CB_COLOR0_TILE:
1207         case R_0280C4_CB_COLOR1_TILE:
1208         case R_0280C8_CB_COLOR2_TILE:
1209         case R_0280CC_CB_COLOR3_TILE:
1210         case R_0280D0_CB_COLOR4_TILE:
1211         case R_0280D4_CB_COLOR5_TILE:
1212         case R_0280D8_CB_COLOR6_TILE:
1213         case R_0280DC_CB_COLOR7_TILE:
1214                 tmp = (reg - R_0280C0_CB_COLOR0_TILE) / 4;
1215                 if (!radeon_cs_packet_next_is_pkt3_nop(p)) {
1216                         if (!track->cb_color_base_last[tmp]) {
1217                                 dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1218                                 return -EINVAL;
1219                         }
1220                         track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp];
1221                         track->cb_color_tile_offset[tmp] = track->cb_color_bo_offset[tmp];
1222                         ib[idx] = track->cb_color_base_last[tmp];
1223                 } else {
1224                         r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1225                         if (r) {
1226                                 dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1227                                 return -EINVAL;
1228                         }
1229                         track->cb_color_tile_bo[tmp] = reloc->robj;
1230                         track->cb_color_tile_offset[tmp] = (u64)ib[idx] << 8;
1231                         ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1232                 }
1233                 if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1234                         track->cb_dirty = true;
1235                 }
1236                 break;
1237         case R_028100_CB_COLOR0_MASK:
1238         case R_028104_CB_COLOR1_MASK:
1239         case R_028108_CB_COLOR2_MASK:
1240         case R_02810C_CB_COLOR3_MASK:
1241         case R_028110_CB_COLOR4_MASK:
1242         case R_028114_CB_COLOR5_MASK:
1243         case R_028118_CB_COLOR6_MASK:
1244         case R_02811C_CB_COLOR7_MASK:
1245                 tmp = (reg - R_028100_CB_COLOR0_MASK) / 4;
1246                 track->cb_color_mask[tmp] = radeon_get_ib_value(p, idx);
1247                 if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1248                         track->cb_dirty = true;
1249                 }
1250                 break;
1251         case CB_COLOR0_BASE:
1252         case CB_COLOR1_BASE:
1253         case CB_COLOR2_BASE:
1254         case CB_COLOR3_BASE:
1255         case CB_COLOR4_BASE:
1256         case CB_COLOR5_BASE:
1257         case CB_COLOR6_BASE:
1258         case CB_COLOR7_BASE:
1259                 r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1260                 if (r) {
1261                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1262                                         "0x%04X\n", reg);
1263                         return -EINVAL;
1264                 }
1265                 tmp = (reg - CB_COLOR0_BASE) / 4;
1266                 track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1267                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1268                 track->cb_color_base_last[tmp] = ib[idx];
1269                 track->cb_color_bo[tmp] = reloc->robj;
1270                 track->cb_color_bo_mc[tmp] = reloc->lobj.gpu_offset;
1271                 track->cb_dirty = true;
1272                 break;
1273         case DB_DEPTH_BASE:
1274                 r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1275                 if (r) {
1276                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1277                                         "0x%04X\n", reg);
1278                         return -EINVAL;
1279                 }
1280                 track->db_offset = radeon_get_ib_value(p, idx) << 8;
1281                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1282                 track->db_bo = reloc->robj;
1283                 track->db_bo_mc = reloc->lobj.gpu_offset;
1284                 track->db_dirty = true;
1285                 break;
1286         case DB_HTILE_DATA_BASE:
1287                 r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1288                 if (r) {
1289                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1290                                         "0x%04X\n", reg);
1291                         return -EINVAL;
1292                 }
1293                 track->htile_offset = radeon_get_ib_value(p, idx) << 8;
1294                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1295                 track->htile_bo = reloc->robj;
1296                 track->db_dirty = true;
1297                 break;
1298         case DB_HTILE_SURFACE:
1299                 track->htile_surface = radeon_get_ib_value(p, idx);
1300                 /* force 8x8 htile width and height */
1301                 ib[idx] |= 3;
1302                 track->db_dirty = true;
1303                 break;
1304         case SQ_PGM_START_FS:
1305         case SQ_PGM_START_ES:
1306         case SQ_PGM_START_VS:
1307         case SQ_PGM_START_GS:
1308         case SQ_PGM_START_PS:
1309         case SQ_ALU_CONST_CACHE_GS_0:
1310         case SQ_ALU_CONST_CACHE_GS_1:
1311         case SQ_ALU_CONST_CACHE_GS_2:
1312         case SQ_ALU_CONST_CACHE_GS_3:
1313         case SQ_ALU_CONST_CACHE_GS_4:
1314         case SQ_ALU_CONST_CACHE_GS_5:
1315         case SQ_ALU_CONST_CACHE_GS_6:
1316         case SQ_ALU_CONST_CACHE_GS_7:
1317         case SQ_ALU_CONST_CACHE_GS_8:
1318         case SQ_ALU_CONST_CACHE_GS_9:
1319         case SQ_ALU_CONST_CACHE_GS_10:
1320         case SQ_ALU_CONST_CACHE_GS_11:
1321         case SQ_ALU_CONST_CACHE_GS_12:
1322         case SQ_ALU_CONST_CACHE_GS_13:
1323         case SQ_ALU_CONST_CACHE_GS_14:
1324         case SQ_ALU_CONST_CACHE_GS_15:
1325         case SQ_ALU_CONST_CACHE_PS_0:
1326         case SQ_ALU_CONST_CACHE_PS_1:
1327         case SQ_ALU_CONST_CACHE_PS_2:
1328         case SQ_ALU_CONST_CACHE_PS_3:
1329         case SQ_ALU_CONST_CACHE_PS_4:
1330         case SQ_ALU_CONST_CACHE_PS_5:
1331         case SQ_ALU_CONST_CACHE_PS_6:
1332         case SQ_ALU_CONST_CACHE_PS_7:
1333         case SQ_ALU_CONST_CACHE_PS_8:
1334         case SQ_ALU_CONST_CACHE_PS_9:
1335         case SQ_ALU_CONST_CACHE_PS_10:
1336         case SQ_ALU_CONST_CACHE_PS_11:
1337         case SQ_ALU_CONST_CACHE_PS_12:
1338         case SQ_ALU_CONST_CACHE_PS_13:
1339         case SQ_ALU_CONST_CACHE_PS_14:
1340         case SQ_ALU_CONST_CACHE_PS_15:
1341         case SQ_ALU_CONST_CACHE_VS_0:
1342         case SQ_ALU_CONST_CACHE_VS_1:
1343         case SQ_ALU_CONST_CACHE_VS_2:
1344         case SQ_ALU_CONST_CACHE_VS_3:
1345         case SQ_ALU_CONST_CACHE_VS_4:
1346         case SQ_ALU_CONST_CACHE_VS_5:
1347         case SQ_ALU_CONST_CACHE_VS_6:
1348         case SQ_ALU_CONST_CACHE_VS_7:
1349         case SQ_ALU_CONST_CACHE_VS_8:
1350         case SQ_ALU_CONST_CACHE_VS_9:
1351         case SQ_ALU_CONST_CACHE_VS_10:
1352         case SQ_ALU_CONST_CACHE_VS_11:
1353         case SQ_ALU_CONST_CACHE_VS_12:
1354         case SQ_ALU_CONST_CACHE_VS_13:
1355         case SQ_ALU_CONST_CACHE_VS_14:
1356         case SQ_ALU_CONST_CACHE_VS_15:
1357                 r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1358                 if (r) {
1359                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1360                                         "0x%04X\n", reg);
1361                         return -EINVAL;
1362                 }
1363                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1364                 break;
1365         case SX_MEMORY_EXPORT_BASE:
1366                 r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1367                 if (r) {
1368                         dev_warn(p->dev, "bad SET_CONFIG_REG "
1369                                         "0x%04X\n", reg);
1370                         return -EINVAL;
1371                 }
1372                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1373                 break;
1374         case SX_MISC:
1375                 track->sx_misc_kill_all_prims = (radeon_get_ib_value(p, idx) & 0x1) != 0;
1376                 break;
1377         default:
1378                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1379                 return -EINVAL;
1380         }
1381         return 0;
1382 }
1383
1384 unsigned r600_mip_minify(unsigned size, unsigned level)
1385 {
1386         unsigned val;
1387
1388         val = max(1U, size >> level);
1389         if (level > 0)
1390                 val = roundup_pow_of_two(val);
1391         return val;
1392 }
1393
1394 static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned llevel,
1395                               unsigned w0, unsigned h0, unsigned d0, unsigned nsamples, unsigned format,
1396                               unsigned block_align, unsigned height_align, unsigned base_align,
1397                               unsigned *l0_size, unsigned *mipmap_size)
1398 {
1399         unsigned offset, i, level;
1400         unsigned width, height, depth, size;
1401         unsigned blocksize;
1402         unsigned nbx, nby;
1403         unsigned nlevels = llevel - blevel + 1;
1404
1405         *l0_size = -1;
1406         blocksize = r600_fmt_get_blocksize(format);
1407
1408         w0 = r600_mip_minify(w0, 0);
1409         h0 = r600_mip_minify(h0, 0);
1410         d0 = r600_mip_minify(d0, 0);
1411         for(i = 0, offset = 0, level = blevel; i < nlevels; i++, level++) {
1412                 width = r600_mip_minify(w0, i);
1413                 nbx = r600_fmt_get_nblocksx(format, width);
1414
1415                 nbx = round_up(nbx, block_align);
1416
1417                 height = r600_mip_minify(h0, i);
1418                 nby = r600_fmt_get_nblocksy(format, height);
1419                 nby = round_up(nby, height_align);
1420
1421                 depth = r600_mip_minify(d0, i);
1422
1423                 size = nbx * nby * blocksize * nsamples;
1424                 if (nfaces)
1425                         size *= nfaces;
1426                 else
1427                         size *= depth;
1428
1429                 if (i == 0)
1430                         *l0_size = size;
1431
1432                 if (i == 0 || i == 1)
1433                         offset = round_up(offset, base_align);
1434
1435                 offset += size;
1436         }
1437         *mipmap_size = offset;
1438         if (llevel == 0)
1439                 *mipmap_size = *l0_size;
1440         if (!blevel)
1441                 *mipmap_size -= *l0_size;
1442 }
1443
1444 /**
1445  * r600_check_texture_resource() - check if register is authorized or not
1446  * @p: parser structure holding parsing context
1447  * @idx: index into the cs buffer
1448  * @texture: texture's bo structure
1449  * @mipmap: mipmap's bo structure
1450  *
1451  * This function will check that the resource has valid field and that
1452  * the texture and mipmap bo object are big enough to cover this resource.
1453  */
1454 static int r600_check_texture_resource(struct radeon_cs_parser *p,  u32 idx,
1455                                               struct radeon_bo *texture,
1456                                               struct radeon_bo *mipmap,
1457                                               u64 base_offset,
1458                                               u64 mip_offset,
1459                                               u32 tiling_flags)
1460 {
1461         struct r600_cs_track *track = p->track;
1462         u32 dim, nfaces, llevel, blevel, w0, h0, d0;
1463         u32 word0, word1, l0_size, mipmap_size, word2, word3, word4, word5;
1464         u32 height_align, pitch, pitch_align, depth_align;
1465         u32 barray, larray;
1466         u64 base_align;
1467         struct array_mode_checker array_check;
1468         u32 format;
1469         bool is_array;
1470
1471         /* on legacy kernel we don't perform advanced check */
1472         if (p->rdev == NULL)
1473                 return 0;
1474
1475         /* convert to bytes */
1476         base_offset <<= 8;
1477         mip_offset <<= 8;
1478
1479         word0 = radeon_get_ib_value(p, idx + 0);
1480         if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1481                 if (tiling_flags & RADEON_TILING_MACRO)
1482                         word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
1483                 else if (tiling_flags & RADEON_TILING_MICRO)
1484                         word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
1485         }
1486         word1 = radeon_get_ib_value(p, idx + 1);
1487         word2 = radeon_get_ib_value(p, idx + 2) << 8;
1488         word3 = radeon_get_ib_value(p, idx + 3) << 8;
1489         word4 = radeon_get_ib_value(p, idx + 4);
1490         word5 = radeon_get_ib_value(p, idx + 5);
1491         dim = G_038000_DIM(word0);
1492         w0 = G_038000_TEX_WIDTH(word0) + 1;
1493         pitch = (G_038000_PITCH(word0) + 1) * 8;
1494         h0 = G_038004_TEX_HEIGHT(word1) + 1;
1495         d0 = G_038004_TEX_DEPTH(word1);
1496         format = G_038004_DATA_FORMAT(word1);
1497         blevel = G_038010_BASE_LEVEL(word4);
1498         llevel = G_038014_LAST_LEVEL(word5);
1499         /* pitch in texels */
1500         array_check.array_mode = G_038000_TILE_MODE(word0);
1501         array_check.group_size = track->group_size;
1502         array_check.nbanks = track->nbanks;
1503         array_check.npipes = track->npipes;
1504         array_check.nsamples = 1;
1505         array_check.blocksize = r600_fmt_get_blocksize(format);
1506         nfaces = 1;
1507         is_array = false;
1508         switch (dim) {
1509         case V_038000_SQ_TEX_DIM_1D:
1510         case V_038000_SQ_TEX_DIM_2D:
1511         case V_038000_SQ_TEX_DIM_3D:
1512                 break;
1513         case V_038000_SQ_TEX_DIM_CUBEMAP:
1514                 if (p->family >= CHIP_RV770)
1515                         nfaces = 8;
1516                 else
1517                         nfaces = 6;
1518                 break;
1519         case V_038000_SQ_TEX_DIM_1D_ARRAY:
1520         case V_038000_SQ_TEX_DIM_2D_ARRAY:
1521                 is_array = true;
1522                 break;
1523         case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA:
1524                 is_array = true;
1525                 /* fall through */
1526         case V_038000_SQ_TEX_DIM_2D_MSAA:
1527                 array_check.nsamples = 1 << llevel;
1528                 llevel = 0;
1529                 break;
1530         default:
1531                 dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0));
1532                 return -EINVAL;
1533         }
1534         if (!r600_fmt_is_valid_texture(format, p->family)) {
1535                 dev_warn(p->dev, "%s:%d texture invalid format %d\n",
1536                          __func__, __LINE__, format);
1537                 return -EINVAL;
1538         }
1539
1540         if (r600_get_array_mode_alignment(&array_check,
1541                                           &pitch_align, &height_align, &depth_align, &base_align)) {
1542                 dev_warn(p->dev, "%s:%d tex array mode (%d) invalid\n",
1543                          __func__, __LINE__, G_038000_TILE_MODE(word0));
1544                 return -EINVAL;
1545         }
1546
1547         /* XXX check height as well... */
1548
1549         if (!IS_ALIGNED(pitch, pitch_align)) {
1550                 dev_warn(p->dev, "%s:%d tex pitch (%d, 0x%x, %d) invalid\n",
1551                          __func__, __LINE__, pitch, pitch_align, G_038000_TILE_MODE(word0));
1552                 return -EINVAL;
1553         }
1554         if (!IS_ALIGNED(base_offset, base_align)) {
1555                 dev_warn(p->dev, "%s:%d tex base offset (0x%llx, 0x%llx, %d) invalid\n",
1556                          __func__, __LINE__, base_offset, base_align, G_038000_TILE_MODE(word0));
1557                 return -EINVAL;
1558         }
1559         if (!IS_ALIGNED(mip_offset, base_align)) {
1560                 dev_warn(p->dev, "%s:%d tex mip offset (0x%llx, 0x%llx, %d) invalid\n",
1561                          __func__, __LINE__, mip_offset, base_align, G_038000_TILE_MODE(word0));
1562                 return -EINVAL;
1563         }
1564
1565         if (blevel > llevel) {
1566                 dev_warn(p->dev, "texture blevel %d > llevel %d\n",
1567                          blevel, llevel);
1568         }
1569         if (is_array) {
1570                 barray = G_038014_BASE_ARRAY(word5);
1571                 larray = G_038014_LAST_ARRAY(word5);
1572
1573                 nfaces = larray - barray + 1;
1574         }
1575         r600_texture_size(nfaces, blevel, llevel, w0, h0, d0, array_check.nsamples, format,
1576                           pitch_align, height_align, base_align,
1577                           &l0_size, &mipmap_size);
1578         /* using get ib will give us the offset into the texture bo */
1579         if ((l0_size + word2) > radeon_bo_size(texture)) {
1580                 dev_warn(p->dev, "texture bo too small ((%d %d) (%d %d) %d %d %d -> %d have %ld)\n",
1581                          w0, h0, pitch_align, height_align,
1582                          array_check.array_mode, format, word2,
1583                          l0_size, radeon_bo_size(texture));
1584                 dev_warn(p->dev, "alignments %d %d %d %lld\n", pitch, pitch_align, height_align, base_align);
1585                 return -EINVAL;
1586         }
1587         /* using get ib will give us the offset into the mipmap bo */
1588         if ((mipmap_size + word3) > radeon_bo_size(mipmap)) {
1589                 /*dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n",
1590                   w0, h0, format, blevel, nlevels, word3, mipmap_size, radeon_bo_size(texture));*/
1591         }
1592         return 0;
1593 }
1594
1595 static bool r600_is_safe_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1596 {
1597         u32 m, i;
1598
1599         i = (reg >> 7);
1600         if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
1601                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1602                 return false;
1603         }
1604         m = 1 << ((reg >> 2) & 31);
1605         if (!(r600_reg_safe_bm[i] & m))
1606                 return true;
1607         dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1608         return false;
1609 }
1610
1611 static int r600_packet3_check(struct radeon_cs_parser *p,
1612                                 struct radeon_cs_packet *pkt)
1613 {
1614         struct radeon_cs_reloc *reloc;
1615         struct r600_cs_track *track;
1616         volatile u32 *ib;
1617         unsigned idx;
1618         unsigned i;
1619         unsigned start_reg, end_reg, reg;
1620         int r;
1621         u32 idx_value;
1622
1623         track = (struct r600_cs_track *)p->track;
1624         ib = p->ib.ptr;
1625         idx = pkt->idx + 1;
1626         idx_value = radeon_get_ib_value(p, idx);
1627
1628         switch (pkt->opcode) {
1629         case PACKET3_SET_PREDICATION:
1630         {
1631                 int pred_op;
1632                 int tmp;
1633                 uint64_t offset;
1634
1635                 if (pkt->count != 1) {
1636                         DRM_ERROR("bad SET PREDICATION\n");
1637                         return -EINVAL;
1638                 }
1639
1640                 tmp = radeon_get_ib_value(p, idx + 1);
1641                 pred_op = (tmp >> 16) & 0x7;
1642
1643                 /* for the clear predicate operation */
1644                 if (pred_op == 0)
1645                         return 0;
1646
1647                 if (pred_op > 2) {
1648                         DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op);
1649                         return -EINVAL;
1650                 }
1651
1652                 r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1653                 if (r) {
1654                         DRM_ERROR("bad SET PREDICATION\n");
1655                         return -EINVAL;
1656                 }
1657
1658                 offset = reloc->lobj.gpu_offset +
1659                          (idx_value & 0xfffffff0) +
1660                          ((u64)(tmp & 0xff) << 32);
1661
1662                 ib[idx + 0] = offset;
1663                 ib[idx + 1] = (tmp & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1664         }
1665         break;
1666
1667         case PACKET3_START_3D_CMDBUF:
1668                 if (p->family >= CHIP_RV770 || pkt->count) {
1669                         DRM_ERROR("bad START_3D\n");
1670                         return -EINVAL;
1671                 }
1672                 break;
1673         case PACKET3_CONTEXT_CONTROL:
1674                 if (pkt->count != 1) {
1675                         DRM_ERROR("bad CONTEXT_CONTROL\n");
1676                         return -EINVAL;
1677                 }
1678                 break;
1679         case PACKET3_INDEX_TYPE:
1680         case PACKET3_NUM_INSTANCES:
1681                 if (pkt->count) {
1682                         DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES\n");
1683                         return -EINVAL;
1684                 }
1685                 break;
1686         case PACKET3_DRAW_INDEX:
1687         {
1688                 uint64_t offset;
1689                 if (pkt->count != 3) {
1690                         DRM_ERROR("bad DRAW_INDEX\n");
1691                         return -EINVAL;
1692                 }
1693                 r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1694                 if (r) {
1695                         DRM_ERROR("bad DRAW_INDEX\n");
1696                         return -EINVAL;
1697                 }
1698
1699                 offset = reloc->lobj.gpu_offset +
1700                          idx_value +
1701                          ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1702
1703                 ib[idx+0] = offset;
1704                 ib[idx+1] = upper_32_bits(offset) & 0xff;
1705
1706                 r = r600_cs_track_check(p);
1707                 if (r) {
1708                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1709                         return r;
1710                 }
1711                 break;
1712         }
1713         case PACKET3_DRAW_INDEX_AUTO:
1714                 if (pkt->count != 1) {
1715                         DRM_ERROR("bad DRAW_INDEX_AUTO\n");
1716                         return -EINVAL;
1717                 }
1718                 r = r600_cs_track_check(p);
1719                 if (r) {
1720                         dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
1721                         return r;
1722                 }
1723                 break;
1724         case PACKET3_DRAW_INDEX_IMMD_BE:
1725         case PACKET3_DRAW_INDEX_IMMD:
1726                 if (pkt->count < 2) {
1727                         DRM_ERROR("bad DRAW_INDEX_IMMD\n");
1728                         return -EINVAL;
1729                 }
1730                 r = r600_cs_track_check(p);
1731                 if (r) {
1732                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1733                         return r;
1734                 }
1735                 break;
1736         case PACKET3_WAIT_REG_MEM:
1737                 if (pkt->count != 5) {
1738                         DRM_ERROR("bad WAIT_REG_MEM\n");
1739                         return -EINVAL;
1740                 }
1741                 /* bit 4 is reg (0) or mem (1) */
1742                 if (idx_value & 0x10) {
1743                         uint64_t offset;
1744
1745                         r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1746                         if (r) {
1747                                 DRM_ERROR("bad WAIT_REG_MEM\n");
1748                                 return -EINVAL;
1749                         }
1750
1751                         offset = reloc->lobj.gpu_offset +
1752                                  (radeon_get_ib_value(p, idx+1) & 0xfffffff0) +
1753                                  ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1754
1755                         ib[idx+1] = (ib[idx+1] & 0x3) | (offset & 0xfffffff0);
1756                         ib[idx+2] = upper_32_bits(offset) & 0xff;
1757                 } else if (idx_value & 0x100) {
1758                         DRM_ERROR("cannot use PFP on REG wait\n");
1759                         return -EINVAL;
1760                 }
1761                 break;
1762         case PACKET3_CP_DMA:
1763         {
1764                 u32 command, size;
1765                 u64 offset, tmp;
1766                 if (pkt->count != 4) {
1767                         DRM_ERROR("bad CP DMA\n");
1768                         return -EINVAL;
1769                 }
1770                 command = radeon_get_ib_value(p, idx+4);
1771                 size = command & 0x1fffff;
1772                 if (command & PACKET3_CP_DMA_CMD_SAS) {
1773                         /* src address space is register */
1774                         DRM_ERROR("CP DMA SAS not supported\n");
1775                         return -EINVAL;
1776                 } else {
1777                         if (command & PACKET3_CP_DMA_CMD_SAIC) {
1778                                 DRM_ERROR("CP DMA SAIC only supported for registers\n");
1779                                 return -EINVAL;
1780                         }
1781                         /* src address space is memory */
1782                         r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1783                         if (r) {
1784                                 DRM_ERROR("bad CP DMA SRC\n");
1785                                 return -EINVAL;
1786                         }
1787
1788                         tmp = radeon_get_ib_value(p, idx) +
1789                                 ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1790
1791                         offset = reloc->lobj.gpu_offset + tmp;
1792
1793                         if ((tmp + size) > radeon_bo_size(reloc->robj)) {
1794                                 dev_warn(p->dev, "CP DMA src buffer too small (%llu %lu)\n",
1795                                          tmp + size, radeon_bo_size(reloc->robj));
1796                                 return -EINVAL;
1797                         }
1798
1799                         ib[idx] = offset;
1800                         ib[idx+1] = (ib[idx+1] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1801                 }
1802                 if (command & PACKET3_CP_DMA_CMD_DAS) {
1803                         /* dst address space is register */
1804                         DRM_ERROR("CP DMA DAS not supported\n");
1805                         return -EINVAL;
1806                 } else {
1807                         /* dst address space is memory */
1808                         if (command & PACKET3_CP_DMA_CMD_DAIC) {
1809                                 DRM_ERROR("CP DMA DAIC only supported for registers\n");
1810                                 return -EINVAL;
1811                         }
1812                         r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1813                         if (r) {
1814                                 DRM_ERROR("bad CP DMA DST\n");
1815                                 return -EINVAL;
1816                         }
1817
1818                         tmp = radeon_get_ib_value(p, idx+2) +
1819                                 ((u64)(radeon_get_ib_value(p, idx+3) & 0xff) << 32);
1820
1821                         offset = reloc->lobj.gpu_offset + tmp;
1822
1823                         if ((tmp + size) > radeon_bo_size(reloc->robj)) {
1824                                 dev_warn(p->dev, "CP DMA dst buffer too small (%llu %lu)\n",
1825                                          tmp + size, radeon_bo_size(reloc->robj));
1826                                 return -EINVAL;
1827                         }
1828
1829                         ib[idx+2] = offset;
1830                         ib[idx+3] = upper_32_bits(offset) & 0xff;
1831                 }
1832                 break;
1833         }
1834         case PACKET3_SURFACE_SYNC:
1835                 if (pkt->count != 3) {
1836                         DRM_ERROR("bad SURFACE_SYNC\n");
1837                         return -EINVAL;
1838                 }
1839                 /* 0xffffffff/0x0 is flush all cache flag */
1840                 if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
1841                     radeon_get_ib_value(p, idx + 2) != 0) {
1842                         r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1843                         if (r) {
1844                                 DRM_ERROR("bad SURFACE_SYNC\n");
1845                                 return -EINVAL;
1846                         }
1847                         ib[idx+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1848                 }
1849                 break;
1850         case PACKET3_EVENT_WRITE:
1851                 if (pkt->count != 2 && pkt->count != 0) {
1852                         DRM_ERROR("bad EVENT_WRITE\n");
1853                         return -EINVAL;
1854                 }
1855                 if (pkt->count) {
1856                         uint64_t offset;
1857
1858                         r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1859                         if (r) {
1860                                 DRM_ERROR("bad EVENT_WRITE\n");
1861                                 return -EINVAL;
1862                         }
1863                         offset = reloc->lobj.gpu_offset +
1864                                  (radeon_get_ib_value(p, idx+1) & 0xfffffff8) +
1865                                  ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1866
1867                         ib[idx+1] = offset & 0xfffffff8;
1868                         ib[idx+2] = upper_32_bits(offset) & 0xff;
1869                 }
1870                 break;
1871         case PACKET3_EVENT_WRITE_EOP:
1872         {
1873                 uint64_t offset;
1874
1875                 if (pkt->count != 4) {
1876                         DRM_ERROR("bad EVENT_WRITE_EOP\n");
1877                         return -EINVAL;
1878                 }
1879                 r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1880                 if (r) {
1881                         DRM_ERROR("bad EVENT_WRITE\n");
1882                         return -EINVAL;
1883                 }
1884
1885                 offset = reloc->lobj.gpu_offset +
1886                          (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
1887                          ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1888
1889                 ib[idx+1] = offset & 0xfffffffc;
1890                 ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1891                 break;
1892         }
1893         case PACKET3_SET_CONFIG_REG:
1894                 start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_OFFSET;
1895                 end_reg = 4 * pkt->count + start_reg - 4;
1896                 if ((start_reg < PACKET3_SET_CONFIG_REG_OFFSET) ||
1897                     (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
1898                     (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
1899                         DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
1900                         return -EINVAL;
1901                 }
1902                 for (i = 0; i < pkt->count; i++) {
1903                         reg = start_reg + (4 * i);
1904                         r = r600_cs_check_reg(p, reg, idx+1+i);
1905                         if (r)
1906                                 return r;
1907                 }
1908                 break;
1909         case PACKET3_SET_CONTEXT_REG:
1910                 start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_OFFSET;
1911                 end_reg = 4 * pkt->count + start_reg - 4;
1912                 if ((start_reg < PACKET3_SET_CONTEXT_REG_OFFSET) ||
1913                     (start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
1914                     (end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
1915                         DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n");
1916                         return -EINVAL;
1917                 }
1918                 for (i = 0; i < pkt->count; i++) {
1919                         reg = start_reg + (4 * i);
1920                         r = r600_cs_check_reg(p, reg, idx+1+i);
1921                         if (r)
1922                                 return r;
1923                 }
1924                 break;
1925         case PACKET3_SET_RESOURCE:
1926                 if (pkt->count % 7) {
1927                         DRM_ERROR("bad SET_RESOURCE\n");
1928                         return -EINVAL;
1929                 }
1930                 start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_OFFSET;
1931                 end_reg = 4 * pkt->count + start_reg - 4;
1932                 if ((start_reg < PACKET3_SET_RESOURCE_OFFSET) ||
1933                     (start_reg >= PACKET3_SET_RESOURCE_END) ||
1934                     (end_reg >= PACKET3_SET_RESOURCE_END)) {
1935                         DRM_ERROR("bad SET_RESOURCE\n");
1936                         return -EINVAL;
1937                 }
1938                 for (i = 0; i < (pkt->count / 7); i++) {
1939                         struct radeon_bo *texture, *mipmap;
1940                         u32 size, offset, base_offset, mip_offset;
1941
1942                         switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) {
1943                         case SQ_TEX_VTX_VALID_TEXTURE:
1944                                 /* tex base */
1945                                 r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1946                                 if (r) {
1947                                         DRM_ERROR("bad SET_RESOURCE\n");
1948                                         return -EINVAL;
1949                                 }
1950                                 base_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1951                                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1952                                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1953                                                 ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
1954                                         else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1955                                                 ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
1956                                 }
1957                                 texture = reloc->robj;
1958                                 /* tex mip base */
1959                                 r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1960                                 if (r) {
1961                                         DRM_ERROR("bad SET_RESOURCE\n");
1962                                         return -EINVAL;
1963                                 }
1964                                 mip_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1965                                 mipmap = reloc->robj;
1966                                 r = r600_check_texture_resource(p,  idx+(i*7)+1,
1967                                                                 texture, mipmap,
1968                                                                 base_offset + radeon_get_ib_value(p, idx+1+(i*7)+2),
1969                                                                 mip_offset + radeon_get_ib_value(p, idx+1+(i*7)+3),
1970                                                                 reloc->lobj.tiling_flags);
1971                                 if (r)
1972                                         return r;
1973                                 ib[idx+1+(i*7)+2] += base_offset;
1974                                 ib[idx+1+(i*7)+3] += mip_offset;
1975                                 break;
1976                         case SQ_TEX_VTX_VALID_BUFFER:
1977                         {
1978                                 uint64_t offset64;
1979                                 /* vtx base */
1980                                 r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1981                                 if (r) {
1982                                         DRM_ERROR("bad SET_RESOURCE\n");
1983                                         return -EINVAL;
1984                                 }
1985                                 offset = radeon_get_ib_value(p, idx+1+(i*7)+0);
1986                                 size = radeon_get_ib_value(p, idx+1+(i*7)+1) + 1;
1987                                 if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
1988                                         /* force size to size of the buffer */
1989                                         dev_warn(p->dev, "vbo resource seems too big (%d) for the bo (%ld)\n",
1990                                                  size + offset, radeon_bo_size(reloc->robj));
1991                                         ib[idx+1+(i*7)+1] = radeon_bo_size(reloc->robj) - offset;
1992                                 }
1993
1994                                 offset64 = reloc->lobj.gpu_offset + offset;
1995                                 ib[idx+1+(i*8)+0] = offset64;
1996                                 ib[idx+1+(i*8)+2] = (ib[idx+1+(i*8)+2] & 0xffffff00) |
1997                                                     (upper_32_bits(offset64) & 0xff);
1998                                 break;
1999                         }
2000                         case SQ_TEX_VTX_INVALID_TEXTURE:
2001                         case SQ_TEX_VTX_INVALID_BUFFER:
2002                         default:
2003                                 DRM_ERROR("bad SET_RESOURCE\n");
2004                                 return -EINVAL;
2005                         }
2006                 }
2007                 break;
2008         case PACKET3_SET_ALU_CONST:
2009                 if (track->sq_config & DX9_CONSTS) {
2010                         start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET;
2011                         end_reg = 4 * pkt->count + start_reg - 4;
2012                         if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) ||
2013                             (start_reg >= PACKET3_SET_ALU_CONST_END) ||
2014                             (end_reg >= PACKET3_SET_ALU_CONST_END)) {
2015                                 DRM_ERROR("bad SET_ALU_CONST\n");
2016                                 return -EINVAL;
2017                         }
2018                 }
2019                 break;
2020         case PACKET3_SET_BOOL_CONST:
2021                 start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_OFFSET;
2022                 end_reg = 4 * pkt->count + start_reg - 4;
2023                 if ((start_reg < PACKET3_SET_BOOL_CONST_OFFSET) ||
2024                     (start_reg >= PACKET3_SET_BOOL_CONST_END) ||
2025                     (end_reg >= PACKET3_SET_BOOL_CONST_END)) {
2026                         DRM_ERROR("bad SET_BOOL_CONST\n");
2027                         return -EINVAL;
2028                 }
2029                 break;
2030         case PACKET3_SET_LOOP_CONST:
2031                 start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_OFFSET;
2032                 end_reg = 4 * pkt->count + start_reg - 4;
2033                 if ((start_reg < PACKET3_SET_LOOP_CONST_OFFSET) ||
2034                     (start_reg >= PACKET3_SET_LOOP_CONST_END) ||
2035                     (end_reg >= PACKET3_SET_LOOP_CONST_END)) {
2036                         DRM_ERROR("bad SET_LOOP_CONST\n");
2037                         return -EINVAL;
2038                 }
2039                 break;
2040         case PACKET3_SET_CTL_CONST:
2041                 start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_OFFSET;
2042                 end_reg = 4 * pkt->count + start_reg - 4;
2043                 if ((start_reg < PACKET3_SET_CTL_CONST_OFFSET) ||
2044                     (start_reg >= PACKET3_SET_CTL_CONST_END) ||
2045                     (end_reg >= PACKET3_SET_CTL_CONST_END)) {
2046                         DRM_ERROR("bad SET_CTL_CONST\n");
2047                         return -EINVAL;
2048                 }
2049                 break;
2050         case PACKET3_SET_SAMPLER:
2051                 if (pkt->count % 3) {
2052                         DRM_ERROR("bad SET_SAMPLER\n");
2053                         return -EINVAL;
2054                 }
2055                 start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_OFFSET;
2056                 end_reg = 4 * pkt->count + start_reg - 4;
2057                 if ((start_reg < PACKET3_SET_SAMPLER_OFFSET) ||
2058                     (start_reg >= PACKET3_SET_SAMPLER_END) ||
2059                     (end_reg >= PACKET3_SET_SAMPLER_END)) {
2060                         DRM_ERROR("bad SET_SAMPLER\n");
2061                         return -EINVAL;
2062                 }
2063                 break;
2064         case PACKET3_STRMOUT_BASE_UPDATE:
2065                 /* RS780 and RS880 also need this */
2066                 if (p->family < CHIP_RS780) {
2067                         DRM_ERROR("STRMOUT_BASE_UPDATE only supported on 7xx\n");
2068                         return -EINVAL;
2069                 }
2070                 if (pkt->count != 1) {
2071                         DRM_ERROR("bad STRMOUT_BASE_UPDATE packet count\n");
2072                         return -EINVAL;
2073                 }
2074                 if (idx_value > 3) {
2075                         DRM_ERROR("bad STRMOUT_BASE_UPDATE index\n");
2076                         return -EINVAL;
2077                 }
2078                 {
2079                         u64 offset;
2080
2081                         r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2082                         if (r) {
2083                                 DRM_ERROR("bad STRMOUT_BASE_UPDATE reloc\n");
2084                                 return -EINVAL;
2085                         }
2086
2087                         if (reloc->robj != track->vgt_strmout_bo[idx_value]) {
2088                                 DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo does not match\n");
2089                                 return -EINVAL;
2090                         }
2091
2092                         offset = radeon_get_ib_value(p, idx+1) << 8;
2093                         if (offset != track->vgt_strmout_bo_offset[idx_value]) {
2094                                 DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo offset does not match: 0x%llx, 0x%x\n",
2095                                           offset, track->vgt_strmout_bo_offset[idx_value]);
2096                                 return -EINVAL;
2097                         }
2098
2099                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2100                                 DRM_ERROR("bad STRMOUT_BASE_UPDATE bo too small: 0x%llx, 0x%lx\n",
2101                                           offset + 4, radeon_bo_size(reloc->robj));
2102                                 return -EINVAL;
2103                         }
2104                         ib[idx+1] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2105                 }
2106                 break;
2107         case PACKET3_SURFACE_BASE_UPDATE:
2108                 if (p->family >= CHIP_RV770 || p->family == CHIP_R600) {
2109                         DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
2110                         return -EINVAL;
2111                 }
2112                 if (pkt->count) {
2113                         DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
2114                         return -EINVAL;
2115                 }
2116                 break;
2117         case PACKET3_STRMOUT_BUFFER_UPDATE:
2118                 if (pkt->count != 4) {
2119                         DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (invalid count)\n");
2120                         return -EINVAL;
2121                 }
2122                 /* Updating memory at DST_ADDRESS. */
2123                 if (idx_value & 0x1) {
2124                         u64 offset;
2125                         r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2126                         if (r) {
2127                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing dst reloc)\n");
2128                                 return -EINVAL;
2129                         }
2130                         offset = radeon_get_ib_value(p, idx+1);
2131                         offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2132                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2133                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE dst bo too small: 0x%llx, 0x%lx\n",
2134                                           offset + 4, radeon_bo_size(reloc->robj));
2135                                 return -EINVAL;
2136                         }
2137                         offset += reloc->lobj.gpu_offset;
2138                         ib[idx+1] = offset;
2139                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2140                 }
2141                 /* Reading data from SRC_ADDRESS. */
2142                 if (((idx_value >> 1) & 0x3) == 2) {
2143                         u64 offset;
2144                         r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2145                         if (r) {
2146                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing src reloc)\n");
2147                                 return -EINVAL;
2148                         }
2149                         offset = radeon_get_ib_value(p, idx+3);
2150                         offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2151                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2152                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE src bo too small: 0x%llx, 0x%lx\n",
2153                                           offset + 4, radeon_bo_size(reloc->robj));
2154                                 return -EINVAL;
2155                         }
2156                         offset += reloc->lobj.gpu_offset;
2157                         ib[idx+3] = offset;
2158                         ib[idx+4] = upper_32_bits(offset) & 0xff;
2159                 }
2160                 break;
2161         case PACKET3_MEM_WRITE:
2162         {
2163                 u64 offset;
2164
2165                 if (pkt->count != 3) {
2166                         DRM_ERROR("bad MEM_WRITE (invalid count)\n");
2167                         return -EINVAL;
2168                 }
2169                 r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2170                 if (r) {
2171                         DRM_ERROR("bad MEM_WRITE (missing reloc)\n");
2172                         return -EINVAL;
2173                 }
2174                 offset = radeon_get_ib_value(p, idx+0);
2175                 offset += ((u64)(radeon_get_ib_value(p, idx+1) & 0xff)) << 32UL;
2176                 if (offset & 0x7) {
2177                         DRM_ERROR("bad MEM_WRITE (address not qwords aligned)\n");
2178                         return -EINVAL;
2179                 }
2180                 if ((offset + 8) > radeon_bo_size(reloc->robj)) {
2181                         DRM_ERROR("bad MEM_WRITE bo too small: 0x%llx, 0x%lx\n",
2182                                   offset + 8, radeon_bo_size(reloc->robj));
2183                         return -EINVAL;
2184                 }
2185                 offset += reloc->lobj.gpu_offset;
2186                 ib[idx+0] = offset;
2187                 ib[idx+1] = upper_32_bits(offset) & 0xff;
2188                 break;
2189         }
2190         case PACKET3_COPY_DW:
2191                 if (pkt->count != 4) {
2192                         DRM_ERROR("bad COPY_DW (invalid count)\n");
2193                         return -EINVAL;
2194                 }
2195                 if (idx_value & 0x1) {
2196                         u64 offset;
2197                         /* SRC is memory. */
2198                         r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2199                         if (r) {
2200                                 DRM_ERROR("bad COPY_DW (missing src reloc)\n");
2201                                 return -EINVAL;
2202                         }
2203                         offset = radeon_get_ib_value(p, idx+1);
2204                         offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2205                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2206                                 DRM_ERROR("bad COPY_DW src bo too small: 0x%llx, 0x%lx\n",
2207                                           offset + 4, radeon_bo_size(reloc->robj));
2208                                 return -EINVAL;
2209                         }
2210                         offset += reloc->lobj.gpu_offset;
2211                         ib[idx+1] = offset;
2212                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2213                 } else {
2214                         /* SRC is a reg. */
2215                         reg = radeon_get_ib_value(p, idx+1) << 2;
2216                         if (!r600_is_safe_reg(p, reg, idx+1))
2217                                 return -EINVAL;
2218                 }
2219                 if (idx_value & 0x2) {
2220                         u64 offset;
2221                         /* DST is memory. */
2222                         r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2223                         if (r) {
2224                                 DRM_ERROR("bad COPY_DW (missing dst reloc)\n");
2225                                 return -EINVAL;
2226                         }
2227                         offset = radeon_get_ib_value(p, idx+3);
2228                         offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2229                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2230                                 DRM_ERROR("bad COPY_DW dst bo too small: 0x%llx, 0x%lx\n",
2231                                           offset + 4, radeon_bo_size(reloc->robj));
2232                                 return -EINVAL;
2233                         }
2234                         offset += reloc->lobj.gpu_offset;
2235                         ib[idx+3] = offset;
2236                         ib[idx+4] = upper_32_bits(offset) & 0xff;
2237                 } else {
2238                         /* DST is a reg. */
2239                         reg = radeon_get_ib_value(p, idx+3) << 2;
2240                         if (!r600_is_safe_reg(p, reg, idx+3))
2241                                 return -EINVAL;
2242                 }
2243                 break;
2244         case PACKET3_NOP:
2245                 break;
2246         default:
2247                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2248                 return -EINVAL;
2249         }
2250         return 0;
2251 }
2252
2253 int r600_cs_parse(struct radeon_cs_parser *p)
2254 {
2255         struct radeon_cs_packet pkt;
2256         struct r600_cs_track *track;
2257         int r;
2258
2259         if (p->track == NULL) {
2260                 /* initialize tracker, we are in kms */
2261                 track = kzalloc(sizeof(*track), GFP_KERNEL);
2262                 if (track == NULL)
2263                         return -ENOMEM;
2264                 r600_cs_track_init(track);
2265                 if (p->rdev->family < CHIP_RV770) {
2266                         track->npipes = p->rdev->config.r600.tiling_npipes;
2267                         track->nbanks = p->rdev->config.r600.tiling_nbanks;
2268                         track->group_size = p->rdev->config.r600.tiling_group_size;
2269                 } else if (p->rdev->family <= CHIP_RV740) {
2270                         track->npipes = p->rdev->config.rv770.tiling_npipes;
2271                         track->nbanks = p->rdev->config.rv770.tiling_nbanks;
2272                         track->group_size = p->rdev->config.rv770.tiling_group_size;
2273                 }
2274                 p->track = track;
2275         }
2276         do {
2277                 r = radeon_cs_packet_parse(p, &pkt, p->idx);
2278                 if (r) {
2279                         kfree(p->track);
2280                         p->track = NULL;
2281                         return r;
2282                 }
2283                 p->idx += pkt.count + 2;
2284                 switch (pkt.type) {
2285                 case RADEON_PACKET_TYPE0:
2286                         r = r600_cs_parse_packet0(p, &pkt);
2287                         break;
2288                 case RADEON_PACKET_TYPE2:
2289                         break;
2290                 case RADEON_PACKET_TYPE3:
2291                         r = r600_packet3_check(p, &pkt);
2292                         break;
2293                 default:
2294                         DRM_ERROR("Unknown packet type %d !\n", pkt.type);
2295                         kfree(p->track);
2296                         p->track = NULL;
2297                         return -EINVAL;
2298                 }
2299                 if (r) {
2300                         kfree(p->track);
2301                         p->track = NULL;
2302                         return r;
2303                 }
2304         } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
2305 #if 0
2306         for (r = 0; r < p->ib.length_dw; r++) {
2307                 printk(KERN_INFO "%05d  0x%08X\n", r, p->ib.ptr[r]);
2308                 mdelay(1);
2309         }
2310 #endif
2311         kfree(p->track);
2312         p->track = NULL;
2313         return 0;
2314 }
2315
2316 #ifdef CONFIG_DRM_RADEON_UMS
2317
2318 /**
2319  * cs_parser_fini() - clean parser states
2320  * @parser:     parser structure holding parsing context.
2321  * @error:      error number
2322  *
2323  * If error is set than unvalidate buffer, otherwise just free memory
2324  * used by parsing context.
2325  **/
2326 static void r600_cs_parser_fini(struct radeon_cs_parser *parser, int error)
2327 {
2328         unsigned i;
2329
2330         kfree(parser->relocs);
2331         for (i = 0; i < parser->nchunks; i++) {
2332                 kfree(parser->chunks[i].kdata);
2333                 if (parser->rdev && (parser->rdev->flags & RADEON_IS_AGP)) {
2334                         kfree(parser->chunks[i].kpage[0]);
2335                         kfree(parser->chunks[i].kpage[1]);
2336                 }
2337         }
2338         kfree(parser->chunks);
2339         kfree(parser->chunks_array);
2340 }
2341
2342 static int r600_cs_parser_relocs_legacy(struct radeon_cs_parser *p)
2343 {
2344         if (p->chunk_relocs_idx == -1) {
2345                 return 0;
2346         }
2347         p->relocs = kzalloc(sizeof(struct radeon_cs_reloc), GFP_KERNEL);
2348         if (p->relocs == NULL) {
2349                 return -ENOMEM;
2350         }
2351         return 0;
2352 }
2353
2354 int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp,
2355                         unsigned family, u32 *ib, int *l)
2356 {
2357         struct radeon_cs_parser parser;
2358         struct radeon_cs_chunk *ib_chunk;
2359         struct r600_cs_track *track;
2360         int r;
2361
2362         /* initialize tracker */
2363         track = kzalloc(sizeof(*track), GFP_KERNEL);
2364         if (track == NULL)
2365                 return -ENOMEM;
2366         r600_cs_track_init(track);
2367         r600_cs_legacy_get_tiling_conf(dev, &track->npipes, &track->nbanks, &track->group_size);
2368         /* initialize parser */
2369         memset(&parser, 0, sizeof(struct radeon_cs_parser));
2370         parser.filp = filp;
2371         parser.dev = &dev->pdev->dev;
2372         parser.rdev = NULL;
2373         parser.family = family;
2374         parser.track = track;
2375         parser.ib.ptr = ib;
2376         r = radeon_cs_parser_init(&parser, data);
2377         if (r) {
2378                 DRM_ERROR("Failed to initialize parser !\n");
2379                 r600_cs_parser_fini(&parser, r);
2380                 return r;
2381         }
2382         r = r600_cs_parser_relocs_legacy(&parser);
2383         if (r) {
2384                 DRM_ERROR("Failed to parse relocation !\n");
2385                 r600_cs_parser_fini(&parser, r);
2386                 return r;
2387         }
2388         /* Copy the packet into the IB, the parser will read from the
2389          * input memory (cached) and write to the IB (which can be
2390          * uncached). */
2391         ib_chunk = &parser.chunks[parser.chunk_ib_idx];
2392         parser.ib.length_dw = ib_chunk->length_dw;
2393         *l = parser.ib.length_dw;
2394         r = r600_cs_parse(&parser);
2395         if (r) {
2396                 DRM_ERROR("Invalid command stream !\n");
2397                 r600_cs_parser_fini(&parser, r);
2398                 return r;
2399         }
2400         r = radeon_cs_finish_pages(&parser);
2401         if (r) {
2402                 DRM_ERROR("Invalid command stream !\n");
2403                 r600_cs_parser_fini(&parser, r);
2404                 return r;
2405         }
2406         r600_cs_parser_fini(&parser, r);
2407         return r;
2408 }
2409
2410 void r600_cs_legacy_init(void)
2411 {
2412         r600_nomm = 1;
2413 }
2414
2415 #endif
2416
2417 /*
2418  *  DMA
2419  */
2420 /**
2421  * r600_dma_cs_next_reloc() - parse next reloc
2422  * @p:          parser structure holding parsing context.
2423  * @cs_reloc:           reloc informations
2424  *
2425  * Return the next reloc, do bo validation and compute
2426  * GPU offset using the provided start.
2427  **/
2428 int r600_dma_cs_next_reloc(struct radeon_cs_parser *p,
2429                            struct radeon_cs_reloc **cs_reloc)
2430 {
2431         struct radeon_cs_chunk *relocs_chunk;
2432         unsigned idx;
2433
2434         *cs_reloc = NULL;
2435         if (p->chunk_relocs_idx == -1) {
2436                 DRM_ERROR("No relocation chunk !\n");
2437                 return -EINVAL;
2438         }
2439         relocs_chunk = &p->chunks[p->chunk_relocs_idx];
2440         idx = p->dma_reloc_idx;
2441         if (idx >= p->nrelocs) {
2442                 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
2443                           idx, p->nrelocs);
2444                 return -EINVAL;
2445         }
2446         *cs_reloc = p->relocs_ptr[idx];
2447         p->dma_reloc_idx++;
2448         return 0;
2449 }
2450
2451 #define GET_DMA_CMD(h) (((h) & 0xf0000000) >> 28)
2452 #define GET_DMA_COUNT(h) ((h) & 0x0000ffff)
2453 #define GET_DMA_T(h) (((h) & 0x00800000) >> 23)
2454
2455 /**
2456  * r600_dma_cs_parse() - parse the DMA IB
2457  * @p:          parser structure holding parsing context.
2458  *
2459  * Parses the DMA IB from the CS ioctl and updates
2460  * the GPU addresses based on the reloc information and
2461  * checks for errors. (R6xx-R7xx)
2462  * Returns 0 for success and an error on failure.
2463  **/
2464 int r600_dma_cs_parse(struct radeon_cs_parser *p)
2465 {
2466         struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
2467         struct radeon_cs_reloc *src_reloc, *dst_reloc;
2468         u32 header, cmd, count, tiled;
2469         volatile u32 *ib = p->ib.ptr;
2470         u32 idx, idx_value;
2471         u64 src_offset, dst_offset;
2472         int r;
2473
2474         do {
2475                 if (p->idx >= ib_chunk->length_dw) {
2476                         DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
2477                                   p->idx, ib_chunk->length_dw);
2478                         return -EINVAL;
2479                 }
2480                 idx = p->idx;
2481                 header = radeon_get_ib_value(p, idx);
2482                 cmd = GET_DMA_CMD(header);
2483                 count = GET_DMA_COUNT(header);
2484                 tiled = GET_DMA_T(header);
2485
2486                 switch (cmd) {
2487                 case DMA_PACKET_WRITE:
2488                         r = r600_dma_cs_next_reloc(p, &dst_reloc);
2489                         if (r) {
2490                                 DRM_ERROR("bad DMA_PACKET_WRITE\n");
2491                                 return -EINVAL;
2492                         }
2493                         if (tiled) {
2494                                 dst_offset = radeon_get_ib_value(p, idx+1);
2495                                 dst_offset <<= 8;
2496
2497                                 ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8);
2498                                 p->idx += count + 5;
2499                         } else {
2500                                 dst_offset = radeon_get_ib_value(p, idx+1);
2501                                 dst_offset |= ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2502
2503                                 ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2504                                 ib[idx+2] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
2505                                 p->idx += count + 3;
2506                         }
2507                         if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2508                                 dev_warn(p->dev, "DMA write buffer too small (%llu %lu)\n",
2509                                          dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2510                                 return -EINVAL;
2511                         }
2512                         break;
2513                 case DMA_PACKET_COPY:
2514                         r = r600_dma_cs_next_reloc(p, &src_reloc);
2515                         if (r) {
2516                                 DRM_ERROR("bad DMA_PACKET_COPY\n");
2517                                 return -EINVAL;
2518                         }
2519                         r = r600_dma_cs_next_reloc(p, &dst_reloc);
2520                         if (r) {
2521                                 DRM_ERROR("bad DMA_PACKET_COPY\n");
2522                                 return -EINVAL;
2523                         }
2524                         if (tiled) {
2525                                 idx_value = radeon_get_ib_value(p, idx + 2);
2526                                 /* detile bit */
2527                                 if (idx_value & (1 << 31)) {
2528                                         /* tiled src, linear dst */
2529                                         src_offset = radeon_get_ib_value(p, idx+1);
2530                                         src_offset <<= 8;
2531                                         ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8);
2532
2533                                         dst_offset = radeon_get_ib_value(p, idx+5);
2534                                         dst_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
2535                                         ib[idx+5] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2536                                         ib[idx+6] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
2537                                 } else {
2538                                         /* linear src, tiled dst */
2539                                         src_offset = radeon_get_ib_value(p, idx+5);
2540                                         src_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
2541                                         ib[idx+5] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
2542                                         ib[idx+6] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
2543
2544                                         dst_offset = radeon_get_ib_value(p, idx+1);
2545                                         dst_offset <<= 8;
2546                                         ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8);
2547                                 }
2548                                 p->idx += 7;
2549                         } else {
2550                                 if (p->family >= CHIP_RV770) {
2551                                         src_offset = radeon_get_ib_value(p, idx+2);
2552                                         src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2553                                         dst_offset = radeon_get_ib_value(p, idx+1);
2554                                         dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
2555
2556                                         ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2557                                         ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
2558                                         ib[idx+3] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
2559                                         ib[idx+4] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
2560                                         p->idx += 5;
2561                                 } else {
2562                                         src_offset = radeon_get_ib_value(p, idx+2);
2563                                         src_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
2564                                         dst_offset = radeon_get_ib_value(p, idx+1);
2565                                         dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff0000)) << 16;
2566
2567                                         ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2568                                         ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
2569                                         ib[idx+3] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
2570                                         ib[idx+3] += (upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff) << 16;
2571                                         p->idx += 4;
2572                                 }
2573                         }
2574                         if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
2575                                 dev_warn(p->dev, "DMA copy src buffer too small (%llu %lu)\n",
2576                                          src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
2577                                 return -EINVAL;
2578                         }
2579                         if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2580                                 dev_warn(p->dev, "DMA write dst buffer too small (%llu %lu)\n",
2581                                          dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2582                                 return -EINVAL;
2583                         }
2584                         break;
2585                 case DMA_PACKET_CONSTANT_FILL:
2586                         if (p->family < CHIP_RV770) {
2587                                 DRM_ERROR("Constant Fill is 7xx only !\n");
2588                                 return -EINVAL;
2589                         }
2590                         r = r600_dma_cs_next_reloc(p, &dst_reloc);
2591                         if (r) {
2592                                 DRM_ERROR("bad DMA_PACKET_WRITE\n");
2593                                 return -EINVAL;
2594                         }
2595                         dst_offset = radeon_get_ib_value(p, idx+1);
2596                         dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0x00ff0000)) << 16;
2597                         if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2598                                 dev_warn(p->dev, "DMA constant fill buffer too small (%llu %lu)\n",
2599                                          dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2600                                 return -EINVAL;
2601                         }
2602                         ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2603                         ib[idx+3] += (upper_32_bits(dst_reloc->lobj.gpu_offset) << 16) & 0x00ff0000;
2604                         p->idx += 4;
2605                         break;
2606                 case DMA_PACKET_NOP:
2607                         p->idx += 1;
2608                         break;
2609                 default:
2610                         DRM_ERROR("Unknown packet type %d at %d !\n", cmd, idx);
2611                         return -EINVAL;
2612                 }
2613         } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
2614 #if 0
2615         for (r = 0; r < p->ib->length_dw; r++) {
2616                 printk(KERN_INFO "%05d  0x%08X\n", r, p->ib.ptr[r]);
2617                 mdelay(1);
2618         }
2619 #endif
2620         return 0;
2621 }