cgroup: superblock can't be released with active dentries
[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / radeon / r200.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 "drmP.h"
29 #include "drm.h"
30 #include "radeon_drm.h"
31 #include "radeon_reg.h"
32 #include "radeon.h"
33 #include "radeon_asic.h"
34
35 #include "r100d.h"
36 #include "r200_reg_safe.h"
37
38 #include "r100_track.h"
39
40 static int r200_get_vtx_size_0(uint32_t vtx_fmt_0)
41 {
42         int vtx_size, i;
43         vtx_size = 2;
44
45         if (vtx_fmt_0 & R200_VTX_Z0)
46                 vtx_size++;
47         if (vtx_fmt_0 & R200_VTX_W0)
48                 vtx_size++;
49         /* blend weight */
50         if (vtx_fmt_0 & (0x7 << R200_VTX_WEIGHT_COUNT_SHIFT))
51                 vtx_size += (vtx_fmt_0 >> R200_VTX_WEIGHT_COUNT_SHIFT) & 0x7;
52         if (vtx_fmt_0 & R200_VTX_PV_MATRIX_SEL)
53                 vtx_size++;
54         if (vtx_fmt_0 & R200_VTX_N0)
55                 vtx_size += 3;
56         if (vtx_fmt_0 & R200_VTX_POINT_SIZE)
57                 vtx_size++;
58         if (vtx_fmt_0 & R200_VTX_DISCRETE_FOG)
59                 vtx_size++;
60         if (vtx_fmt_0 & R200_VTX_SHININESS_0)
61                 vtx_size++;
62         if (vtx_fmt_0 & R200_VTX_SHININESS_1)
63                 vtx_size++;
64         for (i = 0; i < 8; i++) {
65                 int color_size = (vtx_fmt_0 >> (11 + 2*i)) & 0x3;
66                 switch (color_size) {
67                 case 0: break;
68                 case 1: vtx_size++; break;
69                 case 2: vtx_size += 3; break;
70                 case 3: vtx_size += 4; break;
71                 }
72         }
73         if (vtx_fmt_0 & R200_VTX_XY1)
74                 vtx_size += 2;
75         if (vtx_fmt_0 & R200_VTX_Z1)
76                 vtx_size++;
77         if (vtx_fmt_0 & R200_VTX_W1)
78                 vtx_size++;
79         if (vtx_fmt_0 & R200_VTX_N1)
80                 vtx_size += 3;
81         return vtx_size;
82 }
83
84 int r200_copy_dma(struct radeon_device *rdev,
85                   uint64_t src_offset,
86                   uint64_t dst_offset,
87                   unsigned num_gpu_pages,
88                   struct radeon_fence *fence)
89 {
90         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
91         uint32_t size;
92         uint32_t cur_size;
93         int i, num_loops;
94         int r = 0;
95
96         /* radeon pitch is /64 */
97         size = num_gpu_pages << RADEON_GPU_PAGE_SHIFT;
98         num_loops = DIV_ROUND_UP(size, 0x1FFFFF);
99         r = radeon_ring_lock(rdev, ring, num_loops * 4 + 64);
100         if (r) {
101                 DRM_ERROR("radeon: moving bo (%d).\n", r);
102                 return r;
103         }
104         /* Must wait for 2D idle & clean before DMA or hangs might happen */
105         radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
106         radeon_ring_write(ring, (1 << 16));
107         for (i = 0; i < num_loops; i++) {
108                 cur_size = size;
109                 if (cur_size > 0x1FFFFF) {
110                         cur_size = 0x1FFFFF;
111                 }
112                 size -= cur_size;
113                 radeon_ring_write(ring, PACKET0(0x720, 2));
114                 radeon_ring_write(ring, src_offset);
115                 radeon_ring_write(ring, dst_offset);
116                 radeon_ring_write(ring, cur_size | (1 << 31) | (1 << 30));
117                 src_offset += cur_size;
118                 dst_offset += cur_size;
119         }
120         radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
121         radeon_ring_write(ring, RADEON_WAIT_DMA_GUI_IDLE);
122         if (fence) {
123                 r = radeon_fence_emit(rdev, fence);
124         }
125         radeon_ring_unlock_commit(rdev, ring);
126         return r;
127 }
128
129
130 static int r200_get_vtx_size_1(uint32_t vtx_fmt_1)
131 {
132         int vtx_size, i, tex_size;
133         vtx_size = 0;
134         for (i = 0; i < 6; i++) {
135                 tex_size = (vtx_fmt_1 >> (i * 3)) & 0x7;
136                 if (tex_size > 4)
137                         continue;
138                 vtx_size += tex_size;
139         }
140         return vtx_size;
141 }
142
143 int r200_packet0_check(struct radeon_cs_parser *p,
144                        struct radeon_cs_packet *pkt,
145                        unsigned idx, unsigned reg)
146 {
147         struct radeon_cs_reloc *reloc;
148         struct r100_cs_track *track;
149         volatile uint32_t *ib;
150         uint32_t tmp;
151         int r;
152         int i;
153         int face;
154         u32 tile_flags = 0;
155         u32 idx_value;
156
157         ib = p->ib->ptr;
158         track = (struct r100_cs_track *)p->track;
159         idx_value = radeon_get_ib_value(p, idx);
160         switch (reg) {
161         case RADEON_CRTC_GUI_TRIG_VLINE:
162                 r = r100_cs_packet_parse_vline(p);
163                 if (r) {
164                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
165                                   idx, reg);
166                         r100_cs_dump_packet(p, pkt);
167                         return r;
168                 }
169                 break;
170                 /* FIXME: only allow PACKET3 blit? easier to check for out of
171                  * range access */
172         case RADEON_DST_PITCH_OFFSET:
173         case RADEON_SRC_PITCH_OFFSET:
174                 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
175                 if (r)
176                         return r;
177                 break;
178         case RADEON_RB3D_DEPTHOFFSET:
179                 r = r100_cs_packet_next_reloc(p, &reloc);
180                 if (r) {
181                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
182                                   idx, reg);
183                         r100_cs_dump_packet(p, pkt);
184                         return r;
185                 }
186                 track->zb.robj = reloc->robj;
187                 track->zb.offset = idx_value;
188                 track->zb_dirty = true;
189                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
190                 break;
191         case RADEON_RB3D_COLOROFFSET:
192                 r = r100_cs_packet_next_reloc(p, &reloc);
193                 if (r) {
194                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
195                                   idx, reg);
196                         r100_cs_dump_packet(p, pkt);
197                         return r;
198                 }
199                 track->cb[0].robj = reloc->robj;
200                 track->cb[0].offset = idx_value;
201                 track->cb_dirty = true;
202                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
203                 break;
204         case R200_PP_TXOFFSET_0:
205         case R200_PP_TXOFFSET_1:
206         case R200_PP_TXOFFSET_2:
207         case R200_PP_TXOFFSET_3:
208         case R200_PP_TXOFFSET_4:
209         case R200_PP_TXOFFSET_5:
210                 i = (reg - R200_PP_TXOFFSET_0) / 24;
211                 r = r100_cs_packet_next_reloc(p, &reloc);
212                 if (r) {
213                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
214                                   idx, reg);
215                         r100_cs_dump_packet(p, pkt);
216                         return r;
217                 }
218                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
219                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
220                                 tile_flags |= R200_TXO_MACRO_TILE;
221                         if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
222                                 tile_flags |= R200_TXO_MICRO_TILE;
223
224                         tmp = idx_value & ~(0x7 << 2);
225                         tmp |= tile_flags;
226                         ib[idx] = tmp + ((u32)reloc->lobj.gpu_offset);
227                 } else
228                         ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
229                 track->textures[i].robj = reloc->robj;
230                 track->tex_dirty = true;
231                 break;
232         case R200_PP_CUBIC_OFFSET_F1_0:
233         case R200_PP_CUBIC_OFFSET_F2_0:
234         case R200_PP_CUBIC_OFFSET_F3_0:
235         case R200_PP_CUBIC_OFFSET_F4_0:
236         case R200_PP_CUBIC_OFFSET_F5_0:
237         case R200_PP_CUBIC_OFFSET_F1_1:
238         case R200_PP_CUBIC_OFFSET_F2_1:
239         case R200_PP_CUBIC_OFFSET_F3_1:
240         case R200_PP_CUBIC_OFFSET_F4_1:
241         case R200_PP_CUBIC_OFFSET_F5_1:
242         case R200_PP_CUBIC_OFFSET_F1_2:
243         case R200_PP_CUBIC_OFFSET_F2_2:
244         case R200_PP_CUBIC_OFFSET_F3_2:
245         case R200_PP_CUBIC_OFFSET_F4_2:
246         case R200_PP_CUBIC_OFFSET_F5_2:
247         case R200_PP_CUBIC_OFFSET_F1_3:
248         case R200_PP_CUBIC_OFFSET_F2_3:
249         case R200_PP_CUBIC_OFFSET_F3_3:
250         case R200_PP_CUBIC_OFFSET_F4_3:
251         case R200_PP_CUBIC_OFFSET_F5_3:
252         case R200_PP_CUBIC_OFFSET_F1_4:
253         case R200_PP_CUBIC_OFFSET_F2_4:
254         case R200_PP_CUBIC_OFFSET_F3_4:
255         case R200_PP_CUBIC_OFFSET_F4_4:
256         case R200_PP_CUBIC_OFFSET_F5_4:
257         case R200_PP_CUBIC_OFFSET_F1_5:
258         case R200_PP_CUBIC_OFFSET_F2_5:
259         case R200_PP_CUBIC_OFFSET_F3_5:
260         case R200_PP_CUBIC_OFFSET_F4_5:
261         case R200_PP_CUBIC_OFFSET_F5_5:
262                 i = (reg - R200_PP_TXOFFSET_0) / 24;
263                 face = (reg - ((i * 24) + R200_PP_TXOFFSET_0)) / 4;
264                 r = r100_cs_packet_next_reloc(p, &reloc);
265                 if (r) {
266                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
267                                   idx, reg);
268                         r100_cs_dump_packet(p, pkt);
269                         return r;
270                 }
271                 track->textures[i].cube_info[face - 1].offset = idx_value;
272                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
273                 track->textures[i].cube_info[face - 1].robj = reloc->robj;
274                 track->tex_dirty = true;
275                 break;
276         case RADEON_RE_WIDTH_HEIGHT:
277                 track->maxy = ((idx_value >> 16) & 0x7FF);
278                 track->cb_dirty = true;
279                 track->zb_dirty = true;
280                 break;
281         case RADEON_RB3D_COLORPITCH:
282                 r = r100_cs_packet_next_reloc(p, &reloc);
283                 if (r) {
284                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
285                                   idx, reg);
286                         r100_cs_dump_packet(p, pkt);
287                         return r;
288                 }
289
290                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
291                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
292                                 tile_flags |= RADEON_COLOR_TILE_ENABLE;
293                         if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
294                                 tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
295
296                         tmp = idx_value & ~(0x7 << 16);
297                         tmp |= tile_flags;
298                         ib[idx] = tmp;
299                 } else
300                         ib[idx] = idx_value;
301
302                 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
303                 track->cb_dirty = true;
304                 break;
305         case RADEON_RB3D_DEPTHPITCH:
306                 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
307                 track->zb_dirty = true;
308                 break;
309         case RADEON_RB3D_CNTL:
310                 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
311                 case 7:
312                 case 8:
313                 case 9:
314                 case 11:
315                 case 12:
316                         track->cb[0].cpp = 1;
317                         break;
318                 case 3:
319                 case 4:
320                 case 15:
321                         track->cb[0].cpp = 2;
322                         break;
323                 case 6:
324                         track->cb[0].cpp = 4;
325                         break;
326                 default:
327                         DRM_ERROR("Invalid color buffer format (%d) !\n",
328                                   ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
329                         return -EINVAL;
330                 }
331                 if (idx_value & RADEON_DEPTHXY_OFFSET_ENABLE) {
332                         DRM_ERROR("No support for depth xy offset in kms\n");
333                         return -EINVAL;
334                 }
335
336                 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
337                 track->cb_dirty = true;
338                 track->zb_dirty = true;
339                 break;
340         case RADEON_RB3D_ZSTENCILCNTL:
341                 switch (idx_value & 0xf) {
342                 case 0:
343                         track->zb.cpp = 2;
344                         break;
345                 case 2:
346                 case 3:
347                 case 4:
348                 case 5:
349                 case 9:
350                 case 11:
351                         track->zb.cpp = 4;
352                         break;
353                 default:
354                         break;
355                 }
356                 track->zb_dirty = true;
357                 break;
358         case RADEON_RB3D_ZPASS_ADDR:
359                 r = r100_cs_packet_next_reloc(p, &reloc);
360                 if (r) {
361                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
362                                   idx, reg);
363                         r100_cs_dump_packet(p, pkt);
364                         return r;
365                 }
366                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
367                 break;
368         case RADEON_PP_CNTL:
369                 {
370                         uint32_t temp = idx_value >> 4;
371                         for (i = 0; i < track->num_texture; i++)
372                                 track->textures[i].enabled = !!(temp & (1 << i));
373                         track->tex_dirty = true;
374                 }
375                 break;
376         case RADEON_SE_VF_CNTL:
377                 track->vap_vf_cntl = idx_value;
378                 break;
379         case 0x210c:
380                 /* VAP_VF_MAX_VTX_INDX */
381                 track->max_indx = idx_value & 0x00FFFFFFUL;
382                 break;
383         case R200_SE_VTX_FMT_0:
384                 track->vtx_size = r200_get_vtx_size_0(idx_value);
385                 break;
386         case R200_SE_VTX_FMT_1:
387                 track->vtx_size += r200_get_vtx_size_1(idx_value);
388                 break;
389         case R200_PP_TXSIZE_0:
390         case R200_PP_TXSIZE_1:
391         case R200_PP_TXSIZE_2:
392         case R200_PP_TXSIZE_3:
393         case R200_PP_TXSIZE_4:
394         case R200_PP_TXSIZE_5:
395                 i = (reg - R200_PP_TXSIZE_0) / 32;
396                 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
397                 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
398                 track->tex_dirty = true;
399                 break;
400         case R200_PP_TXPITCH_0:
401         case R200_PP_TXPITCH_1:
402         case R200_PP_TXPITCH_2:
403         case R200_PP_TXPITCH_3:
404         case R200_PP_TXPITCH_4:
405         case R200_PP_TXPITCH_5:
406                 i = (reg - R200_PP_TXPITCH_0) / 32;
407                 track->textures[i].pitch = idx_value + 32;
408                 track->tex_dirty = true;
409                 break;
410         case R200_PP_TXFILTER_0:
411         case R200_PP_TXFILTER_1:
412         case R200_PP_TXFILTER_2:
413         case R200_PP_TXFILTER_3:
414         case R200_PP_TXFILTER_4:
415         case R200_PP_TXFILTER_5:
416                 i = (reg - R200_PP_TXFILTER_0) / 32;
417                 track->textures[i].num_levels = ((idx_value & R200_MAX_MIP_LEVEL_MASK)
418                                                  >> R200_MAX_MIP_LEVEL_SHIFT);
419                 tmp = (idx_value >> 23) & 0x7;
420                 if (tmp == 2 || tmp == 6)
421                         track->textures[i].roundup_w = false;
422                 tmp = (idx_value >> 27) & 0x7;
423                 if (tmp == 2 || tmp == 6)
424                         track->textures[i].roundup_h = false;
425                 track->tex_dirty = true;
426                 break;
427         case R200_PP_TXMULTI_CTL_0:
428         case R200_PP_TXMULTI_CTL_1:
429         case R200_PP_TXMULTI_CTL_2:
430         case R200_PP_TXMULTI_CTL_3:
431         case R200_PP_TXMULTI_CTL_4:
432         case R200_PP_TXMULTI_CTL_5:
433                 i = (reg - R200_PP_TXMULTI_CTL_0) / 32;
434                 break;
435         case R200_PP_TXFORMAT_X_0:
436         case R200_PP_TXFORMAT_X_1:
437         case R200_PP_TXFORMAT_X_2:
438         case R200_PP_TXFORMAT_X_3:
439         case R200_PP_TXFORMAT_X_4:
440         case R200_PP_TXFORMAT_X_5:
441                 i = (reg - R200_PP_TXFORMAT_X_0) / 32;
442                 track->textures[i].txdepth = idx_value & 0x7;
443                 tmp = (idx_value >> 16) & 0x3;
444                 /* 2D, 3D, CUBE */
445                 switch (tmp) {
446                 case 0:
447                 case 3:
448                 case 4:
449                 case 5:
450                 case 6:
451                 case 7:
452                         /* 1D/2D */
453                         track->textures[i].tex_coord_type = 0;
454                         break;
455                 case 1:
456                         /* CUBE */
457                         track->textures[i].tex_coord_type = 2;
458                         break;
459                 case 2:
460                         /* 3D */
461                         track->textures[i].tex_coord_type = 1;
462                         break;
463                 }
464                 track->tex_dirty = true;
465                 break;
466         case R200_PP_TXFORMAT_0:
467         case R200_PP_TXFORMAT_1:
468         case R200_PP_TXFORMAT_2:
469         case R200_PP_TXFORMAT_3:
470         case R200_PP_TXFORMAT_4:
471         case R200_PP_TXFORMAT_5:
472                 i = (reg - R200_PP_TXFORMAT_0) / 32;
473                 if (idx_value & R200_TXFORMAT_NON_POWER2) {
474                         track->textures[i].use_pitch = 1;
475                 } else {
476                         track->textures[i].use_pitch = 0;
477                         track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
478                         track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
479                 }
480                 if (idx_value & R200_TXFORMAT_LOOKUP_DISABLE)
481                         track->textures[i].lookup_disable = true;
482                 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
483                 case R200_TXFORMAT_I8:
484                 case R200_TXFORMAT_RGB332:
485                 case R200_TXFORMAT_Y8:
486                         track->textures[i].cpp = 1;
487                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
488                         break;
489                 case R200_TXFORMAT_AI88:
490                 case R200_TXFORMAT_ARGB1555:
491                 case R200_TXFORMAT_RGB565:
492                 case R200_TXFORMAT_ARGB4444:
493                 case R200_TXFORMAT_VYUY422:
494                 case R200_TXFORMAT_YVYU422:
495                 case R200_TXFORMAT_LDVDU655:
496                 case R200_TXFORMAT_DVDU88:
497                 case R200_TXFORMAT_AVYU4444:
498                         track->textures[i].cpp = 2;
499                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
500                         break;
501                 case R200_TXFORMAT_ARGB8888:
502                 case R200_TXFORMAT_RGBA8888:
503                 case R200_TXFORMAT_ABGR8888:
504                 case R200_TXFORMAT_BGR111110:
505                 case R200_TXFORMAT_LDVDU8888:
506                         track->textures[i].cpp = 4;
507                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
508                         break;
509                 case R200_TXFORMAT_DXT1:
510                         track->textures[i].cpp = 1;
511                         track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
512                         break;
513                 case R200_TXFORMAT_DXT23:
514                 case R200_TXFORMAT_DXT45:
515                         track->textures[i].cpp = 1;
516                         track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
517                         break;
518                 }
519                 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
520                 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
521                 track->tex_dirty = true;
522                 break;
523         case R200_PP_CUBIC_FACES_0:
524         case R200_PP_CUBIC_FACES_1:
525         case R200_PP_CUBIC_FACES_2:
526         case R200_PP_CUBIC_FACES_3:
527         case R200_PP_CUBIC_FACES_4:
528         case R200_PP_CUBIC_FACES_5:
529                 tmp = idx_value;
530                 i = (reg - R200_PP_CUBIC_FACES_0) / 32;
531                 for (face = 0; face < 4; face++) {
532                         track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
533                         track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
534                 }
535                 track->tex_dirty = true;
536                 break;
537         default:
538                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
539                        reg, idx);
540                 return -EINVAL;
541         }
542         return 0;
543 }
544
545 void r200_set_safe_registers(struct radeon_device *rdev)
546 {
547         rdev->config.r100.reg_safe_bm = r200_reg_safe_bm;
548         rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r200_reg_safe_bm);
549 }