xref: /linux/drivers/gpu/drm/radeon/r200.c (revision 24168c5e6dfbdd5b414f048f47f75d64533296ca)
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 
29 #include <drm/radeon_drm.h>
30 #include "radeon_reg.h"
31 #include "radeon.h"
32 #include "radeon_asic.h"
33 
34 #include "r100d.h"
35 #include "r200_reg_safe.h"
36 
37 #include "r100_track.h"
38 
39 static int r200_get_vtx_size_0(uint32_t vtx_fmt_0)
40 {
41 	int vtx_size, i;
42 	vtx_size = 2;
43 
44 	if (vtx_fmt_0 & R200_VTX_Z0)
45 		vtx_size++;
46 	if (vtx_fmt_0 & R200_VTX_W0)
47 		vtx_size++;
48 	/* blend weight */
49 	if (vtx_fmt_0 & (0x7 << R200_VTX_WEIGHT_COUNT_SHIFT))
50 		vtx_size += (vtx_fmt_0 >> R200_VTX_WEIGHT_COUNT_SHIFT) & 0x7;
51 	if (vtx_fmt_0 & R200_VTX_PV_MATRIX_SEL)
52 		vtx_size++;
53 	if (vtx_fmt_0 & R200_VTX_N0)
54 		vtx_size += 3;
55 	if (vtx_fmt_0 & R200_VTX_POINT_SIZE)
56 		vtx_size++;
57 	if (vtx_fmt_0 & R200_VTX_DISCRETE_FOG)
58 		vtx_size++;
59 	if (vtx_fmt_0 & R200_VTX_SHININESS_0)
60 		vtx_size++;
61 	if (vtx_fmt_0 & R200_VTX_SHININESS_1)
62 		vtx_size++;
63 	for (i = 0; i < 8; i++) {
64 		int color_size = (vtx_fmt_0 >> (11 + 2*i)) & 0x3;
65 		switch (color_size) {
66 		case 0: break;
67 		case 1: vtx_size++; break;
68 		case 2: vtx_size += 3; break;
69 		case 3: vtx_size += 4; break;
70 		}
71 	}
72 	if (vtx_fmt_0 & R200_VTX_XY1)
73 		vtx_size += 2;
74 	if (vtx_fmt_0 & R200_VTX_Z1)
75 		vtx_size++;
76 	if (vtx_fmt_0 & R200_VTX_W1)
77 		vtx_size++;
78 	if (vtx_fmt_0 & R200_VTX_N1)
79 		vtx_size += 3;
80 	return vtx_size;
81 }
82 
83 struct radeon_fence *r200_copy_dma(struct radeon_device *rdev,
84 				   uint64_t src_offset,
85 				   uint64_t dst_offset,
86 				   unsigned num_gpu_pages,
87 				   struct dma_resv *resv)
88 {
89 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
90 	struct radeon_fence *fence;
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 ERR_PTR(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 	r = radeon_fence_emit(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
123 	if (r) {
124 		radeon_ring_unlock_undo(rdev, ring);
125 		return ERR_PTR(r);
126 	}
127 	radeon_ring_unlock_commit(rdev, ring, false);
128 	return fence;
129 }
130 
131 
132 static int r200_get_vtx_size_1(uint32_t vtx_fmt_1)
133 {
134 	int vtx_size, i, tex_size;
135 	vtx_size = 0;
136 	for (i = 0; i < 6; i++) {
137 		tex_size = (vtx_fmt_1 >> (i * 3)) & 0x7;
138 		if (tex_size > 4)
139 			continue;
140 		vtx_size += tex_size;
141 	}
142 	return vtx_size;
143 }
144 
145 int r200_packet0_check(struct radeon_cs_parser *p,
146 		       struct radeon_cs_packet *pkt,
147 		       unsigned idx, unsigned reg)
148 {
149 	struct radeon_bo_list *reloc;
150 	struct r100_cs_track *track;
151 	volatile uint32_t *ib;
152 	uint32_t tmp;
153 	int r;
154 	int i;
155 	int face;
156 	u32 tile_flags = 0;
157 	u32 idx_value;
158 
159 	ib = p->ib.ptr;
160 	track = (struct r100_cs_track *)p->track;
161 	idx_value = radeon_get_ib_value(p, idx);
162 	switch (reg) {
163 	case RADEON_CRTC_GUI_TRIG_VLINE:
164 		r = r100_cs_packet_parse_vline(p);
165 		if (r) {
166 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
167 				  idx, reg);
168 			radeon_cs_dump_packet(p, pkt);
169 			return r;
170 		}
171 		break;
172 		/* FIXME: only allow PACKET3 blit? easier to check for out of
173 		 * range access */
174 	case RADEON_DST_PITCH_OFFSET:
175 	case RADEON_SRC_PITCH_OFFSET:
176 		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
177 		if (r)
178 			return r;
179 		break;
180 	case RADEON_RB3D_DEPTHOFFSET:
181 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
182 		if (r) {
183 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
184 				  idx, reg);
185 			radeon_cs_dump_packet(p, pkt);
186 			return r;
187 		}
188 		track->zb.robj = reloc->robj;
189 		track->zb.offset = idx_value;
190 		track->zb_dirty = true;
191 		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
192 		break;
193 	case RADEON_RB3D_COLOROFFSET:
194 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
195 		if (r) {
196 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
197 				  idx, reg);
198 			radeon_cs_dump_packet(p, pkt);
199 			return r;
200 		}
201 		track->cb[0].robj = reloc->robj;
202 		track->cb[0].offset = idx_value;
203 		track->cb_dirty = true;
204 		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
205 		break;
206 	case R200_PP_TXOFFSET_0:
207 	case R200_PP_TXOFFSET_1:
208 	case R200_PP_TXOFFSET_2:
209 	case R200_PP_TXOFFSET_3:
210 	case R200_PP_TXOFFSET_4:
211 	case R200_PP_TXOFFSET_5:
212 		i = (reg - R200_PP_TXOFFSET_0) / 24;
213 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
214 		if (r) {
215 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
216 				  idx, reg);
217 			radeon_cs_dump_packet(p, pkt);
218 			return r;
219 		}
220 		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
221 			if (reloc->tiling_flags & RADEON_TILING_MACRO)
222 				tile_flags |= R200_TXO_MACRO_TILE;
223 			if (reloc->tiling_flags & RADEON_TILING_MICRO)
224 				tile_flags |= R200_TXO_MICRO_TILE;
225 
226 			tmp = idx_value & ~(0x7 << 2);
227 			tmp |= tile_flags;
228 			ib[idx] = tmp + ((u32)reloc->gpu_offset);
229 		} else
230 			ib[idx] = idx_value + ((u32)reloc->gpu_offset);
231 		track->textures[i].robj = reloc->robj;
232 		track->tex_dirty = true;
233 		break;
234 	case R200_PP_CUBIC_OFFSET_F1_0:
235 	case R200_PP_CUBIC_OFFSET_F2_0:
236 	case R200_PP_CUBIC_OFFSET_F3_0:
237 	case R200_PP_CUBIC_OFFSET_F4_0:
238 	case R200_PP_CUBIC_OFFSET_F5_0:
239 	case R200_PP_CUBIC_OFFSET_F1_1:
240 	case R200_PP_CUBIC_OFFSET_F2_1:
241 	case R200_PP_CUBIC_OFFSET_F3_1:
242 	case R200_PP_CUBIC_OFFSET_F4_1:
243 	case R200_PP_CUBIC_OFFSET_F5_1:
244 	case R200_PP_CUBIC_OFFSET_F1_2:
245 	case R200_PP_CUBIC_OFFSET_F2_2:
246 	case R200_PP_CUBIC_OFFSET_F3_2:
247 	case R200_PP_CUBIC_OFFSET_F4_2:
248 	case R200_PP_CUBIC_OFFSET_F5_2:
249 	case R200_PP_CUBIC_OFFSET_F1_3:
250 	case R200_PP_CUBIC_OFFSET_F2_3:
251 	case R200_PP_CUBIC_OFFSET_F3_3:
252 	case R200_PP_CUBIC_OFFSET_F4_3:
253 	case R200_PP_CUBIC_OFFSET_F5_3:
254 	case R200_PP_CUBIC_OFFSET_F1_4:
255 	case R200_PP_CUBIC_OFFSET_F2_4:
256 	case R200_PP_CUBIC_OFFSET_F3_4:
257 	case R200_PP_CUBIC_OFFSET_F4_4:
258 	case R200_PP_CUBIC_OFFSET_F5_4:
259 	case R200_PP_CUBIC_OFFSET_F1_5:
260 	case R200_PP_CUBIC_OFFSET_F2_5:
261 	case R200_PP_CUBIC_OFFSET_F3_5:
262 	case R200_PP_CUBIC_OFFSET_F4_5:
263 	case R200_PP_CUBIC_OFFSET_F5_5:
264 		i = (reg - R200_PP_TXOFFSET_0) / 24;
265 		face = (reg - ((i * 24) + R200_PP_TXOFFSET_0)) / 4;
266 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
267 		if (r) {
268 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
269 				  idx, reg);
270 			radeon_cs_dump_packet(p, pkt);
271 			return r;
272 		}
273 		track->textures[i].cube_info[face - 1].offset = idx_value;
274 		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
275 		track->textures[i].cube_info[face - 1].robj = reloc->robj;
276 		track->tex_dirty = true;
277 		break;
278 	case RADEON_RE_WIDTH_HEIGHT:
279 		track->maxy = ((idx_value >> 16) & 0x7FF);
280 		track->cb_dirty = true;
281 		track->zb_dirty = true;
282 		break;
283 	case RADEON_RB3D_COLORPITCH:
284 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
285 		if (r) {
286 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
287 				  idx, reg);
288 			radeon_cs_dump_packet(p, pkt);
289 			return r;
290 		}
291 
292 		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
293 			if (reloc->tiling_flags & RADEON_TILING_MACRO)
294 				tile_flags |= RADEON_COLOR_TILE_ENABLE;
295 			if (reloc->tiling_flags & RADEON_TILING_MICRO)
296 				tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
297 
298 			tmp = idx_value & ~(0x7 << 16);
299 			tmp |= tile_flags;
300 			ib[idx] = tmp;
301 		} else
302 			ib[idx] = idx_value;
303 
304 		track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
305 		track->cb_dirty = true;
306 		break;
307 	case RADEON_RB3D_DEPTHPITCH:
308 		track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
309 		track->zb_dirty = true;
310 		break;
311 	case RADEON_RB3D_CNTL:
312 		switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
313 		case 7:
314 		case 8:
315 		case 9:
316 		case 11:
317 		case 12:
318 			track->cb[0].cpp = 1;
319 			break;
320 		case 3:
321 		case 4:
322 		case 15:
323 			track->cb[0].cpp = 2;
324 			break;
325 		case 6:
326 			track->cb[0].cpp = 4;
327 			break;
328 		default:
329 			DRM_ERROR("Invalid color buffer format (%d) !\n",
330 				  ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
331 			return -EINVAL;
332 		}
333 		if (idx_value & RADEON_DEPTHXY_OFFSET_ENABLE) {
334 			DRM_ERROR("No support for depth xy offset in kms\n");
335 			return -EINVAL;
336 		}
337 
338 		track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
339 		track->cb_dirty = true;
340 		track->zb_dirty = true;
341 		break;
342 	case RADEON_RB3D_ZSTENCILCNTL:
343 		switch (idx_value & 0xf) {
344 		case 0:
345 			track->zb.cpp = 2;
346 			break;
347 		case 2:
348 		case 3:
349 		case 4:
350 		case 5:
351 		case 9:
352 		case 11:
353 			track->zb.cpp = 4;
354 			break;
355 		default:
356 			break;
357 		}
358 		track->zb_dirty = true;
359 		break;
360 	case RADEON_RB3D_ZPASS_ADDR:
361 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
362 		if (r) {
363 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
364 				  idx, reg);
365 			radeon_cs_dump_packet(p, pkt);
366 			return r;
367 		}
368 		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
369 		break;
370 	case RADEON_PP_CNTL:
371 		{
372 			uint32_t temp = idx_value >> 4;
373 			for (i = 0; i < track->num_texture; i++)
374 				track->textures[i].enabled = !!(temp & (1 << i));
375 			track->tex_dirty = true;
376 		}
377 		break;
378 	case RADEON_SE_VF_CNTL:
379 		track->vap_vf_cntl = idx_value;
380 		break;
381 	case 0x210c:
382 		/* VAP_VF_MAX_VTX_INDX */
383 		track->max_indx = idx_value & 0x00FFFFFFUL;
384 		break;
385 	case R200_SE_VTX_FMT_0:
386 		track->vtx_size = r200_get_vtx_size_0(idx_value);
387 		break;
388 	case R200_SE_VTX_FMT_1:
389 		track->vtx_size += r200_get_vtx_size_1(idx_value);
390 		break;
391 	case R200_PP_TXSIZE_0:
392 	case R200_PP_TXSIZE_1:
393 	case R200_PP_TXSIZE_2:
394 	case R200_PP_TXSIZE_3:
395 	case R200_PP_TXSIZE_4:
396 	case R200_PP_TXSIZE_5:
397 		i = (reg - R200_PP_TXSIZE_0) / 32;
398 		track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
399 		track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
400 		track->tex_dirty = true;
401 		break;
402 	case R200_PP_TXPITCH_0:
403 	case R200_PP_TXPITCH_1:
404 	case R200_PP_TXPITCH_2:
405 	case R200_PP_TXPITCH_3:
406 	case R200_PP_TXPITCH_4:
407 	case R200_PP_TXPITCH_5:
408 		i = (reg - R200_PP_TXPITCH_0) / 32;
409 		track->textures[i].pitch = idx_value + 32;
410 		track->tex_dirty = true;
411 		break;
412 	case R200_PP_TXFILTER_0:
413 	case R200_PP_TXFILTER_1:
414 	case R200_PP_TXFILTER_2:
415 	case R200_PP_TXFILTER_3:
416 	case R200_PP_TXFILTER_4:
417 	case R200_PP_TXFILTER_5:
418 		i = (reg - R200_PP_TXFILTER_0) / 32;
419 		track->textures[i].num_levels = ((idx_value & R200_MAX_MIP_LEVEL_MASK)
420 						 >> R200_MAX_MIP_LEVEL_SHIFT);
421 		tmp = (idx_value >> 23) & 0x7;
422 		if (tmp == 2 || tmp == 6)
423 			track->textures[i].roundup_w = false;
424 		tmp = (idx_value >> 27) & 0x7;
425 		if (tmp == 2 || tmp == 6)
426 			track->textures[i].roundup_h = false;
427 		track->tex_dirty = true;
428 		break;
429 	case R200_PP_TXMULTI_CTL_0:
430 	case R200_PP_TXMULTI_CTL_1:
431 	case R200_PP_TXMULTI_CTL_2:
432 	case R200_PP_TXMULTI_CTL_3:
433 	case R200_PP_TXMULTI_CTL_4:
434 	case R200_PP_TXMULTI_CTL_5:
435 		i = (reg - R200_PP_TXMULTI_CTL_0) / 32;
436 		break;
437 	case R200_PP_TXFORMAT_X_0:
438 	case R200_PP_TXFORMAT_X_1:
439 	case R200_PP_TXFORMAT_X_2:
440 	case R200_PP_TXFORMAT_X_3:
441 	case R200_PP_TXFORMAT_X_4:
442 	case R200_PP_TXFORMAT_X_5:
443 		i = (reg - R200_PP_TXFORMAT_X_0) / 32;
444 		track->textures[i].txdepth = idx_value & 0x7;
445 		tmp = (idx_value >> 16) & 0x3;
446 		/* 2D, 3D, CUBE */
447 		switch (tmp) {
448 		case 0:
449 		case 3:
450 		case 4:
451 		case 5:
452 		case 6:
453 		case 7:
454 			/* 1D/2D */
455 			track->textures[i].tex_coord_type = 0;
456 			break;
457 		case 1:
458 			/* CUBE */
459 			track->textures[i].tex_coord_type = 2;
460 			break;
461 		case 2:
462 			/* 3D */
463 			track->textures[i].tex_coord_type = 1;
464 			break;
465 		}
466 		track->tex_dirty = true;
467 		break;
468 	case R200_PP_TXFORMAT_0:
469 	case R200_PP_TXFORMAT_1:
470 	case R200_PP_TXFORMAT_2:
471 	case R200_PP_TXFORMAT_3:
472 	case R200_PP_TXFORMAT_4:
473 	case R200_PP_TXFORMAT_5:
474 		i = (reg - R200_PP_TXFORMAT_0) / 32;
475 		if (idx_value & R200_TXFORMAT_NON_POWER2) {
476 			track->textures[i].use_pitch = 1;
477 		} else {
478 			track->textures[i].use_pitch = 0;
479 			track->textures[i].width = 1 << ((idx_value & RADEON_TXFORMAT_WIDTH_MASK) >> RADEON_TXFORMAT_WIDTH_SHIFT);
480 			track->textures[i].height = 1 << ((idx_value & RADEON_TXFORMAT_HEIGHT_MASK) >> RADEON_TXFORMAT_HEIGHT_SHIFT);
481 		}
482 		if (idx_value & R200_TXFORMAT_LOOKUP_DISABLE)
483 			track->textures[i].lookup_disable = true;
484 		switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
485 		case R200_TXFORMAT_I8:
486 		case R200_TXFORMAT_RGB332:
487 		case R200_TXFORMAT_Y8:
488 			track->textures[i].cpp = 1;
489 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
490 			break;
491 		case R200_TXFORMAT_AI88:
492 		case R200_TXFORMAT_ARGB1555:
493 		case R200_TXFORMAT_RGB565:
494 		case R200_TXFORMAT_ARGB4444:
495 		case R200_TXFORMAT_VYUY422:
496 		case R200_TXFORMAT_YVYU422:
497 		case R200_TXFORMAT_LDVDU655:
498 		case R200_TXFORMAT_DVDU88:
499 		case R200_TXFORMAT_AVYU4444:
500 			track->textures[i].cpp = 2;
501 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
502 			break;
503 		case R200_TXFORMAT_ARGB8888:
504 		case R200_TXFORMAT_RGBA8888:
505 		case R200_TXFORMAT_ABGR8888:
506 		case R200_TXFORMAT_BGR111110:
507 		case R200_TXFORMAT_LDVDU8888:
508 			track->textures[i].cpp = 4;
509 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
510 			break;
511 		case R200_TXFORMAT_DXT1:
512 			track->textures[i].cpp = 1;
513 			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
514 			break;
515 		case R200_TXFORMAT_DXT23:
516 		case R200_TXFORMAT_DXT45:
517 			track->textures[i].cpp = 1;
518 			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
519 			break;
520 		}
521 		track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
522 		track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
523 		track->tex_dirty = true;
524 		break;
525 	case R200_PP_CUBIC_FACES_0:
526 	case R200_PP_CUBIC_FACES_1:
527 	case R200_PP_CUBIC_FACES_2:
528 	case R200_PP_CUBIC_FACES_3:
529 	case R200_PP_CUBIC_FACES_4:
530 	case R200_PP_CUBIC_FACES_5:
531 		tmp = idx_value;
532 		i = (reg - R200_PP_CUBIC_FACES_0) / 32;
533 		for (face = 0; face < 4; face++) {
534 			track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
535 			track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
536 		}
537 		track->tex_dirty = true;
538 		break;
539 	default:
540 		pr_err("Forbidden register 0x%04X in cs at %d\n", reg, idx);
541 		return -EINVAL;
542 	}
543 	return 0;
544 }
545 
546 void r200_set_safe_registers(struct radeon_device *rdev)
547 {
548 	rdev->config.r100.reg_safe_bm = r200_reg_safe_bm;
549 	rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r200_reg_safe_bm);
550 }
551