xref: /dragonfly/sys/dev/drm/radeon/evergreen_cs.c (revision 62dc643e)
1 /*
2  * Copyright 2010 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 <drm/drmP.h>
29 #include "radeon.h"
30 #include "radeon_asic.h"
31 #include "evergreend.h"
32 #include "evergreen_reg_safe.h"
33 #include "cayman_reg_safe.h"
34 
35 #define MAX(a,b)                   (((a)>(b))?(a):(b))
36 #define MIN(a,b)                   (((a)<(b))?(a):(b))
37 
38 #define REG_SAFE_BM_SIZE ARRAY_SIZE(evergreen_reg_safe_bm)
39 
40 struct evergreen_cs_track {
41 	u32			group_size;
42 	u32			nbanks;
43 	u32			npipes;
44 	u32			row_size;
45 	/* value we track */
46 	u32			nsamples;		/* unused */
47 	struct radeon_bo	*cb_color_bo[12];
48 	u32			cb_color_bo_offset[12];
49 	struct radeon_bo	*cb_color_fmask_bo[8];	/* unused */
50 	struct radeon_bo	*cb_color_cmask_bo[8];	/* unused */
51 	u32			cb_color_info[12];
52 	u32			cb_color_view[12];
53 	u32			cb_color_pitch[12];
54 	u32			cb_color_slice[12];
55 	u32			cb_color_slice_idx[12];
56 	u32			cb_color_attrib[12];
57 	u32			cb_color_cmask_slice[8];/* unused */
58 	u32			cb_color_fmask_slice[8];/* unused */
59 	u32			cb_target_mask;
60 	u32			cb_shader_mask; /* unused */
61 	u32			vgt_strmout_config;
62 	u32			vgt_strmout_buffer_config;
63 	struct radeon_bo	*vgt_strmout_bo[4];
64 	u32			vgt_strmout_bo_offset[4];
65 	u32			vgt_strmout_size[4];
66 	u32			db_depth_control;
67 	u32			db_depth_view;
68 	u32			db_depth_slice;
69 	u32			db_depth_size;
70 	u32			db_z_info;
71 	u32			db_z_read_offset;
72 	u32			db_z_write_offset;
73 	struct radeon_bo	*db_z_read_bo;
74 	struct radeon_bo	*db_z_write_bo;
75 	u32			db_s_info;
76 	u32			db_s_read_offset;
77 	u32			db_s_write_offset;
78 	struct radeon_bo	*db_s_read_bo;
79 	struct radeon_bo	*db_s_write_bo;
80 	bool			sx_misc_kill_all_prims;
81 	bool			cb_dirty;
82 	bool			db_dirty;
83 	bool			streamout_dirty;
84 	u32			htile_offset;
85 	u32			htile_surface;
86 	struct radeon_bo	*htile_bo;
87 	unsigned long		indirect_draw_buffer_size;
88 	const unsigned		*reg_safe_bm;
89 };
90 
91 static u32 evergreen_cs_get_aray_mode(u32 tiling_flags)
92 {
93 	if (tiling_flags & RADEON_TILING_MACRO)
94 		return ARRAY_2D_TILED_THIN1;
95 	else if (tiling_flags & RADEON_TILING_MICRO)
96 		return ARRAY_1D_TILED_THIN1;
97 	else
98 		return ARRAY_LINEAR_GENERAL;
99 }
100 
101 static u32 evergreen_cs_get_num_banks(u32 nbanks)
102 {
103 	switch (nbanks) {
104 	case 2:
105 		return ADDR_SURF_2_BANK;
106 	case 4:
107 		return ADDR_SURF_4_BANK;
108 	case 8:
109 	default:
110 		return ADDR_SURF_8_BANK;
111 	case 16:
112 		return ADDR_SURF_16_BANK;
113 	}
114 }
115 
116 static void evergreen_cs_track_init(struct evergreen_cs_track *track)
117 {
118 	int i;
119 
120 	for (i = 0; i < 8; i++) {
121 		track->cb_color_fmask_bo[i] = NULL;
122 		track->cb_color_cmask_bo[i] = NULL;
123 		track->cb_color_cmask_slice[i] = 0;
124 		track->cb_color_fmask_slice[i] = 0;
125 	}
126 
127 	for (i = 0; i < 12; i++) {
128 		track->cb_color_bo[i] = NULL;
129 		track->cb_color_bo_offset[i] = 0xFFFFFFFF;
130 		track->cb_color_info[i] = 0;
131 		track->cb_color_view[i] = 0xFFFFFFFF;
132 		track->cb_color_pitch[i] = 0;
133 		track->cb_color_slice[i] = 0xfffffff;
134 		track->cb_color_slice_idx[i] = 0;
135 	}
136 	track->cb_target_mask = 0xFFFFFFFF;
137 	track->cb_shader_mask = 0xFFFFFFFF;
138 	track->cb_dirty = true;
139 
140 	track->db_depth_slice = 0xffffffff;
141 	track->db_depth_view = 0xFFFFC000;
142 	track->db_depth_size = 0xFFFFFFFF;
143 	track->db_depth_control = 0xFFFFFFFF;
144 	track->db_z_info = 0xFFFFFFFF;
145 	track->db_z_read_offset = 0xFFFFFFFF;
146 	track->db_z_write_offset = 0xFFFFFFFF;
147 	track->db_z_read_bo = NULL;
148 	track->db_z_write_bo = NULL;
149 	track->db_s_info = 0xFFFFFFFF;
150 	track->db_s_read_offset = 0xFFFFFFFF;
151 	track->db_s_write_offset = 0xFFFFFFFF;
152 	track->db_s_read_bo = NULL;
153 	track->db_s_write_bo = NULL;
154 	track->db_dirty = true;
155 	track->htile_bo = NULL;
156 	track->htile_offset = 0xFFFFFFFF;
157 	track->htile_surface = 0;
158 
159 	for (i = 0; i < 4; i++) {
160 		track->vgt_strmout_size[i] = 0;
161 		track->vgt_strmout_bo[i] = NULL;
162 		track->vgt_strmout_bo_offset[i] = 0xFFFFFFFF;
163 	}
164 	track->streamout_dirty = true;
165 	track->sx_misc_kill_all_prims = false;
166 }
167 
168 struct eg_surface {
169 	/* value gathered from cs */
170 	unsigned	nbx;
171 	unsigned	nby;
172 	unsigned	format;
173 	unsigned	mode;
174 	unsigned	nbanks;
175 	unsigned	bankw;
176 	unsigned	bankh;
177 	unsigned	tsplit;
178 	unsigned	mtilea;
179 	unsigned	nsamples;
180 	/* output value */
181 	unsigned	bpe;
182 	unsigned	layer_size;
183 	unsigned	palign;
184 	unsigned	halign;
185 	unsigned long	base_align;
186 };
187 
188 static int evergreen_surface_check_linear(struct radeon_cs_parser *p,
189 					  struct eg_surface *surf,
190 					  const char *prefix)
191 {
192 	surf->layer_size = surf->nbx * surf->nby * surf->bpe * surf->nsamples;
193 	surf->base_align = surf->bpe;
194 	surf->palign = 1;
195 	surf->halign = 1;
196 	return 0;
197 }
198 
199 static int evergreen_surface_check_linear_aligned(struct radeon_cs_parser *p,
200 						  struct eg_surface *surf,
201 						  const char *prefix)
202 {
203 	struct evergreen_cs_track *track = p->track;
204 	unsigned palign;
205 
206 	palign = MAX(64, track->group_size / surf->bpe);
207 	surf->layer_size = surf->nbx * surf->nby * surf->bpe * surf->nsamples;
208 	surf->base_align = track->group_size;
209 	surf->palign = palign;
210 	surf->halign = 1;
211 	if (surf->nbx & (palign - 1)) {
212 		if (prefix) {
213 			dev_warn(p->dev, "%s:%d %s pitch %d invalid must be aligned with %d\n",
214 				 __func__, __LINE__, prefix, surf->nbx, palign);
215 		}
216 		return -EINVAL;
217 	}
218 	return 0;
219 }
220 
221 static int evergreen_surface_check_1d(struct radeon_cs_parser *p,
222 				      struct eg_surface *surf,
223 				      const char *prefix)
224 {
225 	struct evergreen_cs_track *track = p->track;
226 	unsigned palign;
227 
228 	palign = track->group_size / (8 * surf->bpe * surf->nsamples);
229 	palign = MAX(8, palign);
230 	surf->layer_size = surf->nbx * surf->nby * surf->bpe;
231 	surf->base_align = track->group_size;
232 	surf->palign = palign;
233 	surf->halign = 8;
234 	if ((surf->nbx & (palign - 1))) {
235 		if (prefix) {
236 			dev_warn(p->dev, "%s:%d %s pitch %d invalid must be aligned with %d (%d %d %d)\n",
237 				 __func__, __LINE__, prefix, surf->nbx, palign,
238 				 track->group_size, surf->bpe, surf->nsamples);
239 		}
240 		return -EINVAL;
241 	}
242 	if ((surf->nby & (8 - 1))) {
243 		if (prefix) {
244 			dev_warn(p->dev, "%s:%d %s height %d invalid must be aligned with 8\n",
245 				 __func__, __LINE__, prefix, surf->nby);
246 		}
247 		return -EINVAL;
248 	}
249 	return 0;
250 }
251 
252 static int evergreen_surface_check_2d(struct radeon_cs_parser *p,
253 				      struct eg_surface *surf,
254 				      const char *prefix)
255 {
256 	struct evergreen_cs_track *track = p->track;
257 	unsigned palign, halign, tileb, slice_pt;
258 	unsigned mtile_pr, mtile_ps, mtileb;
259 
260 	tileb = 64 * surf->bpe * surf->nsamples;
261 	slice_pt = 1;
262 	if (tileb > surf->tsplit) {
263 		slice_pt = tileb / surf->tsplit;
264 	}
265 	tileb = tileb / slice_pt;
266 	/* macro tile width & height */
267 	palign = (8 * surf->bankw * track->npipes) * surf->mtilea;
268 	halign = (8 * surf->bankh * surf->nbanks) / surf->mtilea;
269 	mtileb = (palign / 8) * (halign / 8) * tileb;
270 	mtile_pr = surf->nbx / palign;
271 	mtile_ps = (mtile_pr * surf->nby) / halign;
272 	surf->layer_size = mtile_ps * mtileb * slice_pt;
273 	surf->base_align = (palign / 8) * (halign / 8) * tileb;
274 	surf->palign = palign;
275 	surf->halign = halign;
276 
277 	if ((surf->nbx & (palign - 1))) {
278 		if (prefix) {
279 			dev_warn(p->dev, "%s:%d %s pitch %d invalid must be aligned with %d\n",
280 				 __func__, __LINE__, prefix, surf->nbx, palign);
281 		}
282 		return -EINVAL;
283 	}
284 	if ((surf->nby & (halign - 1))) {
285 		if (prefix) {
286 			dev_warn(p->dev, "%s:%d %s height %d invalid must be aligned with %d\n",
287 				 __func__, __LINE__, prefix, surf->nby, halign);
288 		}
289 		return -EINVAL;
290 	}
291 
292 	return 0;
293 }
294 
295 static int evergreen_surface_check(struct radeon_cs_parser *p,
296 				   struct eg_surface *surf,
297 				   const char *prefix)
298 {
299 	/* some common value computed here */
300 	surf->bpe = r600_fmt_get_blocksize(surf->format);
301 
302 	switch (surf->mode) {
303 	case ARRAY_LINEAR_GENERAL:
304 		return evergreen_surface_check_linear(p, surf, prefix);
305 	case ARRAY_LINEAR_ALIGNED:
306 		return evergreen_surface_check_linear_aligned(p, surf, prefix);
307 	case ARRAY_1D_TILED_THIN1:
308 		return evergreen_surface_check_1d(p, surf, prefix);
309 	case ARRAY_2D_TILED_THIN1:
310 		return evergreen_surface_check_2d(p, surf, prefix);
311 	default:
312 		dev_warn(p->dev, "%s:%d %s invalid array mode %d\n",
313 				__func__, __LINE__, prefix, surf->mode);
314 		return -EINVAL;
315 	}
316 	return -EINVAL;
317 }
318 
319 static int evergreen_surface_value_conv_check(struct radeon_cs_parser *p,
320 					      struct eg_surface *surf,
321 					      const char *prefix)
322 {
323 	switch (surf->mode) {
324 	case ARRAY_2D_TILED_THIN1:
325 		break;
326 	case ARRAY_LINEAR_GENERAL:
327 	case ARRAY_LINEAR_ALIGNED:
328 	case ARRAY_1D_TILED_THIN1:
329 		return 0;
330 	default:
331 		dev_warn(p->dev, "%s:%d %s invalid array mode %d\n",
332 				__func__, __LINE__, prefix, surf->mode);
333 		return -EINVAL;
334 	}
335 
336 	switch (surf->nbanks) {
337 	case 0: surf->nbanks = 2; break;
338 	case 1: surf->nbanks = 4; break;
339 	case 2: surf->nbanks = 8; break;
340 	case 3: surf->nbanks = 16; break;
341 	default:
342 		dev_warn(p->dev, "%s:%d %s invalid number of banks %d\n",
343 			 __func__, __LINE__, prefix, surf->nbanks);
344 		return -EINVAL;
345 	}
346 	switch (surf->bankw) {
347 	case 0: surf->bankw = 1; break;
348 	case 1: surf->bankw = 2; break;
349 	case 2: surf->bankw = 4; break;
350 	case 3: surf->bankw = 8; break;
351 	default:
352 		dev_warn(p->dev, "%s:%d %s invalid bankw %d\n",
353 			 __func__, __LINE__, prefix, surf->bankw);
354 		return -EINVAL;
355 	}
356 	switch (surf->bankh) {
357 	case 0: surf->bankh = 1; break;
358 	case 1: surf->bankh = 2; break;
359 	case 2: surf->bankh = 4; break;
360 	case 3: surf->bankh = 8; break;
361 	default:
362 		dev_warn(p->dev, "%s:%d %s invalid bankh %d\n",
363 			 __func__, __LINE__, prefix, surf->bankh);
364 		return -EINVAL;
365 	}
366 	switch (surf->mtilea) {
367 	case 0: surf->mtilea = 1; break;
368 	case 1: surf->mtilea = 2; break;
369 	case 2: surf->mtilea = 4; break;
370 	case 3: surf->mtilea = 8; break;
371 	default:
372 		dev_warn(p->dev, "%s:%d %s invalid macro tile aspect %d\n",
373 			 __func__, __LINE__, prefix, surf->mtilea);
374 		return -EINVAL;
375 	}
376 	switch (surf->tsplit) {
377 	case 0: surf->tsplit = 64; break;
378 	case 1: surf->tsplit = 128; break;
379 	case 2: surf->tsplit = 256; break;
380 	case 3: surf->tsplit = 512; break;
381 	case 4: surf->tsplit = 1024; break;
382 	case 5: surf->tsplit = 2048; break;
383 	case 6: surf->tsplit = 4096; break;
384 	default:
385 		dev_warn(p->dev, "%s:%d %s invalid tile split %d\n",
386 			 __func__, __LINE__, prefix, surf->tsplit);
387 		return -EINVAL;
388 	}
389 	return 0;
390 }
391 
392 static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned id)
393 {
394 	struct evergreen_cs_track *track = p->track;
395 	struct eg_surface surf;
396 	unsigned pitch, slice, mslice;
397 	unsigned long offset;
398 	int r;
399 
400 	mslice = G_028C6C_SLICE_MAX(track->cb_color_view[id]) + 1;
401 	pitch = track->cb_color_pitch[id];
402 	slice = track->cb_color_slice[id];
403 	surf.nbx = (pitch + 1) * 8;
404 	surf.nby = ((slice + 1) * 64) / surf.nbx;
405 	surf.mode = G_028C70_ARRAY_MODE(track->cb_color_info[id]);
406 	surf.format = G_028C70_FORMAT(track->cb_color_info[id]);
407 	surf.tsplit = G_028C74_TILE_SPLIT(track->cb_color_attrib[id]);
408 	surf.nbanks = G_028C74_NUM_BANKS(track->cb_color_attrib[id]);
409 	surf.bankw = G_028C74_BANK_WIDTH(track->cb_color_attrib[id]);
410 	surf.bankh = G_028C74_BANK_HEIGHT(track->cb_color_attrib[id]);
411 	surf.mtilea = G_028C74_MACRO_TILE_ASPECT(track->cb_color_attrib[id]);
412 	surf.nsamples = 1;
413 
414 	if (!r600_fmt_is_valid_color(surf.format)) {
415 		dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08x)\n",
416 			 __func__, __LINE__, surf.format,
417 			id, track->cb_color_info[id]);
418 		return -EINVAL;
419 	}
420 
421 	r = evergreen_surface_value_conv_check(p, &surf, "cb");
422 	if (r) {
423 		return r;
424 	}
425 
426 	r = evergreen_surface_check(p, &surf, "cb");
427 	if (r) {
428 		dev_warn(p->dev, "%s:%d cb[%d] invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n",
429 			 __func__, __LINE__, id, track->cb_color_pitch[id],
430 			 track->cb_color_slice[id], track->cb_color_attrib[id],
431 			 track->cb_color_info[id]);
432 		return r;
433 	}
434 
435 	offset = track->cb_color_bo_offset[id] << 8;
436 	if (offset & (surf.base_align - 1)) {
437 		dev_warn(p->dev, "%s:%d cb[%d] bo base %ld not aligned with %ld\n",
438 			 __func__, __LINE__, id, offset, surf.base_align);
439 		return -EINVAL;
440 	}
441 
442 	offset += surf.layer_size * mslice;
443 	if (offset > radeon_bo_size(track->cb_color_bo[id])) {
444 		/* old ddx are broken they allocate bo with w*h*bpp but
445 		 * program slice with ALIGN(h, 8), catch this and patch
446 		 * command stream.
447 		 */
448 		if (!surf.mode) {
449 			uint32_t *ib = p->ib.ptr;
450 			unsigned long tmp, nby, bsize, size, min = 0;
451 
452 			/* find the height the ddx wants */
453 			if (surf.nby > 8) {
454 				min = surf.nby - 8;
455 			}
456 			bsize = radeon_bo_size(track->cb_color_bo[id]);
457 			tmp = track->cb_color_bo_offset[id] << 8;
458 			for (nby = surf.nby; nby > min; nby--) {
459 				size = nby * surf.nbx * surf.bpe * surf.nsamples;
460 				if ((tmp + size * mslice) <= bsize) {
461 					break;
462 				}
463 			}
464 			if (nby > min) {
465 				surf.nby = nby;
466 				slice = ((nby * surf.nbx) / 64) - 1;
467 				if (!evergreen_surface_check(p, &surf, "cb")) {
468 					/* check if this one works */
469 					tmp += surf.layer_size * mslice;
470 					if (tmp <= bsize) {
471 						ib[track->cb_color_slice_idx[id]] = slice;
472 						goto old_ddx_ok;
473 					}
474 				}
475 			}
476 		}
477 		dev_warn(p->dev, "%s:%d cb[%d] bo too small (layer size %d, "
478 			 "offset %d, max layer %d, bo size %ld, slice %d)\n",
479 			 __func__, __LINE__, id, surf.layer_size,
480 			track->cb_color_bo_offset[id] << 8, mslice,
481 			radeon_bo_size(track->cb_color_bo[id]), slice);
482 		dev_warn(p->dev, "%s:%d problematic surf: (%d %d) (%d %d %d %d %d %d %d)\n",
483 			 __func__, __LINE__, surf.nbx, surf.nby,
484 			surf.mode, surf.bpe, surf.nsamples,
485 			surf.bankw, surf.bankh,
486 			surf.tsplit, surf.mtilea);
487 		return -EINVAL;
488 	}
489 old_ddx_ok:
490 
491 	return 0;
492 }
493 
494 static int evergreen_cs_track_validate_htile(struct radeon_cs_parser *p,
495 						unsigned nbx, unsigned nby)
496 {
497 	struct evergreen_cs_track *track = p->track;
498 	unsigned long size;
499 
500 	if (track->htile_bo == NULL) {
501 		dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n",
502 				__func__, __LINE__, track->db_z_info);
503 		return -EINVAL;
504 	}
505 
506 	if (G_028ABC_LINEAR(track->htile_surface)) {
507 		/* pitch must be 16 htiles aligned == 16 * 8 pixel aligned */
508 		nbx = round_up(nbx, 16 * 8);
509 		/* height is npipes htiles aligned == npipes * 8 pixel aligned */
510 		nby = round_up(nby, track->npipes * 8);
511 	} else {
512 		/* always assume 8x8 htile */
513 		/* align is htile align * 8, htile align vary according to
514 		 * number of pipe and tile width and nby
515 		 */
516 		switch (track->npipes) {
517 		case 8:
518 			/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
519 			nbx = round_up(nbx, 64 * 8);
520 			nby = round_up(nby, 64 * 8);
521 			break;
522 		case 4:
523 			/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
524 			nbx = round_up(nbx, 64 * 8);
525 			nby = round_up(nby, 32 * 8);
526 			break;
527 		case 2:
528 			/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
529 			nbx = round_up(nbx, 32 * 8);
530 			nby = round_up(nby, 32 * 8);
531 			break;
532 		case 1:
533 			/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
534 			nbx = round_up(nbx, 32 * 8);
535 			nby = round_up(nby, 16 * 8);
536 			break;
537 		default:
538 			dev_warn(p->dev, "%s:%d invalid num pipes %d\n",
539 					__func__, __LINE__, track->npipes);
540 			return -EINVAL;
541 		}
542 	}
543 	/* compute number of htile */
544 	nbx = nbx >> 3;
545 	nby = nby >> 3;
546 	/* size must be aligned on npipes * 2K boundary */
547 	size = roundup(nbx * nby * 4, track->npipes * (2 << 10));
548 	size += track->htile_offset;
549 
550 	if (size > radeon_bo_size(track->htile_bo)) {
551 		dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n",
552 				__func__, __LINE__, radeon_bo_size(track->htile_bo),
553 				size, nbx, nby);
554 		return -EINVAL;
555 	}
556 	return 0;
557 }
558 
559 static int evergreen_cs_track_validate_stencil(struct radeon_cs_parser *p)
560 {
561 	struct evergreen_cs_track *track = p->track;
562 	struct eg_surface surf;
563 	unsigned pitch, slice, mslice;
564 	unsigned long offset;
565 	int r;
566 
567 	mslice = G_028008_SLICE_MAX(track->db_depth_view) + 1;
568 	pitch = G_028058_PITCH_TILE_MAX(track->db_depth_size);
569 	slice = track->db_depth_slice;
570 	surf.nbx = (pitch + 1) * 8;
571 	surf.nby = ((slice + 1) * 64) / surf.nbx;
572 	surf.mode = G_028040_ARRAY_MODE(track->db_z_info);
573 	surf.format = G_028044_FORMAT(track->db_s_info);
574 	surf.tsplit = G_028044_TILE_SPLIT(track->db_s_info);
575 	surf.nbanks = G_028040_NUM_BANKS(track->db_z_info);
576 	surf.bankw = G_028040_BANK_WIDTH(track->db_z_info);
577 	surf.bankh = G_028040_BANK_HEIGHT(track->db_z_info);
578 	surf.mtilea = G_028040_MACRO_TILE_ASPECT(track->db_z_info);
579 	surf.nsamples = 1;
580 
581 	if (surf.format != 1) {
582 		dev_warn(p->dev, "%s:%d stencil invalid format %d\n",
583 			 __func__, __LINE__, surf.format);
584 		return -EINVAL;
585 	}
586 	/* replace by color format so we can use same code */
587 	surf.format = V_028C70_COLOR_8;
588 
589 	r = evergreen_surface_value_conv_check(p, &surf, "stencil");
590 	if (r) {
591 		return r;
592 	}
593 
594 	r = evergreen_surface_check(p, &surf, NULL);
595 	if (r) {
596 		/* old userspace doesn't compute proper depth/stencil alignment
597 		 * check that alignment against a bigger byte per elements and
598 		 * only report if that alignment is wrong too.
599 		 */
600 		surf.format = V_028C70_COLOR_8_8_8_8;
601 		r = evergreen_surface_check(p, &surf, "stencil");
602 		if (r) {
603 			dev_warn(p->dev, "%s:%d stencil invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n",
604 				 __func__, __LINE__, track->db_depth_size,
605 				 track->db_depth_slice, track->db_s_info, track->db_z_info);
606 		}
607 		return r;
608 	}
609 
610 	offset = track->db_s_read_offset << 8;
611 	if (offset & (surf.base_align - 1)) {
612 		dev_warn(p->dev, "%s:%d stencil read bo base %ld not aligned with %ld\n",
613 			 __func__, __LINE__, offset, surf.base_align);
614 		return -EINVAL;
615 	}
616 	offset += surf.layer_size * mslice;
617 	if (offset > radeon_bo_size(track->db_s_read_bo)) {
618 		dev_warn(p->dev, "%s:%d stencil read bo too small (layer size %d, "
619 			 "offset %ld, max layer %d, bo size %ld)\n",
620 			 __func__, __LINE__, surf.layer_size,
621 			(unsigned long)track->db_s_read_offset << 8, mslice,
622 			radeon_bo_size(track->db_s_read_bo));
623 		dev_warn(p->dev, "%s:%d stencil invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n",
624 			 __func__, __LINE__, track->db_depth_size,
625 			 track->db_depth_slice, track->db_s_info, track->db_z_info);
626 		return -EINVAL;
627 	}
628 
629 	offset = track->db_s_write_offset << 8;
630 	if (offset & (surf.base_align - 1)) {
631 		dev_warn(p->dev, "%s:%d stencil write bo base %ld not aligned with %ld\n",
632 			 __func__, __LINE__, offset, surf.base_align);
633 		return -EINVAL;
634 	}
635 	offset += surf.layer_size * mslice;
636 	if (offset > radeon_bo_size(track->db_s_write_bo)) {
637 		dev_warn(p->dev, "%s:%d stencil write bo too small (layer size %d, "
638 			 "offset %ld, max layer %d, bo size %ld)\n",
639 			 __func__, __LINE__, surf.layer_size,
640 			(unsigned long)track->db_s_write_offset << 8, mslice,
641 			radeon_bo_size(track->db_s_write_bo));
642 		return -EINVAL;
643 	}
644 
645 	/* hyperz */
646 	if (G_028040_TILE_SURFACE_ENABLE(track->db_z_info)) {
647 		r = evergreen_cs_track_validate_htile(p, surf.nbx, surf.nby);
648 		if (r) {
649 			return r;
650 		}
651 	}
652 
653 	return 0;
654 }
655 
656 static int evergreen_cs_track_validate_depth(struct radeon_cs_parser *p)
657 {
658 	struct evergreen_cs_track *track = p->track;
659 	struct eg_surface surf;
660 	unsigned pitch, slice, mslice;
661 	unsigned long offset;
662 	int r;
663 
664 	mslice = G_028008_SLICE_MAX(track->db_depth_view) + 1;
665 	pitch = G_028058_PITCH_TILE_MAX(track->db_depth_size);
666 	slice = track->db_depth_slice;
667 	surf.nbx = (pitch + 1) * 8;
668 	surf.nby = ((slice + 1) * 64) / surf.nbx;
669 	surf.mode = G_028040_ARRAY_MODE(track->db_z_info);
670 	surf.format = G_028040_FORMAT(track->db_z_info);
671 	surf.tsplit = G_028040_TILE_SPLIT(track->db_z_info);
672 	surf.nbanks = G_028040_NUM_BANKS(track->db_z_info);
673 	surf.bankw = G_028040_BANK_WIDTH(track->db_z_info);
674 	surf.bankh = G_028040_BANK_HEIGHT(track->db_z_info);
675 	surf.mtilea = G_028040_MACRO_TILE_ASPECT(track->db_z_info);
676 	surf.nsamples = 1;
677 
678 	switch (surf.format) {
679 	case V_028040_Z_16:
680 		surf.format = V_028C70_COLOR_16;
681 		break;
682 	case V_028040_Z_24:
683 	case V_028040_Z_32_FLOAT:
684 		surf.format = V_028C70_COLOR_8_8_8_8;
685 		break;
686 	default:
687 		dev_warn(p->dev, "%s:%d depth invalid format %d\n",
688 			 __func__, __LINE__, surf.format);
689 		return -EINVAL;
690 	}
691 
692 	r = evergreen_surface_value_conv_check(p, &surf, "depth");
693 	if (r) {
694 		dev_warn(p->dev, "%s:%d depth invalid (0x%08x 0x%08x 0x%08x)\n",
695 			 __func__, __LINE__, track->db_depth_size,
696 			 track->db_depth_slice, track->db_z_info);
697 		return r;
698 	}
699 
700 	r = evergreen_surface_check(p, &surf, "depth");
701 	if (r) {
702 		dev_warn(p->dev, "%s:%d depth invalid (0x%08x 0x%08x 0x%08x)\n",
703 			 __func__, __LINE__, track->db_depth_size,
704 			 track->db_depth_slice, track->db_z_info);
705 		return r;
706 	}
707 
708 	offset = track->db_z_read_offset << 8;
709 	if (offset & (surf.base_align - 1)) {
710 		dev_warn(p->dev, "%s:%d stencil read bo base %ld not aligned with %ld\n",
711 			 __func__, __LINE__, offset, surf.base_align);
712 		return -EINVAL;
713 	}
714 	offset += surf.layer_size * mslice;
715 	if (offset > radeon_bo_size(track->db_z_read_bo)) {
716 		dev_warn(p->dev, "%s:%d depth read bo too small (layer size %d, "
717 			 "offset %ld, max layer %d, bo size %ld)\n",
718 			 __func__, __LINE__, surf.layer_size,
719 			(unsigned long)track->db_z_read_offset << 8, mslice,
720 			radeon_bo_size(track->db_z_read_bo));
721 		return -EINVAL;
722 	}
723 
724 	offset = track->db_z_write_offset << 8;
725 	if (offset & (surf.base_align - 1)) {
726 		dev_warn(p->dev, "%s:%d stencil write bo base %ld not aligned with %ld\n",
727 			 __func__, __LINE__, offset, surf.base_align);
728 		return -EINVAL;
729 	}
730 	offset += surf.layer_size * mslice;
731 	if (offset > radeon_bo_size(track->db_z_write_bo)) {
732 		dev_warn(p->dev, "%s:%d depth write bo too small (layer size %d, "
733 			 "offset %ld, max layer %d, bo size %ld)\n",
734 			 __func__, __LINE__, surf.layer_size,
735 			(unsigned long)track->db_z_write_offset << 8, mslice,
736 			radeon_bo_size(track->db_z_write_bo));
737 		return -EINVAL;
738 	}
739 
740 	/* hyperz */
741 	if (G_028040_TILE_SURFACE_ENABLE(track->db_z_info)) {
742 		r = evergreen_cs_track_validate_htile(p, surf.nbx, surf.nby);
743 		if (r) {
744 			return r;
745 		}
746 	}
747 
748 	return 0;
749 }
750 
751 static int evergreen_cs_track_validate_texture(struct radeon_cs_parser *p,
752 					       struct radeon_bo *texture,
753 					       struct radeon_bo *mipmap,
754 					       unsigned idx)
755 {
756 	struct eg_surface surf;
757 	unsigned long toffset, moffset;
758 	unsigned dim, llevel, mslice, width, height, depth, i;
759 	u32 texdw[8];
760 	int r;
761 
762 	texdw[0] = radeon_get_ib_value(p, idx + 0);
763 	texdw[1] = radeon_get_ib_value(p, idx + 1);
764 	texdw[2] = radeon_get_ib_value(p, idx + 2);
765 	texdw[3] = radeon_get_ib_value(p, idx + 3);
766 	texdw[4] = radeon_get_ib_value(p, idx + 4);
767 	texdw[5] = radeon_get_ib_value(p, idx + 5);
768 	texdw[6] = radeon_get_ib_value(p, idx + 6);
769 	texdw[7] = radeon_get_ib_value(p, idx + 7);
770 	dim = G_030000_DIM(texdw[0]);
771 	llevel = G_030014_LAST_LEVEL(texdw[5]);
772 	mslice = G_030014_LAST_ARRAY(texdw[5]) + 1;
773 	width = G_030000_TEX_WIDTH(texdw[0]) + 1;
774 	height =  G_030004_TEX_HEIGHT(texdw[1]) + 1;
775 	depth = G_030004_TEX_DEPTH(texdw[1]) + 1;
776 	surf.format = G_03001C_DATA_FORMAT(texdw[7]);
777 	surf.nbx = (G_030000_PITCH(texdw[0]) + 1) * 8;
778 	surf.nbx = r600_fmt_get_nblocksx(surf.format, surf.nbx);
779 	surf.nby = r600_fmt_get_nblocksy(surf.format, height);
780 	surf.mode = G_030004_ARRAY_MODE(texdw[1]);
781 	surf.tsplit = G_030018_TILE_SPLIT(texdw[6]);
782 	surf.nbanks = G_03001C_NUM_BANKS(texdw[7]);
783 	surf.bankw = G_03001C_BANK_WIDTH(texdw[7]);
784 	surf.bankh = G_03001C_BANK_HEIGHT(texdw[7]);
785 	surf.mtilea = G_03001C_MACRO_TILE_ASPECT(texdw[7]);
786 	surf.nsamples = 1;
787 	toffset = texdw[2] << 8;
788 	moffset = texdw[3] << 8;
789 
790 	if (!r600_fmt_is_valid_texture(surf.format, p->family)) {
791 		dev_warn(p->dev, "%s:%d texture invalid format %d\n",
792 			 __func__, __LINE__, surf.format);
793 		return -EINVAL;
794 	}
795 	switch (dim) {
796 	case V_030000_SQ_TEX_DIM_1D:
797 	case V_030000_SQ_TEX_DIM_2D:
798 	case V_030000_SQ_TEX_DIM_CUBEMAP:
799 	case V_030000_SQ_TEX_DIM_1D_ARRAY:
800 	case V_030000_SQ_TEX_DIM_2D_ARRAY:
801 		depth = 1;
802 		break;
803 	case V_030000_SQ_TEX_DIM_2D_MSAA:
804 	case V_030000_SQ_TEX_DIM_2D_ARRAY_MSAA:
805 		surf.nsamples = 1 << llevel;
806 		llevel = 0;
807 		depth = 1;
808 		break;
809 	case V_030000_SQ_TEX_DIM_3D:
810 		break;
811 	default:
812 		dev_warn(p->dev, "%s:%d texture invalid dimension %d\n",
813 			 __func__, __LINE__, dim);
814 		return -EINVAL;
815 	}
816 
817 	r = evergreen_surface_value_conv_check(p, &surf, "texture");
818 	if (r) {
819 		return r;
820 	}
821 
822 	/* align height */
823 	evergreen_surface_check(p, &surf, NULL);
824 	surf.nby = ALIGN(surf.nby, surf.halign);
825 
826 	r = evergreen_surface_check(p, &surf, "texture");
827 	if (r) {
828 		dev_warn(p->dev, "%s:%d texture invalid 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
829 			 __func__, __LINE__, texdw[0], texdw[1], texdw[4],
830 			 texdw[5], texdw[6], texdw[7]);
831 		return r;
832 	}
833 
834 	/* check texture size */
835 	if (toffset & (surf.base_align - 1)) {
836 		dev_warn(p->dev, "%s:%d texture bo base %ld not aligned with %ld\n",
837 			 __func__, __LINE__, toffset, surf.base_align);
838 		return -EINVAL;
839 	}
840 	if (surf.nsamples <= 1 && moffset & (surf.base_align - 1)) {
841 		dev_warn(p->dev, "%s:%d mipmap bo base %ld not aligned with %ld\n",
842 			 __func__, __LINE__, moffset, surf.base_align);
843 		return -EINVAL;
844 	}
845 	if (dim == SQ_TEX_DIM_3D) {
846 		toffset += surf.layer_size * depth;
847 	} else {
848 		toffset += surf.layer_size * mslice;
849 	}
850 	if (toffset > radeon_bo_size(texture)) {
851 		dev_warn(p->dev, "%s:%d texture bo too small (layer size %d, "
852 			 "offset %ld, max layer %d, depth %d, bo size %ld) (%d %d)\n",
853 			 __func__, __LINE__, surf.layer_size,
854 			(unsigned long)texdw[2] << 8, mslice,
855 			depth, radeon_bo_size(texture),
856 			surf.nbx, surf.nby);
857 		return -EINVAL;
858 	}
859 
860 	if (!mipmap) {
861 		if (llevel) {
862 			dev_warn(p->dev, "%s:%i got NULL MIP_ADDRESS relocation\n",
863 				 __func__, __LINE__);
864 			return -EINVAL;
865 		} else {
866 			return 0; /* everything's ok */
867 		}
868 	}
869 
870 	/* check mipmap size */
871 	for (i = 1; i <= llevel; i++) {
872 		unsigned w, h, d;
873 
874 		w = r600_mip_minify(width, i);
875 		h = r600_mip_minify(height, i);
876 		d = r600_mip_minify(depth, i);
877 		surf.nbx = r600_fmt_get_nblocksx(surf.format, w);
878 		surf.nby = r600_fmt_get_nblocksy(surf.format, h);
879 
880 		switch (surf.mode) {
881 		case ARRAY_2D_TILED_THIN1:
882 			if (surf.nbx < surf.palign || surf.nby < surf.halign) {
883 				surf.mode = ARRAY_1D_TILED_THIN1;
884 			}
885 			/* recompute alignment */
886 			evergreen_surface_check(p, &surf, NULL);
887 			break;
888 		case ARRAY_LINEAR_GENERAL:
889 		case ARRAY_LINEAR_ALIGNED:
890 		case ARRAY_1D_TILED_THIN1:
891 			break;
892 		default:
893 			dev_warn(p->dev, "%s:%d invalid array mode %d\n",
894 				 __func__, __LINE__, surf.mode);
895 			return -EINVAL;
896 		}
897 		surf.nbx = ALIGN(surf.nbx, surf.palign);
898 		surf.nby = ALIGN(surf.nby, surf.halign);
899 
900 		r = evergreen_surface_check(p, &surf, "mipmap");
901 		if (r) {
902 			return r;
903 		}
904 
905 		if (dim == SQ_TEX_DIM_3D) {
906 			moffset += surf.layer_size * d;
907 		} else {
908 			moffset += surf.layer_size * mslice;
909 		}
910 		if (moffset > radeon_bo_size(mipmap)) {
911 			dev_warn(p->dev, "%s:%d mipmap [%d] bo too small (layer size %d, "
912 					"offset %ld, coffset %ld, max layer %d, depth %d, "
913 					"bo size %ld) level0 (%d %d %d)\n",
914 					__func__, __LINE__, i, surf.layer_size,
915 					(unsigned long)texdw[3] << 8, moffset, mslice,
916 					d, radeon_bo_size(mipmap),
917 					width, height, depth);
918 			dev_warn(p->dev, "%s:%d problematic surf: (%d %d) (%d %d %d %d %d %d %d)\n",
919 				 __func__, __LINE__, surf.nbx, surf.nby,
920 				surf.mode, surf.bpe, surf.nsamples,
921 				surf.bankw, surf.bankh,
922 				surf.tsplit, surf.mtilea);
923 			return -EINVAL;
924 		}
925 	}
926 
927 	return 0;
928 }
929 
930 static int evergreen_cs_track_check(struct radeon_cs_parser *p)
931 {
932 	struct evergreen_cs_track *track = p->track;
933 	unsigned tmp, i;
934 	int r;
935 	unsigned buffer_mask = 0;
936 
937 	/* check streamout */
938 	if (track->streamout_dirty && track->vgt_strmout_config) {
939 		for (i = 0; i < 4; i++) {
940 			if (track->vgt_strmout_config & (1 << i)) {
941 				buffer_mask |= (track->vgt_strmout_buffer_config >> (i * 4)) & 0xf;
942 			}
943 		}
944 
945 		for (i = 0; i < 4; i++) {
946 			if (buffer_mask & (1 << i)) {
947 				if (track->vgt_strmout_bo[i]) {
948 					u64 offset = (u64)track->vgt_strmout_bo_offset[i] +
949 							(u64)track->vgt_strmout_size[i];
950 					if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) {
951 						DRM_ERROR("streamout %d bo too small: 0x%llx, 0x%lx\n",
952 							  i, offset,
953 							  radeon_bo_size(track->vgt_strmout_bo[i]));
954 						return -EINVAL;
955 					}
956 				} else {
957 					dev_warn(p->dev, "No buffer for streamout %d\n", i);
958 					return -EINVAL;
959 				}
960 			}
961 		}
962 		track->streamout_dirty = false;
963 	}
964 
965 	if (track->sx_misc_kill_all_prims)
966 		return 0;
967 
968 	/* check that we have a cb for each enabled target
969 	 */
970 	if (track->cb_dirty) {
971 		tmp = track->cb_target_mask;
972 		for (i = 0; i < 8; i++) {
973 			u32 format = G_028C70_FORMAT(track->cb_color_info[i]);
974 
975 			if (format != V_028C70_COLOR_INVALID &&
976 			    (tmp >> (i * 4)) & 0xF) {
977 				/* at least one component is enabled */
978 				if (track->cb_color_bo[i] == NULL) {
979 					dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
980 						__func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
981 					return -EINVAL;
982 				}
983 				/* check cb */
984 				r = evergreen_cs_track_validate_cb(p, i);
985 				if (r) {
986 					return r;
987 				}
988 			}
989 		}
990 		track->cb_dirty = false;
991 	}
992 
993 	if (track->db_dirty) {
994 		/* Check stencil buffer */
995 		if (G_028044_FORMAT(track->db_s_info) != V_028044_STENCIL_INVALID &&
996 		    G_028800_STENCIL_ENABLE(track->db_depth_control)) {
997 			r = evergreen_cs_track_validate_stencil(p);
998 			if (r)
999 				return r;
1000 		}
1001 		/* Check depth buffer */
1002 		if (G_028040_FORMAT(track->db_z_info) != V_028040_Z_INVALID &&
1003 		    G_028800_Z_ENABLE(track->db_depth_control)) {
1004 			r = evergreen_cs_track_validate_depth(p);
1005 			if (r)
1006 				return r;
1007 		}
1008 		track->db_dirty = false;
1009 	}
1010 
1011 	return 0;
1012 }
1013 
1014 /**
1015  * evergreen_cs_packet_parse_vline() - parse userspace VLINE packet
1016  * @parser:		parser structure holding parsing context.
1017  *
1018  * This is an Evergreen(+)-specific function for parsing VLINE packets.
1019  * Real work is done by r600_cs_common_vline_parse function.
1020  * Here we just set up ASIC-specific register table and call
1021  * the common implementation function.
1022  */
1023 static int evergreen_cs_packet_parse_vline(struct radeon_cs_parser *p)
1024 {
1025 
1026 	static uint32_t vline_start_end[6] = {
1027 		EVERGREEN_VLINE_START_END + EVERGREEN_CRTC0_REGISTER_OFFSET,
1028 		EVERGREEN_VLINE_START_END + EVERGREEN_CRTC1_REGISTER_OFFSET,
1029 		EVERGREEN_VLINE_START_END + EVERGREEN_CRTC2_REGISTER_OFFSET,
1030 		EVERGREEN_VLINE_START_END + EVERGREEN_CRTC3_REGISTER_OFFSET,
1031 		EVERGREEN_VLINE_START_END + EVERGREEN_CRTC4_REGISTER_OFFSET,
1032 		EVERGREEN_VLINE_START_END + EVERGREEN_CRTC5_REGISTER_OFFSET
1033 	};
1034 	static uint32_t vline_status[6] = {
1035 		EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET,
1036 		EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET,
1037 		EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET,
1038 		EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET,
1039 		EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET,
1040 		EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET
1041 	};
1042 
1043 	return r600_cs_common_vline_parse(p, vline_start_end, vline_status);
1044 }
1045 
1046 static int evergreen_packet0_check(struct radeon_cs_parser *p,
1047 				   struct radeon_cs_packet *pkt,
1048 				   unsigned idx, unsigned reg)
1049 {
1050 	int r;
1051 
1052 	switch (reg) {
1053 	case EVERGREEN_VLINE_START_END:
1054 		r = evergreen_cs_packet_parse_vline(p);
1055 		if (r) {
1056 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1057 					idx, reg);
1058 			return r;
1059 		}
1060 		break;
1061 	default:
1062 		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1063 		       reg, idx);
1064 		return -EINVAL;
1065 	}
1066 	return 0;
1067 }
1068 
1069 static int evergreen_cs_parse_packet0(struct radeon_cs_parser *p,
1070 				      struct radeon_cs_packet *pkt)
1071 {
1072 	unsigned reg, i;
1073 	unsigned idx;
1074 	int r;
1075 
1076 	idx = pkt->idx + 1;
1077 	reg = pkt->reg;
1078 	for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
1079 		r = evergreen_packet0_check(p, pkt, idx, reg);
1080 		if (r) {
1081 			return r;
1082 		}
1083 	}
1084 	return 0;
1085 }
1086 
1087 /**
1088  * evergreen_cs_handle_reg() - process registers that need special handling.
1089  * @parser: parser structure holding parsing context
1090  * @reg: register we are testing
1091  * @idx: index into the cs buffer
1092  */
1093 static int evergreen_cs_handle_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1094 {
1095 	struct evergreen_cs_track *track = (struct evergreen_cs_track *)p->track;
1096 	struct radeon_bo_list *reloc;
1097 	u32 tmp, *ib;
1098 	int r;
1099 
1100 	ib = p->ib.ptr;
1101 	switch (reg) {
1102 	/* force following reg to 0 in an attempt to disable out buffer
1103 	 * which will need us to better understand how it works to perform
1104 	 * security check on it (Jerome)
1105 	 */
1106 	case SQ_ESGS_RING_SIZE:
1107 	case SQ_GSVS_RING_SIZE:
1108 	case SQ_ESTMP_RING_SIZE:
1109 	case SQ_GSTMP_RING_SIZE:
1110 	case SQ_HSTMP_RING_SIZE:
1111 	case SQ_LSTMP_RING_SIZE:
1112 	case SQ_PSTMP_RING_SIZE:
1113 	case SQ_VSTMP_RING_SIZE:
1114 	case SQ_ESGS_RING_ITEMSIZE:
1115 	case SQ_ESTMP_RING_ITEMSIZE:
1116 	case SQ_GSTMP_RING_ITEMSIZE:
1117 	case SQ_GSVS_RING_ITEMSIZE:
1118 	case SQ_GS_VERT_ITEMSIZE:
1119 	case SQ_GS_VERT_ITEMSIZE_1:
1120 	case SQ_GS_VERT_ITEMSIZE_2:
1121 	case SQ_GS_VERT_ITEMSIZE_3:
1122 	case SQ_GSVS_RING_OFFSET_1:
1123 	case SQ_GSVS_RING_OFFSET_2:
1124 	case SQ_GSVS_RING_OFFSET_3:
1125 	case SQ_HSTMP_RING_ITEMSIZE:
1126 	case SQ_LSTMP_RING_ITEMSIZE:
1127 	case SQ_PSTMP_RING_ITEMSIZE:
1128 	case SQ_VSTMP_RING_ITEMSIZE:
1129 	case VGT_TF_RING_SIZE:
1130 		/* get value to populate the IB don't remove */
1131 		/*tmp =radeon_get_ib_value(p, idx);
1132 		  ib[idx] = 0;*/
1133 		break;
1134 	case SQ_ESGS_RING_BASE:
1135 	case SQ_GSVS_RING_BASE:
1136 	case SQ_ESTMP_RING_BASE:
1137 	case SQ_GSTMP_RING_BASE:
1138 	case SQ_HSTMP_RING_BASE:
1139 	case SQ_LSTMP_RING_BASE:
1140 	case SQ_PSTMP_RING_BASE:
1141 	case SQ_VSTMP_RING_BASE:
1142 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1143 		if (r) {
1144 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1145 					"0x%04X\n", reg);
1146 			return -EINVAL;
1147 		}
1148 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1149 		break;
1150 	case DB_DEPTH_CONTROL:
1151 		track->db_depth_control = radeon_get_ib_value(p, idx);
1152 		track->db_dirty = true;
1153 		break;
1154 	case CAYMAN_DB_EQAA:
1155 		if (p->rdev->family < CHIP_CAYMAN) {
1156 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1157 				 "0x%04X\n", reg);
1158 			return -EINVAL;
1159 		}
1160 		break;
1161 	case CAYMAN_DB_DEPTH_INFO:
1162 		if (p->rdev->family < CHIP_CAYMAN) {
1163 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1164 				 "0x%04X\n", reg);
1165 			return -EINVAL;
1166 		}
1167 		break;
1168 	case DB_Z_INFO:
1169 		track->db_z_info = radeon_get_ib_value(p, idx);
1170 		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1171 			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1172 			if (r) {
1173 				dev_warn(p->dev, "bad SET_CONTEXT_REG "
1174 						"0x%04X\n", reg);
1175 				return -EINVAL;
1176 			}
1177 			ib[idx] &= ~Z_ARRAY_MODE(0xf);
1178 			track->db_z_info &= ~Z_ARRAY_MODE(0xf);
1179 			ib[idx] |= Z_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
1180 			track->db_z_info |= Z_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
1181 			if (reloc->tiling_flags & RADEON_TILING_MACRO) {
1182 				unsigned bankw, bankh, mtaspect, tile_split;
1183 
1184 				evergreen_tiling_fields(reloc->tiling_flags,
1185 							&bankw, &bankh, &mtaspect,
1186 							&tile_split);
1187 				ib[idx] |= DB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
1188 				ib[idx] |= DB_TILE_SPLIT(tile_split) |
1189 						DB_BANK_WIDTH(bankw) |
1190 						DB_BANK_HEIGHT(bankh) |
1191 						DB_MACRO_TILE_ASPECT(mtaspect);
1192 			}
1193 		}
1194 		track->db_dirty = true;
1195 		break;
1196 	case DB_STENCIL_INFO:
1197 		track->db_s_info = radeon_get_ib_value(p, idx);
1198 		track->db_dirty = true;
1199 		break;
1200 	case DB_DEPTH_VIEW:
1201 		track->db_depth_view = radeon_get_ib_value(p, idx);
1202 		track->db_dirty = true;
1203 		break;
1204 	case DB_DEPTH_SIZE:
1205 		track->db_depth_size = radeon_get_ib_value(p, idx);
1206 		track->db_dirty = true;
1207 		break;
1208 	case R_02805C_DB_DEPTH_SLICE:
1209 		track->db_depth_slice = radeon_get_ib_value(p, idx);
1210 		track->db_dirty = true;
1211 		break;
1212 	case DB_Z_READ_BASE:
1213 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1214 		if (r) {
1215 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1216 					"0x%04X\n", reg);
1217 			return -EINVAL;
1218 		}
1219 		track->db_z_read_offset = radeon_get_ib_value(p, idx);
1220 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1221 		track->db_z_read_bo = reloc->robj;
1222 		track->db_dirty = true;
1223 		break;
1224 	case DB_Z_WRITE_BASE:
1225 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1226 		if (r) {
1227 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1228 					"0x%04X\n", reg);
1229 			return -EINVAL;
1230 		}
1231 		track->db_z_write_offset = radeon_get_ib_value(p, idx);
1232 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1233 		track->db_z_write_bo = reloc->robj;
1234 		track->db_dirty = true;
1235 		break;
1236 	case DB_STENCIL_READ_BASE:
1237 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1238 		if (r) {
1239 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1240 					"0x%04X\n", reg);
1241 			return -EINVAL;
1242 		}
1243 		track->db_s_read_offset = radeon_get_ib_value(p, idx);
1244 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1245 		track->db_s_read_bo = reloc->robj;
1246 		track->db_dirty = true;
1247 		break;
1248 	case DB_STENCIL_WRITE_BASE:
1249 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1250 		if (r) {
1251 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1252 					"0x%04X\n", reg);
1253 			return -EINVAL;
1254 		}
1255 		track->db_s_write_offset = radeon_get_ib_value(p, idx);
1256 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1257 		track->db_s_write_bo = reloc->robj;
1258 		track->db_dirty = true;
1259 		break;
1260 	case VGT_STRMOUT_CONFIG:
1261 		track->vgt_strmout_config = radeon_get_ib_value(p, idx);
1262 		track->streamout_dirty = true;
1263 		break;
1264 	case VGT_STRMOUT_BUFFER_CONFIG:
1265 		track->vgt_strmout_buffer_config = radeon_get_ib_value(p, idx);
1266 		track->streamout_dirty = true;
1267 		break;
1268 	case VGT_STRMOUT_BUFFER_BASE_0:
1269 	case VGT_STRMOUT_BUFFER_BASE_1:
1270 	case VGT_STRMOUT_BUFFER_BASE_2:
1271 	case VGT_STRMOUT_BUFFER_BASE_3:
1272 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1273 		if (r) {
1274 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1275 					"0x%04X\n", reg);
1276 			return -EINVAL;
1277 		}
1278 		tmp = (reg - VGT_STRMOUT_BUFFER_BASE_0) / 16;
1279 		track->vgt_strmout_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1280 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1281 		track->vgt_strmout_bo[tmp] = reloc->robj;
1282 		track->streamout_dirty = true;
1283 		break;
1284 	case VGT_STRMOUT_BUFFER_SIZE_0:
1285 	case VGT_STRMOUT_BUFFER_SIZE_1:
1286 	case VGT_STRMOUT_BUFFER_SIZE_2:
1287 	case VGT_STRMOUT_BUFFER_SIZE_3:
1288 		tmp = (reg - VGT_STRMOUT_BUFFER_SIZE_0) / 16;
1289 		/* size in register is DWs, convert to bytes */
1290 		track->vgt_strmout_size[tmp] = radeon_get_ib_value(p, idx) * 4;
1291 		track->streamout_dirty = true;
1292 		break;
1293 	case CP_COHER_BASE:
1294 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1295 		if (r) {
1296 			dev_warn(p->dev, "missing reloc for CP_COHER_BASE "
1297 					"0x%04X\n", reg);
1298 			return -EINVAL;
1299 		}
1300 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1301 	case CB_TARGET_MASK:
1302 		track->cb_target_mask = radeon_get_ib_value(p, idx);
1303 		track->cb_dirty = true;
1304 		break;
1305 	case CB_SHADER_MASK:
1306 		track->cb_shader_mask = radeon_get_ib_value(p, idx);
1307 		track->cb_dirty = true;
1308 		break;
1309 	case PA_SC_AA_CONFIG:
1310 		if (p->rdev->family >= CHIP_CAYMAN) {
1311 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1312 				 "0x%04X\n", reg);
1313 			return -EINVAL;
1314 		}
1315 		tmp = radeon_get_ib_value(p, idx) & MSAA_NUM_SAMPLES_MASK;
1316 		track->nsamples = 1 << tmp;
1317 		break;
1318 	case CAYMAN_PA_SC_AA_CONFIG:
1319 		if (p->rdev->family < CHIP_CAYMAN) {
1320 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1321 				 "0x%04X\n", reg);
1322 			return -EINVAL;
1323 		}
1324 		tmp = radeon_get_ib_value(p, idx) & CAYMAN_MSAA_NUM_SAMPLES_MASK;
1325 		track->nsamples = 1 << tmp;
1326 		break;
1327 	case CB_COLOR0_VIEW:
1328 	case CB_COLOR1_VIEW:
1329 	case CB_COLOR2_VIEW:
1330 	case CB_COLOR3_VIEW:
1331 	case CB_COLOR4_VIEW:
1332 	case CB_COLOR5_VIEW:
1333 	case CB_COLOR6_VIEW:
1334 	case CB_COLOR7_VIEW:
1335 		tmp = (reg - CB_COLOR0_VIEW) / 0x3c;
1336 		track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
1337 		track->cb_dirty = true;
1338 		break;
1339 	case CB_COLOR8_VIEW:
1340 	case CB_COLOR9_VIEW:
1341 	case CB_COLOR10_VIEW:
1342 	case CB_COLOR11_VIEW:
1343 		tmp = ((reg - CB_COLOR8_VIEW) / 0x1c) + 8;
1344 		track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
1345 		track->cb_dirty = true;
1346 		break;
1347 	case CB_COLOR0_INFO:
1348 	case CB_COLOR1_INFO:
1349 	case CB_COLOR2_INFO:
1350 	case CB_COLOR3_INFO:
1351 	case CB_COLOR4_INFO:
1352 	case CB_COLOR5_INFO:
1353 	case CB_COLOR6_INFO:
1354 	case CB_COLOR7_INFO:
1355 		tmp = (reg - CB_COLOR0_INFO) / 0x3c;
1356 		track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1357 		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1358 			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1359 			if (r) {
1360 				dev_warn(p->dev, "bad SET_CONTEXT_REG "
1361 						"0x%04X\n", reg);
1362 				return -EINVAL;
1363 			}
1364 			ib[idx] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
1365 			track->cb_color_info[tmp] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
1366 		}
1367 		track->cb_dirty = true;
1368 		break;
1369 	case CB_COLOR8_INFO:
1370 	case CB_COLOR9_INFO:
1371 	case CB_COLOR10_INFO:
1372 	case CB_COLOR11_INFO:
1373 		tmp = ((reg - CB_COLOR8_INFO) / 0x1c) + 8;
1374 		track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1375 		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1376 			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1377 			if (r) {
1378 				dev_warn(p->dev, "bad SET_CONTEXT_REG "
1379 						"0x%04X\n", reg);
1380 				return -EINVAL;
1381 			}
1382 			ib[idx] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
1383 			track->cb_color_info[tmp] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
1384 		}
1385 		track->cb_dirty = true;
1386 		break;
1387 	case CB_COLOR0_PITCH:
1388 	case CB_COLOR1_PITCH:
1389 	case CB_COLOR2_PITCH:
1390 	case CB_COLOR3_PITCH:
1391 	case CB_COLOR4_PITCH:
1392 	case CB_COLOR5_PITCH:
1393 	case CB_COLOR6_PITCH:
1394 	case CB_COLOR7_PITCH:
1395 		tmp = (reg - CB_COLOR0_PITCH) / 0x3c;
1396 		track->cb_color_pitch[tmp] = radeon_get_ib_value(p, idx);
1397 		track->cb_dirty = true;
1398 		break;
1399 	case CB_COLOR8_PITCH:
1400 	case CB_COLOR9_PITCH:
1401 	case CB_COLOR10_PITCH:
1402 	case CB_COLOR11_PITCH:
1403 		tmp = ((reg - CB_COLOR8_PITCH) / 0x1c) + 8;
1404 		track->cb_color_pitch[tmp] = radeon_get_ib_value(p, idx);
1405 		track->cb_dirty = true;
1406 		break;
1407 	case CB_COLOR0_SLICE:
1408 	case CB_COLOR1_SLICE:
1409 	case CB_COLOR2_SLICE:
1410 	case CB_COLOR3_SLICE:
1411 	case CB_COLOR4_SLICE:
1412 	case CB_COLOR5_SLICE:
1413 	case CB_COLOR6_SLICE:
1414 	case CB_COLOR7_SLICE:
1415 		tmp = (reg - CB_COLOR0_SLICE) / 0x3c;
1416 		track->cb_color_slice[tmp] = radeon_get_ib_value(p, idx);
1417 		track->cb_color_slice_idx[tmp] = idx;
1418 		track->cb_dirty = true;
1419 		break;
1420 	case CB_COLOR8_SLICE:
1421 	case CB_COLOR9_SLICE:
1422 	case CB_COLOR10_SLICE:
1423 	case CB_COLOR11_SLICE:
1424 		tmp = ((reg - CB_COLOR8_SLICE) / 0x1c) + 8;
1425 		track->cb_color_slice[tmp] = radeon_get_ib_value(p, idx);
1426 		track->cb_color_slice_idx[tmp] = idx;
1427 		track->cb_dirty = true;
1428 		break;
1429 	case CB_COLOR0_ATTRIB:
1430 	case CB_COLOR1_ATTRIB:
1431 	case CB_COLOR2_ATTRIB:
1432 	case CB_COLOR3_ATTRIB:
1433 	case CB_COLOR4_ATTRIB:
1434 	case CB_COLOR5_ATTRIB:
1435 	case CB_COLOR6_ATTRIB:
1436 	case CB_COLOR7_ATTRIB:
1437 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1438 		if (r) {
1439 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1440 					"0x%04X\n", reg);
1441 			return -EINVAL;
1442 		}
1443 		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1444 			if (reloc->tiling_flags & RADEON_TILING_MACRO) {
1445 				unsigned bankw, bankh, mtaspect, tile_split;
1446 
1447 				evergreen_tiling_fields(reloc->tiling_flags,
1448 							&bankw, &bankh, &mtaspect,
1449 							&tile_split);
1450 				ib[idx] |= CB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
1451 				ib[idx] |= CB_TILE_SPLIT(tile_split) |
1452 					   CB_BANK_WIDTH(bankw) |
1453 					   CB_BANK_HEIGHT(bankh) |
1454 					   CB_MACRO_TILE_ASPECT(mtaspect);
1455 			}
1456 		}
1457 		tmp = ((reg - CB_COLOR0_ATTRIB) / 0x3c);
1458 		track->cb_color_attrib[tmp] = ib[idx];
1459 		track->cb_dirty = true;
1460 		break;
1461 	case CB_COLOR8_ATTRIB:
1462 	case CB_COLOR9_ATTRIB:
1463 	case CB_COLOR10_ATTRIB:
1464 	case CB_COLOR11_ATTRIB:
1465 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1466 		if (r) {
1467 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1468 					"0x%04X\n", reg);
1469 			return -EINVAL;
1470 		}
1471 		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1472 			if (reloc->tiling_flags & RADEON_TILING_MACRO) {
1473 				unsigned bankw, bankh, mtaspect, tile_split;
1474 
1475 				evergreen_tiling_fields(reloc->tiling_flags,
1476 							&bankw, &bankh, &mtaspect,
1477 							&tile_split);
1478 				ib[idx] |= CB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
1479 				ib[idx] |= CB_TILE_SPLIT(tile_split) |
1480 					   CB_BANK_WIDTH(bankw) |
1481 					   CB_BANK_HEIGHT(bankh) |
1482 					   CB_MACRO_TILE_ASPECT(mtaspect);
1483 			}
1484 		}
1485 		tmp = ((reg - CB_COLOR8_ATTRIB) / 0x1c) + 8;
1486 		track->cb_color_attrib[tmp] = ib[idx];
1487 		track->cb_dirty = true;
1488 		break;
1489 	case CB_COLOR0_FMASK:
1490 	case CB_COLOR1_FMASK:
1491 	case CB_COLOR2_FMASK:
1492 	case CB_COLOR3_FMASK:
1493 	case CB_COLOR4_FMASK:
1494 	case CB_COLOR5_FMASK:
1495 	case CB_COLOR6_FMASK:
1496 	case CB_COLOR7_FMASK:
1497 		tmp = (reg - CB_COLOR0_FMASK) / 0x3c;
1498 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1499 		if (r) {
1500 			dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1501 			return -EINVAL;
1502 		}
1503 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1504 		track->cb_color_fmask_bo[tmp] = reloc->robj;
1505 		break;
1506 	case CB_COLOR0_CMASK:
1507 	case CB_COLOR1_CMASK:
1508 	case CB_COLOR2_CMASK:
1509 	case CB_COLOR3_CMASK:
1510 	case CB_COLOR4_CMASK:
1511 	case CB_COLOR5_CMASK:
1512 	case CB_COLOR6_CMASK:
1513 	case CB_COLOR7_CMASK:
1514 		tmp = (reg - CB_COLOR0_CMASK) / 0x3c;
1515 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1516 		if (r) {
1517 			dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1518 			return -EINVAL;
1519 		}
1520 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1521 		track->cb_color_cmask_bo[tmp] = reloc->robj;
1522 		break;
1523 	case CB_COLOR0_FMASK_SLICE:
1524 	case CB_COLOR1_FMASK_SLICE:
1525 	case CB_COLOR2_FMASK_SLICE:
1526 	case CB_COLOR3_FMASK_SLICE:
1527 	case CB_COLOR4_FMASK_SLICE:
1528 	case CB_COLOR5_FMASK_SLICE:
1529 	case CB_COLOR6_FMASK_SLICE:
1530 	case CB_COLOR7_FMASK_SLICE:
1531 		tmp = (reg - CB_COLOR0_FMASK_SLICE) / 0x3c;
1532 		track->cb_color_fmask_slice[tmp] = radeon_get_ib_value(p, idx);
1533 		break;
1534 	case CB_COLOR0_CMASK_SLICE:
1535 	case CB_COLOR1_CMASK_SLICE:
1536 	case CB_COLOR2_CMASK_SLICE:
1537 	case CB_COLOR3_CMASK_SLICE:
1538 	case CB_COLOR4_CMASK_SLICE:
1539 	case CB_COLOR5_CMASK_SLICE:
1540 	case CB_COLOR6_CMASK_SLICE:
1541 	case CB_COLOR7_CMASK_SLICE:
1542 		tmp = (reg - CB_COLOR0_CMASK_SLICE) / 0x3c;
1543 		track->cb_color_cmask_slice[tmp] = radeon_get_ib_value(p, idx);
1544 		break;
1545 	case CB_COLOR0_BASE:
1546 	case CB_COLOR1_BASE:
1547 	case CB_COLOR2_BASE:
1548 	case CB_COLOR3_BASE:
1549 	case CB_COLOR4_BASE:
1550 	case CB_COLOR5_BASE:
1551 	case CB_COLOR6_BASE:
1552 	case CB_COLOR7_BASE:
1553 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1554 		if (r) {
1555 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1556 					"0x%04X\n", reg);
1557 			return -EINVAL;
1558 		}
1559 		tmp = (reg - CB_COLOR0_BASE) / 0x3c;
1560 		track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx);
1561 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1562 		track->cb_color_bo[tmp] = reloc->robj;
1563 		track->cb_dirty = true;
1564 		break;
1565 	case CB_COLOR8_BASE:
1566 	case CB_COLOR9_BASE:
1567 	case CB_COLOR10_BASE:
1568 	case CB_COLOR11_BASE:
1569 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1570 		if (r) {
1571 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1572 					"0x%04X\n", reg);
1573 			return -EINVAL;
1574 		}
1575 		tmp = ((reg - CB_COLOR8_BASE) / 0x1c) + 8;
1576 		track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx);
1577 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1578 		track->cb_color_bo[tmp] = reloc->robj;
1579 		track->cb_dirty = true;
1580 		break;
1581 	case DB_HTILE_DATA_BASE:
1582 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1583 		if (r) {
1584 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1585 					"0x%04X\n", reg);
1586 			return -EINVAL;
1587 		}
1588 		track->htile_offset = radeon_get_ib_value(p, idx);
1589 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1590 		track->htile_bo = reloc->robj;
1591 		track->db_dirty = true;
1592 		break;
1593 	case DB_HTILE_SURFACE:
1594 		/* 8x8 only */
1595 		track->htile_surface = radeon_get_ib_value(p, idx);
1596 		/* force 8x8 htile width and height */
1597 		ib[idx] |= 3;
1598 		track->db_dirty = true;
1599 		break;
1600 	case CB_IMMED0_BASE:
1601 	case CB_IMMED1_BASE:
1602 	case CB_IMMED2_BASE:
1603 	case CB_IMMED3_BASE:
1604 	case CB_IMMED4_BASE:
1605 	case CB_IMMED5_BASE:
1606 	case CB_IMMED6_BASE:
1607 	case CB_IMMED7_BASE:
1608 	case CB_IMMED8_BASE:
1609 	case CB_IMMED9_BASE:
1610 	case CB_IMMED10_BASE:
1611 	case CB_IMMED11_BASE:
1612 	case SQ_PGM_START_FS:
1613 	case SQ_PGM_START_ES:
1614 	case SQ_PGM_START_VS:
1615 	case SQ_PGM_START_GS:
1616 	case SQ_PGM_START_PS:
1617 	case SQ_PGM_START_HS:
1618 	case SQ_PGM_START_LS:
1619 	case SQ_CONST_MEM_BASE:
1620 	case SQ_ALU_CONST_CACHE_GS_0:
1621 	case SQ_ALU_CONST_CACHE_GS_1:
1622 	case SQ_ALU_CONST_CACHE_GS_2:
1623 	case SQ_ALU_CONST_CACHE_GS_3:
1624 	case SQ_ALU_CONST_CACHE_GS_4:
1625 	case SQ_ALU_CONST_CACHE_GS_5:
1626 	case SQ_ALU_CONST_CACHE_GS_6:
1627 	case SQ_ALU_CONST_CACHE_GS_7:
1628 	case SQ_ALU_CONST_CACHE_GS_8:
1629 	case SQ_ALU_CONST_CACHE_GS_9:
1630 	case SQ_ALU_CONST_CACHE_GS_10:
1631 	case SQ_ALU_CONST_CACHE_GS_11:
1632 	case SQ_ALU_CONST_CACHE_GS_12:
1633 	case SQ_ALU_CONST_CACHE_GS_13:
1634 	case SQ_ALU_CONST_CACHE_GS_14:
1635 	case SQ_ALU_CONST_CACHE_GS_15:
1636 	case SQ_ALU_CONST_CACHE_PS_0:
1637 	case SQ_ALU_CONST_CACHE_PS_1:
1638 	case SQ_ALU_CONST_CACHE_PS_2:
1639 	case SQ_ALU_CONST_CACHE_PS_3:
1640 	case SQ_ALU_CONST_CACHE_PS_4:
1641 	case SQ_ALU_CONST_CACHE_PS_5:
1642 	case SQ_ALU_CONST_CACHE_PS_6:
1643 	case SQ_ALU_CONST_CACHE_PS_7:
1644 	case SQ_ALU_CONST_CACHE_PS_8:
1645 	case SQ_ALU_CONST_CACHE_PS_9:
1646 	case SQ_ALU_CONST_CACHE_PS_10:
1647 	case SQ_ALU_CONST_CACHE_PS_11:
1648 	case SQ_ALU_CONST_CACHE_PS_12:
1649 	case SQ_ALU_CONST_CACHE_PS_13:
1650 	case SQ_ALU_CONST_CACHE_PS_14:
1651 	case SQ_ALU_CONST_CACHE_PS_15:
1652 	case SQ_ALU_CONST_CACHE_VS_0:
1653 	case SQ_ALU_CONST_CACHE_VS_1:
1654 	case SQ_ALU_CONST_CACHE_VS_2:
1655 	case SQ_ALU_CONST_CACHE_VS_3:
1656 	case SQ_ALU_CONST_CACHE_VS_4:
1657 	case SQ_ALU_CONST_CACHE_VS_5:
1658 	case SQ_ALU_CONST_CACHE_VS_6:
1659 	case SQ_ALU_CONST_CACHE_VS_7:
1660 	case SQ_ALU_CONST_CACHE_VS_8:
1661 	case SQ_ALU_CONST_CACHE_VS_9:
1662 	case SQ_ALU_CONST_CACHE_VS_10:
1663 	case SQ_ALU_CONST_CACHE_VS_11:
1664 	case SQ_ALU_CONST_CACHE_VS_12:
1665 	case SQ_ALU_CONST_CACHE_VS_13:
1666 	case SQ_ALU_CONST_CACHE_VS_14:
1667 	case SQ_ALU_CONST_CACHE_VS_15:
1668 	case SQ_ALU_CONST_CACHE_HS_0:
1669 	case SQ_ALU_CONST_CACHE_HS_1:
1670 	case SQ_ALU_CONST_CACHE_HS_2:
1671 	case SQ_ALU_CONST_CACHE_HS_3:
1672 	case SQ_ALU_CONST_CACHE_HS_4:
1673 	case SQ_ALU_CONST_CACHE_HS_5:
1674 	case SQ_ALU_CONST_CACHE_HS_6:
1675 	case SQ_ALU_CONST_CACHE_HS_7:
1676 	case SQ_ALU_CONST_CACHE_HS_8:
1677 	case SQ_ALU_CONST_CACHE_HS_9:
1678 	case SQ_ALU_CONST_CACHE_HS_10:
1679 	case SQ_ALU_CONST_CACHE_HS_11:
1680 	case SQ_ALU_CONST_CACHE_HS_12:
1681 	case SQ_ALU_CONST_CACHE_HS_13:
1682 	case SQ_ALU_CONST_CACHE_HS_14:
1683 	case SQ_ALU_CONST_CACHE_HS_15:
1684 	case SQ_ALU_CONST_CACHE_LS_0:
1685 	case SQ_ALU_CONST_CACHE_LS_1:
1686 	case SQ_ALU_CONST_CACHE_LS_2:
1687 	case SQ_ALU_CONST_CACHE_LS_3:
1688 	case SQ_ALU_CONST_CACHE_LS_4:
1689 	case SQ_ALU_CONST_CACHE_LS_5:
1690 	case SQ_ALU_CONST_CACHE_LS_6:
1691 	case SQ_ALU_CONST_CACHE_LS_7:
1692 	case SQ_ALU_CONST_CACHE_LS_8:
1693 	case SQ_ALU_CONST_CACHE_LS_9:
1694 	case SQ_ALU_CONST_CACHE_LS_10:
1695 	case SQ_ALU_CONST_CACHE_LS_11:
1696 	case SQ_ALU_CONST_CACHE_LS_12:
1697 	case SQ_ALU_CONST_CACHE_LS_13:
1698 	case SQ_ALU_CONST_CACHE_LS_14:
1699 	case SQ_ALU_CONST_CACHE_LS_15:
1700 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1701 		if (r) {
1702 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1703 					"0x%04X\n", reg);
1704 			return -EINVAL;
1705 		}
1706 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1707 		break;
1708 	case SX_MEMORY_EXPORT_BASE:
1709 		if (p->rdev->family >= CHIP_CAYMAN) {
1710 			dev_warn(p->dev, "bad SET_CONFIG_REG "
1711 				 "0x%04X\n", reg);
1712 			return -EINVAL;
1713 		}
1714 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1715 		if (r) {
1716 			dev_warn(p->dev, "bad SET_CONFIG_REG "
1717 					"0x%04X\n", reg);
1718 			return -EINVAL;
1719 		}
1720 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1721 		break;
1722 	case CAYMAN_SX_SCATTER_EXPORT_BASE:
1723 		if (p->rdev->family < CHIP_CAYMAN) {
1724 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1725 				 "0x%04X\n", reg);
1726 			return -EINVAL;
1727 		}
1728 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1729 		if (r) {
1730 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1731 					"0x%04X\n", reg);
1732 			return -EINVAL;
1733 		}
1734 		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1735 		break;
1736 	case SX_MISC:
1737 		track->sx_misc_kill_all_prims = (radeon_get_ib_value(p, idx) & 0x1) != 0;
1738 		break;
1739 	default:
1740 		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1741 		return -EINVAL;
1742 	}
1743 	return 0;
1744 }
1745 
1746 /**
1747  * evergreen_is_safe_reg() - check if register is authorized or not
1748  * @parser: parser structure holding parsing context
1749  * @reg: register we are testing
1750  *
1751  * This function will test against reg_safe_bm and return true
1752  * if register is safe or false otherwise.
1753  */
1754 static inline bool evergreen_is_safe_reg(struct radeon_cs_parser *p, u32 reg)
1755 {
1756 	struct evergreen_cs_track *track = p->track;
1757 	u32 m, i;
1758 
1759 	i = (reg >> 7);
1760 	if (unlikely(i >= REG_SAFE_BM_SIZE)) {
1761 		return false;
1762 	}
1763 	m = 1 << ((reg >> 2) & 31);
1764 	if (!(track->reg_safe_bm[i] & m))
1765 		return true;
1766 
1767 	return false;
1768 }
1769 
1770 static int evergreen_packet3_check(struct radeon_cs_parser *p,
1771 				   struct radeon_cs_packet *pkt)
1772 {
1773 	struct radeon_bo_list *reloc;
1774 	struct evergreen_cs_track *track;
1775 	uint32_t *ib;
1776 	unsigned idx;
1777 	unsigned i;
1778 	unsigned start_reg, end_reg, reg;
1779 	int r;
1780 	u32 idx_value;
1781 
1782 	track = (struct evergreen_cs_track *)p->track;
1783 	ib = p->ib.ptr;
1784 	idx = pkt->idx + 1;
1785 	idx_value = radeon_get_ib_value(p, idx);
1786 
1787 	switch (pkt->opcode) {
1788 	case PACKET3_SET_PREDICATION:
1789 	{
1790 		int pred_op;
1791 		int tmp;
1792 		uint64_t offset;
1793 
1794 		if (pkt->count != 1) {
1795 			DRM_ERROR("bad SET PREDICATION\n");
1796 			return -EINVAL;
1797 		}
1798 
1799 		tmp = radeon_get_ib_value(p, idx + 1);
1800 		pred_op = (tmp >> 16) & 0x7;
1801 
1802 		/* for the clear predicate operation */
1803 		if (pred_op == 0)
1804 			return 0;
1805 
1806 		if (pred_op > 2) {
1807 			DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op);
1808 			return -EINVAL;
1809 		}
1810 
1811 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1812 		if (r) {
1813 			DRM_ERROR("bad SET PREDICATION\n");
1814 			return -EINVAL;
1815 		}
1816 
1817 		offset = reloc->gpu_offset +
1818 		         (idx_value & 0xfffffff0) +
1819 		         ((u64)(tmp & 0xff) << 32);
1820 
1821 		ib[idx + 0] = offset;
1822 		ib[idx + 1] = (tmp & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1823 	}
1824 	break;
1825 	case PACKET3_CONTEXT_CONTROL:
1826 		if (pkt->count != 1) {
1827 			DRM_ERROR("bad CONTEXT_CONTROL\n");
1828 			return -EINVAL;
1829 		}
1830 		break;
1831 	case PACKET3_INDEX_TYPE:
1832 	case PACKET3_NUM_INSTANCES:
1833 	case PACKET3_CLEAR_STATE:
1834 		if (pkt->count) {
1835 			DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES/CLEAR_STATE\n");
1836 			return -EINVAL;
1837 		}
1838 		break;
1839 	case CAYMAN_PACKET3_DEALLOC_STATE:
1840 		if (p->rdev->family < CHIP_CAYMAN) {
1841 			DRM_ERROR("bad PACKET3_DEALLOC_STATE\n");
1842 			return -EINVAL;
1843 		}
1844 		if (pkt->count) {
1845 			DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES/CLEAR_STATE\n");
1846 			return -EINVAL;
1847 		}
1848 		break;
1849 	case PACKET3_INDEX_BASE:
1850 	{
1851 		uint64_t offset;
1852 
1853 		if (pkt->count != 1) {
1854 			DRM_ERROR("bad INDEX_BASE\n");
1855 			return -EINVAL;
1856 		}
1857 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1858 		if (r) {
1859 			DRM_ERROR("bad INDEX_BASE\n");
1860 			return -EINVAL;
1861 		}
1862 
1863 		offset = reloc->gpu_offset +
1864 		         idx_value +
1865 		         ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1866 
1867 		ib[idx+0] = offset;
1868 		ib[idx+1] = upper_32_bits(offset) & 0xff;
1869 
1870 		r = evergreen_cs_track_check(p);
1871 		if (r) {
1872 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1873 			return r;
1874 		}
1875 		break;
1876 	}
1877 	case PACKET3_INDEX_BUFFER_SIZE:
1878 	{
1879 		if (pkt->count != 0) {
1880 			DRM_ERROR("bad INDEX_BUFFER_SIZE\n");
1881 			return -EINVAL;
1882 		}
1883 		break;
1884 	}
1885 	case PACKET3_DRAW_INDEX:
1886 	{
1887 		uint64_t offset;
1888 		if (pkt->count != 3) {
1889 			DRM_ERROR("bad DRAW_INDEX\n");
1890 			return -EINVAL;
1891 		}
1892 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1893 		if (r) {
1894 			DRM_ERROR("bad DRAW_INDEX\n");
1895 			return -EINVAL;
1896 		}
1897 
1898 		offset = reloc->gpu_offset +
1899 		         idx_value +
1900 		         ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1901 
1902 		ib[idx+0] = offset;
1903 		ib[idx+1] = upper_32_bits(offset) & 0xff;
1904 
1905 		r = evergreen_cs_track_check(p);
1906 		if (r) {
1907 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1908 			return r;
1909 		}
1910 		break;
1911 	}
1912 	case PACKET3_DRAW_INDEX_2:
1913 	{
1914 		uint64_t offset;
1915 
1916 		if (pkt->count != 4) {
1917 			DRM_ERROR("bad DRAW_INDEX_2\n");
1918 			return -EINVAL;
1919 		}
1920 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1921 		if (r) {
1922 			DRM_ERROR("bad DRAW_INDEX_2\n");
1923 			return -EINVAL;
1924 		}
1925 
1926 		offset = reloc->gpu_offset +
1927 		         radeon_get_ib_value(p, idx+1) +
1928 		         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1929 
1930 		ib[idx+1] = offset;
1931 		ib[idx+2] = upper_32_bits(offset) & 0xff;
1932 
1933 		r = evergreen_cs_track_check(p);
1934 		if (r) {
1935 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1936 			return r;
1937 		}
1938 		break;
1939 	}
1940 	case PACKET3_DRAW_INDEX_AUTO:
1941 		if (pkt->count != 1) {
1942 			DRM_ERROR("bad DRAW_INDEX_AUTO\n");
1943 			return -EINVAL;
1944 		}
1945 		r = evergreen_cs_track_check(p);
1946 		if (r) {
1947 			dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
1948 			return r;
1949 		}
1950 		break;
1951 	case PACKET3_DRAW_INDEX_MULTI_AUTO:
1952 		if (pkt->count != 2) {
1953 			DRM_ERROR("bad DRAW_INDEX_MULTI_AUTO\n");
1954 			return -EINVAL;
1955 		}
1956 		r = evergreen_cs_track_check(p);
1957 		if (r) {
1958 			dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
1959 			return r;
1960 		}
1961 		break;
1962 	case PACKET3_DRAW_INDEX_IMMD:
1963 		if (pkt->count < 2) {
1964 			DRM_ERROR("bad DRAW_INDEX_IMMD\n");
1965 			return -EINVAL;
1966 		}
1967 		r = evergreen_cs_track_check(p);
1968 		if (r) {
1969 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1970 			return r;
1971 		}
1972 		break;
1973 	case PACKET3_DRAW_INDEX_OFFSET:
1974 		if (pkt->count != 2) {
1975 			DRM_ERROR("bad DRAW_INDEX_OFFSET\n");
1976 			return -EINVAL;
1977 		}
1978 		r = evergreen_cs_track_check(p);
1979 		if (r) {
1980 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1981 			return r;
1982 		}
1983 		break;
1984 	case PACKET3_DRAW_INDEX_OFFSET_2:
1985 		if (pkt->count != 3) {
1986 			DRM_ERROR("bad DRAW_INDEX_OFFSET_2\n");
1987 			return -EINVAL;
1988 		}
1989 		r = evergreen_cs_track_check(p);
1990 		if (r) {
1991 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1992 			return r;
1993 		}
1994 		break;
1995 	case PACKET3_SET_BASE:
1996 	{
1997 		/*
1998 		DW 1 HEADER Header of the packet. Shader_Type in bit 1 of the Header will correspond to the shader type of the Load, see Type-3 Packet.
1999 		   2 BASE_INDEX Bits [3:0] BASE_INDEX - Base Index specifies which base address is specified in the last two DWs.
2000 		     0001: DX11 Draw_Index_Indirect Patch Table Base: Base address for Draw_Index_Indirect data.
2001 		   3 ADDRESS_LO Bits [31:3] - Lower bits of QWORD-Aligned Address. Bits [2:0] - Reserved
2002 		   4 ADDRESS_HI Bits [31:8] - Reserved. Bits [7:0] - Upper bits of Address [47:32]
2003 		*/
2004 		if (pkt->count != 2) {
2005 			DRM_ERROR("bad SET_BASE\n");
2006 			return -EINVAL;
2007 		}
2008 
2009 		/* currently only supporting setting indirect draw buffer base address */
2010 		if (idx_value != 1) {
2011 			DRM_ERROR("bad SET_BASE\n");
2012 			return -EINVAL;
2013 		}
2014 
2015 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2016 		if (r) {
2017 			DRM_ERROR("bad SET_BASE\n");
2018 			return -EINVAL;
2019 		}
2020 
2021 		track->indirect_draw_buffer_size = radeon_bo_size(reloc->robj);
2022 
2023 		ib[idx+1] = reloc->gpu_offset;
2024 		ib[idx+2] = upper_32_bits(reloc->gpu_offset) & 0xff;
2025 
2026 		break;
2027 	}
2028 	case PACKET3_DRAW_INDIRECT:
2029 	case PACKET3_DRAW_INDEX_INDIRECT:
2030 	{
2031 		u64 size = pkt->opcode == PACKET3_DRAW_INDIRECT ? 16 : 20;
2032 
2033 		/*
2034 		DW 1 HEADER
2035 		   2 DATA_OFFSET Bits [31:0] + byte aligned offset where the required data structure starts. Bits 1:0 are zero
2036 		   3 DRAW_INITIATOR Draw Initiator Register. Written to the VGT_DRAW_INITIATOR register for the assigned context
2037 		*/
2038 		if (pkt->count != 1) {
2039 			DRM_ERROR("bad DRAW_INDIRECT\n");
2040 			return -EINVAL;
2041 		}
2042 
2043 		if (idx_value + size > track->indirect_draw_buffer_size) {
2044 			dev_warn(p->dev, "DRAW_INDIRECT buffer too small %u + %llu > %lu\n",
2045 				idx_value, size, track->indirect_draw_buffer_size);
2046 			return -EINVAL;
2047 		}
2048 
2049 		r = evergreen_cs_track_check(p);
2050 		if (r) {
2051 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
2052 			return r;
2053 		}
2054 		break;
2055 	}
2056 	case PACKET3_DISPATCH_DIRECT:
2057 		if (pkt->count != 3) {
2058 			DRM_ERROR("bad DISPATCH_DIRECT\n");
2059 			return -EINVAL;
2060 		}
2061 		r = evergreen_cs_track_check(p);
2062 		if (r) {
2063 			dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
2064 			return r;
2065 		}
2066 		break;
2067 	case PACKET3_DISPATCH_INDIRECT:
2068 		if (pkt->count != 1) {
2069 			DRM_ERROR("bad DISPATCH_INDIRECT\n");
2070 			return -EINVAL;
2071 		}
2072 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2073 		if (r) {
2074 			DRM_ERROR("bad DISPATCH_INDIRECT\n");
2075 			return -EINVAL;
2076 		}
2077 		ib[idx+0] = idx_value + (u32)(reloc->gpu_offset & 0xffffffff);
2078 		r = evergreen_cs_track_check(p);
2079 		if (r) {
2080 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
2081 			return r;
2082 		}
2083 		break;
2084 	case PACKET3_WAIT_REG_MEM:
2085 		if (pkt->count != 5) {
2086 			DRM_ERROR("bad WAIT_REG_MEM\n");
2087 			return -EINVAL;
2088 		}
2089 		/* bit 4 is reg (0) or mem (1) */
2090 		if (idx_value & 0x10) {
2091 			uint64_t offset;
2092 
2093 			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2094 			if (r) {
2095 				DRM_ERROR("bad WAIT_REG_MEM\n");
2096 				return -EINVAL;
2097 			}
2098 
2099 			offset = reloc->gpu_offset +
2100 			         (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
2101 			         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2102 
2103 			ib[idx+1] = (ib[idx+1] & 0x3) | (offset & 0xfffffffc);
2104 			ib[idx+2] = upper_32_bits(offset) & 0xff;
2105 		} else if (idx_value & 0x100) {
2106 			DRM_ERROR("cannot use PFP on REG wait\n");
2107 			return -EINVAL;
2108 		}
2109 		break;
2110 	case PACKET3_CP_DMA:
2111 	{
2112 		u32 command, size, info;
2113 		u64 offset, tmp;
2114 		if (pkt->count != 4) {
2115 			DRM_ERROR("bad CP DMA\n");
2116 			return -EINVAL;
2117 		}
2118 		command = radeon_get_ib_value(p, idx+4);
2119 		size = command & 0x1fffff;
2120 		info = radeon_get_ib_value(p, idx+1);
2121 		if ((((info & 0x60000000) >> 29) != 0) || /* src = GDS or DATA */
2122 		    (((info & 0x00300000) >> 20) != 0) || /* dst = GDS */
2123 		    ((((info & 0x00300000) >> 20) == 0) &&
2124 		     (command & PACKET3_CP_DMA_CMD_DAS)) || /* dst = register */
2125 		    ((((info & 0x60000000) >> 29) == 0) &&
2126 		     (command & PACKET3_CP_DMA_CMD_SAS))) { /* src = register */
2127 			/* non mem to mem copies requires dw aligned count */
2128 			if (size % 4) {
2129 				DRM_ERROR("CP DMA command requires dw count alignment\n");
2130 				return -EINVAL;
2131 			}
2132 		}
2133 		if (command & PACKET3_CP_DMA_CMD_SAS) {
2134 			/* src address space is register */
2135 			/* GDS is ok */
2136 			if (((info & 0x60000000) >> 29) != 1) {
2137 				DRM_ERROR("CP DMA SAS not supported\n");
2138 				return -EINVAL;
2139 			}
2140 		} else {
2141 			if (command & PACKET3_CP_DMA_CMD_SAIC) {
2142 				DRM_ERROR("CP DMA SAIC only supported for registers\n");
2143 				return -EINVAL;
2144 			}
2145 			/* src address space is memory */
2146 			if (((info & 0x60000000) >> 29) == 0) {
2147 				r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2148 				if (r) {
2149 					DRM_ERROR("bad CP DMA SRC\n");
2150 					return -EINVAL;
2151 				}
2152 
2153 				tmp = radeon_get_ib_value(p, idx) +
2154 					((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
2155 
2156 				offset = reloc->gpu_offset + tmp;
2157 
2158 				if ((tmp + size) > radeon_bo_size(reloc->robj)) {
2159 					dev_warn(p->dev, "CP DMA src buffer too small (%llu %lu)\n",
2160 						 tmp + size, radeon_bo_size(reloc->robj));
2161 					return -EINVAL;
2162 				}
2163 
2164 				ib[idx] = offset;
2165 				ib[idx+1] = (ib[idx+1] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
2166 			} else if (((info & 0x60000000) >> 29) != 2) {
2167 				DRM_ERROR("bad CP DMA SRC_SEL\n");
2168 				return -EINVAL;
2169 			}
2170 		}
2171 		if (command & PACKET3_CP_DMA_CMD_DAS) {
2172 			/* dst address space is register */
2173 			/* GDS is ok */
2174 			if (((info & 0x00300000) >> 20) != 1) {
2175 				DRM_ERROR("CP DMA DAS not supported\n");
2176 				return -EINVAL;
2177 			}
2178 		} else {
2179 			/* dst address space is memory */
2180 			if (command & PACKET3_CP_DMA_CMD_DAIC) {
2181 				DRM_ERROR("CP DMA DAIC only supported for registers\n");
2182 				return -EINVAL;
2183 			}
2184 			if (((info & 0x00300000) >> 20) == 0) {
2185 				r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2186 				if (r) {
2187 					DRM_ERROR("bad CP DMA DST\n");
2188 					return -EINVAL;
2189 				}
2190 
2191 				tmp = radeon_get_ib_value(p, idx+2) +
2192 					((u64)(radeon_get_ib_value(p, idx+3) & 0xff) << 32);
2193 
2194 				offset = reloc->gpu_offset + tmp;
2195 
2196 				if ((tmp + size) > radeon_bo_size(reloc->robj)) {
2197 					dev_warn(p->dev, "CP DMA dst buffer too small (%llu %lu)\n",
2198 						 tmp + size, radeon_bo_size(reloc->robj));
2199 					return -EINVAL;
2200 				}
2201 
2202 				ib[idx+2] = offset;
2203 				ib[idx+3] = upper_32_bits(offset) & 0xff;
2204 			} else {
2205 				DRM_ERROR("bad CP DMA DST_SEL\n");
2206 				return -EINVAL;
2207 			}
2208 		}
2209 		break;
2210 	}
2211 	case PACKET3_SURFACE_SYNC:
2212 		if (pkt->count != 3) {
2213 			DRM_ERROR("bad SURFACE_SYNC\n");
2214 			return -EINVAL;
2215 		}
2216 		/* 0xffffffff/0x0 is flush all cache flag */
2217 		if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
2218 		    radeon_get_ib_value(p, idx + 2) != 0) {
2219 			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2220 			if (r) {
2221 				DRM_ERROR("bad SURFACE_SYNC\n");
2222 				return -EINVAL;
2223 			}
2224 			ib[idx+2] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
2225 		}
2226 		break;
2227 	case PACKET3_EVENT_WRITE:
2228 		if (pkt->count != 2 && pkt->count != 0) {
2229 			DRM_ERROR("bad EVENT_WRITE\n");
2230 			return -EINVAL;
2231 		}
2232 		if (pkt->count) {
2233 			uint64_t offset;
2234 
2235 			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2236 			if (r) {
2237 				DRM_ERROR("bad EVENT_WRITE\n");
2238 				return -EINVAL;
2239 			}
2240 			offset = reloc->gpu_offset +
2241 			         (radeon_get_ib_value(p, idx+1) & 0xfffffff8) +
2242 			         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2243 
2244 			ib[idx+1] = offset & 0xfffffff8;
2245 			ib[idx+2] = upper_32_bits(offset) & 0xff;
2246 		}
2247 		break;
2248 	case PACKET3_EVENT_WRITE_EOP:
2249 	{
2250 		uint64_t offset;
2251 
2252 		if (pkt->count != 4) {
2253 			DRM_ERROR("bad EVENT_WRITE_EOP\n");
2254 			return -EINVAL;
2255 		}
2256 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2257 		if (r) {
2258 			DRM_ERROR("bad EVENT_WRITE_EOP\n");
2259 			return -EINVAL;
2260 		}
2261 
2262 		offset = reloc->gpu_offset +
2263 		         (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
2264 		         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2265 
2266 		ib[idx+1] = offset & 0xfffffffc;
2267 		ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
2268 		break;
2269 	}
2270 	case PACKET3_EVENT_WRITE_EOS:
2271 	{
2272 		uint64_t offset;
2273 
2274 		if (pkt->count != 3) {
2275 			DRM_ERROR("bad EVENT_WRITE_EOS\n");
2276 			return -EINVAL;
2277 		}
2278 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2279 		if (r) {
2280 			DRM_ERROR("bad EVENT_WRITE_EOS\n");
2281 			return -EINVAL;
2282 		}
2283 
2284 		offset = reloc->gpu_offset +
2285 		         (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
2286 		         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2287 
2288 		ib[idx+1] = offset & 0xfffffffc;
2289 		ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
2290 		break;
2291 	}
2292 	case PACKET3_SET_CONFIG_REG:
2293 		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
2294 		end_reg = 4 * pkt->count + start_reg - 4;
2295 		if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
2296 		    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
2297 		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
2298 			DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
2299 			return -EINVAL;
2300 		}
2301 		for (reg = start_reg, idx++; reg <= end_reg; reg += 4, idx++) {
2302 			if (evergreen_is_safe_reg(p, reg))
2303 				continue;
2304 			r = evergreen_cs_handle_reg(p, reg, idx);
2305 			if (r)
2306 				return r;
2307 		}
2308 		break;
2309 	case PACKET3_SET_CONTEXT_REG:
2310 		start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_START;
2311 		end_reg = 4 * pkt->count + start_reg - 4;
2312 		if ((start_reg < PACKET3_SET_CONTEXT_REG_START) ||
2313 		    (start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
2314 		    (end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
2315 			DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n");
2316 			return -EINVAL;
2317 		}
2318 		for (reg = start_reg, idx++; reg <= end_reg; reg += 4, idx++) {
2319 			if (evergreen_is_safe_reg(p, reg))
2320 				continue;
2321 			r = evergreen_cs_handle_reg(p, reg, idx);
2322 			if (r)
2323 				return r;
2324 		}
2325 		break;
2326 	case PACKET3_SET_RESOURCE:
2327 		if (pkt->count % 8) {
2328 			DRM_ERROR("bad SET_RESOURCE\n");
2329 			return -EINVAL;
2330 		}
2331 		start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_START;
2332 		end_reg = 4 * pkt->count + start_reg - 4;
2333 		if ((start_reg < PACKET3_SET_RESOURCE_START) ||
2334 		    (start_reg >= PACKET3_SET_RESOURCE_END) ||
2335 		    (end_reg >= PACKET3_SET_RESOURCE_END)) {
2336 			DRM_ERROR("bad SET_RESOURCE\n");
2337 			return -EINVAL;
2338 		}
2339 		for (i = 0; i < (pkt->count / 8); i++) {
2340 			struct radeon_bo *texture, *mipmap;
2341 			u32 toffset, moffset;
2342 			u32 size, offset, mip_address, tex_dim;
2343 
2344 			switch (G__SQ_CONSTANT_TYPE(radeon_get_ib_value(p, idx+1+(i*8)+7))) {
2345 			case SQ_TEX_VTX_VALID_TEXTURE:
2346 				/* tex base */
2347 				r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2348 				if (r) {
2349 					DRM_ERROR("bad SET_RESOURCE (tex)\n");
2350 					return -EINVAL;
2351 				}
2352 				if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
2353 					ib[idx+1+(i*8)+1] |=
2354 						TEX_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
2355 					if (reloc->tiling_flags & RADEON_TILING_MACRO) {
2356 						unsigned bankw, bankh, mtaspect, tile_split;
2357 
2358 						evergreen_tiling_fields(reloc->tiling_flags,
2359 									&bankw, &bankh, &mtaspect,
2360 									&tile_split);
2361 						ib[idx+1+(i*8)+6] |= TEX_TILE_SPLIT(tile_split);
2362 						ib[idx+1+(i*8)+7] |=
2363 							TEX_BANK_WIDTH(bankw) |
2364 							TEX_BANK_HEIGHT(bankh) |
2365 							MACRO_TILE_ASPECT(mtaspect) |
2366 							TEX_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
2367 					}
2368 				}
2369 				texture = reloc->robj;
2370 				toffset = (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
2371 
2372 				/* tex mip base */
2373 				tex_dim = ib[idx+1+(i*8)+0] & 0x7;
2374 				mip_address = ib[idx+1+(i*8)+3];
2375 
2376 				if ((tex_dim == SQ_TEX_DIM_2D_MSAA || tex_dim == SQ_TEX_DIM_2D_ARRAY_MSAA) &&
2377 				    !mip_address &&
2378 				    !radeon_cs_packet_next_is_pkt3_nop(p)) {
2379 					/* MIP_ADDRESS should point to FMASK for an MSAA texture.
2380 					 * It should be 0 if FMASK is disabled. */
2381 					moffset = 0;
2382 					mipmap = NULL;
2383 				} else {
2384 					r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2385 					if (r) {
2386 						DRM_ERROR("bad SET_RESOURCE (tex)\n");
2387 						return -EINVAL;
2388 					}
2389 					moffset = (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
2390 					mipmap = reloc->robj;
2391 				}
2392 
2393 				r = evergreen_cs_track_validate_texture(p, texture, mipmap, idx+1+(i*8));
2394 				if (r)
2395 					return r;
2396 				ib[idx+1+(i*8)+2] += toffset;
2397 				ib[idx+1+(i*8)+3] += moffset;
2398 				break;
2399 			case SQ_TEX_VTX_VALID_BUFFER:
2400 			{
2401 				uint64_t offset64;
2402 				/* vtx base */
2403 				r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2404 				if (r) {
2405 					DRM_ERROR("bad SET_RESOURCE (vtx)\n");
2406 					return -EINVAL;
2407 				}
2408 				offset = radeon_get_ib_value(p, idx+1+(i*8)+0);
2409 				size = radeon_get_ib_value(p, idx+1+(i*8)+1);
2410 				if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
2411 					/* force size to size of the buffer */
2412 					dev_warn(p->dev, "vbo resource seems too big for the bo\n");
2413 					ib[idx+1+(i*8)+1] = radeon_bo_size(reloc->robj) - offset;
2414 				}
2415 
2416 				offset64 = reloc->gpu_offset + offset;
2417 				ib[idx+1+(i*8)+0] = offset64;
2418 				ib[idx+1+(i*8)+2] = (ib[idx+1+(i*8)+2] & 0xffffff00) |
2419 						    (upper_32_bits(offset64) & 0xff);
2420 				break;
2421 			}
2422 			case SQ_TEX_VTX_INVALID_TEXTURE:
2423 			case SQ_TEX_VTX_INVALID_BUFFER:
2424 			default:
2425 				DRM_ERROR("bad SET_RESOURCE\n");
2426 				return -EINVAL;
2427 			}
2428 		}
2429 		break;
2430 	case PACKET3_SET_ALU_CONST:
2431 		/* XXX fix me ALU const buffers only */
2432 		break;
2433 	case PACKET3_SET_BOOL_CONST:
2434 		start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_START;
2435 		end_reg = 4 * pkt->count + start_reg - 4;
2436 		if ((start_reg < PACKET3_SET_BOOL_CONST_START) ||
2437 		    (start_reg >= PACKET3_SET_BOOL_CONST_END) ||
2438 		    (end_reg >= PACKET3_SET_BOOL_CONST_END)) {
2439 			DRM_ERROR("bad SET_BOOL_CONST\n");
2440 			return -EINVAL;
2441 		}
2442 		break;
2443 	case PACKET3_SET_LOOP_CONST:
2444 		start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_START;
2445 		end_reg = 4 * pkt->count + start_reg - 4;
2446 		if ((start_reg < PACKET3_SET_LOOP_CONST_START) ||
2447 		    (start_reg >= PACKET3_SET_LOOP_CONST_END) ||
2448 		    (end_reg >= PACKET3_SET_LOOP_CONST_END)) {
2449 			DRM_ERROR("bad SET_LOOP_CONST\n");
2450 			return -EINVAL;
2451 		}
2452 		break;
2453 	case PACKET3_SET_CTL_CONST:
2454 		start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_START;
2455 		end_reg = 4 * pkt->count + start_reg - 4;
2456 		if ((start_reg < PACKET3_SET_CTL_CONST_START) ||
2457 		    (start_reg >= PACKET3_SET_CTL_CONST_END) ||
2458 		    (end_reg >= PACKET3_SET_CTL_CONST_END)) {
2459 			DRM_ERROR("bad SET_CTL_CONST\n");
2460 			return -EINVAL;
2461 		}
2462 		break;
2463 	case PACKET3_SET_SAMPLER:
2464 		if (pkt->count % 3) {
2465 			DRM_ERROR("bad SET_SAMPLER\n");
2466 			return -EINVAL;
2467 		}
2468 		start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_START;
2469 		end_reg = 4 * pkt->count + start_reg - 4;
2470 		if ((start_reg < PACKET3_SET_SAMPLER_START) ||
2471 		    (start_reg >= PACKET3_SET_SAMPLER_END) ||
2472 		    (end_reg >= PACKET3_SET_SAMPLER_END)) {
2473 			DRM_ERROR("bad SET_SAMPLER\n");
2474 			return -EINVAL;
2475 		}
2476 		break;
2477 	case PACKET3_STRMOUT_BUFFER_UPDATE:
2478 		if (pkt->count != 4) {
2479 			DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (invalid count)\n");
2480 			return -EINVAL;
2481 		}
2482 		/* Updating memory at DST_ADDRESS. */
2483 		if (idx_value & 0x1) {
2484 			u64 offset;
2485 			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2486 			if (r) {
2487 				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing dst reloc)\n");
2488 				return -EINVAL;
2489 			}
2490 			offset = radeon_get_ib_value(p, idx+1);
2491 			offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2492 			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2493 				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE dst bo too small: 0x%llx, 0x%lx\n",
2494 					  offset + 4, radeon_bo_size(reloc->robj));
2495 				return -EINVAL;
2496 			}
2497 			offset += reloc->gpu_offset;
2498 			ib[idx+1] = offset;
2499 			ib[idx+2] = upper_32_bits(offset) & 0xff;
2500 		}
2501 		/* Reading data from SRC_ADDRESS. */
2502 		if (((idx_value >> 1) & 0x3) == 2) {
2503 			u64 offset;
2504 			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2505 			if (r) {
2506 				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing src reloc)\n");
2507 				return -EINVAL;
2508 			}
2509 			offset = radeon_get_ib_value(p, idx+3);
2510 			offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2511 			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2512 				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE src bo too small: 0x%llx, 0x%lx\n",
2513 					  offset + 4, radeon_bo_size(reloc->robj));
2514 				return -EINVAL;
2515 			}
2516 			offset += reloc->gpu_offset;
2517 			ib[idx+3] = offset;
2518 			ib[idx+4] = upper_32_bits(offset) & 0xff;
2519 		}
2520 		break;
2521 	case PACKET3_MEM_WRITE:
2522 	{
2523 		u64 offset;
2524 
2525 		if (pkt->count != 3) {
2526 			DRM_ERROR("bad MEM_WRITE (invalid count)\n");
2527 			return -EINVAL;
2528 		}
2529 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2530 		if (r) {
2531 			DRM_ERROR("bad MEM_WRITE (missing reloc)\n");
2532 			return -EINVAL;
2533 		}
2534 		offset = radeon_get_ib_value(p, idx+0);
2535 		offset += ((u64)(radeon_get_ib_value(p, idx+1) & 0xff)) << 32UL;
2536 		if (offset & 0x7) {
2537 			DRM_ERROR("bad MEM_WRITE (address not qwords aligned)\n");
2538 			return -EINVAL;
2539 		}
2540 		if ((offset + 8) > radeon_bo_size(reloc->robj)) {
2541 			DRM_ERROR("bad MEM_WRITE bo too small: 0x%llx, 0x%lx\n",
2542 				  offset + 8, radeon_bo_size(reloc->robj));
2543 			return -EINVAL;
2544 		}
2545 		offset += reloc->gpu_offset;
2546 		ib[idx+0] = offset;
2547 		ib[idx+1] = upper_32_bits(offset) & 0xff;
2548 		break;
2549 	}
2550 	case PACKET3_COPY_DW:
2551 		if (pkt->count != 4) {
2552 			DRM_ERROR("bad COPY_DW (invalid count)\n");
2553 			return -EINVAL;
2554 		}
2555 		if (idx_value & 0x1) {
2556 			u64 offset;
2557 			/* SRC is memory. */
2558 			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2559 			if (r) {
2560 				DRM_ERROR("bad COPY_DW (missing src reloc)\n");
2561 				return -EINVAL;
2562 			}
2563 			offset = radeon_get_ib_value(p, idx+1);
2564 			offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2565 			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2566 				DRM_ERROR("bad COPY_DW src bo too small: 0x%llx, 0x%lx\n",
2567 					  offset + 4, radeon_bo_size(reloc->robj));
2568 				return -EINVAL;
2569 			}
2570 			offset += reloc->gpu_offset;
2571 			ib[idx+1] = offset;
2572 			ib[idx+2] = upper_32_bits(offset) & 0xff;
2573 		} else {
2574 			/* SRC is a reg. */
2575 			reg = radeon_get_ib_value(p, idx+1) << 2;
2576 			if (!evergreen_is_safe_reg(p, reg)) {
2577 				dev_warn(p->dev, "forbidden register 0x%08x at %d\n",
2578 					 reg, idx + 1);
2579  				return -EINVAL;
2580 			}
2581 		}
2582 		if (idx_value & 0x2) {
2583 			u64 offset;
2584 			/* DST is memory. */
2585 			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2586 			if (r) {
2587 				DRM_ERROR("bad COPY_DW (missing dst reloc)\n");
2588 				return -EINVAL;
2589 			}
2590 			offset = radeon_get_ib_value(p, idx+3);
2591 			offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2592 			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2593 				DRM_ERROR("bad COPY_DW dst bo too small: 0x%llx, 0x%lx\n",
2594 					  offset + 4, radeon_bo_size(reloc->robj));
2595 				return -EINVAL;
2596 			}
2597 			offset += reloc->gpu_offset;
2598 			ib[idx+3] = offset;
2599 			ib[idx+4] = upper_32_bits(offset) & 0xff;
2600 		} else {
2601 			/* DST is a reg. */
2602 			reg = radeon_get_ib_value(p, idx+3) << 2;
2603 			if (!evergreen_is_safe_reg(p, reg)) {
2604 				dev_warn(p->dev, "forbidden register 0x%08x at %d\n",
2605 					 reg, idx + 3);
2606  				return -EINVAL;
2607 			}
2608 		}
2609 		break;
2610 	case PACKET3_SET_APPEND_CNT:
2611 	{
2612 		uint32_t areg;
2613 		uint32_t allowed_reg_base;
2614 		uint32_t source_sel;
2615 		if (pkt->count != 2) {
2616 			DRM_ERROR("bad SET_APPEND_CNT (invalid count)\n");
2617 			return -EINVAL;
2618 		}
2619 
2620 		allowed_reg_base = GDS_APPEND_COUNT_0;
2621 		allowed_reg_base -= PACKET3_SET_CONTEXT_REG_START;
2622 		allowed_reg_base >>= 2;
2623 
2624 		areg = idx_value >> 16;
2625 		if (areg < allowed_reg_base || areg > (allowed_reg_base + 11)) {
2626 			dev_warn(p->dev, "forbidden register for append cnt 0x%08x at %d\n",
2627 				 areg, idx);
2628 			return -EINVAL;
2629 		}
2630 
2631 		source_sel = G_PACKET3_SET_APPEND_CNT_SRC_SELECT(idx_value);
2632 		if (source_sel == PACKET3_SAC_SRC_SEL_MEM) {
2633 			uint64_t offset;
2634 			uint32_t swap;
2635 			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2636 			if (r) {
2637 				DRM_ERROR("bad SET_APPEND_CNT (missing reloc)\n");
2638 				return -EINVAL;
2639 			}
2640 			offset = radeon_get_ib_value(p, idx + 1);
2641 			swap = offset & 0x3;
2642 			offset &= ~0x3;
2643 
2644 			offset += ((u64)(radeon_get_ib_value(p, idx + 2) & 0xff)) << 32;
2645 
2646 			offset += reloc->gpu_offset;
2647 			ib[idx+1] = (offset & 0xfffffffc) | swap;
2648 			ib[idx+2] = upper_32_bits(offset) & 0xff;
2649 		} else {
2650 			DRM_ERROR("bad SET_APPEND_CNT (unsupported operation)\n");
2651 			return -EINVAL;
2652 		}
2653 		break;
2654 	}
2655 	case PACKET3_NOP:
2656 		break;
2657 	default:
2658 		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2659 		return -EINVAL;
2660 	}
2661 	return 0;
2662 }
2663 
2664 int evergreen_cs_parse(struct radeon_cs_parser *p)
2665 {
2666 	struct radeon_cs_packet pkt;
2667 	struct evergreen_cs_track *track;
2668 	u32 tmp;
2669 	int r;
2670 
2671 	if (p->track == NULL) {
2672 		/* initialize tracker, we are in kms */
2673 		track = kzalloc(sizeof(*track), GFP_KERNEL);
2674 		if (track == NULL)
2675 			return -ENOMEM;
2676 		evergreen_cs_track_init(track);
2677 		if (p->rdev->family >= CHIP_CAYMAN) {
2678 			tmp = p->rdev->config.cayman.tile_config;
2679 			track->reg_safe_bm = cayman_reg_safe_bm;
2680 		} else {
2681  			tmp = p->rdev->config.evergreen.tile_config;
2682 			track->reg_safe_bm = evergreen_reg_safe_bm;
2683 		}
2684 		BUILD_BUG_ON(ARRAY_SIZE(cayman_reg_safe_bm) != REG_SAFE_BM_SIZE);
2685 		BUILD_BUG_ON(ARRAY_SIZE(evergreen_reg_safe_bm) != REG_SAFE_BM_SIZE);
2686 		switch (tmp & 0xf) {
2687 		case 0:
2688 			track->npipes = 1;
2689 			break;
2690 		case 1:
2691 		default:
2692 			track->npipes = 2;
2693 			break;
2694 		case 2:
2695 			track->npipes = 4;
2696 			break;
2697 		case 3:
2698 			track->npipes = 8;
2699 			break;
2700 		}
2701 
2702 		switch ((tmp & 0xf0) >> 4) {
2703 		case 0:
2704 			track->nbanks = 4;
2705 			break;
2706 		case 1:
2707 		default:
2708 			track->nbanks = 8;
2709 			break;
2710 		case 2:
2711 			track->nbanks = 16;
2712 			break;
2713 		}
2714 
2715 		switch ((tmp & 0xf00) >> 8) {
2716 		case 0:
2717 			track->group_size = 256;
2718 			break;
2719 		case 1:
2720 		default:
2721 			track->group_size = 512;
2722 			break;
2723 		}
2724 
2725 		switch ((tmp & 0xf000) >> 12) {
2726 		case 0:
2727 			track->row_size = 1;
2728 			break;
2729 		case 1:
2730 		default:
2731 			track->row_size = 2;
2732 			break;
2733 		case 2:
2734 			track->row_size = 4;
2735 			break;
2736 		}
2737 
2738 		p->track = track;
2739 	}
2740 	do {
2741 		r = radeon_cs_packet_parse(p, &pkt, p->idx);
2742 		if (r) {
2743 			kfree(p->track);
2744 			p->track = NULL;
2745 			return r;
2746 		}
2747 		p->idx += pkt.count + 2;
2748 		switch (pkt.type) {
2749 		case RADEON_PACKET_TYPE0:
2750 			r = evergreen_cs_parse_packet0(p, &pkt);
2751 			break;
2752 		case RADEON_PACKET_TYPE2:
2753 			break;
2754 		case RADEON_PACKET_TYPE3:
2755 			r = evergreen_packet3_check(p, &pkt);
2756 			break;
2757 		default:
2758 			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
2759 			kfree(p->track);
2760 			p->track = NULL;
2761 			return -EINVAL;
2762 		}
2763 		if (r) {
2764 			kfree(p->track);
2765 			p->track = NULL;
2766 			return r;
2767 		}
2768 	} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
2769 #if 0
2770 	for (r = 0; r < p->ib.length_dw; r++) {
2771 		printk(KERN_INFO "%05d  0x%08X\n", r, p->ib.ptr[r]);
2772 		mdelay(1);
2773 	}
2774 #endif
2775 	kfree(p->track);
2776 	p->track = NULL;
2777 	return 0;
2778 }
2779 
2780 /**
2781  * evergreen_dma_cs_parse() - parse the DMA IB
2782  * @p:		parser structure holding parsing context.
2783  *
2784  * Parses the DMA IB from the CS ioctl and updates
2785  * the GPU addresses based on the reloc information and
2786  * checks for errors. (Evergreen-Cayman)
2787  * Returns 0 for success and an error on failure.
2788  **/
2789 int evergreen_dma_cs_parse(struct radeon_cs_parser *p)
2790 {
2791 	struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
2792 	struct radeon_bo_list *src_reloc, *dst_reloc, *dst2_reloc;
2793 	u32 header, cmd, count, sub_cmd;
2794 	uint32_t *ib = p->ib.ptr;
2795 	u32 idx;
2796 	u64 src_offset, dst_offset, dst2_offset;
2797 	int r;
2798 
2799 	do {
2800 		if (p->idx >= ib_chunk->length_dw) {
2801 			DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
2802 				  p->idx, ib_chunk->length_dw);
2803 			return -EINVAL;
2804 		}
2805 		idx = p->idx;
2806 		header = radeon_get_ib_value(p, idx);
2807 		cmd = GET_DMA_CMD(header);
2808 		count = GET_DMA_COUNT(header);
2809 		sub_cmd = GET_DMA_SUB_CMD(header);
2810 
2811 		switch (cmd) {
2812 		case DMA_PACKET_WRITE:
2813 			r = r600_dma_cs_next_reloc(p, &dst_reloc);
2814 			if (r) {
2815 				DRM_ERROR("bad DMA_PACKET_WRITE\n");
2816 				return -EINVAL;
2817 			}
2818 			switch (sub_cmd) {
2819 			/* tiled */
2820 			case 8:
2821 				dst_offset = radeon_get_ib_value(p, idx+1);
2822 				dst_offset <<= 8;
2823 
2824 				ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
2825 				p->idx += count + 7;
2826 				break;
2827 			/* linear */
2828 			case 0:
2829 				dst_offset = radeon_get_ib_value(p, idx+1);
2830 				dst_offset |= ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2831 
2832 				ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2833 				ib[idx+2] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2834 				p->idx += count + 3;
2835 				break;
2836 			default:
2837 				DRM_ERROR("bad DMA_PACKET_WRITE [%6d] 0x%08x sub cmd is not 0 or 8\n", idx, header);
2838 				return -EINVAL;
2839 			}
2840 			if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2841 				dev_warn(p->dev, "DMA write buffer too small (%llu %lu)\n",
2842 					 dst_offset, radeon_bo_size(dst_reloc->robj));
2843 				return -EINVAL;
2844 			}
2845 			break;
2846 		case DMA_PACKET_COPY:
2847 			r = r600_dma_cs_next_reloc(p, &src_reloc);
2848 			if (r) {
2849 				DRM_ERROR("bad DMA_PACKET_COPY\n");
2850 				return -EINVAL;
2851 			}
2852 			r = r600_dma_cs_next_reloc(p, &dst_reloc);
2853 			if (r) {
2854 				DRM_ERROR("bad DMA_PACKET_COPY\n");
2855 				return -EINVAL;
2856 			}
2857 			switch (sub_cmd) {
2858 			/* Copy L2L, DW aligned */
2859 			case 0x00:
2860 				/* L2L, dw */
2861 				src_offset = radeon_get_ib_value(p, idx+2);
2862 				src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2863 				dst_offset = radeon_get_ib_value(p, idx+1);
2864 				dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
2865 				if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
2866 					dev_warn(p->dev, "DMA L2L, dw src buffer too small (%llu %lu)\n",
2867 							src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
2868 					return -EINVAL;
2869 				}
2870 				if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2871 					dev_warn(p->dev, "DMA L2L, dw dst buffer too small (%llu %lu)\n",
2872 							dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2873 					return -EINVAL;
2874 				}
2875 				ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2876 				ib[idx+2] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
2877 				ib[idx+3] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2878 				ib[idx+4] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2879 				p->idx += 5;
2880 				break;
2881 			/* Copy L2T/T2L */
2882 			case 0x08:
2883 				/* detile bit */
2884 				if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
2885 					/* tiled src, linear dst */
2886 					src_offset = radeon_get_ib_value(p, idx+1);
2887 					src_offset <<= 8;
2888 					ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);
2889 
2890 					dst_offset = radeon_get_ib_value(p, idx + 7);
2891 					dst_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
2892 					ib[idx+7] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2893 					ib[idx+8] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2894 				} else {
2895 					/* linear src, tiled dst */
2896 					src_offset = radeon_get_ib_value(p, idx+7);
2897 					src_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
2898 					ib[idx+7] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
2899 					ib[idx+8] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2900 
2901 					dst_offset = radeon_get_ib_value(p, idx+1);
2902 					dst_offset <<= 8;
2903 					ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
2904 				}
2905 				if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
2906 					dev_warn(p->dev, "DMA L2T, src buffer too small (%llu %lu)\n",
2907 							src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
2908 					return -EINVAL;
2909 				}
2910 				if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2911 					dev_warn(p->dev, "DMA L2T, dst buffer too small (%llu %lu)\n",
2912 							dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2913 					return -EINVAL;
2914 				}
2915 				p->idx += 9;
2916 				break;
2917 			/* Copy L2L, byte aligned */
2918 			case 0x40:
2919 				/* L2L, byte */
2920 				src_offset = radeon_get_ib_value(p, idx+2);
2921 				src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2922 				dst_offset = radeon_get_ib_value(p, idx+1);
2923 				dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
2924 				if ((src_offset + count) > radeon_bo_size(src_reloc->robj)) {
2925 					dev_warn(p->dev, "DMA L2L, byte src buffer too small (%llu %lu)\n",
2926 							src_offset + count, radeon_bo_size(src_reloc->robj));
2927 					return -EINVAL;
2928 				}
2929 				if ((dst_offset + count) > radeon_bo_size(dst_reloc->robj)) {
2930 					dev_warn(p->dev, "DMA L2L, byte dst buffer too small (%llu %lu)\n",
2931 							dst_offset + count, radeon_bo_size(dst_reloc->robj));
2932 					return -EINVAL;
2933 				}
2934 				ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xffffffff);
2935 				ib[idx+2] += (u32)(src_reloc->gpu_offset & 0xffffffff);
2936 				ib[idx+3] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2937 				ib[idx+4] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2938 				p->idx += 5;
2939 				break;
2940 			/* Copy L2L, partial */
2941 			case 0x41:
2942 				/* L2L, partial */
2943 				if (p->family < CHIP_CAYMAN) {
2944 					DRM_ERROR("L2L Partial is cayman only !\n");
2945 					return -EINVAL;
2946 				}
2947 				ib[idx+1] += (u32)(src_reloc->gpu_offset & 0xffffffff);
2948 				ib[idx+2] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2949 				ib[idx+4] += (u32)(dst_reloc->gpu_offset & 0xffffffff);
2950 				ib[idx+5] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2951 
2952 				p->idx += 9;
2953 				break;
2954 			/* Copy L2L, DW aligned, broadcast */
2955 			case 0x44:
2956 				/* L2L, dw, broadcast */
2957 				r = r600_dma_cs_next_reloc(p, &dst2_reloc);
2958 				if (r) {
2959 					DRM_ERROR("bad L2L, dw, broadcast DMA_PACKET_COPY\n");
2960 					return -EINVAL;
2961 				}
2962 				dst_offset = radeon_get_ib_value(p, idx+1);
2963 				dst_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2964 				dst2_offset = radeon_get_ib_value(p, idx+2);
2965 				dst2_offset |= ((u64)(radeon_get_ib_value(p, idx+5) & 0xff)) << 32;
2966 				src_offset = radeon_get_ib_value(p, idx+3);
2967 				src_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
2968 				if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
2969 					dev_warn(p->dev, "DMA L2L, dw, broadcast src buffer too small (%llu %lu)\n",
2970 							src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
2971 					return -EINVAL;
2972 				}
2973 				if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2974 					dev_warn(p->dev, "DMA L2L, dw, broadcast dst buffer too small (%llu %lu)\n",
2975 							dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2976 					return -EINVAL;
2977 				}
2978 				if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) {
2979 					dev_warn(p->dev, "DMA L2L, dw, broadcast dst2 buffer too small (%llu %lu)\n",
2980 							dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj));
2981 					return -EINVAL;
2982 				}
2983 				ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2984 				ib[idx+2] += (u32)(dst2_reloc->gpu_offset & 0xfffffffc);
2985 				ib[idx+3] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
2986 				ib[idx+4] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2987 				ib[idx+5] += upper_32_bits(dst2_reloc->gpu_offset) & 0xff;
2988 				ib[idx+6] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2989 				p->idx += 7;
2990 				break;
2991 			/* Copy L2T Frame to Field */
2992 			case 0x48:
2993 				if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
2994 					DRM_ERROR("bad L2T, frame to fields DMA_PACKET_COPY\n");
2995 					return -EINVAL;
2996 				}
2997 				r = r600_dma_cs_next_reloc(p, &dst2_reloc);
2998 				if (r) {
2999 					DRM_ERROR("bad L2T, frame to fields DMA_PACKET_COPY\n");
3000 					return -EINVAL;
3001 				}
3002 				dst_offset = radeon_get_ib_value(p, idx+1);
3003 				dst_offset <<= 8;
3004 				dst2_offset = radeon_get_ib_value(p, idx+2);
3005 				dst2_offset <<= 8;
3006 				src_offset = radeon_get_ib_value(p, idx+8);
3007 				src_offset |= ((u64)(radeon_get_ib_value(p, idx+9) & 0xff)) << 32;
3008 				if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
3009 					dev_warn(p->dev, "DMA L2T, frame to fields src buffer too small (%llu %lu)\n",
3010 							src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
3011 					return -EINVAL;
3012 				}
3013 				if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
3014 					dev_warn(p->dev, "DMA L2T, frame to fields buffer too small (%llu %lu)\n",
3015 							dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
3016 					return -EINVAL;
3017 				}
3018 				if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) {
3019 					dev_warn(p->dev, "DMA L2T, frame to fields buffer too small (%llu %lu)\n",
3020 							dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj));
3021 					return -EINVAL;
3022 				}
3023 				ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
3024 				ib[idx+2] += (u32)(dst2_reloc->gpu_offset >> 8);
3025 				ib[idx+8] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
3026 				ib[idx+9] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
3027 				p->idx += 10;
3028 				break;
3029 			/* Copy L2T/T2L, partial */
3030 			case 0x49:
3031 				/* L2T, T2L partial */
3032 				if (p->family < CHIP_CAYMAN) {
3033 					DRM_ERROR("L2T, T2L Partial is cayman only !\n");
3034 					return -EINVAL;
3035 				}
3036 				/* detile bit */
3037 				if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
3038 					/* tiled src, linear dst */
3039 					ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);
3040 
3041 					ib[idx+7] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
3042 					ib[idx+8] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
3043 				} else {
3044 					/* linear src, tiled dst */
3045 					ib[idx+7] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
3046 					ib[idx+8] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
3047 
3048 					ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
3049 				}
3050 				p->idx += 12;
3051 				break;
3052 			/* Copy L2T broadcast */
3053 			case 0x4b:
3054 				/* L2T, broadcast */
3055 				if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
3056 					DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n");
3057 					return -EINVAL;
3058 				}
3059 				r = r600_dma_cs_next_reloc(p, &dst2_reloc);
3060 				if (r) {
3061 					DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n");
3062 					return -EINVAL;
3063 				}
3064 				dst_offset = radeon_get_ib_value(p, idx+1);
3065 				dst_offset <<= 8;
3066 				dst2_offset = radeon_get_ib_value(p, idx+2);
3067 				dst2_offset <<= 8;
3068 				src_offset = radeon_get_ib_value(p, idx+8);
3069 				src_offset |= ((u64)(radeon_get_ib_value(p, idx+9) & 0xff)) << 32;
3070 				if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
3071 					dev_warn(p->dev, "DMA L2T, broadcast src buffer too small (%llu %lu)\n",
3072 							src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
3073 					return -EINVAL;
3074 				}
3075 				if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
3076 					dev_warn(p->dev, "DMA L2T, broadcast dst buffer too small (%llu %lu)\n",
3077 							dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
3078 					return -EINVAL;
3079 				}
3080 				if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) {
3081 					dev_warn(p->dev, "DMA L2T, broadcast dst2 buffer too small (%llu %lu)\n",
3082 							dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj));
3083 					return -EINVAL;
3084 				}
3085 				ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
3086 				ib[idx+2] += (u32)(dst2_reloc->gpu_offset >> 8);
3087 				ib[idx+8] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
3088 				ib[idx+9] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
3089 				p->idx += 10;
3090 				break;
3091 			/* Copy L2T/T2L (tile units) */
3092 			case 0x4c:
3093 				/* L2T, T2L */
3094 				/* detile bit */
3095 				if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
3096 					/* tiled src, linear dst */
3097 					src_offset = radeon_get_ib_value(p, idx+1);
3098 					src_offset <<= 8;
3099 					ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);
3100 
3101 					dst_offset = radeon_get_ib_value(p, idx+7);
3102 					dst_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
3103 					ib[idx+7] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
3104 					ib[idx+8] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
3105 				} else {
3106 					/* linear src, tiled dst */
3107 					src_offset = radeon_get_ib_value(p, idx+7);
3108 					src_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
3109 					ib[idx+7] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
3110 					ib[idx+8] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
3111 
3112 					dst_offset = radeon_get_ib_value(p, idx+1);
3113 					dst_offset <<= 8;
3114 					ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
3115 				}
3116 				if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
3117 					dev_warn(p->dev, "DMA L2T, T2L src buffer too small (%llu %lu)\n",
3118 							src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
3119 					return -EINVAL;
3120 				}
3121 				if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
3122 					dev_warn(p->dev, "DMA L2T, T2L dst buffer too small (%llu %lu)\n",
3123 							dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
3124 					return -EINVAL;
3125 				}
3126 				p->idx += 9;
3127 				break;
3128 			/* Copy T2T, partial (tile units) */
3129 			case 0x4d:
3130 				/* T2T partial */
3131 				if (p->family < CHIP_CAYMAN) {
3132 					DRM_ERROR("L2T, T2L Partial is cayman only !\n");
3133 					return -EINVAL;
3134 				}
3135 				ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);
3136 				ib[idx+4] += (u32)(dst_reloc->gpu_offset >> 8);
3137 				p->idx += 13;
3138 				break;
3139 			/* Copy L2T broadcast (tile units) */
3140 			case 0x4f:
3141 				/* L2T, broadcast */
3142 				if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
3143 					DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n");
3144 					return -EINVAL;
3145 				}
3146 				r = r600_dma_cs_next_reloc(p, &dst2_reloc);
3147 				if (r) {
3148 					DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n");
3149 					return -EINVAL;
3150 				}
3151 				dst_offset = radeon_get_ib_value(p, idx+1);
3152 				dst_offset <<= 8;
3153 				dst2_offset = radeon_get_ib_value(p, idx+2);
3154 				dst2_offset <<= 8;
3155 				src_offset = radeon_get_ib_value(p, idx+8);
3156 				src_offset |= ((u64)(radeon_get_ib_value(p, idx+9) & 0xff)) << 32;
3157 				if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
3158 					dev_warn(p->dev, "DMA L2T, broadcast src buffer too small (%llu %lu)\n",
3159 							src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
3160 					return -EINVAL;
3161 				}
3162 				if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
3163 					dev_warn(p->dev, "DMA L2T, broadcast dst buffer too small (%llu %lu)\n",
3164 							dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
3165 					return -EINVAL;
3166 				}
3167 				if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) {
3168 					dev_warn(p->dev, "DMA L2T, broadcast dst2 buffer too small (%llu %lu)\n",
3169 							dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj));
3170 					return -EINVAL;
3171 				}
3172 				ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
3173 				ib[idx+2] += (u32)(dst2_reloc->gpu_offset >> 8);
3174 				ib[idx+8] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
3175 				ib[idx+9] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
3176 				p->idx += 10;
3177 				break;
3178 			default:
3179 				DRM_ERROR("bad DMA_PACKET_COPY [%6d] 0x%08x invalid sub cmd\n", idx, header);
3180 				return -EINVAL;
3181 			}
3182 			break;
3183 		case DMA_PACKET_CONSTANT_FILL:
3184 			r = r600_dma_cs_next_reloc(p, &dst_reloc);
3185 			if (r) {
3186 				DRM_ERROR("bad DMA_PACKET_CONSTANT_FILL\n");
3187 				return -EINVAL;
3188 			}
3189 			dst_offset = radeon_get_ib_value(p, idx+1);
3190 			dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0x00ff0000)) << 16;
3191 			if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
3192 				dev_warn(p->dev, "DMA constant fill buffer too small (%llu %lu)\n",
3193 					 dst_offset, radeon_bo_size(dst_reloc->robj));
3194 				return -EINVAL;
3195 			}
3196 			ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
3197 			ib[idx+3] += (upper_32_bits(dst_reloc->gpu_offset) << 16) & 0x00ff0000;
3198 			p->idx += 4;
3199 			break;
3200 		case DMA_PACKET_NOP:
3201 			p->idx += 1;
3202 			break;
3203 		default:
3204 			DRM_ERROR("Unknown packet type %d at %d !\n", cmd, idx);
3205 			return -EINVAL;
3206 		}
3207 	} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
3208 #if 0
3209 	for (r = 0; r < p->ib->length_dw; r++) {
3210 		printk(KERN_INFO "%05d  0x%08X\n", r, p->ib.ptr[r]);
3211 		mdelay(1);
3212 	}
3213 #endif
3214 	return 0;
3215 }
3216 
3217 /* vm parser */
3218 static bool evergreen_vm_reg_valid(u32 reg)
3219 {
3220 	/* context regs are fine */
3221 	if (reg >= 0x28000)
3222 		return true;
3223 
3224 	/* check config regs */
3225 	switch (reg) {
3226 	case WAIT_UNTIL:
3227 	case GRBM_GFX_INDEX:
3228 	case CP_STRMOUT_CNTL:
3229 	case CP_COHER_CNTL:
3230 	case CP_COHER_SIZE:
3231 	case VGT_VTX_VECT_EJECT_REG:
3232 	case VGT_CACHE_INVALIDATION:
3233 	case VGT_GS_VERTEX_REUSE:
3234 	case VGT_PRIMITIVE_TYPE:
3235 	case VGT_INDEX_TYPE:
3236 	case VGT_NUM_INDICES:
3237 	case VGT_NUM_INSTANCES:
3238 	case VGT_COMPUTE_DIM_X:
3239 	case VGT_COMPUTE_DIM_Y:
3240 	case VGT_COMPUTE_DIM_Z:
3241 	case VGT_COMPUTE_START_X:
3242 	case VGT_COMPUTE_START_Y:
3243 	case VGT_COMPUTE_START_Z:
3244 	case VGT_COMPUTE_INDEX:
3245 	case VGT_COMPUTE_THREAD_GROUP_SIZE:
3246 	case VGT_HS_OFFCHIP_PARAM:
3247 	case PA_CL_ENHANCE:
3248 	case PA_SU_LINE_STIPPLE_VALUE:
3249 	case PA_SC_LINE_STIPPLE_STATE:
3250 	case PA_SC_ENHANCE:
3251 	case SQ_DYN_GPR_CNTL_PS_FLUSH_REQ:
3252 	case SQ_DYN_GPR_SIMD_LOCK_EN:
3253 	case SQ_CONFIG:
3254 	case SQ_GPR_RESOURCE_MGMT_1:
3255 	case SQ_GLOBAL_GPR_RESOURCE_MGMT_1:
3256 	case SQ_GLOBAL_GPR_RESOURCE_MGMT_2:
3257 	case SQ_CONST_MEM_BASE:
3258 	case SQ_STATIC_THREAD_MGMT_1:
3259 	case SQ_STATIC_THREAD_MGMT_2:
3260 	case SQ_STATIC_THREAD_MGMT_3:
3261 	case SPI_CONFIG_CNTL:
3262 	case SPI_CONFIG_CNTL_1:
3263 	case TA_CNTL_AUX:
3264 	case DB_DEBUG:
3265 	case DB_DEBUG2:
3266 	case DB_DEBUG3:
3267 	case DB_DEBUG4:
3268 	case DB_WATERMARKS:
3269 	case TD_PS_BORDER_COLOR_INDEX:
3270 	case TD_PS_BORDER_COLOR_RED:
3271 	case TD_PS_BORDER_COLOR_GREEN:
3272 	case TD_PS_BORDER_COLOR_BLUE:
3273 	case TD_PS_BORDER_COLOR_ALPHA:
3274 	case TD_VS_BORDER_COLOR_INDEX:
3275 	case TD_VS_BORDER_COLOR_RED:
3276 	case TD_VS_BORDER_COLOR_GREEN:
3277 	case TD_VS_BORDER_COLOR_BLUE:
3278 	case TD_VS_BORDER_COLOR_ALPHA:
3279 	case TD_GS_BORDER_COLOR_INDEX:
3280 	case TD_GS_BORDER_COLOR_RED:
3281 	case TD_GS_BORDER_COLOR_GREEN:
3282 	case TD_GS_BORDER_COLOR_BLUE:
3283 	case TD_GS_BORDER_COLOR_ALPHA:
3284 	case TD_HS_BORDER_COLOR_INDEX:
3285 	case TD_HS_BORDER_COLOR_RED:
3286 	case TD_HS_BORDER_COLOR_GREEN:
3287 	case TD_HS_BORDER_COLOR_BLUE:
3288 	case TD_HS_BORDER_COLOR_ALPHA:
3289 	case TD_LS_BORDER_COLOR_INDEX:
3290 	case TD_LS_BORDER_COLOR_RED:
3291 	case TD_LS_BORDER_COLOR_GREEN:
3292 	case TD_LS_BORDER_COLOR_BLUE:
3293 	case TD_LS_BORDER_COLOR_ALPHA:
3294 	case TD_CS_BORDER_COLOR_INDEX:
3295 	case TD_CS_BORDER_COLOR_RED:
3296 	case TD_CS_BORDER_COLOR_GREEN:
3297 	case TD_CS_BORDER_COLOR_BLUE:
3298 	case TD_CS_BORDER_COLOR_ALPHA:
3299 	case SQ_ESGS_RING_SIZE:
3300 	case SQ_GSVS_RING_SIZE:
3301 	case SQ_ESTMP_RING_SIZE:
3302 	case SQ_GSTMP_RING_SIZE:
3303 	case SQ_HSTMP_RING_SIZE:
3304 	case SQ_LSTMP_RING_SIZE:
3305 	case SQ_PSTMP_RING_SIZE:
3306 	case SQ_VSTMP_RING_SIZE:
3307 	case SQ_ESGS_RING_ITEMSIZE:
3308 	case SQ_ESTMP_RING_ITEMSIZE:
3309 	case SQ_GSTMP_RING_ITEMSIZE:
3310 	case SQ_GSVS_RING_ITEMSIZE:
3311 	case SQ_GS_VERT_ITEMSIZE:
3312 	case SQ_GS_VERT_ITEMSIZE_1:
3313 	case SQ_GS_VERT_ITEMSIZE_2:
3314 	case SQ_GS_VERT_ITEMSIZE_3:
3315 	case SQ_GSVS_RING_OFFSET_1:
3316 	case SQ_GSVS_RING_OFFSET_2:
3317 	case SQ_GSVS_RING_OFFSET_3:
3318 	case SQ_HSTMP_RING_ITEMSIZE:
3319 	case SQ_LSTMP_RING_ITEMSIZE:
3320 	case SQ_PSTMP_RING_ITEMSIZE:
3321 	case SQ_VSTMP_RING_ITEMSIZE:
3322 	case VGT_TF_RING_SIZE:
3323 	case SQ_ESGS_RING_BASE:
3324 	case SQ_GSVS_RING_BASE:
3325 	case SQ_ESTMP_RING_BASE:
3326 	case SQ_GSTMP_RING_BASE:
3327 	case SQ_HSTMP_RING_BASE:
3328 	case SQ_LSTMP_RING_BASE:
3329 	case SQ_PSTMP_RING_BASE:
3330 	case SQ_VSTMP_RING_BASE:
3331 	case CAYMAN_VGT_OFFCHIP_LDS_BASE:
3332 	case CAYMAN_SQ_EX_ALLOC_TABLE_SLOTS:
3333 		return true;
3334 	default:
3335 		DRM_ERROR("Invalid register 0x%x in CS\n", reg);
3336 		return false;
3337 	}
3338 }
3339 
3340 static int evergreen_vm_packet3_check(struct radeon_device *rdev,
3341 				      u32 *ib, struct radeon_cs_packet *pkt)
3342 {
3343 	u32 idx = pkt->idx + 1;
3344 	u32 idx_value = ib[idx];
3345 	u32 start_reg, end_reg, reg, i;
3346 	u32 command, info;
3347 
3348 	switch (pkt->opcode) {
3349 	case PACKET3_NOP:
3350 		break;
3351 	case PACKET3_SET_BASE:
3352 		if (idx_value != 1) {
3353 			DRM_ERROR("bad SET_BASE");
3354 			return -EINVAL;
3355 		}
3356 		break;
3357 	case PACKET3_CLEAR_STATE:
3358 	case PACKET3_INDEX_BUFFER_SIZE:
3359 	case PACKET3_DISPATCH_DIRECT:
3360 	case PACKET3_DISPATCH_INDIRECT:
3361 	case PACKET3_MODE_CONTROL:
3362 	case PACKET3_SET_PREDICATION:
3363 	case PACKET3_COND_EXEC:
3364 	case PACKET3_PRED_EXEC:
3365 	case PACKET3_DRAW_INDIRECT:
3366 	case PACKET3_DRAW_INDEX_INDIRECT:
3367 	case PACKET3_INDEX_BASE:
3368 	case PACKET3_DRAW_INDEX_2:
3369 	case PACKET3_CONTEXT_CONTROL:
3370 	case PACKET3_DRAW_INDEX_OFFSET:
3371 	case PACKET3_INDEX_TYPE:
3372 	case PACKET3_DRAW_INDEX:
3373 	case PACKET3_DRAW_INDEX_AUTO:
3374 	case PACKET3_DRAW_INDEX_IMMD:
3375 	case PACKET3_NUM_INSTANCES:
3376 	case PACKET3_DRAW_INDEX_MULTI_AUTO:
3377 	case PACKET3_STRMOUT_BUFFER_UPDATE:
3378 	case PACKET3_DRAW_INDEX_OFFSET_2:
3379 	case PACKET3_DRAW_INDEX_MULTI_ELEMENT:
3380 	case PACKET3_MPEG_INDEX:
3381 	case PACKET3_WAIT_REG_MEM:
3382 	case PACKET3_MEM_WRITE:
3383 	case PACKET3_SURFACE_SYNC:
3384 	case PACKET3_EVENT_WRITE:
3385 	case PACKET3_EVENT_WRITE_EOP:
3386 	case PACKET3_EVENT_WRITE_EOS:
3387 	case PACKET3_SET_CONTEXT_REG:
3388 	case PACKET3_SET_BOOL_CONST:
3389 	case PACKET3_SET_LOOP_CONST:
3390 	case PACKET3_SET_RESOURCE:
3391 	case PACKET3_SET_SAMPLER:
3392 	case PACKET3_SET_CTL_CONST:
3393 	case PACKET3_SET_RESOURCE_OFFSET:
3394 	case PACKET3_SET_CONTEXT_REG_INDIRECT:
3395 	case PACKET3_SET_RESOURCE_INDIRECT:
3396 	case CAYMAN_PACKET3_DEALLOC_STATE:
3397 		break;
3398 	case PACKET3_COND_WRITE:
3399 		if (idx_value & 0x100) {
3400 			reg = ib[idx + 5] * 4;
3401 			if (!evergreen_vm_reg_valid(reg))
3402 				return -EINVAL;
3403 		}
3404 		break;
3405 	case PACKET3_COPY_DW:
3406 		if (idx_value & 0x2) {
3407 			reg = ib[idx + 3] * 4;
3408 			if (!evergreen_vm_reg_valid(reg))
3409 				return -EINVAL;
3410 		}
3411 		break;
3412 	case PACKET3_SET_CONFIG_REG:
3413 		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
3414 		end_reg = 4 * pkt->count + start_reg - 4;
3415 		if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
3416 		    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
3417 		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
3418 			DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
3419 			return -EINVAL;
3420 		}
3421 		for (i = 0; i < pkt->count; i++) {
3422 			reg = start_reg + (4 * i);
3423 			if (!evergreen_vm_reg_valid(reg))
3424 				return -EINVAL;
3425 		}
3426 		break;
3427 	case PACKET3_CP_DMA:
3428 		command = ib[idx + 4];
3429 		info = ib[idx + 1];
3430 		if ((((info & 0x60000000) >> 29) != 0) || /* src = GDS or DATA */
3431 		    (((info & 0x00300000) >> 20) != 0) || /* dst = GDS */
3432 		    ((((info & 0x00300000) >> 20) == 0) &&
3433 		     (command & PACKET3_CP_DMA_CMD_DAS)) || /* dst = register */
3434 		    ((((info & 0x60000000) >> 29) == 0) &&
3435 		     (command & PACKET3_CP_DMA_CMD_SAS))) { /* src = register */
3436 			/* non mem to mem copies requires dw aligned count */
3437 			if ((command & 0x1fffff) % 4) {
3438 				DRM_ERROR("CP DMA command requires dw count alignment\n");
3439 				return -EINVAL;
3440 			}
3441 		}
3442 		if (command & PACKET3_CP_DMA_CMD_SAS) {
3443 			/* src address space is register */
3444 			if (((info & 0x60000000) >> 29) == 0) {
3445 				start_reg = idx_value << 2;
3446 				if (command & PACKET3_CP_DMA_CMD_SAIC) {
3447 					reg = start_reg;
3448 					if (!evergreen_vm_reg_valid(reg)) {
3449 						DRM_ERROR("CP DMA Bad SRC register\n");
3450 						return -EINVAL;
3451 					}
3452 				} else {
3453 					for (i = 0; i < (command & 0x1fffff); i++) {
3454 						reg = start_reg + (4 * i);
3455 						if (!evergreen_vm_reg_valid(reg)) {
3456 							DRM_ERROR("CP DMA Bad SRC register\n");
3457 							return -EINVAL;
3458 						}
3459 					}
3460 				}
3461 			}
3462 		}
3463 		if (command & PACKET3_CP_DMA_CMD_DAS) {
3464 			/* dst address space is register */
3465 			if (((info & 0x00300000) >> 20) == 0) {
3466 				start_reg = ib[idx + 2];
3467 				if (command & PACKET3_CP_DMA_CMD_DAIC) {
3468 					reg = start_reg;
3469 					if (!evergreen_vm_reg_valid(reg)) {
3470 						DRM_ERROR("CP DMA Bad DST register\n");
3471 						return -EINVAL;
3472 					}
3473 				} else {
3474 					for (i = 0; i < (command & 0x1fffff); i++) {
3475 						reg = start_reg + (4 * i);
3476 						if (!evergreen_vm_reg_valid(reg)) {
3477 							DRM_ERROR("CP DMA Bad DST register\n");
3478 							return -EINVAL;
3479 						}
3480 					}
3481 				}
3482 			}
3483 		}
3484 		break;
3485 	case PACKET3_SET_APPEND_CNT: {
3486 		uint32_t areg;
3487 		uint32_t allowed_reg_base;
3488 
3489 		if (pkt->count != 2) {
3490 			DRM_ERROR("bad SET_APPEND_CNT (invalid count)\n");
3491 			return -EINVAL;
3492 		}
3493 
3494 		allowed_reg_base = GDS_APPEND_COUNT_0;
3495 		allowed_reg_base -= PACKET3_SET_CONTEXT_REG_START;
3496 		allowed_reg_base >>= 2;
3497 
3498 		areg = idx_value >> 16;
3499 		if (areg < allowed_reg_base || areg > (allowed_reg_base + 11)) {
3500 			DRM_ERROR("forbidden register for append cnt 0x%08x at %d\n",
3501 				  areg, idx);
3502 			return -EINVAL;
3503 		}
3504 		break;
3505 	}
3506 	default:
3507 		return -EINVAL;
3508 	}
3509 	return 0;
3510 }
3511 
3512 int evergreen_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
3513 {
3514 	int ret = 0;
3515 	u32 idx = 0;
3516 	struct radeon_cs_packet pkt;
3517 
3518 	do {
3519 		pkt.idx = idx;
3520 		pkt.type = RADEON_CP_PACKET_GET_TYPE(ib->ptr[idx]);
3521 		pkt.count = RADEON_CP_PACKET_GET_COUNT(ib->ptr[idx]);
3522 		pkt.one_reg_wr = 0;
3523 		switch (pkt.type) {
3524 		case RADEON_PACKET_TYPE0:
3525 			dev_err(rdev->dev, "Packet0 not allowed!\n");
3526 			ret = -EINVAL;
3527 			break;
3528 		case RADEON_PACKET_TYPE2:
3529 			idx += 1;
3530 			break;
3531 		case RADEON_PACKET_TYPE3:
3532 			pkt.opcode = RADEON_CP_PACKET3_GET_OPCODE(ib->ptr[idx]);
3533 			ret = evergreen_vm_packet3_check(rdev, ib->ptr, &pkt);
3534 			idx += pkt.count + 2;
3535 			break;
3536 		default:
3537 			dev_err(rdev->dev, "Unknown packet type %d !\n", pkt.type);
3538 			ret = -EINVAL;
3539 			break;
3540 		}
3541 		if (ret)
3542 			break;
3543 	} while (idx < ib->length_dw);
3544 
3545 	return ret;
3546 }
3547 
3548 /**
3549  * evergreen_dma_ib_parse() - parse the DMA IB for VM
3550  * @rdev: radeon_device pointer
3551  * @ib:	radeon_ib pointer
3552  *
3553  * Parses the DMA IB from the VM CS ioctl
3554  * checks for errors. (Cayman-SI)
3555  * Returns 0 for success and an error on failure.
3556  **/
3557 int evergreen_dma_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
3558 {
3559 	u32 idx = 0;
3560 	u32 header, cmd, count, sub_cmd;
3561 
3562 	do {
3563 		header = ib->ptr[idx];
3564 		cmd = GET_DMA_CMD(header);
3565 		count = GET_DMA_COUNT(header);
3566 		sub_cmd = GET_DMA_SUB_CMD(header);
3567 
3568 		switch (cmd) {
3569 		case DMA_PACKET_WRITE:
3570 			switch (sub_cmd) {
3571 			/* tiled */
3572 			case 8:
3573 				idx += count + 7;
3574 				break;
3575 			/* linear */
3576 			case 0:
3577 				idx += count + 3;
3578 				break;
3579 			default:
3580 				DRM_ERROR("bad DMA_PACKET_WRITE [%6d] 0x%08x sub cmd is not 0 or 8\n", idx, ib->ptr[idx]);
3581 				return -EINVAL;
3582 			}
3583 			break;
3584 		case DMA_PACKET_COPY:
3585 			switch (sub_cmd) {
3586 			/* Copy L2L, DW aligned */
3587 			case 0x00:
3588 				idx += 5;
3589 				break;
3590 			/* Copy L2T/T2L */
3591 			case 0x08:
3592 				idx += 9;
3593 				break;
3594 			/* Copy L2L, byte aligned */
3595 			case 0x40:
3596 				idx += 5;
3597 				break;
3598 			/* Copy L2L, partial */
3599 			case 0x41:
3600 				idx += 9;
3601 				break;
3602 			/* Copy L2L, DW aligned, broadcast */
3603 			case 0x44:
3604 				idx += 7;
3605 				break;
3606 			/* Copy L2T Frame to Field */
3607 			case 0x48:
3608 				idx += 10;
3609 				break;
3610 			/* Copy L2T/T2L, partial */
3611 			case 0x49:
3612 				idx += 12;
3613 				break;
3614 			/* Copy L2T broadcast */
3615 			case 0x4b:
3616 				idx += 10;
3617 				break;
3618 			/* Copy L2T/T2L (tile units) */
3619 			case 0x4c:
3620 				idx += 9;
3621 				break;
3622 			/* Copy T2T, partial (tile units) */
3623 			case 0x4d:
3624 				idx += 13;
3625 				break;
3626 			/* Copy L2T broadcast (tile units) */
3627 			case 0x4f:
3628 				idx += 10;
3629 				break;
3630 			default:
3631 				DRM_ERROR("bad DMA_PACKET_COPY [%6d] 0x%08x invalid sub cmd\n", idx, ib->ptr[idx]);
3632 				return -EINVAL;
3633 			}
3634 			break;
3635 		case DMA_PACKET_CONSTANT_FILL:
3636 			idx += 4;
3637 			break;
3638 		case DMA_PACKET_NOP:
3639 			idx += 1;
3640 			break;
3641 		default:
3642 			DRM_ERROR("Unknown packet type %d at %d !\n", cmd, idx);
3643 			return -EINVAL;
3644 		}
3645 	} while (idx < ib->length_dw);
3646 
3647 	return 0;
3648 }
3649