xref: /linux/drivers/gpu/drm/radeon/evergreen_cs.c (revision 3bb598fb23b6040e67b5e6db9a00b28cd26e5809)
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 "drmP.h"
29 #include "radeon.h"
30 #include "evergreend.h"
31 #include "evergreen_reg_safe.h"
32 #include "cayman_reg_safe.h"
33 
34 static int evergreen_cs_packet_next_reloc(struct radeon_cs_parser *p,
35 					  struct radeon_cs_reloc **cs_reloc);
36 
37 struct evergreen_cs_track {
38 	u32			group_size;
39 	u32			nbanks;
40 	u32			npipes;
41 	/* value we track */
42 	u32			nsamples;
43 	u32			cb_color_base_last[12];
44 	struct radeon_bo	*cb_color_bo[12];
45 	u32			cb_color_bo_offset[12];
46 	struct radeon_bo	*cb_color_fmask_bo[8];
47 	struct radeon_bo	*cb_color_cmask_bo[8];
48 	u32			cb_color_info[12];
49 	u32			cb_color_view[12];
50 	u32			cb_color_pitch_idx[12];
51 	u32			cb_color_slice_idx[12];
52 	u32			cb_color_dim_idx[12];
53 	u32			cb_color_dim[12];
54 	u32			cb_color_pitch[12];
55 	u32			cb_color_slice[12];
56 	u32			cb_color_cmask_slice[8];
57 	u32			cb_color_fmask_slice[8];
58 	u32			cb_target_mask;
59 	u32			cb_shader_mask;
60 	u32			vgt_strmout_config;
61 	u32			vgt_strmout_buffer_config;
62 	u32			db_depth_control;
63 	u32			db_depth_view;
64 	u32			db_depth_size;
65 	u32			db_depth_size_idx;
66 	u32			db_z_info;
67 	u32			db_z_idx;
68 	u32			db_z_read_offset;
69 	u32			db_z_write_offset;
70 	struct radeon_bo	*db_z_read_bo;
71 	struct radeon_bo	*db_z_write_bo;
72 	u32			db_s_info;
73 	u32			db_s_idx;
74 	u32			db_s_read_offset;
75 	u32			db_s_write_offset;
76 	struct radeon_bo	*db_s_read_bo;
77 	struct radeon_bo	*db_s_write_bo;
78 };
79 
80 static void evergreen_cs_track_init(struct evergreen_cs_track *track)
81 {
82 	int i;
83 
84 	for (i = 0; i < 8; i++) {
85 		track->cb_color_fmask_bo[i] = NULL;
86 		track->cb_color_cmask_bo[i] = NULL;
87 		track->cb_color_cmask_slice[i] = 0;
88 		track->cb_color_fmask_slice[i] = 0;
89 	}
90 
91 	for (i = 0; i < 12; i++) {
92 		track->cb_color_base_last[i] = 0;
93 		track->cb_color_bo[i] = NULL;
94 		track->cb_color_bo_offset[i] = 0xFFFFFFFF;
95 		track->cb_color_info[i] = 0;
96 		track->cb_color_view[i] = 0;
97 		track->cb_color_pitch_idx[i] = 0;
98 		track->cb_color_slice_idx[i] = 0;
99 		track->cb_color_dim[i] = 0;
100 		track->cb_color_pitch[i] = 0;
101 		track->cb_color_slice[i] = 0;
102 		track->cb_color_dim[i] = 0;
103 	}
104 	track->cb_target_mask = 0xFFFFFFFF;
105 	track->cb_shader_mask = 0xFFFFFFFF;
106 
107 	track->db_depth_view = 0xFFFFC000;
108 	track->db_depth_size = 0xFFFFFFFF;
109 	track->db_depth_size_idx = 0;
110 	track->db_depth_control = 0xFFFFFFFF;
111 	track->db_z_info = 0xFFFFFFFF;
112 	track->db_z_idx = 0xFFFFFFFF;
113 	track->db_z_read_offset = 0xFFFFFFFF;
114 	track->db_z_write_offset = 0xFFFFFFFF;
115 	track->db_z_read_bo = NULL;
116 	track->db_z_write_bo = NULL;
117 	track->db_s_info = 0xFFFFFFFF;
118 	track->db_s_idx = 0xFFFFFFFF;
119 	track->db_s_read_offset = 0xFFFFFFFF;
120 	track->db_s_write_offset = 0xFFFFFFFF;
121 	track->db_s_read_bo = NULL;
122 	track->db_s_write_bo = NULL;
123 }
124 
125 static inline int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
126 {
127 	/* XXX fill in */
128 	return 0;
129 }
130 
131 static int evergreen_cs_track_check(struct radeon_cs_parser *p)
132 {
133 	struct evergreen_cs_track *track = p->track;
134 
135 	/* we don't support stream out buffer yet */
136 	if (track->vgt_strmout_config || track->vgt_strmout_buffer_config) {
137 		dev_warn(p->dev, "this kernel doesn't support SMX output buffer\n");
138 		return -EINVAL;
139 	}
140 
141 	/* XXX fill in */
142 	return 0;
143 }
144 
145 /**
146  * evergreen_cs_packet_parse() - parse cp packet and point ib index to next packet
147  * @parser:	parser structure holding parsing context.
148  * @pkt:	where to store packet informations
149  *
150  * Assume that chunk_ib_index is properly set. Will return -EINVAL
151  * if packet is bigger than remaining ib size. or if packets is unknown.
152  **/
153 int evergreen_cs_packet_parse(struct radeon_cs_parser *p,
154 			      struct radeon_cs_packet *pkt,
155 			      unsigned idx)
156 {
157 	struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
158 	uint32_t header;
159 
160 	if (idx >= ib_chunk->length_dw) {
161 		DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
162 			  idx, ib_chunk->length_dw);
163 		return -EINVAL;
164 	}
165 	header = radeon_get_ib_value(p, idx);
166 	pkt->idx = idx;
167 	pkt->type = CP_PACKET_GET_TYPE(header);
168 	pkt->count = CP_PACKET_GET_COUNT(header);
169 	pkt->one_reg_wr = 0;
170 	switch (pkt->type) {
171 	case PACKET_TYPE0:
172 		pkt->reg = CP_PACKET0_GET_REG(header);
173 		break;
174 	case PACKET_TYPE3:
175 		pkt->opcode = CP_PACKET3_GET_OPCODE(header);
176 		break;
177 	case PACKET_TYPE2:
178 		pkt->count = -1;
179 		break;
180 	default:
181 		DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
182 		return -EINVAL;
183 	}
184 	if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
185 		DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
186 			  pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
187 		return -EINVAL;
188 	}
189 	return 0;
190 }
191 
192 /**
193  * evergreen_cs_packet_next_reloc() - parse next packet which should be reloc packet3
194  * @parser:		parser structure holding parsing context.
195  * @data:		pointer to relocation data
196  * @offset_start:	starting offset
197  * @offset_mask:	offset mask (to align start offset on)
198  * @reloc:		reloc informations
199  *
200  * Check next packet is relocation packet3, do bo validation and compute
201  * GPU offset using the provided start.
202  **/
203 static int evergreen_cs_packet_next_reloc(struct radeon_cs_parser *p,
204 					  struct radeon_cs_reloc **cs_reloc)
205 {
206 	struct radeon_cs_chunk *relocs_chunk;
207 	struct radeon_cs_packet p3reloc;
208 	unsigned idx;
209 	int r;
210 
211 	if (p->chunk_relocs_idx == -1) {
212 		DRM_ERROR("No relocation chunk !\n");
213 		return -EINVAL;
214 	}
215 	*cs_reloc = NULL;
216 	relocs_chunk = &p->chunks[p->chunk_relocs_idx];
217 	r = evergreen_cs_packet_parse(p, &p3reloc, p->idx);
218 	if (r) {
219 		return r;
220 	}
221 	p->idx += p3reloc.count + 2;
222 	if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
223 		DRM_ERROR("No packet3 for relocation for packet at %d.\n",
224 			  p3reloc.idx);
225 		return -EINVAL;
226 	}
227 	idx = radeon_get_ib_value(p, p3reloc.idx + 1);
228 	if (idx >= relocs_chunk->length_dw) {
229 		DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
230 			  idx, relocs_chunk->length_dw);
231 		return -EINVAL;
232 	}
233 	/* FIXME: we assume reloc size is 4 dwords */
234 	*cs_reloc = p->relocs_ptr[(idx / 4)];
235 	return 0;
236 }
237 
238 /**
239  * evergreen_cs_packet_next_is_pkt3_nop() - test if next packet is packet3 nop for reloc
240  * @parser:		parser structure holding parsing context.
241  *
242  * Check next packet is relocation packet3, do bo validation and compute
243  * GPU offset using the provided start.
244  **/
245 static inline int evergreen_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p)
246 {
247 	struct radeon_cs_packet p3reloc;
248 	int r;
249 
250 	r = evergreen_cs_packet_parse(p, &p3reloc, p->idx);
251 	if (r) {
252 		return 0;
253 	}
254 	if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
255 		return 0;
256 	}
257 	return 1;
258 }
259 
260 /**
261  * evergreen_cs_packet_next_vline() - parse userspace VLINE packet
262  * @parser:		parser structure holding parsing context.
263  *
264  * Userspace sends a special sequence for VLINE waits.
265  * PACKET0 - VLINE_START_END + value
266  * PACKET3 - WAIT_REG_MEM poll vline status reg
267  * RELOC (P3) - crtc_id in reloc.
268  *
269  * This function parses this and relocates the VLINE START END
270  * and WAIT_REG_MEM packets to the correct crtc.
271  * It also detects a switched off crtc and nulls out the
272  * wait in that case.
273  */
274 static int evergreen_cs_packet_parse_vline(struct radeon_cs_parser *p)
275 {
276 	struct drm_mode_object *obj;
277 	struct drm_crtc *crtc;
278 	struct radeon_crtc *radeon_crtc;
279 	struct radeon_cs_packet p3reloc, wait_reg_mem;
280 	int crtc_id;
281 	int r;
282 	uint32_t header, h_idx, reg, wait_reg_mem_info;
283 	volatile uint32_t *ib;
284 
285 	ib = p->ib->ptr;
286 
287 	/* parse the WAIT_REG_MEM */
288 	r = evergreen_cs_packet_parse(p, &wait_reg_mem, p->idx);
289 	if (r)
290 		return r;
291 
292 	/* check its a WAIT_REG_MEM */
293 	if (wait_reg_mem.type != PACKET_TYPE3 ||
294 	    wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) {
295 		DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n");
296 		return -EINVAL;
297 	}
298 
299 	wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1);
300 	/* bit 4 is reg (0) or mem (1) */
301 	if (wait_reg_mem_info & 0x10) {
302 		DRM_ERROR("vline WAIT_REG_MEM waiting on MEM rather than REG\n");
303 		return -EINVAL;
304 	}
305 	/* waiting for value to be equal */
306 	if ((wait_reg_mem_info & 0x7) != 0x3) {
307 		DRM_ERROR("vline WAIT_REG_MEM function not equal\n");
308 		return -EINVAL;
309 	}
310 	if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != EVERGREEN_VLINE_STATUS) {
311 		DRM_ERROR("vline WAIT_REG_MEM bad reg\n");
312 		return -EINVAL;
313 	}
314 
315 	if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != EVERGREEN_VLINE_STAT) {
316 		DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n");
317 		return -EINVAL;
318 	}
319 
320 	/* jump over the NOP */
321 	r = evergreen_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2);
322 	if (r)
323 		return r;
324 
325 	h_idx = p->idx - 2;
326 	p->idx += wait_reg_mem.count + 2;
327 	p->idx += p3reloc.count + 2;
328 
329 	header = radeon_get_ib_value(p, h_idx);
330 	crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1);
331 	reg = CP_PACKET0_GET_REG(header);
332 	obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
333 	if (!obj) {
334 		DRM_ERROR("cannot find crtc %d\n", crtc_id);
335 		return -EINVAL;
336 	}
337 	crtc = obj_to_crtc(obj);
338 	radeon_crtc = to_radeon_crtc(crtc);
339 	crtc_id = radeon_crtc->crtc_id;
340 
341 	if (!crtc->enabled) {
342 		/* if the CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */
343 		ib[h_idx + 2] = PACKET2(0);
344 		ib[h_idx + 3] = PACKET2(0);
345 		ib[h_idx + 4] = PACKET2(0);
346 		ib[h_idx + 5] = PACKET2(0);
347 		ib[h_idx + 6] = PACKET2(0);
348 		ib[h_idx + 7] = PACKET2(0);
349 		ib[h_idx + 8] = PACKET2(0);
350 	} else {
351 		switch (reg) {
352 		case EVERGREEN_VLINE_START_END:
353 			header &= ~R600_CP_PACKET0_REG_MASK;
354 			header |= (EVERGREEN_VLINE_START_END + radeon_crtc->crtc_offset) >> 2;
355 			ib[h_idx] = header;
356 			ib[h_idx + 4] = (EVERGREEN_VLINE_STATUS + radeon_crtc->crtc_offset) >> 2;
357 			break;
358 		default:
359 			DRM_ERROR("unknown crtc reloc\n");
360 			return -EINVAL;
361 		}
362 	}
363 	return 0;
364 }
365 
366 static int evergreen_packet0_check(struct radeon_cs_parser *p,
367 				   struct radeon_cs_packet *pkt,
368 				   unsigned idx, unsigned reg)
369 {
370 	int r;
371 
372 	switch (reg) {
373 	case EVERGREEN_VLINE_START_END:
374 		r = evergreen_cs_packet_parse_vline(p);
375 		if (r) {
376 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
377 					idx, reg);
378 			return r;
379 		}
380 		break;
381 	default:
382 		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
383 		       reg, idx);
384 		return -EINVAL;
385 	}
386 	return 0;
387 }
388 
389 static int evergreen_cs_parse_packet0(struct radeon_cs_parser *p,
390 				      struct radeon_cs_packet *pkt)
391 {
392 	unsigned reg, i;
393 	unsigned idx;
394 	int r;
395 
396 	idx = pkt->idx + 1;
397 	reg = pkt->reg;
398 	for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
399 		r = evergreen_packet0_check(p, pkt, idx, reg);
400 		if (r) {
401 			return r;
402 		}
403 	}
404 	return 0;
405 }
406 
407 /**
408  * evergreen_cs_check_reg() - check if register is authorized or not
409  * @parser: parser structure holding parsing context
410  * @reg: register we are testing
411  * @idx: index into the cs buffer
412  *
413  * This function will test against evergreen_reg_safe_bm and return 0
414  * if register is safe. If register is not flag as safe this function
415  * will test it against a list of register needind special handling.
416  */
417 static inline int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
418 {
419 	struct evergreen_cs_track *track = (struct evergreen_cs_track *)p->track;
420 	struct radeon_cs_reloc *reloc;
421 	u32 last_reg;
422 	u32 m, i, tmp, *ib;
423 	int r;
424 
425 	if (p->rdev->family >= CHIP_CAYMAN)
426 		last_reg = ARRAY_SIZE(cayman_reg_safe_bm);
427 	else
428 		last_reg = ARRAY_SIZE(evergreen_reg_safe_bm);
429 
430 	i = (reg >> 7);
431 	if (i > last_reg) {
432 		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
433 		return -EINVAL;
434 	}
435 	m = 1 << ((reg >> 2) & 31);
436 	if (p->rdev->family >= CHIP_CAYMAN) {
437 		if (!(cayman_reg_safe_bm[i] & m))
438 			return 0;
439 	} else {
440 		if (!(evergreen_reg_safe_bm[i] & m))
441 			return 0;
442 	}
443 	ib = p->ib->ptr;
444 	switch (reg) {
445 	/* force following reg to 0 in an attemp to disable out buffer
446 	 * which will need us to better understand how it works to perform
447 	 * security check on it (Jerome)
448 	 */
449 	case SQ_ESGS_RING_SIZE:
450 	case SQ_GSVS_RING_SIZE:
451 	case SQ_ESTMP_RING_SIZE:
452 	case SQ_GSTMP_RING_SIZE:
453 	case SQ_HSTMP_RING_SIZE:
454 	case SQ_LSTMP_RING_SIZE:
455 	case SQ_PSTMP_RING_SIZE:
456 	case SQ_VSTMP_RING_SIZE:
457 	case SQ_ESGS_RING_ITEMSIZE:
458 	case SQ_ESTMP_RING_ITEMSIZE:
459 	case SQ_GSTMP_RING_ITEMSIZE:
460 	case SQ_GSVS_RING_ITEMSIZE:
461 	case SQ_GS_VERT_ITEMSIZE:
462 	case SQ_GS_VERT_ITEMSIZE_1:
463 	case SQ_GS_VERT_ITEMSIZE_2:
464 	case SQ_GS_VERT_ITEMSIZE_3:
465 	case SQ_GSVS_RING_OFFSET_1:
466 	case SQ_GSVS_RING_OFFSET_2:
467 	case SQ_GSVS_RING_OFFSET_3:
468 	case SQ_HSTMP_RING_ITEMSIZE:
469 	case SQ_LSTMP_RING_ITEMSIZE:
470 	case SQ_PSTMP_RING_ITEMSIZE:
471 	case SQ_VSTMP_RING_ITEMSIZE:
472 	case VGT_TF_RING_SIZE:
473 		/* get value to populate the IB don't remove */
474 		/*tmp =radeon_get_ib_value(p, idx);
475 		  ib[idx] = 0;*/
476 		break;
477 	case SQ_ESGS_RING_BASE:
478 	case SQ_GSVS_RING_BASE:
479 	case SQ_ESTMP_RING_BASE:
480 	case SQ_GSTMP_RING_BASE:
481 	case SQ_HSTMP_RING_BASE:
482 	case SQ_LSTMP_RING_BASE:
483 	case SQ_PSTMP_RING_BASE:
484 	case SQ_VSTMP_RING_BASE:
485 		r = evergreen_cs_packet_next_reloc(p, &reloc);
486 		if (r) {
487 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
488 					"0x%04X\n", reg);
489 			return -EINVAL;
490 		}
491 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
492 		break;
493 	case DB_DEPTH_CONTROL:
494 		track->db_depth_control = radeon_get_ib_value(p, idx);
495 		break;
496 	case CAYMAN_DB_EQAA:
497 		if (p->rdev->family < CHIP_CAYMAN) {
498 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
499 				 "0x%04X\n", reg);
500 			return -EINVAL;
501 		}
502 		break;
503 	case CAYMAN_DB_DEPTH_INFO:
504 		if (p->rdev->family < CHIP_CAYMAN) {
505 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
506 				 "0x%04X\n", reg);
507 			return -EINVAL;
508 		}
509 		break;
510 	case DB_Z_INFO:
511 		r = evergreen_cs_packet_next_reloc(p, &reloc);
512 		if (r) {
513 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
514 					"0x%04X\n", reg);
515 			return -EINVAL;
516 		}
517 		track->db_z_info = radeon_get_ib_value(p, idx);
518 		ib[idx] &= ~Z_ARRAY_MODE(0xf);
519 		track->db_z_info &= ~Z_ARRAY_MODE(0xf);
520 		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
521 			ib[idx] |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
522 			track->db_z_info |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
523 		} else {
524 			ib[idx] |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
525 			track->db_z_info |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
526 		}
527 		break;
528 	case DB_STENCIL_INFO:
529 		track->db_s_info = radeon_get_ib_value(p, idx);
530 		break;
531 	case DB_DEPTH_VIEW:
532 		track->db_depth_view = radeon_get_ib_value(p, idx);
533 		break;
534 	case DB_DEPTH_SIZE:
535 		track->db_depth_size = radeon_get_ib_value(p, idx);
536 		track->db_depth_size_idx = idx;
537 		break;
538 	case DB_Z_READ_BASE:
539 		r = evergreen_cs_packet_next_reloc(p, &reloc);
540 		if (r) {
541 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
542 					"0x%04X\n", reg);
543 			return -EINVAL;
544 		}
545 		track->db_z_read_offset = radeon_get_ib_value(p, idx);
546 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
547 		track->db_z_read_bo = reloc->robj;
548 		break;
549 	case DB_Z_WRITE_BASE:
550 		r = evergreen_cs_packet_next_reloc(p, &reloc);
551 		if (r) {
552 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
553 					"0x%04X\n", reg);
554 			return -EINVAL;
555 		}
556 		track->db_z_write_offset = radeon_get_ib_value(p, idx);
557 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
558 		track->db_z_write_bo = reloc->robj;
559 		break;
560 	case DB_STENCIL_READ_BASE:
561 		r = evergreen_cs_packet_next_reloc(p, &reloc);
562 		if (r) {
563 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
564 					"0x%04X\n", reg);
565 			return -EINVAL;
566 		}
567 		track->db_s_read_offset = radeon_get_ib_value(p, idx);
568 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
569 		track->db_s_read_bo = reloc->robj;
570 		break;
571 	case DB_STENCIL_WRITE_BASE:
572 		r = evergreen_cs_packet_next_reloc(p, &reloc);
573 		if (r) {
574 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
575 					"0x%04X\n", reg);
576 			return -EINVAL;
577 		}
578 		track->db_s_write_offset = radeon_get_ib_value(p, idx);
579 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
580 		track->db_s_write_bo = reloc->robj;
581 		break;
582 	case VGT_STRMOUT_CONFIG:
583 		track->vgt_strmout_config = radeon_get_ib_value(p, idx);
584 		break;
585 	case VGT_STRMOUT_BUFFER_CONFIG:
586 		track->vgt_strmout_buffer_config = radeon_get_ib_value(p, idx);
587 		break;
588 	case CB_TARGET_MASK:
589 		track->cb_target_mask = radeon_get_ib_value(p, idx);
590 		break;
591 	case CB_SHADER_MASK:
592 		track->cb_shader_mask = radeon_get_ib_value(p, idx);
593 		break;
594 	case PA_SC_AA_CONFIG:
595 		if (p->rdev->family >= CHIP_CAYMAN) {
596 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
597 				 "0x%04X\n", reg);
598 			return -EINVAL;
599 		}
600 		tmp = radeon_get_ib_value(p, idx) & MSAA_NUM_SAMPLES_MASK;
601 		track->nsamples = 1 << tmp;
602 		break;
603 	case CAYMAN_PA_SC_AA_CONFIG:
604 		if (p->rdev->family < CHIP_CAYMAN) {
605 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
606 				 "0x%04X\n", reg);
607 			return -EINVAL;
608 		}
609 		tmp = radeon_get_ib_value(p, idx) & CAYMAN_MSAA_NUM_SAMPLES_MASK;
610 		track->nsamples = 1 << tmp;
611 		break;
612 	case CB_COLOR0_VIEW:
613 	case CB_COLOR1_VIEW:
614 	case CB_COLOR2_VIEW:
615 	case CB_COLOR3_VIEW:
616 	case CB_COLOR4_VIEW:
617 	case CB_COLOR5_VIEW:
618 	case CB_COLOR6_VIEW:
619 	case CB_COLOR7_VIEW:
620 		tmp = (reg - CB_COLOR0_VIEW) / 0x3c;
621 		track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
622 		break;
623 	case CB_COLOR8_VIEW:
624 	case CB_COLOR9_VIEW:
625 	case CB_COLOR10_VIEW:
626 	case CB_COLOR11_VIEW:
627 		tmp = ((reg - CB_COLOR8_VIEW) / 0x1c) + 8;
628 		track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
629 		break;
630 	case CB_COLOR0_INFO:
631 	case CB_COLOR1_INFO:
632 	case CB_COLOR2_INFO:
633 	case CB_COLOR3_INFO:
634 	case CB_COLOR4_INFO:
635 	case CB_COLOR5_INFO:
636 	case CB_COLOR6_INFO:
637 	case CB_COLOR7_INFO:
638 		r = evergreen_cs_packet_next_reloc(p, &reloc);
639 		if (r) {
640 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
641 					"0x%04X\n", reg);
642 			return -EINVAL;
643 		}
644 		tmp = (reg - CB_COLOR0_INFO) / 0x3c;
645 		track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
646 		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
647 			ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
648 			track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
649 		} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
650 			ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
651 			track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
652 		}
653 		break;
654 	case CB_COLOR8_INFO:
655 	case CB_COLOR9_INFO:
656 	case CB_COLOR10_INFO:
657 	case CB_COLOR11_INFO:
658 		r = evergreen_cs_packet_next_reloc(p, &reloc);
659 		if (r) {
660 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
661 					"0x%04X\n", reg);
662 			return -EINVAL;
663 		}
664 		tmp = ((reg - CB_COLOR8_INFO) / 0x1c) + 8;
665 		track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
666 		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
667 			ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
668 			track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
669 		} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
670 			ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
671 			track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
672 		}
673 		break;
674 	case CB_COLOR0_PITCH:
675 	case CB_COLOR1_PITCH:
676 	case CB_COLOR2_PITCH:
677 	case CB_COLOR3_PITCH:
678 	case CB_COLOR4_PITCH:
679 	case CB_COLOR5_PITCH:
680 	case CB_COLOR6_PITCH:
681 	case CB_COLOR7_PITCH:
682 		tmp = (reg - CB_COLOR0_PITCH) / 0x3c;
683 		track->cb_color_pitch[tmp] = radeon_get_ib_value(p, idx);
684 		track->cb_color_pitch_idx[tmp] = idx;
685 		break;
686 	case CB_COLOR8_PITCH:
687 	case CB_COLOR9_PITCH:
688 	case CB_COLOR10_PITCH:
689 	case CB_COLOR11_PITCH:
690 		tmp = ((reg - CB_COLOR8_PITCH) / 0x1c) + 8;
691 		track->cb_color_pitch[tmp] = radeon_get_ib_value(p, idx);
692 		track->cb_color_pitch_idx[tmp] = idx;
693 		break;
694 	case CB_COLOR0_SLICE:
695 	case CB_COLOR1_SLICE:
696 	case CB_COLOR2_SLICE:
697 	case CB_COLOR3_SLICE:
698 	case CB_COLOR4_SLICE:
699 	case CB_COLOR5_SLICE:
700 	case CB_COLOR6_SLICE:
701 	case CB_COLOR7_SLICE:
702 		tmp = (reg - CB_COLOR0_SLICE) / 0x3c;
703 		track->cb_color_slice[tmp] = radeon_get_ib_value(p, idx);
704 		track->cb_color_slice_idx[tmp] = idx;
705 		break;
706 	case CB_COLOR8_SLICE:
707 	case CB_COLOR9_SLICE:
708 	case CB_COLOR10_SLICE:
709 	case CB_COLOR11_SLICE:
710 		tmp = ((reg - CB_COLOR8_SLICE) / 0x1c) + 8;
711 		track->cb_color_slice[tmp] = radeon_get_ib_value(p, idx);
712 		track->cb_color_slice_idx[tmp] = idx;
713 		break;
714 	case CB_COLOR0_ATTRIB:
715 	case CB_COLOR1_ATTRIB:
716 	case CB_COLOR2_ATTRIB:
717 	case CB_COLOR3_ATTRIB:
718 	case CB_COLOR4_ATTRIB:
719 	case CB_COLOR5_ATTRIB:
720 	case CB_COLOR6_ATTRIB:
721 	case CB_COLOR7_ATTRIB:
722 	case CB_COLOR8_ATTRIB:
723 	case CB_COLOR9_ATTRIB:
724 	case CB_COLOR10_ATTRIB:
725 	case CB_COLOR11_ATTRIB:
726 		break;
727 	case CB_COLOR0_DIM:
728 	case CB_COLOR1_DIM:
729 	case CB_COLOR2_DIM:
730 	case CB_COLOR3_DIM:
731 	case CB_COLOR4_DIM:
732 	case CB_COLOR5_DIM:
733 	case CB_COLOR6_DIM:
734 	case CB_COLOR7_DIM:
735 		tmp = (reg - CB_COLOR0_DIM) / 0x3c;
736 		track->cb_color_dim[tmp] = radeon_get_ib_value(p, idx);
737 		track->cb_color_dim_idx[tmp] = idx;
738 		break;
739 	case CB_COLOR8_DIM:
740 	case CB_COLOR9_DIM:
741 	case CB_COLOR10_DIM:
742 	case CB_COLOR11_DIM:
743 		tmp = ((reg - CB_COLOR8_DIM) / 0x1c) + 8;
744 		track->cb_color_dim[tmp] = radeon_get_ib_value(p, idx);
745 		track->cb_color_dim_idx[tmp] = idx;
746 		break;
747 	case CB_COLOR0_FMASK:
748 	case CB_COLOR1_FMASK:
749 	case CB_COLOR2_FMASK:
750 	case CB_COLOR3_FMASK:
751 	case CB_COLOR4_FMASK:
752 	case CB_COLOR5_FMASK:
753 	case CB_COLOR6_FMASK:
754 	case CB_COLOR7_FMASK:
755 		tmp = (reg - CB_COLOR0_FMASK) / 0x3c;
756 		r = evergreen_cs_packet_next_reloc(p, &reloc);
757 		if (r) {
758 			dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
759 			return -EINVAL;
760 		}
761 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
762 		track->cb_color_fmask_bo[tmp] = reloc->robj;
763 		break;
764 	case CB_COLOR0_CMASK:
765 	case CB_COLOR1_CMASK:
766 	case CB_COLOR2_CMASK:
767 	case CB_COLOR3_CMASK:
768 	case CB_COLOR4_CMASK:
769 	case CB_COLOR5_CMASK:
770 	case CB_COLOR6_CMASK:
771 	case CB_COLOR7_CMASK:
772 		tmp = (reg - CB_COLOR0_CMASK) / 0x3c;
773 		r = evergreen_cs_packet_next_reloc(p, &reloc);
774 		if (r) {
775 			dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
776 			return -EINVAL;
777 		}
778 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
779 		track->cb_color_cmask_bo[tmp] = reloc->robj;
780 		break;
781 	case CB_COLOR0_FMASK_SLICE:
782 	case CB_COLOR1_FMASK_SLICE:
783 	case CB_COLOR2_FMASK_SLICE:
784 	case CB_COLOR3_FMASK_SLICE:
785 	case CB_COLOR4_FMASK_SLICE:
786 	case CB_COLOR5_FMASK_SLICE:
787 	case CB_COLOR6_FMASK_SLICE:
788 	case CB_COLOR7_FMASK_SLICE:
789 		tmp = (reg - CB_COLOR0_FMASK_SLICE) / 0x3c;
790 		track->cb_color_fmask_slice[tmp] = radeon_get_ib_value(p, idx);
791 		break;
792 	case CB_COLOR0_CMASK_SLICE:
793 	case CB_COLOR1_CMASK_SLICE:
794 	case CB_COLOR2_CMASK_SLICE:
795 	case CB_COLOR3_CMASK_SLICE:
796 	case CB_COLOR4_CMASK_SLICE:
797 	case CB_COLOR5_CMASK_SLICE:
798 	case CB_COLOR6_CMASK_SLICE:
799 	case CB_COLOR7_CMASK_SLICE:
800 		tmp = (reg - CB_COLOR0_CMASK_SLICE) / 0x3c;
801 		track->cb_color_cmask_slice[tmp] = radeon_get_ib_value(p, idx);
802 		break;
803 	case CB_COLOR0_BASE:
804 	case CB_COLOR1_BASE:
805 	case CB_COLOR2_BASE:
806 	case CB_COLOR3_BASE:
807 	case CB_COLOR4_BASE:
808 	case CB_COLOR5_BASE:
809 	case CB_COLOR6_BASE:
810 	case CB_COLOR7_BASE:
811 		r = evergreen_cs_packet_next_reloc(p, &reloc);
812 		if (r) {
813 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
814 					"0x%04X\n", reg);
815 			return -EINVAL;
816 		}
817 		tmp = (reg - CB_COLOR0_BASE) / 0x3c;
818 		track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx);
819 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
820 		track->cb_color_base_last[tmp] = ib[idx];
821 		track->cb_color_bo[tmp] = reloc->robj;
822 		break;
823 	case CB_COLOR8_BASE:
824 	case CB_COLOR9_BASE:
825 	case CB_COLOR10_BASE:
826 	case CB_COLOR11_BASE:
827 		r = evergreen_cs_packet_next_reloc(p, &reloc);
828 		if (r) {
829 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
830 					"0x%04X\n", reg);
831 			return -EINVAL;
832 		}
833 		tmp = ((reg - CB_COLOR8_BASE) / 0x1c) + 8;
834 		track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx);
835 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
836 		track->cb_color_base_last[tmp] = ib[idx];
837 		track->cb_color_bo[tmp] = reloc->robj;
838 		break;
839 	case CB_IMMED0_BASE:
840 	case CB_IMMED1_BASE:
841 	case CB_IMMED2_BASE:
842 	case CB_IMMED3_BASE:
843 	case CB_IMMED4_BASE:
844 	case CB_IMMED5_BASE:
845 	case CB_IMMED6_BASE:
846 	case CB_IMMED7_BASE:
847 	case CB_IMMED8_BASE:
848 	case CB_IMMED9_BASE:
849 	case CB_IMMED10_BASE:
850 	case CB_IMMED11_BASE:
851 	case DB_HTILE_DATA_BASE:
852 	case SQ_PGM_START_FS:
853 	case SQ_PGM_START_ES:
854 	case SQ_PGM_START_VS:
855 	case SQ_PGM_START_GS:
856 	case SQ_PGM_START_PS:
857 	case SQ_PGM_START_HS:
858 	case SQ_PGM_START_LS:
859 	case GDS_ADDR_BASE:
860 	case SQ_CONST_MEM_BASE:
861 	case SQ_ALU_CONST_CACHE_GS_0:
862 	case SQ_ALU_CONST_CACHE_GS_1:
863 	case SQ_ALU_CONST_CACHE_GS_2:
864 	case SQ_ALU_CONST_CACHE_GS_3:
865 	case SQ_ALU_CONST_CACHE_GS_4:
866 	case SQ_ALU_CONST_CACHE_GS_5:
867 	case SQ_ALU_CONST_CACHE_GS_6:
868 	case SQ_ALU_CONST_CACHE_GS_7:
869 	case SQ_ALU_CONST_CACHE_GS_8:
870 	case SQ_ALU_CONST_CACHE_GS_9:
871 	case SQ_ALU_CONST_CACHE_GS_10:
872 	case SQ_ALU_CONST_CACHE_GS_11:
873 	case SQ_ALU_CONST_CACHE_GS_12:
874 	case SQ_ALU_CONST_CACHE_GS_13:
875 	case SQ_ALU_CONST_CACHE_GS_14:
876 	case SQ_ALU_CONST_CACHE_GS_15:
877 	case SQ_ALU_CONST_CACHE_PS_0:
878 	case SQ_ALU_CONST_CACHE_PS_1:
879 	case SQ_ALU_CONST_CACHE_PS_2:
880 	case SQ_ALU_CONST_CACHE_PS_3:
881 	case SQ_ALU_CONST_CACHE_PS_4:
882 	case SQ_ALU_CONST_CACHE_PS_5:
883 	case SQ_ALU_CONST_CACHE_PS_6:
884 	case SQ_ALU_CONST_CACHE_PS_7:
885 	case SQ_ALU_CONST_CACHE_PS_8:
886 	case SQ_ALU_CONST_CACHE_PS_9:
887 	case SQ_ALU_CONST_CACHE_PS_10:
888 	case SQ_ALU_CONST_CACHE_PS_11:
889 	case SQ_ALU_CONST_CACHE_PS_12:
890 	case SQ_ALU_CONST_CACHE_PS_13:
891 	case SQ_ALU_CONST_CACHE_PS_14:
892 	case SQ_ALU_CONST_CACHE_PS_15:
893 	case SQ_ALU_CONST_CACHE_VS_0:
894 	case SQ_ALU_CONST_CACHE_VS_1:
895 	case SQ_ALU_CONST_CACHE_VS_2:
896 	case SQ_ALU_CONST_CACHE_VS_3:
897 	case SQ_ALU_CONST_CACHE_VS_4:
898 	case SQ_ALU_CONST_CACHE_VS_5:
899 	case SQ_ALU_CONST_CACHE_VS_6:
900 	case SQ_ALU_CONST_CACHE_VS_7:
901 	case SQ_ALU_CONST_CACHE_VS_8:
902 	case SQ_ALU_CONST_CACHE_VS_9:
903 	case SQ_ALU_CONST_CACHE_VS_10:
904 	case SQ_ALU_CONST_CACHE_VS_11:
905 	case SQ_ALU_CONST_CACHE_VS_12:
906 	case SQ_ALU_CONST_CACHE_VS_13:
907 	case SQ_ALU_CONST_CACHE_VS_14:
908 	case SQ_ALU_CONST_CACHE_VS_15:
909 	case SQ_ALU_CONST_CACHE_HS_0:
910 	case SQ_ALU_CONST_CACHE_HS_1:
911 	case SQ_ALU_CONST_CACHE_HS_2:
912 	case SQ_ALU_CONST_CACHE_HS_3:
913 	case SQ_ALU_CONST_CACHE_HS_4:
914 	case SQ_ALU_CONST_CACHE_HS_5:
915 	case SQ_ALU_CONST_CACHE_HS_6:
916 	case SQ_ALU_CONST_CACHE_HS_7:
917 	case SQ_ALU_CONST_CACHE_HS_8:
918 	case SQ_ALU_CONST_CACHE_HS_9:
919 	case SQ_ALU_CONST_CACHE_HS_10:
920 	case SQ_ALU_CONST_CACHE_HS_11:
921 	case SQ_ALU_CONST_CACHE_HS_12:
922 	case SQ_ALU_CONST_CACHE_HS_13:
923 	case SQ_ALU_CONST_CACHE_HS_14:
924 	case SQ_ALU_CONST_CACHE_HS_15:
925 	case SQ_ALU_CONST_CACHE_LS_0:
926 	case SQ_ALU_CONST_CACHE_LS_1:
927 	case SQ_ALU_CONST_CACHE_LS_2:
928 	case SQ_ALU_CONST_CACHE_LS_3:
929 	case SQ_ALU_CONST_CACHE_LS_4:
930 	case SQ_ALU_CONST_CACHE_LS_5:
931 	case SQ_ALU_CONST_CACHE_LS_6:
932 	case SQ_ALU_CONST_CACHE_LS_7:
933 	case SQ_ALU_CONST_CACHE_LS_8:
934 	case SQ_ALU_CONST_CACHE_LS_9:
935 	case SQ_ALU_CONST_CACHE_LS_10:
936 	case SQ_ALU_CONST_CACHE_LS_11:
937 	case SQ_ALU_CONST_CACHE_LS_12:
938 	case SQ_ALU_CONST_CACHE_LS_13:
939 	case SQ_ALU_CONST_CACHE_LS_14:
940 	case SQ_ALU_CONST_CACHE_LS_15:
941 		r = evergreen_cs_packet_next_reloc(p, &reloc);
942 		if (r) {
943 			dev_warn(p->dev, "bad SET_CONTEXT_REG "
944 					"0x%04X\n", reg);
945 			return -EINVAL;
946 		}
947 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
948 		break;
949 	default:
950 		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
951 		return -EINVAL;
952 	}
953 	return 0;
954 }
955 
956 /**
957  * evergreen_check_texture_resource() - check if register is authorized or not
958  * @p: parser structure holding parsing context
959  * @idx: index into the cs buffer
960  * @texture: texture's bo structure
961  * @mipmap: mipmap's bo structure
962  *
963  * This function will check that the resource has valid field and that
964  * the texture and mipmap bo object are big enough to cover this resource.
965  */
966 static inline int evergreen_check_texture_resource(struct radeon_cs_parser *p,  u32 idx,
967 						   struct radeon_bo *texture,
968 						   struct radeon_bo *mipmap)
969 {
970 	/* XXX fill in */
971 	return 0;
972 }
973 
974 static int evergreen_packet3_check(struct radeon_cs_parser *p,
975 				   struct radeon_cs_packet *pkt)
976 {
977 	struct radeon_cs_reloc *reloc;
978 	struct evergreen_cs_track *track;
979 	volatile u32 *ib;
980 	unsigned idx;
981 	unsigned i;
982 	unsigned start_reg, end_reg, reg;
983 	int r;
984 	u32 idx_value;
985 
986 	track = (struct evergreen_cs_track *)p->track;
987 	ib = p->ib->ptr;
988 	idx = pkt->idx + 1;
989 	idx_value = radeon_get_ib_value(p, idx);
990 
991 	switch (pkt->opcode) {
992 	case PACKET3_SET_PREDICATION:
993 	{
994 		int pred_op;
995 		int tmp;
996 		if (pkt->count != 1) {
997 			DRM_ERROR("bad SET PREDICATION\n");
998 			return -EINVAL;
999 		}
1000 
1001 		tmp = radeon_get_ib_value(p, idx + 1);
1002 		pred_op = (tmp >> 16) & 0x7;
1003 
1004 		/* for the clear predicate operation */
1005 		if (pred_op == 0)
1006 			return 0;
1007 
1008 		if (pred_op > 2) {
1009 			DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op);
1010 			return -EINVAL;
1011 		}
1012 
1013 		r = evergreen_cs_packet_next_reloc(p, &reloc);
1014 		if (r) {
1015 			DRM_ERROR("bad SET PREDICATION\n");
1016 			return -EINVAL;
1017 		}
1018 
1019 		ib[idx + 0] = idx_value + (u32)(reloc->lobj.gpu_offset & 0xffffffff);
1020 		ib[idx + 1] = tmp + (upper_32_bits(reloc->lobj.gpu_offset) & 0xff);
1021 	}
1022 	break;
1023 	case PACKET3_CONTEXT_CONTROL:
1024 		if (pkt->count != 1) {
1025 			DRM_ERROR("bad CONTEXT_CONTROL\n");
1026 			return -EINVAL;
1027 		}
1028 		break;
1029 	case PACKET3_INDEX_TYPE:
1030 	case PACKET3_NUM_INSTANCES:
1031 	case PACKET3_CLEAR_STATE:
1032 		if (pkt->count) {
1033 			DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES/CLEAR_STATE\n");
1034 			return -EINVAL;
1035 		}
1036 		break;
1037 	case CAYMAN_PACKET3_DEALLOC_STATE:
1038 		if (p->rdev->family < CHIP_CAYMAN) {
1039 			DRM_ERROR("bad PACKET3_DEALLOC_STATE\n");
1040 			return -EINVAL;
1041 		}
1042 		if (pkt->count) {
1043 			DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES/CLEAR_STATE\n");
1044 			return -EINVAL;
1045 		}
1046 		break;
1047 	case PACKET3_INDEX_BASE:
1048 		if (pkt->count != 1) {
1049 			DRM_ERROR("bad INDEX_BASE\n");
1050 			return -EINVAL;
1051 		}
1052 		r = evergreen_cs_packet_next_reloc(p, &reloc);
1053 		if (r) {
1054 			DRM_ERROR("bad INDEX_BASE\n");
1055 			return -EINVAL;
1056 		}
1057 		ib[idx+0] = idx_value + (u32)(reloc->lobj.gpu_offset & 0xffffffff);
1058 		ib[idx+1] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
1059 		r = evergreen_cs_track_check(p);
1060 		if (r) {
1061 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1062 			return r;
1063 		}
1064 		break;
1065 	case PACKET3_DRAW_INDEX:
1066 		if (pkt->count != 3) {
1067 			DRM_ERROR("bad DRAW_INDEX\n");
1068 			return -EINVAL;
1069 		}
1070 		r = evergreen_cs_packet_next_reloc(p, &reloc);
1071 		if (r) {
1072 			DRM_ERROR("bad DRAW_INDEX\n");
1073 			return -EINVAL;
1074 		}
1075 		ib[idx+0] = idx_value + (u32)(reloc->lobj.gpu_offset & 0xffffffff);
1076 		ib[idx+1] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
1077 		r = evergreen_cs_track_check(p);
1078 		if (r) {
1079 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1080 			return r;
1081 		}
1082 		break;
1083 	case PACKET3_DRAW_INDEX_2:
1084 		if (pkt->count != 4) {
1085 			DRM_ERROR("bad DRAW_INDEX_2\n");
1086 			return -EINVAL;
1087 		}
1088 		r = evergreen_cs_packet_next_reloc(p, &reloc);
1089 		if (r) {
1090 			DRM_ERROR("bad DRAW_INDEX_2\n");
1091 			return -EINVAL;
1092 		}
1093 		ib[idx+1] = idx_value + (u32)(reloc->lobj.gpu_offset & 0xffffffff);
1094 		ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
1095 		r = evergreen_cs_track_check(p);
1096 		if (r) {
1097 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1098 			return r;
1099 		}
1100 		break;
1101 	case PACKET3_DRAW_INDEX_AUTO:
1102 		if (pkt->count != 1) {
1103 			DRM_ERROR("bad DRAW_INDEX_AUTO\n");
1104 			return -EINVAL;
1105 		}
1106 		r = evergreen_cs_track_check(p);
1107 		if (r) {
1108 			dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
1109 			return r;
1110 		}
1111 		break;
1112 	case PACKET3_DRAW_INDEX_MULTI_AUTO:
1113 		if (pkt->count != 2) {
1114 			DRM_ERROR("bad DRAW_INDEX_MULTI_AUTO\n");
1115 			return -EINVAL;
1116 		}
1117 		r = evergreen_cs_track_check(p);
1118 		if (r) {
1119 			dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
1120 			return r;
1121 		}
1122 		break;
1123 	case PACKET3_DRAW_INDEX_IMMD:
1124 		if (pkt->count < 2) {
1125 			DRM_ERROR("bad DRAW_INDEX_IMMD\n");
1126 			return -EINVAL;
1127 		}
1128 		r = evergreen_cs_track_check(p);
1129 		if (r) {
1130 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1131 			return r;
1132 		}
1133 		break;
1134 	case PACKET3_DRAW_INDEX_OFFSET:
1135 		if (pkt->count != 2) {
1136 			DRM_ERROR("bad DRAW_INDEX_OFFSET\n");
1137 			return -EINVAL;
1138 		}
1139 		r = evergreen_cs_track_check(p);
1140 		if (r) {
1141 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1142 			return r;
1143 		}
1144 		break;
1145 	case PACKET3_DRAW_INDEX_OFFSET_2:
1146 		if (pkt->count != 3) {
1147 			DRM_ERROR("bad DRAW_INDEX_OFFSET_2\n");
1148 			return -EINVAL;
1149 		}
1150 		r = evergreen_cs_track_check(p);
1151 		if (r) {
1152 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1153 			return r;
1154 		}
1155 		break;
1156 	case PACKET3_WAIT_REG_MEM:
1157 		if (pkt->count != 5) {
1158 			DRM_ERROR("bad WAIT_REG_MEM\n");
1159 			return -EINVAL;
1160 		}
1161 		/* bit 4 is reg (0) or mem (1) */
1162 		if (idx_value & 0x10) {
1163 			r = evergreen_cs_packet_next_reloc(p, &reloc);
1164 			if (r) {
1165 				DRM_ERROR("bad WAIT_REG_MEM\n");
1166 				return -EINVAL;
1167 			}
1168 			ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff);
1169 			ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
1170 		}
1171 		break;
1172 	case PACKET3_SURFACE_SYNC:
1173 		if (pkt->count != 3) {
1174 			DRM_ERROR("bad SURFACE_SYNC\n");
1175 			return -EINVAL;
1176 		}
1177 		/* 0xffffffff/0x0 is flush all cache flag */
1178 		if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
1179 		    radeon_get_ib_value(p, idx + 2) != 0) {
1180 			r = evergreen_cs_packet_next_reloc(p, &reloc);
1181 			if (r) {
1182 				DRM_ERROR("bad SURFACE_SYNC\n");
1183 				return -EINVAL;
1184 			}
1185 			ib[idx+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1186 		}
1187 		break;
1188 	case PACKET3_EVENT_WRITE:
1189 		if (pkt->count != 2 && pkt->count != 0) {
1190 			DRM_ERROR("bad EVENT_WRITE\n");
1191 			return -EINVAL;
1192 		}
1193 		if (pkt->count) {
1194 			r = evergreen_cs_packet_next_reloc(p, &reloc);
1195 			if (r) {
1196 				DRM_ERROR("bad EVENT_WRITE\n");
1197 				return -EINVAL;
1198 			}
1199 			ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff);
1200 			ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
1201 		}
1202 		break;
1203 	case PACKET3_EVENT_WRITE_EOP:
1204 		if (pkt->count != 4) {
1205 			DRM_ERROR("bad EVENT_WRITE_EOP\n");
1206 			return -EINVAL;
1207 		}
1208 		r = evergreen_cs_packet_next_reloc(p, &reloc);
1209 		if (r) {
1210 			DRM_ERROR("bad EVENT_WRITE_EOP\n");
1211 			return -EINVAL;
1212 		}
1213 		ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff);
1214 		ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
1215 		break;
1216 	case PACKET3_EVENT_WRITE_EOS:
1217 		if (pkt->count != 3) {
1218 			DRM_ERROR("bad EVENT_WRITE_EOS\n");
1219 			return -EINVAL;
1220 		}
1221 		r = evergreen_cs_packet_next_reloc(p, &reloc);
1222 		if (r) {
1223 			DRM_ERROR("bad EVENT_WRITE_EOS\n");
1224 			return -EINVAL;
1225 		}
1226 		ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff);
1227 		ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
1228 		break;
1229 	case PACKET3_SET_CONFIG_REG:
1230 		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
1231 		end_reg = 4 * pkt->count + start_reg - 4;
1232 		if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
1233 		    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
1234 		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
1235 			DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
1236 			return -EINVAL;
1237 		}
1238 		for (i = 0; i < pkt->count; i++) {
1239 			reg = start_reg + (4 * i);
1240 			r = evergreen_cs_check_reg(p, reg, idx+1+i);
1241 			if (r)
1242 				return r;
1243 		}
1244 		break;
1245 	case PACKET3_SET_CONTEXT_REG:
1246 		start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_START;
1247 		end_reg = 4 * pkt->count + start_reg - 4;
1248 		if ((start_reg < PACKET3_SET_CONTEXT_REG_START) ||
1249 		    (start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
1250 		    (end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
1251 			DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n");
1252 			return -EINVAL;
1253 		}
1254 		for (i = 0; i < pkt->count; i++) {
1255 			reg = start_reg + (4 * i);
1256 			r = evergreen_cs_check_reg(p, reg, idx+1+i);
1257 			if (r)
1258 				return r;
1259 		}
1260 		break;
1261 	case PACKET3_SET_RESOURCE:
1262 		if (pkt->count % 8) {
1263 			DRM_ERROR("bad SET_RESOURCE\n");
1264 			return -EINVAL;
1265 		}
1266 		start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_START;
1267 		end_reg = 4 * pkt->count + start_reg - 4;
1268 		if ((start_reg < PACKET3_SET_RESOURCE_START) ||
1269 		    (start_reg >= PACKET3_SET_RESOURCE_END) ||
1270 		    (end_reg >= PACKET3_SET_RESOURCE_END)) {
1271 			DRM_ERROR("bad SET_RESOURCE\n");
1272 			return -EINVAL;
1273 		}
1274 		for (i = 0; i < (pkt->count / 8); i++) {
1275 			struct radeon_bo *texture, *mipmap;
1276 			u32 size, offset;
1277 
1278 			switch (G__SQ_CONSTANT_TYPE(radeon_get_ib_value(p, idx+1+(i*8)+7))) {
1279 			case SQ_TEX_VTX_VALID_TEXTURE:
1280 				/* tex base */
1281 				r = evergreen_cs_packet_next_reloc(p, &reloc);
1282 				if (r) {
1283 					DRM_ERROR("bad SET_RESOURCE (tex)\n");
1284 					return -EINVAL;
1285 				}
1286 				ib[idx+1+(i*8)+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1287 				if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1288 					ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
1289 				else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1290 					ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
1291 				texture = reloc->robj;
1292 				/* tex mip base */
1293 				r = evergreen_cs_packet_next_reloc(p, &reloc);
1294 				if (r) {
1295 					DRM_ERROR("bad SET_RESOURCE (tex)\n");
1296 					return -EINVAL;
1297 				}
1298 				ib[idx+1+(i*8)+3] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1299 				mipmap = reloc->robj;
1300 				r = evergreen_check_texture_resource(p,  idx+1+(i*8),
1301 						texture, mipmap);
1302 				if (r)
1303 					return r;
1304 				break;
1305 			case SQ_TEX_VTX_VALID_BUFFER:
1306 				/* vtx base */
1307 				r = evergreen_cs_packet_next_reloc(p, &reloc);
1308 				if (r) {
1309 					DRM_ERROR("bad SET_RESOURCE (vtx)\n");
1310 					return -EINVAL;
1311 				}
1312 				offset = radeon_get_ib_value(p, idx+1+(i*8)+0);
1313 				size = radeon_get_ib_value(p, idx+1+(i*8)+1);
1314 				if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
1315 					/* force size to size of the buffer */
1316 					dev_warn(p->dev, "vbo resource seems too big for the bo\n");
1317 					ib[idx+1+(i*8)+1] = radeon_bo_size(reloc->robj);
1318 				}
1319 				ib[idx+1+(i*8)+0] += (u32)((reloc->lobj.gpu_offset) & 0xffffffff);
1320 				ib[idx+1+(i*8)+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
1321 				break;
1322 			case SQ_TEX_VTX_INVALID_TEXTURE:
1323 			case SQ_TEX_VTX_INVALID_BUFFER:
1324 			default:
1325 				DRM_ERROR("bad SET_RESOURCE\n");
1326 				return -EINVAL;
1327 			}
1328 		}
1329 		break;
1330 	case PACKET3_SET_ALU_CONST:
1331 		/* XXX fix me ALU const buffers only */
1332 		break;
1333 	case PACKET3_SET_BOOL_CONST:
1334 		start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_START;
1335 		end_reg = 4 * pkt->count + start_reg - 4;
1336 		if ((start_reg < PACKET3_SET_BOOL_CONST_START) ||
1337 		    (start_reg >= PACKET3_SET_BOOL_CONST_END) ||
1338 		    (end_reg >= PACKET3_SET_BOOL_CONST_END)) {
1339 			DRM_ERROR("bad SET_BOOL_CONST\n");
1340 			return -EINVAL;
1341 		}
1342 		break;
1343 	case PACKET3_SET_LOOP_CONST:
1344 		start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_START;
1345 		end_reg = 4 * pkt->count + start_reg - 4;
1346 		if ((start_reg < PACKET3_SET_LOOP_CONST_START) ||
1347 		    (start_reg >= PACKET3_SET_LOOP_CONST_END) ||
1348 		    (end_reg >= PACKET3_SET_LOOP_CONST_END)) {
1349 			DRM_ERROR("bad SET_LOOP_CONST\n");
1350 			return -EINVAL;
1351 		}
1352 		break;
1353 	case PACKET3_SET_CTL_CONST:
1354 		start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_START;
1355 		end_reg = 4 * pkt->count + start_reg - 4;
1356 		if ((start_reg < PACKET3_SET_CTL_CONST_START) ||
1357 		    (start_reg >= PACKET3_SET_CTL_CONST_END) ||
1358 		    (end_reg >= PACKET3_SET_CTL_CONST_END)) {
1359 			DRM_ERROR("bad SET_CTL_CONST\n");
1360 			return -EINVAL;
1361 		}
1362 		break;
1363 	case PACKET3_SET_SAMPLER:
1364 		if (pkt->count % 3) {
1365 			DRM_ERROR("bad SET_SAMPLER\n");
1366 			return -EINVAL;
1367 		}
1368 		start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_START;
1369 		end_reg = 4 * pkt->count + start_reg - 4;
1370 		if ((start_reg < PACKET3_SET_SAMPLER_START) ||
1371 		    (start_reg >= PACKET3_SET_SAMPLER_END) ||
1372 		    (end_reg >= PACKET3_SET_SAMPLER_END)) {
1373 			DRM_ERROR("bad SET_SAMPLER\n");
1374 			return -EINVAL;
1375 		}
1376 		break;
1377 	case PACKET3_NOP:
1378 		break;
1379 	default:
1380 		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1381 		return -EINVAL;
1382 	}
1383 	return 0;
1384 }
1385 
1386 int evergreen_cs_parse(struct radeon_cs_parser *p)
1387 {
1388 	struct radeon_cs_packet pkt;
1389 	struct evergreen_cs_track *track;
1390 	int r;
1391 
1392 	if (p->track == NULL) {
1393 		/* initialize tracker, we are in kms */
1394 		track = kzalloc(sizeof(*track), GFP_KERNEL);
1395 		if (track == NULL)
1396 			return -ENOMEM;
1397 		evergreen_cs_track_init(track);
1398 		track->npipes = p->rdev->config.evergreen.tiling_npipes;
1399 		track->nbanks = p->rdev->config.evergreen.tiling_nbanks;
1400 		track->group_size = p->rdev->config.evergreen.tiling_group_size;
1401 		p->track = track;
1402 	}
1403 	do {
1404 		r = evergreen_cs_packet_parse(p, &pkt, p->idx);
1405 		if (r) {
1406 			kfree(p->track);
1407 			p->track = NULL;
1408 			return r;
1409 		}
1410 		p->idx += pkt.count + 2;
1411 		switch (pkt.type) {
1412 		case PACKET_TYPE0:
1413 			r = evergreen_cs_parse_packet0(p, &pkt);
1414 			break;
1415 		case PACKET_TYPE2:
1416 			break;
1417 		case PACKET_TYPE3:
1418 			r = evergreen_packet3_check(p, &pkt);
1419 			break;
1420 		default:
1421 			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1422 			kfree(p->track);
1423 			p->track = NULL;
1424 			return -EINVAL;
1425 		}
1426 		if (r) {
1427 			kfree(p->track);
1428 			p->track = NULL;
1429 			return r;
1430 		}
1431 	} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1432 #if 0
1433 	for (r = 0; r < p->ib->length_dw; r++) {
1434 		printk(KERN_INFO "%05d  0x%08X\n", r, p->ib->ptr[r]);
1435 		mdelay(1);
1436 	}
1437 #endif
1438 	kfree(p->track);
1439 	p->track = NULL;
1440 	return 0;
1441 }
1442 
1443