1/*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 *          Alex Deucher
26 *          Jerome Glisse
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD$");
31
32#include <dev/drm2/drmP.h>
33#include "radeon.h"
34#include "radeon_asic.h"
35#include "r600d.h"
36#include "r600_reg_safe.h"
37#include "r600_cp.h"
38#include "r600_cs.h"
39
40static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p,
41					struct radeon_cs_reloc **cs_reloc);
42typedef int (*next_reloc_t)(struct radeon_cs_parser*, struct radeon_cs_reloc**);
43static next_reloc_t r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_mm;
44#ifdef FREEBSD_WIP /* FreeBSD: to please GCC 4.2. */
45extern void r600_cs_legacy_get_tiling_conf(struct drm_device *dev, u32 *npipes, u32 *nbanks, u32 *group_size);
46#endif
47
48
49struct r600_cs_track {
50	/* configuration we miror so that we use same code btw kms/ums */
51	u32			group_size;
52	u32			nbanks;
53	u32			npipes;
54	/* value we track */
55	u32			sq_config;
56	u32			log_nsamples;
57	u32			nsamples;
58	u32			cb_color_base_last[8];
59	struct radeon_bo	*cb_color_bo[8];
60	u64			cb_color_bo_mc[8];
61	u64			cb_color_bo_offset[8];
62	struct radeon_bo	*cb_color_frag_bo[8];
63	u64			cb_color_frag_offset[8];
64	struct radeon_bo	*cb_color_tile_bo[8];
65	u64			cb_color_tile_offset[8];
66	u32			cb_color_mask[8];
67	u32			cb_color_info[8];
68	u32			cb_color_view[8];
69	u32			cb_color_size_idx[8]; /* unused */
70	u32			cb_target_mask;
71	u32			cb_shader_mask;  /* unused */
72	bool			is_resolve;
73	u32			cb_color_size[8];
74	u32			vgt_strmout_en;
75	u32			vgt_strmout_buffer_en;
76	struct radeon_bo	*vgt_strmout_bo[4];
77	u64			vgt_strmout_bo_mc[4]; /* unused */
78	u32			vgt_strmout_bo_offset[4];
79	u32			vgt_strmout_size[4];
80	u32			db_depth_control;
81	u32			db_depth_info;
82	u32			db_depth_size_idx;
83	u32			db_depth_view;
84	u32			db_depth_size;
85	u32			db_offset;
86	struct radeon_bo	*db_bo;
87	u64			db_bo_mc;
88	bool			sx_misc_kill_all_prims;
89	bool			cb_dirty;
90	bool			db_dirty;
91	bool			streamout_dirty;
92	struct radeon_bo	*htile_bo;
93	u64			htile_offset;
94	u32			htile_surface;
95};
96
97#define FMT_8_BIT(fmt, vc)   [fmt] = { 1, 1, 1, vc, CHIP_R600 }
98#define FMT_16_BIT(fmt, vc)  [fmt] = { 1, 1, 2, vc, CHIP_R600 }
99#define FMT_24_BIT(fmt)      [fmt] = { 1, 1, 4,  0, CHIP_R600 }
100#define FMT_32_BIT(fmt, vc)  [fmt] = { 1, 1, 4, vc, CHIP_R600 }
101#define FMT_48_BIT(fmt)      [fmt] = { 1, 1, 8,  0, CHIP_R600 }
102#define FMT_64_BIT(fmt, vc)  [fmt] = { 1, 1, 8, vc, CHIP_R600 }
103#define FMT_96_BIT(fmt)      [fmt] = { 1, 1, 12, 0, CHIP_R600 }
104#define FMT_128_BIT(fmt, vc) [fmt] = { 1, 1, 16,vc, CHIP_R600 }
105
106struct gpu_formats {
107	unsigned blockwidth;
108	unsigned blockheight;
109	unsigned blocksize;
110	unsigned valid_color;
111	enum radeon_family min_family;
112};
113
114static const struct gpu_formats color_formats_table[] = {
115	/* 8 bit */
116	FMT_8_BIT(V_038004_COLOR_8, 1),
117	FMT_8_BIT(V_038004_COLOR_4_4, 1),
118	FMT_8_BIT(V_038004_COLOR_3_3_2, 1),
119	FMT_8_BIT(V_038004_FMT_1, 0),
120
121	/* 16-bit */
122	FMT_16_BIT(V_038004_COLOR_16, 1),
123	FMT_16_BIT(V_038004_COLOR_16_FLOAT, 1),
124	FMT_16_BIT(V_038004_COLOR_8_8, 1),
125	FMT_16_BIT(V_038004_COLOR_5_6_5, 1),
126	FMT_16_BIT(V_038004_COLOR_6_5_5, 1),
127	FMT_16_BIT(V_038004_COLOR_1_5_5_5, 1),
128	FMT_16_BIT(V_038004_COLOR_4_4_4_4, 1),
129	FMT_16_BIT(V_038004_COLOR_5_5_5_1, 1),
130
131	/* 24-bit */
132	FMT_24_BIT(V_038004_FMT_8_8_8),
133
134	/* 32-bit */
135	FMT_32_BIT(V_038004_COLOR_32, 1),
136	FMT_32_BIT(V_038004_COLOR_32_FLOAT, 1),
137	FMT_32_BIT(V_038004_COLOR_16_16, 1),
138	FMT_32_BIT(V_038004_COLOR_16_16_FLOAT, 1),
139	FMT_32_BIT(V_038004_COLOR_8_24, 1),
140	FMT_32_BIT(V_038004_COLOR_8_24_FLOAT, 1),
141	FMT_32_BIT(V_038004_COLOR_24_8, 1),
142	FMT_32_BIT(V_038004_COLOR_24_8_FLOAT, 1),
143	FMT_32_BIT(V_038004_COLOR_10_11_11, 1),
144	FMT_32_BIT(V_038004_COLOR_10_11_11_FLOAT, 1),
145	FMT_32_BIT(V_038004_COLOR_11_11_10, 1),
146	FMT_32_BIT(V_038004_COLOR_11_11_10_FLOAT, 1),
147	FMT_32_BIT(V_038004_COLOR_2_10_10_10, 1),
148	FMT_32_BIT(V_038004_COLOR_8_8_8_8, 1),
149	FMT_32_BIT(V_038004_COLOR_10_10_10_2, 1),
150	FMT_32_BIT(V_038004_FMT_5_9_9_9_SHAREDEXP, 0),
151	FMT_32_BIT(V_038004_FMT_32_AS_8, 0),
152	FMT_32_BIT(V_038004_FMT_32_AS_8_8, 0),
153
154	/* 48-bit */
155	FMT_48_BIT(V_038004_FMT_16_16_16),
156	FMT_48_BIT(V_038004_FMT_16_16_16_FLOAT),
157
158	/* 64-bit */
159	FMT_64_BIT(V_038004_COLOR_X24_8_32_FLOAT, 1),
160	FMT_64_BIT(V_038004_COLOR_32_32, 1),
161	FMT_64_BIT(V_038004_COLOR_32_32_FLOAT, 1),
162	FMT_64_BIT(V_038004_COLOR_16_16_16_16, 1),
163	FMT_64_BIT(V_038004_COLOR_16_16_16_16_FLOAT, 1),
164
165	FMT_96_BIT(V_038004_FMT_32_32_32),
166	FMT_96_BIT(V_038004_FMT_32_32_32_FLOAT),
167
168	/* 128-bit */
169	FMT_128_BIT(V_038004_COLOR_32_32_32_32, 1),
170	FMT_128_BIT(V_038004_COLOR_32_32_32_32_FLOAT, 1),
171
172	[V_038004_FMT_GB_GR] = { 2, 1, 4, 0 },
173	[V_038004_FMT_BG_RG] = { 2, 1, 4, 0 },
174
175	/* block compressed formats */
176	[V_038004_FMT_BC1] = { 4, 4, 8, 0 },
177	[V_038004_FMT_BC2] = { 4, 4, 16, 0 },
178	[V_038004_FMT_BC3] = { 4, 4, 16, 0 },
179	[V_038004_FMT_BC4] = { 4, 4, 8, 0 },
180	[V_038004_FMT_BC5] = { 4, 4, 16, 0},
181	[V_038004_FMT_BC6] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
182	[V_038004_FMT_BC7] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
183
184	/* The other Evergreen formats */
185	[V_038004_FMT_32_AS_32_32_32_32] = { 1, 1, 4, 0, CHIP_CEDAR},
186};
187
188bool r600_fmt_is_valid_color(u32 format)
189{
190	if (format >= ARRAY_SIZE(color_formats_table))
191		return false;
192
193	if (color_formats_table[format].valid_color)
194		return true;
195
196	return false;
197}
198
199bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family)
200{
201	if (format >= ARRAY_SIZE(color_formats_table))
202		return false;
203
204	if (family < color_formats_table[format].min_family)
205		return false;
206
207	if (color_formats_table[format].blockwidth > 0)
208		return true;
209
210	return false;
211}
212
213int r600_fmt_get_blocksize(u32 format)
214{
215	if (format >= ARRAY_SIZE(color_formats_table))
216		return 0;
217
218	return color_formats_table[format].blocksize;
219}
220
221int r600_fmt_get_nblocksx(u32 format, u32 w)
222{
223	unsigned bw;
224
225	if (format >= ARRAY_SIZE(color_formats_table))
226		return 0;
227
228	bw = color_formats_table[format].blockwidth;
229	if (bw == 0)
230		return 0;
231
232	return (w + bw - 1) / bw;
233}
234
235int r600_fmt_get_nblocksy(u32 format, u32 h)
236{
237	unsigned bh;
238
239	if (format >= ARRAY_SIZE(color_formats_table))
240		return 0;
241
242	bh = color_formats_table[format].blockheight;
243	if (bh == 0)
244		return 0;
245
246	return (h + bh - 1) / bh;
247}
248
249struct array_mode_checker {
250	int array_mode;
251	u32 group_size;
252	u32 nbanks;
253	u32 npipes;
254	u32 nsamples;
255	u32 blocksize;
256};
257
258/* returns alignment in pixels for pitch/height/depth and bytes for base */
259static int r600_get_array_mode_alignment(struct array_mode_checker *values,
260						u32 *pitch_align,
261						u32 *height_align,
262						u32 *depth_align,
263						u64 *base_align)
264{
265	u32 tile_width = 8;
266	u32 tile_height = 8;
267	u32 macro_tile_width = values->nbanks;
268	u32 macro_tile_height = values->npipes;
269	u32 tile_bytes = tile_width * tile_height * values->blocksize * values->nsamples;
270	u32 macro_tile_bytes = macro_tile_width * macro_tile_height * tile_bytes;
271
272	switch (values->array_mode) {
273	case ARRAY_LINEAR_GENERAL:
274		/* technically tile_width/_height for pitch/height */
275		*pitch_align = 1; /* tile_width */
276		*height_align = 1; /* tile_height */
277		*depth_align = 1;
278		*base_align = 1;
279		break;
280	case ARRAY_LINEAR_ALIGNED:
281		*pitch_align = max((u32)64, (u32)(values->group_size / values->blocksize));
282		*height_align = 1;
283		*depth_align = 1;
284		*base_align = values->group_size;
285		break;
286	case ARRAY_1D_TILED_THIN1:
287		*pitch_align = max((u32)tile_width,
288				   (u32)(values->group_size /
289					 (tile_height * values->blocksize * values->nsamples)));
290		*height_align = tile_height;
291		*depth_align = 1;
292		*base_align = values->group_size;
293		break;
294	case ARRAY_2D_TILED_THIN1:
295		*pitch_align = max((u32)macro_tile_width * tile_width,
296				(u32)((values->group_size * values->nbanks) /
297				(values->blocksize * values->nsamples * tile_width)));
298		*height_align = macro_tile_height * tile_height;
299		*depth_align = 1;
300		*base_align = max(macro_tile_bytes,
301				  (*pitch_align) * values->blocksize * (*height_align) * values->nsamples);
302		break;
303	default:
304		return -EINVAL;
305	}
306
307	return 0;
308}
309
310static void r600_cs_track_init(struct r600_cs_track *track)
311{
312	int i;
313
314	/* assume DX9 mode */
315	track->sq_config = DX9_CONSTS;
316	for (i = 0; i < 8; i++) {
317		track->cb_color_base_last[i] = 0;
318		track->cb_color_size[i] = 0;
319		track->cb_color_size_idx[i] = 0;
320		track->cb_color_info[i] = 0;
321		track->cb_color_view[i] = 0xFFFFFFFF;
322		track->cb_color_bo[i] = NULL;
323		track->cb_color_bo_offset[i] = 0xFFFFFFFF;
324		track->cb_color_bo_mc[i] = 0xFFFFFFFF;
325		track->cb_color_frag_bo[i] = NULL;
326		track->cb_color_frag_offset[i] = 0xFFFFFFFF;
327		track->cb_color_tile_bo[i] = NULL;
328		track->cb_color_tile_offset[i] = 0xFFFFFFFF;
329		track->cb_color_mask[i] = 0xFFFFFFFF;
330	}
331	track->is_resolve = false;
332	track->nsamples = 16;
333	track->log_nsamples = 4;
334	track->cb_target_mask = 0xFFFFFFFF;
335	track->cb_shader_mask = 0xFFFFFFFF;
336	track->cb_dirty = true;
337	track->db_bo = NULL;
338	track->db_bo_mc = 0xFFFFFFFF;
339	/* assume the biggest format and that htile is enabled */
340	track->db_depth_info = 7 | (1 << 25);
341	track->db_depth_view = 0xFFFFC000;
342	track->db_depth_size = 0xFFFFFFFF;
343	track->db_depth_size_idx = 0;
344	track->db_depth_control = 0xFFFFFFFF;
345	track->db_dirty = true;
346	track->htile_bo = NULL;
347	track->htile_offset = 0xFFFFFFFF;
348	track->htile_surface = 0;
349
350	for (i = 0; i < 4; i++) {
351		track->vgt_strmout_size[i] = 0;
352		track->vgt_strmout_bo[i] = NULL;
353		track->vgt_strmout_bo_offset[i] = 0xFFFFFFFF;
354		track->vgt_strmout_bo_mc[i] = 0xFFFFFFFF;
355	}
356	track->streamout_dirty = true;
357	track->sx_misc_kill_all_prims = false;
358}
359
360static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
361{
362	struct r600_cs_track *track = p->track;
363	u32 slice_tile_max, size, tmp;
364	u32 height, height_align, pitch, pitch_align, depth_align;
365	u64 base_offset, base_align;
366	struct array_mode_checker array_check;
367	volatile u32 *ib = p->ib.ptr;
368	unsigned array_mode;
369	u32 format;
370	/* When resolve is used, the second colorbuffer has always 1 sample. */
371	unsigned nsamples = track->is_resolve && i == 1 ? 1 : track->nsamples;
372
373	size = radeon_bo_size(track->cb_color_bo[i]) - track->cb_color_bo_offset[i];
374	format = G_0280A0_FORMAT(track->cb_color_info[i]);
375	if (!r600_fmt_is_valid_color(format)) {
376		dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n",
377			 __func__, __LINE__, format,
378			i, track->cb_color_info[i]);
379		return -EINVAL;
380	}
381	/* pitch in pixels */
382	pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) * 8;
383	slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1;
384	slice_tile_max *= 64;
385	height = slice_tile_max / pitch;
386	if (height > 8192)
387		height = 8192;
388	array_mode = G_0280A0_ARRAY_MODE(track->cb_color_info[i]);
389
390	base_offset = track->cb_color_bo_mc[i] + track->cb_color_bo_offset[i];
391	array_check.array_mode = array_mode;
392	array_check.group_size = track->group_size;
393	array_check.nbanks = track->nbanks;
394	array_check.npipes = track->npipes;
395	array_check.nsamples = nsamples;
396	array_check.blocksize = r600_fmt_get_blocksize(format);
397	if (r600_get_array_mode_alignment(&array_check,
398					  &pitch_align, &height_align, &depth_align, &base_align)) {
399		dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
400			 G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
401			 track->cb_color_info[i]);
402		return -EINVAL;
403	}
404	switch (array_mode) {
405	case V_0280A0_ARRAY_LINEAR_GENERAL:
406		break;
407	case V_0280A0_ARRAY_LINEAR_ALIGNED:
408		break;
409	case V_0280A0_ARRAY_1D_TILED_THIN1:
410		/* avoid breaking userspace */
411		if (height > 7)
412			height &= ~0x7;
413		break;
414	case V_0280A0_ARRAY_2D_TILED_THIN1:
415		break;
416	default:
417		dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
418			G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
419			track->cb_color_info[i]);
420		return -EINVAL;
421	}
422
423	if (!IS_ALIGNED(pitch, pitch_align)) {
424		dev_warn(p->dev, "%s:%d cb pitch (%d, 0x%x, %d) invalid\n",
425			 __func__, __LINE__, pitch, pitch_align, array_mode);
426		return -EINVAL;
427	}
428	if (!IS_ALIGNED(height, height_align)) {
429		dev_warn(p->dev, "%s:%d cb height (%d, 0x%x, %d) invalid\n",
430			 __func__, __LINE__, height, height_align, array_mode);
431		return -EINVAL;
432	}
433	if (!IS_ALIGNED(base_offset, base_align)) {
434		dev_warn(p->dev, "%s offset[%d] 0x%jx 0x%jx, %d not aligned\n", __func__, i,
435			 (uintmax_t)base_offset, (uintmax_t)base_align, array_mode);
436		return -EINVAL;
437	}
438
439	/* check offset */
440	tmp = r600_fmt_get_nblocksy(format, height) * r600_fmt_get_nblocksx(format, pitch) *
441	      r600_fmt_get_blocksize(format) * nsamples;
442	switch (array_mode) {
443	default:
444	case V_0280A0_ARRAY_LINEAR_GENERAL:
445	case V_0280A0_ARRAY_LINEAR_ALIGNED:
446		tmp += track->cb_color_view[i] & 0xFF;
447		break;
448	case V_0280A0_ARRAY_1D_TILED_THIN1:
449	case V_0280A0_ARRAY_2D_TILED_THIN1:
450		tmp += G_028080_SLICE_MAX(track->cb_color_view[i]) * tmp;
451		break;
452	}
453	if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) {
454		if (array_mode == V_0280A0_ARRAY_LINEAR_GENERAL) {
455			/* the initial DDX does bad things with the CB size occasionally */
456			/* it rounds up height too far for slice tile max but the BO is smaller */
457			/* r600c,g also seem to flush at bad times in some apps resulting in
458			 * bogus values here. So for linear just allow anything to avoid breaking
459			 * broken userspace.
460			 */
461		} else {
462			dev_warn(p->dev, "%s offset[%d] %d %ju %d %lu too big (%d %d) (%d %d %d)\n",
463				 __func__, i, array_mode,
464				 (uintmax_t)track->cb_color_bo_offset[i], tmp,
465				 radeon_bo_size(track->cb_color_bo[i]),
466				 pitch, height, r600_fmt_get_nblocksx(format, pitch),
467				 r600_fmt_get_nblocksy(format, height),
468				 r600_fmt_get_blocksize(format));
469			return -EINVAL;
470		}
471	}
472	/* limit max tile */
473	tmp = (height * pitch) >> 6;
474	if (tmp < slice_tile_max)
475		slice_tile_max = tmp;
476	tmp = S_028060_PITCH_TILE_MAX((pitch / 8) - 1) |
477		S_028060_SLICE_TILE_MAX(slice_tile_max - 1);
478	ib[track->cb_color_size_idx[i]] = tmp;
479
480	/* FMASK/CMASK */
481	switch (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
482	case V_0280A0_TILE_DISABLE:
483		break;
484	case V_0280A0_FRAG_ENABLE:
485		if (track->nsamples > 1) {
486			uint32_t tile_max = G_028100_FMASK_TILE_MAX(track->cb_color_mask[i]);
487			/* the tile size is 8x8, but the size is in units of bits.
488			 * for bytes, do just * 8. */
489			uint32_t bytes = track->nsamples * track->log_nsamples * 8 * (tile_max + 1);
490
491			if (bytes + track->cb_color_frag_offset[i] >
492			    radeon_bo_size(track->cb_color_frag_bo[i])) {
493				dev_warn(p->dev, "%s FMASK_TILE_MAX too large "
494					 "(tile_max=%u, bytes=%u, offset=%ju, bo_size=%lu)\n",
495					 __func__, tile_max, bytes,
496					 (uintmax_t)track->cb_color_frag_offset[i],
497					 radeon_bo_size(track->cb_color_frag_bo[i]));
498				return -EINVAL;
499			}
500		}
501		/* fall through */
502	case V_0280A0_CLEAR_ENABLE:
503	{
504		uint32_t block_max = G_028100_CMASK_BLOCK_MAX(track->cb_color_mask[i]);
505		/* One block = 128x128 pixels, one 8x8 tile has 4 bits..
506		 * (128*128) / (8*8) / 2 = 128 bytes per block. */
507		uint32_t bytes = (block_max + 1) * 128;
508
509		if (bytes + track->cb_color_tile_offset[i] >
510		    radeon_bo_size(track->cb_color_tile_bo[i])) {
511			dev_warn(p->dev, "%s CMASK_BLOCK_MAX too large "
512				 "(block_max=%u, bytes=%u, offset=%ju, bo_size=%lu)\n",
513				 __func__, block_max, bytes,
514				 (uintmax_t)track->cb_color_tile_offset[i],
515				 radeon_bo_size(track->cb_color_tile_bo[i]));
516			return -EINVAL;
517		}
518		break;
519	}
520	default:
521		dev_warn(p->dev, "%s invalid tile mode\n", __func__);
522		return -EINVAL;
523	}
524	return 0;
525}
526
527static int r600_cs_track_validate_db(struct radeon_cs_parser *p)
528{
529	struct r600_cs_track *track = p->track;
530	u32 nviews, bpe, ntiles, size, slice_tile_max, tmp;
531	u32 height_align, pitch_align, depth_align;
532	u32 pitch = 8192;
533	u32 height = 8192;
534	u64 base_offset, base_align;
535	struct array_mode_checker array_check;
536	int array_mode;
537	volatile u32 *ib = p->ib.ptr;
538
539
540	if (track->db_bo == NULL) {
541		dev_warn(p->dev, "z/stencil with no depth buffer\n");
542		return -EINVAL;
543	}
544	switch (G_028010_FORMAT(track->db_depth_info)) {
545	case V_028010_DEPTH_16:
546		bpe = 2;
547		break;
548	case V_028010_DEPTH_X8_24:
549	case V_028010_DEPTH_8_24:
550	case V_028010_DEPTH_X8_24_FLOAT:
551	case V_028010_DEPTH_8_24_FLOAT:
552	case V_028010_DEPTH_32_FLOAT:
553		bpe = 4;
554		break;
555	case V_028010_DEPTH_X24_8_32_FLOAT:
556		bpe = 8;
557		break;
558	default:
559		dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info));
560		return -EINVAL;
561	}
562	if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
563		if (!track->db_depth_size_idx) {
564			dev_warn(p->dev, "z/stencil buffer size not set\n");
565			return -EINVAL;
566		}
567		tmp = radeon_bo_size(track->db_bo) - track->db_offset;
568		tmp = (tmp / bpe) >> 6;
569		if (!tmp) {
570			dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n",
571					track->db_depth_size, bpe, track->db_offset,
572					radeon_bo_size(track->db_bo));
573			return -EINVAL;
574		}
575		ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF);
576	} else {
577		size = radeon_bo_size(track->db_bo);
578		/* pitch in pixels */
579		pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8;
580		slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
581		slice_tile_max *= 64;
582		height = slice_tile_max / pitch;
583		if (height > 8192)
584			height = 8192;
585		base_offset = track->db_bo_mc + track->db_offset;
586		array_mode = G_028010_ARRAY_MODE(track->db_depth_info);
587		array_check.array_mode = array_mode;
588		array_check.group_size = track->group_size;
589		array_check.nbanks = track->nbanks;
590		array_check.npipes = track->npipes;
591		array_check.nsamples = track->nsamples;
592		array_check.blocksize = bpe;
593		if (r600_get_array_mode_alignment(&array_check,
594					&pitch_align, &height_align, &depth_align, &base_align)) {
595			dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
596					G_028010_ARRAY_MODE(track->db_depth_info),
597					track->db_depth_info);
598			return -EINVAL;
599		}
600		switch (array_mode) {
601		case V_028010_ARRAY_1D_TILED_THIN1:
602			/* don't break userspace */
603			height &= ~0x7;
604			break;
605		case V_028010_ARRAY_2D_TILED_THIN1:
606			break;
607		default:
608			dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
609					G_028010_ARRAY_MODE(track->db_depth_info),
610					track->db_depth_info);
611			return -EINVAL;
612		}
613
614		if (!IS_ALIGNED(pitch, pitch_align)) {
615			dev_warn(p->dev, "%s:%d db pitch (%d, 0x%x, %d) invalid\n",
616					__func__, __LINE__, pitch, pitch_align, array_mode);
617			return -EINVAL;
618		}
619		if (!IS_ALIGNED(height, height_align)) {
620			dev_warn(p->dev, "%s:%d db height (%d, 0x%x, %d) invalid\n",
621					__func__, __LINE__, height, height_align, array_mode);
622			return -EINVAL;
623		}
624		if (!IS_ALIGNED(base_offset, base_align)) {
625			dev_warn(p->dev, "%s offset 0x%jx, 0x%jx, %d not aligned\n", __func__,
626					(uintmax_t)base_offset, (uintmax_t)base_align, array_mode);
627			return -EINVAL;
628		}
629
630		ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
631		nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1;
632		tmp = ntiles * bpe * 64 * nviews * track->nsamples;
633		if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) {
634			dev_warn(p->dev, "z/stencil buffer (%d) too small (0x%08X %d %d %d -> %u have %lu)\n",
635					array_mode,
636					track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
637					radeon_bo_size(track->db_bo));
638			return -EINVAL;
639		}
640	}
641
642	/* hyperz */
643	if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) {
644		unsigned long size;
645		unsigned nbx, nby;
646
647		if (track->htile_bo == NULL) {
648			dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n",
649				 __func__, __LINE__, track->db_depth_info);
650			return -EINVAL;
651		}
652		if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
653			dev_warn(p->dev, "%s:%d htile can't be enabled with bogus db_depth_size 0x%08x\n",
654				 __func__, __LINE__, track->db_depth_size);
655			return -EINVAL;
656		}
657
658		nbx = pitch;
659		nby = height;
660		if (G_028D24_LINEAR(track->htile_surface)) {
661			/* nbx must be 16 htiles aligned == 16 * 8 pixel aligned */
662			nbx = roundup2(nbx, 16 * 8);
663			/* nby is npipes htiles aligned == npipes * 8 pixel aligned */
664			nby = roundup(nby, track->npipes * 8);
665		} else {
666			/* always assume 8x8 htile */
667			/* align is htile align * 8, htile align vary according to
668			 * number of pipe and tile width and nby
669			 */
670			switch (track->npipes) {
671			case 8:
672				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
673				nbx = roundup2(nbx, 64 * 8);
674				nby = roundup2(nby, 64 * 8);
675				break;
676			case 4:
677				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
678				nbx = roundup2(nbx, 64 * 8);
679				nby = roundup2(nby, 32 * 8);
680				break;
681			case 2:
682				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
683				nbx = roundup2(nbx, 32 * 8);
684				nby = roundup2(nby, 32 * 8);
685				break;
686			case 1:
687				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
688				nbx = roundup2(nbx, 32 * 8);
689				nby = roundup2(nby, 16 * 8);
690				break;
691			default:
692				dev_warn(p->dev, "%s:%d invalid num pipes %d\n",
693					 __func__, __LINE__, track->npipes);
694				return -EINVAL;
695			}
696		}
697		/* compute number of htile */
698		nbx = nbx >> 3;
699		nby = nby >> 3;
700		/* size must be aligned on npipes * 2K boundary */
701		size = roundup(nbx * nby * 4, track->npipes * (2 << 10));
702		size += track->htile_offset;
703
704		if (size > radeon_bo_size(track->htile_bo)) {
705			dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n",
706				 __func__, __LINE__, radeon_bo_size(track->htile_bo),
707				 size, nbx, nby);
708			return -EINVAL;
709		}
710	}
711
712	track->db_dirty = false;
713	return 0;
714}
715
716static int r600_cs_track_check(struct radeon_cs_parser *p)
717{
718	struct r600_cs_track *track = p->track;
719	u32 tmp;
720	int r, i;
721
722	/* on legacy kernel we don't perform advanced check */
723	if (p->rdev == NULL)
724		return 0;
725
726	/* check streamout */
727	if (track->streamout_dirty && track->vgt_strmout_en) {
728		for (i = 0; i < 4; i++) {
729			if (track->vgt_strmout_buffer_en & (1 << i)) {
730				if (track->vgt_strmout_bo[i]) {
731					u64 offset = (u64)track->vgt_strmout_bo_offset[i] +
732						(u64)track->vgt_strmout_size[i];
733					if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) {
734						DRM_ERROR("streamout %d bo too small: 0x%jx, 0x%lx\n",
735							  i, (uintmax_t)offset,
736							  radeon_bo_size(track->vgt_strmout_bo[i]));
737						return -EINVAL;
738					}
739				} else {
740					dev_warn(p->dev, "No buffer for streamout %d\n", i);
741					return -EINVAL;
742				}
743			}
744		}
745		track->streamout_dirty = false;
746	}
747
748	if (track->sx_misc_kill_all_prims)
749		return 0;
750
751	/* check that we have a cb for each enabled target, we don't check
752	 * shader_mask because it seems mesa isn't always setting it :(
753	 */
754	if (track->cb_dirty) {
755		tmp = track->cb_target_mask;
756
757		/* We must check both colorbuffers for RESOLVE. */
758		if (track->is_resolve) {
759			tmp |= 0xff;
760		}
761
762		for (i = 0; i < 8; i++) {
763			if ((tmp >> (i * 4)) & 0xF) {
764				/* at least one component is enabled */
765				if (track->cb_color_bo[i] == NULL) {
766					dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
767						__func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
768					return -EINVAL;
769				}
770				/* perform rewrite of CB_COLOR[0-7]_SIZE */
771				r = r600_cs_track_validate_cb(p, i);
772				if (r)
773					return r;
774			}
775		}
776		track->cb_dirty = false;
777	}
778
779	/* Check depth buffer */
780	if (track->db_dirty &&
781	    G_028010_FORMAT(track->db_depth_info) != V_028010_DEPTH_INVALID &&
782	    (G_028800_STENCIL_ENABLE(track->db_depth_control) ||
783	     G_028800_Z_ENABLE(track->db_depth_control))) {
784		r = r600_cs_track_validate_db(p);
785		if (r)
786			return r;
787	}
788
789	return 0;
790}
791
792/**
793 * r600_cs_packet_parse() - parse cp packet and point ib index to next packet
794 * @parser:	parser structure holding parsing context.
795 * @pkt:	where to store packet informations
796 *
797 * Assume that chunk_ib_index is properly set. Will return -EINVAL
798 * if packet is bigger than remaining ib size. or if packets is unknown.
799 **/
800static int r600_cs_packet_parse(struct radeon_cs_parser *p,
801			struct radeon_cs_packet *pkt,
802			unsigned idx)
803{
804	struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
805	uint32_t header;
806
807	if (idx >= ib_chunk->length_dw) {
808		DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
809			  idx, ib_chunk->length_dw);
810		return -EINVAL;
811	}
812	header = radeon_get_ib_value(p, idx);
813	pkt->idx = idx;
814	pkt->type = CP_PACKET_GET_TYPE(header);
815	pkt->count = CP_PACKET_GET_COUNT(header);
816	pkt->one_reg_wr = 0;
817	switch (pkt->type) {
818	case PACKET_TYPE0:
819		pkt->reg = CP_PACKET0_GET_REG(header);
820		break;
821	case PACKET_TYPE3:
822		pkt->opcode = CP_PACKET3_GET_OPCODE(header);
823		break;
824	case PACKET_TYPE2:
825		pkt->count = -1;
826		break;
827	default:
828		DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
829		return -EINVAL;
830	}
831	if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
832		DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
833			  pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
834		return -EINVAL;
835	}
836	return 0;
837}
838
839/**
840 * r600_cs_packet_next_reloc_mm() - parse next packet which should be reloc packet3
841 * @parser:		parser structure holding parsing context.
842 * @data:		pointer to relocation data
843 * @offset_start:	starting offset
844 * @offset_mask:	offset mask (to align start offset on)
845 * @reloc:		reloc informations
846 *
847 * Check next packet is relocation packet3, do bo validation and compute
848 * GPU offset using the provided start.
849 **/
850static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p,
851					struct radeon_cs_reloc **cs_reloc)
852{
853	struct radeon_cs_chunk *relocs_chunk;
854	struct radeon_cs_packet p3reloc;
855	unsigned idx;
856	int r;
857
858	if (p->chunk_relocs_idx == -1) {
859		DRM_ERROR("No relocation chunk !\n");
860		return -EINVAL;
861	}
862	*cs_reloc = NULL;
863	relocs_chunk = &p->chunks[p->chunk_relocs_idx];
864	r = r600_cs_packet_parse(p, &p3reloc, p->idx);
865	if (r) {
866		return r;
867	}
868	p->idx += p3reloc.count + 2;
869	if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
870		DRM_ERROR("No packet3 for relocation for packet at %d.\n",
871			  p3reloc.idx);
872		return -EINVAL;
873	}
874	idx = radeon_get_ib_value(p, p3reloc.idx + 1);
875	if (idx >= relocs_chunk->length_dw) {
876		DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
877			  idx, relocs_chunk->length_dw);
878		return -EINVAL;
879	}
880	/* FIXME: we assume reloc size is 4 dwords */
881	*cs_reloc = p->relocs_ptr[(idx / 4)];
882	return 0;
883}
884
885/**
886 * r600_cs_packet_next_is_pkt3_nop() - test if next packet is packet3 nop for reloc
887 * @parser:		parser structure holding parsing context.
888 *
889 * Check next packet is relocation packet3, do bo validation and compute
890 * GPU offset using the provided start.
891 **/
892static int r600_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p)
893{
894	struct radeon_cs_packet p3reloc;
895	int r;
896
897	r = r600_cs_packet_parse(p, &p3reloc, p->idx);
898	if (r) {
899		return 0;
900	}
901	if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
902		return 0;
903	}
904	return 1;
905}
906
907/**
908 * r600_cs_packet_next_vline() - parse userspace VLINE packet
909 * @parser:		parser structure holding parsing context.
910 *
911 * Userspace sends a special sequence for VLINE waits.
912 * PACKET0 - VLINE_START_END + value
913 * PACKET3 - WAIT_REG_MEM poll vline status reg
914 * RELOC (P3) - crtc_id in reloc.
915 *
916 * This function parses this and relocates the VLINE START END
917 * and WAIT_REG_MEM packets to the correct crtc.
918 * It also detects a switched off crtc and nulls out the
919 * wait in that case.
920 */
921static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p)
922{
923	struct drm_mode_object *obj;
924	struct drm_crtc *crtc;
925	struct radeon_crtc *radeon_crtc;
926	struct radeon_cs_packet p3reloc, wait_reg_mem;
927	int crtc_id;
928	int r;
929	uint32_t header, h_idx, reg, wait_reg_mem_info;
930	volatile uint32_t *ib;
931
932	ib = p->ib.ptr;
933
934	/* parse the WAIT_REG_MEM */
935	r = r600_cs_packet_parse(p, &wait_reg_mem, p->idx);
936	if (r)
937		return r;
938
939	/* check its a WAIT_REG_MEM */
940	if (wait_reg_mem.type != PACKET_TYPE3 ||
941	    wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) {
942		DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n");
943		return -EINVAL;
944	}
945
946	wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1);
947	/* bit 4 is reg (0) or mem (1) */
948	if (wait_reg_mem_info & 0x10) {
949		DRM_ERROR("vline WAIT_REG_MEM waiting on MEM rather than REG\n");
950		return -EINVAL;
951	}
952	/* waiting for value to be equal */
953	if ((wait_reg_mem_info & 0x7) != 0x3) {
954		DRM_ERROR("vline WAIT_REG_MEM function not equal\n");
955		return -EINVAL;
956	}
957	if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != AVIVO_D1MODE_VLINE_STATUS) {
958		DRM_ERROR("vline WAIT_REG_MEM bad reg\n");
959		return -EINVAL;
960	}
961
962	if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != AVIVO_D1MODE_VLINE_STAT) {
963		DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n");
964		return -EINVAL;
965	}
966
967	/* jump over the NOP */
968	r = r600_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2);
969	if (r)
970		return r;
971
972	h_idx = p->idx - 2;
973	p->idx += wait_reg_mem.count + 2;
974	p->idx += p3reloc.count + 2;
975
976	header = radeon_get_ib_value(p, h_idx);
977	crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1);
978	reg = CP_PACKET0_GET_REG(header);
979
980	obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
981	if (!obj) {
982		DRM_ERROR("cannot find crtc %d\n", crtc_id);
983		return -EINVAL;
984	}
985	crtc = obj_to_crtc(obj);
986	radeon_crtc = to_radeon_crtc(crtc);
987	crtc_id = radeon_crtc->crtc_id;
988
989	if (!crtc->enabled) {
990		/* if the CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */
991		ib[h_idx + 2] = PACKET2(0);
992		ib[h_idx + 3] = PACKET2(0);
993		ib[h_idx + 4] = PACKET2(0);
994		ib[h_idx + 5] = PACKET2(0);
995		ib[h_idx + 6] = PACKET2(0);
996		ib[h_idx + 7] = PACKET2(0);
997		ib[h_idx + 8] = PACKET2(0);
998	} else if (crtc_id == 1) {
999		switch (reg) {
1000		case AVIVO_D1MODE_VLINE_START_END:
1001			header &= ~R600_CP_PACKET0_REG_MASK;
1002			header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1003			break;
1004		default:
1005			DRM_ERROR("unknown crtc reloc\n");
1006			return -EINVAL;
1007		}
1008		ib[h_idx] = header;
1009		ib[h_idx + 4] = AVIVO_D2MODE_VLINE_STATUS >> 2;
1010	}
1011
1012	return 0;
1013}
1014
1015static int r600_packet0_check(struct radeon_cs_parser *p,
1016				struct radeon_cs_packet *pkt,
1017				unsigned idx, unsigned reg)
1018{
1019	int r;
1020
1021	switch (reg) {
1022	case AVIVO_D1MODE_VLINE_START_END:
1023		r = r600_cs_packet_parse_vline(p);
1024		if (r) {
1025			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1026					idx, reg);
1027			return r;
1028		}
1029		break;
1030	default:
1031		DRM_ERROR("Forbidden register 0x%04X in cs at %d\n",
1032		       reg, idx);
1033		return -EINVAL;
1034	}
1035	return 0;
1036}
1037
1038static int r600_cs_parse_packet0(struct radeon_cs_parser *p,
1039				struct radeon_cs_packet *pkt)
1040{
1041	unsigned reg, i;
1042	unsigned idx;
1043	int r;
1044
1045	idx = pkt->idx + 1;
1046	reg = pkt->reg;
1047	for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
1048		r = r600_packet0_check(p, pkt, idx, reg);
1049		if (r) {
1050			return r;
1051		}
1052	}
1053	return 0;
1054}
1055
1056/**
1057 * r600_cs_check_reg() - check if register is authorized or not
1058 * @parser: parser structure holding parsing context
1059 * @reg: register we are testing
1060 * @idx: index into the cs buffer
1061 *
1062 * This function will test against r600_reg_safe_bm and return 0
1063 * if register is safe. If register is not flag as safe this function
1064 * will test it against a list of register needind special handling.
1065 */
1066static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1067{
1068	struct r600_cs_track *track = (struct r600_cs_track *)p->track;
1069	struct radeon_cs_reloc *reloc;
1070	u32 m, i, tmp, *ib;
1071	int r;
1072
1073	i = (reg >> 7);
1074	if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
1075		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1076		return -EINVAL;
1077	}
1078	m = 1 << ((reg >> 2) & 31);
1079	if (!(r600_reg_safe_bm[i] & m))
1080		return 0;
1081	ib = p->ib.ptr;
1082	switch (reg) {
1083	/* force following reg to 0 in an attempt to disable out buffer
1084	 * which will need us to better understand how it works to perform
1085	 * security check on it (Jerome)
1086	 */
1087	case R_0288A8_SQ_ESGS_RING_ITEMSIZE:
1088	case R_008C44_SQ_ESGS_RING_SIZE:
1089	case R_0288B0_SQ_ESTMP_RING_ITEMSIZE:
1090	case R_008C54_SQ_ESTMP_RING_SIZE:
1091	case R_0288C0_SQ_FBUF_RING_ITEMSIZE:
1092	case R_008C74_SQ_FBUF_RING_SIZE:
1093	case R_0288B4_SQ_GSTMP_RING_ITEMSIZE:
1094	case R_008C5C_SQ_GSTMP_RING_SIZE:
1095	case R_0288AC_SQ_GSVS_RING_ITEMSIZE:
1096	case R_008C4C_SQ_GSVS_RING_SIZE:
1097	case R_0288BC_SQ_PSTMP_RING_ITEMSIZE:
1098	case R_008C6C_SQ_PSTMP_RING_SIZE:
1099	case R_0288C4_SQ_REDUC_RING_ITEMSIZE:
1100	case R_008C7C_SQ_REDUC_RING_SIZE:
1101	case R_0288B8_SQ_VSTMP_RING_ITEMSIZE:
1102	case R_008C64_SQ_VSTMP_RING_SIZE:
1103	case R_0288C8_SQ_GS_VERT_ITEMSIZE:
1104		/* get value to populate the IB don't remove */
1105		tmp =radeon_get_ib_value(p, idx);
1106		ib[idx] = 0;
1107		break;
1108	case SQ_CONFIG:
1109		track->sq_config = radeon_get_ib_value(p, idx);
1110		break;
1111	case R_028800_DB_DEPTH_CONTROL:
1112		track->db_depth_control = radeon_get_ib_value(p, idx);
1113		track->db_dirty = true;
1114		break;
1115	case R_028010_DB_DEPTH_INFO:
1116		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
1117		    r600_cs_packet_next_is_pkt3_nop(p)) {
1118			r = r600_cs_packet_next_reloc(p, &reloc);
1119			if (r) {
1120				dev_warn(p->dev, "bad SET_CONTEXT_REG "
1121					 "0x%04X\n", reg);
1122				return -EINVAL;
1123			}
1124			track->db_depth_info = radeon_get_ib_value(p, idx);
1125			ib[idx] &= C_028010_ARRAY_MODE;
1126			track->db_depth_info &= C_028010_ARRAY_MODE;
1127			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
1128				ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
1129				track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
1130			} else {
1131				ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
1132				track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
1133			}
1134		} else {
1135			track->db_depth_info = radeon_get_ib_value(p, idx);
1136		}
1137		track->db_dirty = true;
1138		break;
1139	case R_028004_DB_DEPTH_VIEW:
1140		track->db_depth_view = radeon_get_ib_value(p, idx);
1141		track->db_dirty = true;
1142		break;
1143	case R_028000_DB_DEPTH_SIZE:
1144		track->db_depth_size = radeon_get_ib_value(p, idx);
1145		track->db_depth_size_idx = idx;
1146		track->db_dirty = true;
1147		break;
1148	case R_028AB0_VGT_STRMOUT_EN:
1149		track->vgt_strmout_en = radeon_get_ib_value(p, idx);
1150		track->streamout_dirty = true;
1151		break;
1152	case R_028B20_VGT_STRMOUT_BUFFER_EN:
1153		track->vgt_strmout_buffer_en = radeon_get_ib_value(p, idx);
1154		track->streamout_dirty = true;
1155		break;
1156	case VGT_STRMOUT_BUFFER_BASE_0:
1157	case VGT_STRMOUT_BUFFER_BASE_1:
1158	case VGT_STRMOUT_BUFFER_BASE_2:
1159	case VGT_STRMOUT_BUFFER_BASE_3:
1160		r = r600_cs_packet_next_reloc(p, &reloc);
1161		if (r) {
1162			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1163					"0x%04X\n", reg);
1164			return -EINVAL;
1165		}
1166		tmp = (reg - VGT_STRMOUT_BUFFER_BASE_0) / 16;
1167		track->vgt_strmout_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1168		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1169		track->vgt_strmout_bo[tmp] = reloc->robj;
1170		track->vgt_strmout_bo_mc[tmp] = reloc->lobj.gpu_offset;
1171		track->streamout_dirty = true;
1172		break;
1173	case VGT_STRMOUT_BUFFER_SIZE_0:
1174	case VGT_STRMOUT_BUFFER_SIZE_1:
1175	case VGT_STRMOUT_BUFFER_SIZE_2:
1176	case VGT_STRMOUT_BUFFER_SIZE_3:
1177		tmp = (reg - VGT_STRMOUT_BUFFER_SIZE_0) / 16;
1178		/* size in register is DWs, convert to bytes */
1179		track->vgt_strmout_size[tmp] = radeon_get_ib_value(p, idx) * 4;
1180		track->streamout_dirty = true;
1181		break;
1182	case CP_COHER_BASE:
1183		r = r600_cs_packet_next_reloc(p, &reloc);
1184		if (r) {
1185			dev_warn(p->dev, "missing reloc for CP_COHER_BASE "
1186					"0x%04X\n", reg);
1187			return -EINVAL;
1188		}
1189		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1190		break;
1191	case R_028238_CB_TARGET_MASK:
1192		track->cb_target_mask = radeon_get_ib_value(p, idx);
1193		track->cb_dirty = true;
1194		break;
1195	case R_02823C_CB_SHADER_MASK:
1196		track->cb_shader_mask = radeon_get_ib_value(p, idx);
1197		break;
1198	case R_028C04_PA_SC_AA_CONFIG:
1199		tmp = G_028C04_MSAA_NUM_SAMPLES(radeon_get_ib_value(p, idx));
1200		track->log_nsamples = tmp;
1201		track->nsamples = 1 << tmp;
1202		track->cb_dirty = true;
1203		break;
1204	case R_028808_CB_COLOR_CONTROL:
1205		tmp = G_028808_SPECIAL_OP(radeon_get_ib_value(p, idx));
1206		track->is_resolve = tmp == V_028808_SPECIAL_RESOLVE_BOX;
1207		track->cb_dirty = true;
1208		break;
1209	case R_0280A0_CB_COLOR0_INFO:
1210	case R_0280A4_CB_COLOR1_INFO:
1211	case R_0280A8_CB_COLOR2_INFO:
1212	case R_0280AC_CB_COLOR3_INFO:
1213	case R_0280B0_CB_COLOR4_INFO:
1214	case R_0280B4_CB_COLOR5_INFO:
1215	case R_0280B8_CB_COLOR6_INFO:
1216	case R_0280BC_CB_COLOR7_INFO:
1217		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
1218		     r600_cs_packet_next_is_pkt3_nop(p)) {
1219			r = r600_cs_packet_next_reloc(p, &reloc);
1220			if (r) {
1221				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1222				return -EINVAL;
1223			}
1224			tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1225			track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1226			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
1227				ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1228				track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1229			} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
1230				ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1231				track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1232			}
1233		} else {
1234			tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1235			track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1236		}
1237		track->cb_dirty = true;
1238		break;
1239	case R_028080_CB_COLOR0_VIEW:
1240	case R_028084_CB_COLOR1_VIEW:
1241	case R_028088_CB_COLOR2_VIEW:
1242	case R_02808C_CB_COLOR3_VIEW:
1243	case R_028090_CB_COLOR4_VIEW:
1244	case R_028094_CB_COLOR5_VIEW:
1245	case R_028098_CB_COLOR6_VIEW:
1246	case R_02809C_CB_COLOR7_VIEW:
1247		tmp = (reg - R_028080_CB_COLOR0_VIEW) / 4;
1248		track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
1249		track->cb_dirty = true;
1250		break;
1251	case R_028060_CB_COLOR0_SIZE:
1252	case R_028064_CB_COLOR1_SIZE:
1253	case R_028068_CB_COLOR2_SIZE:
1254	case R_02806C_CB_COLOR3_SIZE:
1255	case R_028070_CB_COLOR4_SIZE:
1256	case R_028074_CB_COLOR5_SIZE:
1257	case R_028078_CB_COLOR6_SIZE:
1258	case R_02807C_CB_COLOR7_SIZE:
1259		tmp = (reg - R_028060_CB_COLOR0_SIZE) / 4;
1260		track->cb_color_size[tmp] = radeon_get_ib_value(p, idx);
1261		track->cb_color_size_idx[tmp] = idx;
1262		track->cb_dirty = true;
1263		break;
1264		/* This register were added late, there is userspace
1265		 * which does provide relocation for those but set
1266		 * 0 offset. In order to avoid breaking old userspace
1267		 * we detect this and set address to point to last
1268		 * CB_COLOR0_BASE, note that if userspace doesn't set
1269		 * CB_COLOR0_BASE before this register we will report
1270		 * error. Old userspace always set CB_COLOR0_BASE
1271		 * before any of this.
1272		 */
1273	case R_0280E0_CB_COLOR0_FRAG:
1274	case R_0280E4_CB_COLOR1_FRAG:
1275	case R_0280E8_CB_COLOR2_FRAG:
1276	case R_0280EC_CB_COLOR3_FRAG:
1277	case R_0280F0_CB_COLOR4_FRAG:
1278	case R_0280F4_CB_COLOR5_FRAG:
1279	case R_0280F8_CB_COLOR6_FRAG:
1280	case R_0280FC_CB_COLOR7_FRAG:
1281		tmp = (reg - R_0280E0_CB_COLOR0_FRAG) / 4;
1282		if (!r600_cs_packet_next_is_pkt3_nop(p)) {
1283			if (!track->cb_color_base_last[tmp]) {
1284				dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1285				return -EINVAL;
1286			}
1287			track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp];
1288			track->cb_color_frag_offset[tmp] = track->cb_color_bo_offset[tmp];
1289			ib[idx] = track->cb_color_base_last[tmp];
1290		} else {
1291			r = r600_cs_packet_next_reloc(p, &reloc);
1292			if (r) {
1293				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1294				return -EINVAL;
1295			}
1296			track->cb_color_frag_bo[tmp] = reloc->robj;
1297			track->cb_color_frag_offset[tmp] = (u64)ib[idx] << 8;
1298			ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1299		}
1300		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1301			track->cb_dirty = true;
1302		}
1303		break;
1304	case R_0280C0_CB_COLOR0_TILE:
1305	case R_0280C4_CB_COLOR1_TILE:
1306	case R_0280C8_CB_COLOR2_TILE:
1307	case R_0280CC_CB_COLOR3_TILE:
1308	case R_0280D0_CB_COLOR4_TILE:
1309	case R_0280D4_CB_COLOR5_TILE:
1310	case R_0280D8_CB_COLOR6_TILE:
1311	case R_0280DC_CB_COLOR7_TILE:
1312		tmp = (reg - R_0280C0_CB_COLOR0_TILE) / 4;
1313		if (!r600_cs_packet_next_is_pkt3_nop(p)) {
1314			if (!track->cb_color_base_last[tmp]) {
1315				dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1316				return -EINVAL;
1317			}
1318			track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp];
1319			track->cb_color_tile_offset[tmp] = track->cb_color_bo_offset[tmp];
1320			ib[idx] = track->cb_color_base_last[tmp];
1321		} else {
1322			r = r600_cs_packet_next_reloc(p, &reloc);
1323			if (r) {
1324				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1325				return -EINVAL;
1326			}
1327			track->cb_color_tile_bo[tmp] = reloc->robj;
1328			track->cb_color_tile_offset[tmp] = (u64)ib[idx] << 8;
1329			ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1330		}
1331		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1332			track->cb_dirty = true;
1333		}
1334		break;
1335	case R_028100_CB_COLOR0_MASK:
1336	case R_028104_CB_COLOR1_MASK:
1337	case R_028108_CB_COLOR2_MASK:
1338	case R_02810C_CB_COLOR3_MASK:
1339	case R_028110_CB_COLOR4_MASK:
1340	case R_028114_CB_COLOR5_MASK:
1341	case R_028118_CB_COLOR6_MASK:
1342	case R_02811C_CB_COLOR7_MASK:
1343		tmp = (reg - R_028100_CB_COLOR0_MASK) / 4;
1344		track->cb_color_mask[tmp] = radeon_get_ib_value(p, idx);
1345		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1346			track->cb_dirty = true;
1347		}
1348		break;
1349	case CB_COLOR0_BASE:
1350	case CB_COLOR1_BASE:
1351	case CB_COLOR2_BASE:
1352	case CB_COLOR3_BASE:
1353	case CB_COLOR4_BASE:
1354	case CB_COLOR5_BASE:
1355	case CB_COLOR6_BASE:
1356	case CB_COLOR7_BASE:
1357		r = r600_cs_packet_next_reloc(p, &reloc);
1358		if (r) {
1359			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1360					"0x%04X\n", reg);
1361			return -EINVAL;
1362		}
1363		tmp = (reg - CB_COLOR0_BASE) / 4;
1364		track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1365		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1366		track->cb_color_base_last[tmp] = ib[idx];
1367		track->cb_color_bo[tmp] = reloc->robj;
1368		track->cb_color_bo_mc[tmp] = reloc->lobj.gpu_offset;
1369		track->cb_dirty = true;
1370		break;
1371	case DB_DEPTH_BASE:
1372		r = r600_cs_packet_next_reloc(p, &reloc);
1373		if (r) {
1374			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1375					"0x%04X\n", reg);
1376			return -EINVAL;
1377		}
1378		track->db_offset = radeon_get_ib_value(p, idx) << 8;
1379		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1380		track->db_bo = reloc->robj;
1381		track->db_bo_mc = reloc->lobj.gpu_offset;
1382		track->db_dirty = true;
1383		break;
1384	case DB_HTILE_DATA_BASE:
1385		r = r600_cs_packet_next_reloc(p, &reloc);
1386		if (r) {
1387			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1388					"0x%04X\n", reg);
1389			return -EINVAL;
1390		}
1391		track->htile_offset = radeon_get_ib_value(p, idx) << 8;
1392		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1393		track->htile_bo = reloc->robj;
1394		track->db_dirty = true;
1395		break;
1396	case DB_HTILE_SURFACE:
1397		track->htile_surface = radeon_get_ib_value(p, idx);
1398		/* force 8x8 htile width and height */
1399		ib[idx] |= 3;
1400		track->db_dirty = true;
1401		break;
1402	case SQ_PGM_START_FS:
1403	case SQ_PGM_START_ES:
1404	case SQ_PGM_START_VS:
1405	case SQ_PGM_START_GS:
1406	case SQ_PGM_START_PS:
1407	case SQ_ALU_CONST_CACHE_GS_0:
1408	case SQ_ALU_CONST_CACHE_GS_1:
1409	case SQ_ALU_CONST_CACHE_GS_2:
1410	case SQ_ALU_CONST_CACHE_GS_3:
1411	case SQ_ALU_CONST_CACHE_GS_4:
1412	case SQ_ALU_CONST_CACHE_GS_5:
1413	case SQ_ALU_CONST_CACHE_GS_6:
1414	case SQ_ALU_CONST_CACHE_GS_7:
1415	case SQ_ALU_CONST_CACHE_GS_8:
1416	case SQ_ALU_CONST_CACHE_GS_9:
1417	case SQ_ALU_CONST_CACHE_GS_10:
1418	case SQ_ALU_CONST_CACHE_GS_11:
1419	case SQ_ALU_CONST_CACHE_GS_12:
1420	case SQ_ALU_CONST_CACHE_GS_13:
1421	case SQ_ALU_CONST_CACHE_GS_14:
1422	case SQ_ALU_CONST_CACHE_GS_15:
1423	case SQ_ALU_CONST_CACHE_PS_0:
1424	case SQ_ALU_CONST_CACHE_PS_1:
1425	case SQ_ALU_CONST_CACHE_PS_2:
1426	case SQ_ALU_CONST_CACHE_PS_3:
1427	case SQ_ALU_CONST_CACHE_PS_4:
1428	case SQ_ALU_CONST_CACHE_PS_5:
1429	case SQ_ALU_CONST_CACHE_PS_6:
1430	case SQ_ALU_CONST_CACHE_PS_7:
1431	case SQ_ALU_CONST_CACHE_PS_8:
1432	case SQ_ALU_CONST_CACHE_PS_9:
1433	case SQ_ALU_CONST_CACHE_PS_10:
1434	case SQ_ALU_CONST_CACHE_PS_11:
1435	case SQ_ALU_CONST_CACHE_PS_12:
1436	case SQ_ALU_CONST_CACHE_PS_13:
1437	case SQ_ALU_CONST_CACHE_PS_14:
1438	case SQ_ALU_CONST_CACHE_PS_15:
1439	case SQ_ALU_CONST_CACHE_VS_0:
1440	case SQ_ALU_CONST_CACHE_VS_1:
1441	case SQ_ALU_CONST_CACHE_VS_2:
1442	case SQ_ALU_CONST_CACHE_VS_3:
1443	case SQ_ALU_CONST_CACHE_VS_4:
1444	case SQ_ALU_CONST_CACHE_VS_5:
1445	case SQ_ALU_CONST_CACHE_VS_6:
1446	case SQ_ALU_CONST_CACHE_VS_7:
1447	case SQ_ALU_CONST_CACHE_VS_8:
1448	case SQ_ALU_CONST_CACHE_VS_9:
1449	case SQ_ALU_CONST_CACHE_VS_10:
1450	case SQ_ALU_CONST_CACHE_VS_11:
1451	case SQ_ALU_CONST_CACHE_VS_12:
1452	case SQ_ALU_CONST_CACHE_VS_13:
1453	case SQ_ALU_CONST_CACHE_VS_14:
1454	case SQ_ALU_CONST_CACHE_VS_15:
1455		r = r600_cs_packet_next_reloc(p, &reloc);
1456		if (r) {
1457			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1458					"0x%04X\n", reg);
1459			return -EINVAL;
1460		}
1461		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1462		break;
1463	case SX_MEMORY_EXPORT_BASE:
1464		r = r600_cs_packet_next_reloc(p, &reloc);
1465		if (r) {
1466			dev_warn(p->dev, "bad SET_CONFIG_REG "
1467					"0x%04X\n", reg);
1468			return -EINVAL;
1469		}
1470		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1471		break;
1472	case SX_MISC:
1473		track->sx_misc_kill_all_prims = (radeon_get_ib_value(p, idx) & 0x1) != 0;
1474		break;
1475	default:
1476		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1477		return -EINVAL;
1478	}
1479	return 0;
1480}
1481
1482unsigned r600_mip_minify(unsigned size, unsigned level)
1483{
1484	unsigned val;
1485
1486	val = max(1U, size >> level);
1487	if (level > 0)
1488		val = roundup_pow_of_two(val);
1489	return val;
1490}
1491
1492static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned llevel,
1493			      unsigned w0, unsigned h0, unsigned d0, unsigned nsamples, unsigned format,
1494			      unsigned block_align, unsigned height_align, unsigned base_align,
1495			      unsigned *l0_size, unsigned *mipmap_size)
1496{
1497	unsigned offset, i, level;
1498	unsigned width, height, depth, size;
1499	unsigned blocksize;
1500	unsigned nbx, nby;
1501	unsigned nlevels = llevel - blevel + 1;
1502
1503	*l0_size = -1;
1504	blocksize = r600_fmt_get_blocksize(format);
1505
1506	w0 = r600_mip_minify(w0, 0);
1507	h0 = r600_mip_minify(h0, 0);
1508	d0 = r600_mip_minify(d0, 0);
1509	for(i = 0, offset = 0, level = blevel; i < nlevels; i++, level++) {
1510		width = r600_mip_minify(w0, i);
1511		nbx = r600_fmt_get_nblocksx(format, width);
1512
1513		nbx = roundup(nbx, block_align);
1514
1515		height = r600_mip_minify(h0, i);
1516		nby = r600_fmt_get_nblocksy(format, height);
1517		nby = roundup(nby, height_align);
1518
1519		depth = r600_mip_minify(d0, i);
1520
1521		size = nbx * nby * blocksize * nsamples;
1522		if (nfaces)
1523			size *= nfaces;
1524		else
1525			size *= depth;
1526
1527		if (i == 0)
1528			*l0_size = size;
1529
1530		if (i == 0 || i == 1)
1531			offset = roundup(offset, base_align);
1532
1533		offset += size;
1534	}
1535	*mipmap_size = offset;
1536	if (llevel == 0)
1537		*mipmap_size = *l0_size;
1538	if (!blevel)
1539		*mipmap_size -= *l0_size;
1540}
1541
1542/**
1543 * r600_check_texture_resource() - check if register is authorized or not
1544 * @p: parser structure holding parsing context
1545 * @idx: index into the cs buffer
1546 * @texture: texture's bo structure
1547 * @mipmap: mipmap's bo structure
1548 *
1549 * This function will check that the resource has valid field and that
1550 * the texture and mipmap bo object are big enough to cover this resource.
1551 */
1552static int r600_check_texture_resource(struct radeon_cs_parser *p,  u32 idx,
1553					      struct radeon_bo *texture,
1554					      struct radeon_bo *mipmap,
1555					      u64 base_offset,
1556					      u64 mip_offset,
1557					      u32 tiling_flags)
1558{
1559	struct r600_cs_track *track = p->track;
1560	u32 dim, nfaces, llevel, blevel, w0, h0, d0;
1561	u32 word0, word1, l0_size, mipmap_size, word2, word3, word4, word5;
1562	u32 height_align, pitch, pitch_align, depth_align;
1563	u32 barray, larray;
1564	u64 base_align;
1565	struct array_mode_checker array_check;
1566	u32 format;
1567	bool is_array;
1568
1569	/* on legacy kernel we don't perform advanced check */
1570	if (p->rdev == NULL)
1571		return 0;
1572
1573	/* convert to bytes */
1574	base_offset <<= 8;
1575	mip_offset <<= 8;
1576
1577	word0 = radeon_get_ib_value(p, idx + 0);
1578	if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1579		if (tiling_flags & RADEON_TILING_MACRO)
1580			word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
1581		else if (tiling_flags & RADEON_TILING_MICRO)
1582			word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
1583	}
1584	word1 = radeon_get_ib_value(p, idx + 1);
1585	word2 = radeon_get_ib_value(p, idx + 2) << 8;
1586	word3 = radeon_get_ib_value(p, idx + 3) << 8;
1587	word4 = radeon_get_ib_value(p, idx + 4);
1588	word5 = radeon_get_ib_value(p, idx + 5);
1589	dim = G_038000_DIM(word0);
1590	w0 = G_038000_TEX_WIDTH(word0) + 1;
1591	pitch = (G_038000_PITCH(word0) + 1) * 8;
1592	h0 = G_038004_TEX_HEIGHT(word1) + 1;
1593	d0 = G_038004_TEX_DEPTH(word1);
1594	format = G_038004_DATA_FORMAT(word1);
1595	blevel = G_038010_BASE_LEVEL(word4);
1596	llevel = G_038014_LAST_LEVEL(word5);
1597	/* pitch in texels */
1598	array_check.array_mode = G_038000_TILE_MODE(word0);
1599	array_check.group_size = track->group_size;
1600	array_check.nbanks = track->nbanks;
1601	array_check.npipes = track->npipes;
1602	array_check.nsamples = 1;
1603	array_check.blocksize = r600_fmt_get_blocksize(format);
1604	nfaces = 1;
1605	is_array = false;
1606	switch (dim) {
1607	case V_038000_SQ_TEX_DIM_1D:
1608	case V_038000_SQ_TEX_DIM_2D:
1609	case V_038000_SQ_TEX_DIM_3D:
1610		break;
1611	case V_038000_SQ_TEX_DIM_CUBEMAP:
1612		if (p->family >= CHIP_RV770)
1613			nfaces = 8;
1614		else
1615			nfaces = 6;
1616		break;
1617	case V_038000_SQ_TEX_DIM_1D_ARRAY:
1618	case V_038000_SQ_TEX_DIM_2D_ARRAY:
1619		is_array = true;
1620		break;
1621	case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA:
1622		is_array = true;
1623		/* fall through */
1624	case V_038000_SQ_TEX_DIM_2D_MSAA:
1625		array_check.nsamples = 1 << llevel;
1626		llevel = 0;
1627		break;
1628	default:
1629		dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0));
1630		return -EINVAL;
1631	}
1632	if (!r600_fmt_is_valid_texture(format, p->family)) {
1633		dev_warn(p->dev, "%s:%d texture invalid format %d\n",
1634			 __func__, __LINE__, format);
1635		return -EINVAL;
1636	}
1637
1638	if (r600_get_array_mode_alignment(&array_check,
1639					  &pitch_align, &height_align, &depth_align, &base_align)) {
1640		dev_warn(p->dev, "%s:%d tex array mode (%d) invalid\n",
1641			 __func__, __LINE__, G_038000_TILE_MODE(word0));
1642		return -EINVAL;
1643	}
1644
1645	/* XXX check height as well... */
1646
1647	if (!IS_ALIGNED(pitch, pitch_align)) {
1648		dev_warn(p->dev, "%s:%d tex pitch (%d, 0x%x, %d) invalid\n",
1649			 __func__, __LINE__, pitch, pitch_align, G_038000_TILE_MODE(word0));
1650		return -EINVAL;
1651	}
1652	if (!IS_ALIGNED(base_offset, base_align)) {
1653		dev_warn(p->dev, "%s:%d tex base offset (0x%jx, 0x%jx, %d) invalid\n",
1654			 __func__, __LINE__, (uintmax_t)base_offset, (uintmax_t)base_align, G_038000_TILE_MODE(word0));
1655		return -EINVAL;
1656	}
1657	if (!IS_ALIGNED(mip_offset, base_align)) {
1658		dev_warn(p->dev, "%s:%d tex mip offset (0x%jx, 0x%jx, %d) invalid\n",
1659			 __func__, __LINE__, (uintmax_t)mip_offset, (uintmax_t)base_align, G_038000_TILE_MODE(word0));
1660		return -EINVAL;
1661	}
1662
1663	if (blevel > llevel) {
1664		dev_warn(p->dev, "texture blevel %d > llevel %d\n",
1665			 blevel, llevel);
1666	}
1667	if (is_array) {
1668		barray = G_038014_BASE_ARRAY(word5);
1669		larray = G_038014_LAST_ARRAY(word5);
1670
1671		nfaces = larray - barray + 1;
1672	}
1673	r600_texture_size(nfaces, blevel, llevel, w0, h0, d0, array_check.nsamples, format,
1674			  pitch_align, height_align, base_align,
1675			  &l0_size, &mipmap_size);
1676	/* using get ib will give us the offset into the texture bo */
1677	if ((l0_size + word2) > radeon_bo_size(texture)) {
1678		dev_warn(p->dev, "texture bo too small ((%d %d) (%d %d) %d %d %d -> %d have %ld)\n",
1679			 w0, h0, pitch_align, height_align,
1680			 array_check.array_mode, format, word2,
1681			 l0_size, radeon_bo_size(texture));
1682		dev_warn(p->dev, "alignments %d %d %d %jd\n", pitch, pitch_align, height_align, (uintmax_t)base_align);
1683		return -EINVAL;
1684	}
1685	/* using get ib will give us the offset into the mipmap bo */
1686	if ((mipmap_size + word3) > radeon_bo_size(mipmap)) {
1687		/*dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n",
1688		  w0, h0, format, blevel, nlevels, word3, mipmap_size, radeon_bo_size(texture));*/
1689	}
1690	return 0;
1691}
1692
1693static bool r600_is_safe_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1694{
1695	u32 m, i;
1696
1697	i = (reg >> 7);
1698	if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
1699		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1700		return false;
1701	}
1702	m = 1 << ((reg >> 2) & 31);
1703	if (!(r600_reg_safe_bm[i] & m))
1704		return true;
1705	dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1706	return false;
1707}
1708
1709static int r600_packet3_check(struct radeon_cs_parser *p,
1710				struct radeon_cs_packet *pkt)
1711{
1712	struct radeon_cs_reloc *reloc;
1713	struct r600_cs_track *track;
1714	volatile u32 *ib;
1715	unsigned idx;
1716	unsigned i;
1717	unsigned start_reg, end_reg, reg;
1718	int r;
1719	u32 idx_value;
1720
1721	track = (struct r600_cs_track *)p->track;
1722	ib = p->ib.ptr;
1723	idx = pkt->idx + 1;
1724	idx_value = radeon_get_ib_value(p, idx);
1725
1726	switch (pkt->opcode) {
1727	case PACKET3_SET_PREDICATION:
1728	{
1729		int pred_op;
1730		int tmp;
1731		uint64_t offset;
1732
1733		if (pkt->count != 1) {
1734			DRM_ERROR("bad SET PREDICATION\n");
1735			return -EINVAL;
1736		}
1737
1738		tmp = radeon_get_ib_value(p, idx + 1);
1739		pred_op = (tmp >> 16) & 0x7;
1740
1741		/* for the clear predicate operation */
1742		if (pred_op == 0)
1743			return 0;
1744
1745		if (pred_op > 2) {
1746			DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op);
1747			return -EINVAL;
1748		}
1749
1750		r = r600_cs_packet_next_reloc(p, &reloc);
1751		if (r) {
1752			DRM_ERROR("bad SET PREDICATION\n");
1753			return -EINVAL;
1754		}
1755
1756		offset = reloc->lobj.gpu_offset +
1757		         (idx_value & 0xfffffff0) +
1758		         ((u64)(tmp & 0xff) << 32);
1759
1760		ib[idx + 0] = offset;
1761		ib[idx + 1] = (tmp & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1762	}
1763	break;
1764
1765	case PACKET3_START_3D_CMDBUF:
1766		if (p->family >= CHIP_RV770 || pkt->count) {
1767			DRM_ERROR("bad START_3D\n");
1768			return -EINVAL;
1769		}
1770		break;
1771	case PACKET3_CONTEXT_CONTROL:
1772		if (pkt->count != 1) {
1773			DRM_ERROR("bad CONTEXT_CONTROL\n");
1774			return -EINVAL;
1775		}
1776		break;
1777	case PACKET3_INDEX_TYPE:
1778	case PACKET3_NUM_INSTANCES:
1779		if (pkt->count) {
1780			DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES\n");
1781			return -EINVAL;
1782		}
1783		break;
1784	case PACKET3_DRAW_INDEX:
1785	{
1786		uint64_t offset;
1787		if (pkt->count != 3) {
1788			DRM_ERROR("bad DRAW_INDEX\n");
1789			return -EINVAL;
1790		}
1791		r = r600_cs_packet_next_reloc(p, &reloc);
1792		if (r) {
1793			DRM_ERROR("bad DRAW_INDEX\n");
1794			return -EINVAL;
1795		}
1796
1797		offset = reloc->lobj.gpu_offset +
1798		         idx_value +
1799		         ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1800
1801		ib[idx+0] = offset;
1802		ib[idx+1] = upper_32_bits(offset) & 0xff;
1803
1804		r = r600_cs_track_check(p);
1805		if (r) {
1806			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1807			return r;
1808		}
1809		break;
1810	}
1811	case PACKET3_DRAW_INDEX_AUTO:
1812		if (pkt->count != 1) {
1813			DRM_ERROR("bad DRAW_INDEX_AUTO\n");
1814			return -EINVAL;
1815		}
1816		r = r600_cs_track_check(p);
1817		if (r) {
1818			dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
1819			return r;
1820		}
1821		break;
1822	case PACKET3_DRAW_INDEX_IMMD_BE:
1823	case PACKET3_DRAW_INDEX_IMMD:
1824		if (pkt->count < 2) {
1825			DRM_ERROR("bad DRAW_INDEX_IMMD\n");
1826			return -EINVAL;
1827		}
1828		r = r600_cs_track_check(p);
1829		if (r) {
1830			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1831			return r;
1832		}
1833		break;
1834	case PACKET3_WAIT_REG_MEM:
1835		if (pkt->count != 5) {
1836			DRM_ERROR("bad WAIT_REG_MEM\n");
1837			return -EINVAL;
1838		}
1839		/* bit 4 is reg (0) or mem (1) */
1840		if (idx_value & 0x10) {
1841			uint64_t offset;
1842
1843			r = r600_cs_packet_next_reloc(p, &reloc);
1844			if (r) {
1845				DRM_ERROR("bad WAIT_REG_MEM\n");
1846				return -EINVAL;
1847			}
1848
1849			offset = reloc->lobj.gpu_offset +
1850			         (radeon_get_ib_value(p, idx+1) & 0xfffffff0) +
1851			         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1852
1853			ib[idx+1] = (ib[idx+1] & 0x3) | (offset & 0xfffffff0);
1854			ib[idx+2] = upper_32_bits(offset) & 0xff;
1855		}
1856		break;
1857	case PACKET3_CP_DMA:
1858	{
1859		u32 command, size;
1860		u64 offset, tmp;
1861		if (pkt->count != 4) {
1862			DRM_ERROR("bad CP DMA\n");
1863			return -EINVAL;
1864		}
1865		command = radeon_get_ib_value(p, idx+4);
1866		size = command & 0x1fffff;
1867		if (command & PACKET3_CP_DMA_CMD_SAS) {
1868			/* src address space is register */
1869			DRM_ERROR("CP DMA SAS not supported\n");
1870			return -EINVAL;
1871		} else {
1872			if (command & PACKET3_CP_DMA_CMD_SAIC) {
1873				DRM_ERROR("CP DMA SAIC only supported for registers\n");
1874				return -EINVAL;
1875			}
1876			/* src address space is memory */
1877			r = r600_cs_packet_next_reloc(p, &reloc);
1878			if (r) {
1879				DRM_ERROR("bad CP DMA SRC\n");
1880				return -EINVAL;
1881			}
1882
1883			tmp = radeon_get_ib_value(p, idx) +
1884				((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1885
1886			offset = reloc->lobj.gpu_offset + tmp;
1887
1888			if ((tmp + size) > radeon_bo_size(reloc->robj)) {
1889				dev_warn(p->dev, "CP DMA src buffer too small (%ju %lu)\n",
1890					 (uintmax_t)tmp + size, radeon_bo_size(reloc->robj));
1891				return -EINVAL;
1892			}
1893
1894			ib[idx] = offset;
1895			ib[idx+1] = (ib[idx+1] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1896		}
1897		if (command & PACKET3_CP_DMA_CMD_DAS) {
1898			/* dst address space is register */
1899			DRM_ERROR("CP DMA DAS not supported\n");
1900			return -EINVAL;
1901		} else {
1902			/* dst address space is memory */
1903			if (command & PACKET3_CP_DMA_CMD_DAIC) {
1904				DRM_ERROR("CP DMA DAIC only supported for registers\n");
1905				return -EINVAL;
1906			}
1907			r = r600_cs_packet_next_reloc(p, &reloc);
1908			if (r) {
1909				DRM_ERROR("bad CP DMA DST\n");
1910				return -EINVAL;
1911			}
1912
1913			tmp = radeon_get_ib_value(p, idx+2) +
1914				((u64)(radeon_get_ib_value(p, idx+3) & 0xff) << 32);
1915
1916			offset = reloc->lobj.gpu_offset + tmp;
1917
1918			if ((tmp + size) > radeon_bo_size(reloc->robj)) {
1919				dev_warn(p->dev, "CP DMA dst buffer too small (%ju %lu)\n",
1920					 (uintmax_t)tmp + size, radeon_bo_size(reloc->robj));
1921				return -EINVAL;
1922			}
1923
1924			ib[idx+2] = offset;
1925			ib[idx+3] = upper_32_bits(offset) & 0xff;
1926		}
1927		break;
1928	}
1929	case PACKET3_SURFACE_SYNC:
1930		if (pkt->count != 3) {
1931			DRM_ERROR("bad SURFACE_SYNC\n");
1932			return -EINVAL;
1933		}
1934		/* 0xffffffff/0x0 is flush all cache flag */
1935		if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
1936		    radeon_get_ib_value(p, idx + 2) != 0) {
1937			r = r600_cs_packet_next_reloc(p, &reloc);
1938			if (r) {
1939				DRM_ERROR("bad SURFACE_SYNC\n");
1940				return -EINVAL;
1941			}
1942			ib[idx+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1943		}
1944		break;
1945	case PACKET3_EVENT_WRITE:
1946		if (pkt->count != 2 && pkt->count != 0) {
1947			DRM_ERROR("bad EVENT_WRITE\n");
1948			return -EINVAL;
1949		}
1950		if (pkt->count) {
1951			uint64_t offset;
1952
1953			r = r600_cs_packet_next_reloc(p, &reloc);
1954			if (r) {
1955				DRM_ERROR("bad EVENT_WRITE\n");
1956				return -EINVAL;
1957			}
1958			offset = reloc->lobj.gpu_offset +
1959			         (radeon_get_ib_value(p, idx+1) & 0xfffffff8) +
1960			         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1961
1962			ib[idx+1] = offset & 0xfffffff8;
1963			ib[idx+2] = upper_32_bits(offset) & 0xff;
1964		}
1965		break;
1966	case PACKET3_EVENT_WRITE_EOP:
1967	{
1968		uint64_t offset;
1969
1970		if (pkt->count != 4) {
1971			DRM_ERROR("bad EVENT_WRITE_EOP\n");
1972			return -EINVAL;
1973		}
1974		r = r600_cs_packet_next_reloc(p, &reloc);
1975		if (r) {
1976			DRM_ERROR("bad EVENT_WRITE\n");
1977			return -EINVAL;
1978		}
1979
1980		offset = reloc->lobj.gpu_offset +
1981		         (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
1982		         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1983
1984		ib[idx+1] = offset & 0xfffffffc;
1985		ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1986		break;
1987	}
1988	case PACKET3_SET_CONFIG_REG:
1989		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_OFFSET;
1990		end_reg = 4 * pkt->count + start_reg - 4;
1991		if ((start_reg < PACKET3_SET_CONFIG_REG_OFFSET) ||
1992		    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
1993		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
1994			DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
1995			return -EINVAL;
1996		}
1997		for (i = 0; i < pkt->count; i++) {
1998			reg = start_reg + (4 * i);
1999			r = r600_cs_check_reg(p, reg, idx+1+i);
2000			if (r)
2001				return r;
2002		}
2003		break;
2004	case PACKET3_SET_CONTEXT_REG:
2005		start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_OFFSET;
2006		end_reg = 4 * pkt->count + start_reg - 4;
2007		if ((start_reg < PACKET3_SET_CONTEXT_REG_OFFSET) ||
2008		    (start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
2009		    (end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
2010			DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n");
2011			return -EINVAL;
2012		}
2013		for (i = 0; i < pkt->count; i++) {
2014			reg = start_reg + (4 * i);
2015			r = r600_cs_check_reg(p, reg, idx+1+i);
2016			if (r)
2017				return r;
2018		}
2019		break;
2020	case PACKET3_SET_RESOURCE:
2021		if (pkt->count % 7) {
2022			DRM_ERROR("bad SET_RESOURCE\n");
2023			return -EINVAL;
2024		}
2025		start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_OFFSET;
2026		end_reg = 4 * pkt->count + start_reg - 4;
2027		if ((start_reg < PACKET3_SET_RESOURCE_OFFSET) ||
2028		    (start_reg >= PACKET3_SET_RESOURCE_END) ||
2029		    (end_reg >= PACKET3_SET_RESOURCE_END)) {
2030			DRM_ERROR("bad SET_RESOURCE\n");
2031			return -EINVAL;
2032		}
2033		for (i = 0; i < (pkt->count / 7); i++) {
2034			struct radeon_bo *texture, *mipmap;
2035			u32 size, offset, base_offset, mip_offset;
2036
2037			switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) {
2038			case SQ_TEX_VTX_VALID_TEXTURE:
2039				/* tex base */
2040				r = r600_cs_packet_next_reloc(p, &reloc);
2041				if (r) {
2042					DRM_ERROR("bad SET_RESOURCE\n");
2043					return -EINVAL;
2044				}
2045				base_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2046				if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
2047					if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
2048						ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
2049					else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
2050						ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
2051				}
2052				texture = reloc->robj;
2053				/* tex mip base */
2054				r = r600_cs_packet_next_reloc(p, &reloc);
2055				if (r) {
2056					DRM_ERROR("bad SET_RESOURCE\n");
2057					return -EINVAL;
2058				}
2059				mip_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2060				mipmap = reloc->robj;
2061				r = r600_check_texture_resource(p,  idx+(i*7)+1,
2062								texture, mipmap,
2063								base_offset + radeon_get_ib_value(p, idx+1+(i*7)+2),
2064								mip_offset + radeon_get_ib_value(p, idx+1+(i*7)+3),
2065								reloc->lobj.tiling_flags);
2066				if (r)
2067					return r;
2068				ib[idx+1+(i*7)+2] += base_offset;
2069				ib[idx+1+(i*7)+3] += mip_offset;
2070				break;
2071			case SQ_TEX_VTX_VALID_BUFFER:
2072			{
2073				uint64_t offset64;
2074				/* vtx base */
2075				r = r600_cs_packet_next_reloc(p, &reloc);
2076				if (r) {
2077					DRM_ERROR("bad SET_RESOURCE\n");
2078					return -EINVAL;
2079				}
2080				offset = radeon_get_ib_value(p, idx+1+(i*7)+0);
2081				size = radeon_get_ib_value(p, idx+1+(i*7)+1) + 1;
2082				if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
2083					/* force size to size of the buffer */
2084					dev_warn(p->dev, "vbo resource seems too big (%d) for the bo (%ld)\n",
2085						 size + offset, radeon_bo_size(reloc->robj));
2086					ib[idx+1+(i*7)+1] = radeon_bo_size(reloc->robj) - offset;
2087				}
2088
2089				offset64 = reloc->lobj.gpu_offset + offset;
2090				ib[idx+1+(i*8)+0] = offset64;
2091				ib[idx+1+(i*8)+2] = (ib[idx+1+(i*8)+2] & 0xffffff00) |
2092						    (upper_32_bits(offset64) & 0xff);
2093				break;
2094			}
2095			case SQ_TEX_VTX_INVALID_TEXTURE:
2096			case SQ_TEX_VTX_INVALID_BUFFER:
2097			default:
2098				DRM_ERROR("bad SET_RESOURCE\n");
2099				return -EINVAL;
2100			}
2101		}
2102		break;
2103	case PACKET3_SET_ALU_CONST:
2104		if (track->sq_config & DX9_CONSTS) {
2105			start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET;
2106			end_reg = 4 * pkt->count + start_reg - 4;
2107			if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) ||
2108			    (start_reg >= PACKET3_SET_ALU_CONST_END) ||
2109			    (end_reg >= PACKET3_SET_ALU_CONST_END)) {
2110				DRM_ERROR("bad SET_ALU_CONST\n");
2111				return -EINVAL;
2112			}
2113		}
2114		break;
2115	case PACKET3_SET_BOOL_CONST:
2116		start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_OFFSET;
2117		end_reg = 4 * pkt->count + start_reg - 4;
2118		if ((start_reg < PACKET3_SET_BOOL_CONST_OFFSET) ||
2119		    (start_reg >= PACKET3_SET_BOOL_CONST_END) ||
2120		    (end_reg >= PACKET3_SET_BOOL_CONST_END)) {
2121			DRM_ERROR("bad SET_BOOL_CONST\n");
2122			return -EINVAL;
2123		}
2124		break;
2125	case PACKET3_SET_LOOP_CONST:
2126		start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_OFFSET;
2127		end_reg = 4 * pkt->count + start_reg - 4;
2128		if ((start_reg < PACKET3_SET_LOOP_CONST_OFFSET) ||
2129		    (start_reg >= PACKET3_SET_LOOP_CONST_END) ||
2130		    (end_reg >= PACKET3_SET_LOOP_CONST_END)) {
2131			DRM_ERROR("bad SET_LOOP_CONST\n");
2132			return -EINVAL;
2133		}
2134		break;
2135	case PACKET3_SET_CTL_CONST:
2136		start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_OFFSET;
2137		end_reg = 4 * pkt->count + start_reg - 4;
2138		if ((start_reg < PACKET3_SET_CTL_CONST_OFFSET) ||
2139		    (start_reg >= PACKET3_SET_CTL_CONST_END) ||
2140		    (end_reg >= PACKET3_SET_CTL_CONST_END)) {
2141			DRM_ERROR("bad SET_CTL_CONST\n");
2142			return -EINVAL;
2143		}
2144		break;
2145	case PACKET3_SET_SAMPLER:
2146		if (pkt->count % 3) {
2147			DRM_ERROR("bad SET_SAMPLER\n");
2148			return -EINVAL;
2149		}
2150		start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_OFFSET;
2151		end_reg = 4 * pkt->count + start_reg - 4;
2152		if ((start_reg < PACKET3_SET_SAMPLER_OFFSET) ||
2153		    (start_reg >= PACKET3_SET_SAMPLER_END) ||
2154		    (end_reg >= PACKET3_SET_SAMPLER_END)) {
2155			DRM_ERROR("bad SET_SAMPLER\n");
2156			return -EINVAL;
2157		}
2158		break;
2159	case PACKET3_STRMOUT_BASE_UPDATE:
2160		/* RS780 and RS880 also need this */
2161		if (p->family < CHIP_RS780) {
2162			DRM_ERROR("STRMOUT_BASE_UPDATE only supported on 7xx\n");
2163			return -EINVAL;
2164		}
2165		if (pkt->count != 1) {
2166			DRM_ERROR("bad STRMOUT_BASE_UPDATE packet count\n");
2167			return -EINVAL;
2168		}
2169		if (idx_value > 3) {
2170			DRM_ERROR("bad STRMOUT_BASE_UPDATE index\n");
2171			return -EINVAL;
2172		}
2173		{
2174			u64 offset;
2175
2176			r = r600_cs_packet_next_reloc(p, &reloc);
2177			if (r) {
2178				DRM_ERROR("bad STRMOUT_BASE_UPDATE reloc\n");
2179				return -EINVAL;
2180			}
2181
2182			if (reloc->robj != track->vgt_strmout_bo[idx_value]) {
2183				DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo does not match\n");
2184				return -EINVAL;
2185			}
2186
2187			offset = radeon_get_ib_value(p, idx+1) << 8;
2188			if (offset != track->vgt_strmout_bo_offset[idx_value]) {
2189				DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo offset does not match: 0x%jx, 0x%x\n",
2190					  (uintmax_t)offset, track->vgt_strmout_bo_offset[idx_value]);
2191				return -EINVAL;
2192			}
2193
2194			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2195				DRM_ERROR("bad STRMOUT_BASE_UPDATE bo too small: 0x%jx, 0x%lx\n",
2196					  (uintmax_t)offset + 4, radeon_bo_size(reloc->robj));
2197				return -EINVAL;
2198			}
2199			ib[idx+1] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2200		}
2201		break;
2202	case PACKET3_SURFACE_BASE_UPDATE:
2203		if (p->family >= CHIP_RV770 || p->family == CHIP_R600) {
2204			DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
2205			return -EINVAL;
2206		}
2207		if (pkt->count) {
2208			DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
2209			return -EINVAL;
2210		}
2211		break;
2212	case PACKET3_STRMOUT_BUFFER_UPDATE:
2213		if (pkt->count != 4) {
2214			DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (invalid count)\n");
2215			return -EINVAL;
2216		}
2217		/* Updating memory at DST_ADDRESS. */
2218		if (idx_value & 0x1) {
2219			u64 offset;
2220			r = r600_cs_packet_next_reloc(p, &reloc);
2221			if (r) {
2222				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing dst reloc)\n");
2223				return -EINVAL;
2224			}
2225			offset = radeon_get_ib_value(p, idx+1);
2226			offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2227			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2228				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE dst bo too small: 0x%jx, 0x%lx\n",
2229					  (uintmax_t)offset + 4, radeon_bo_size(reloc->robj));
2230				return -EINVAL;
2231			}
2232			offset += reloc->lobj.gpu_offset;
2233			ib[idx+1] = offset;
2234			ib[idx+2] = upper_32_bits(offset) & 0xff;
2235		}
2236		/* Reading data from SRC_ADDRESS. */
2237		if (((idx_value >> 1) & 0x3) == 2) {
2238			u64 offset;
2239			r = r600_cs_packet_next_reloc(p, &reloc);
2240			if (r) {
2241				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing src reloc)\n");
2242				return -EINVAL;
2243			}
2244			offset = radeon_get_ib_value(p, idx+3);
2245			offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2246			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2247				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE src bo too small: 0x%jx, 0x%lx\n",
2248					  (uintmax_t)offset + 4, radeon_bo_size(reloc->robj));
2249				return -EINVAL;
2250			}
2251			offset += reloc->lobj.gpu_offset;
2252			ib[idx+3] = offset;
2253			ib[idx+4] = upper_32_bits(offset) & 0xff;
2254		}
2255		break;
2256	case PACKET3_MEM_WRITE:
2257	{
2258		u64 offset;
2259
2260		if (pkt->count != 3) {
2261			DRM_ERROR("bad MEM_WRITE (invalid count)\n");
2262			return -EINVAL;
2263		}
2264		r = r600_cs_packet_next_reloc(p, &reloc);
2265		if (r) {
2266			DRM_ERROR("bad MEM_WRITE (missing reloc)\n");
2267			return -EINVAL;
2268		}
2269		offset = radeon_get_ib_value(p, idx+0);
2270		offset += ((u64)(radeon_get_ib_value(p, idx+1) & 0xff)) << 32UL;
2271		if (offset & 0x7) {
2272			DRM_ERROR("bad MEM_WRITE (address not qwords aligned)\n");
2273			return -EINVAL;
2274		}
2275		if ((offset + 8) > radeon_bo_size(reloc->robj)) {
2276			DRM_ERROR("bad MEM_WRITE bo too small: 0x%jx, 0x%lx\n",
2277				  (uintmax_t)offset + 8, radeon_bo_size(reloc->robj));
2278			return -EINVAL;
2279		}
2280		offset += reloc->lobj.gpu_offset;
2281		ib[idx+0] = offset;
2282		ib[idx+1] = upper_32_bits(offset) & 0xff;
2283		break;
2284	}
2285	case PACKET3_COPY_DW:
2286		if (pkt->count != 4) {
2287			DRM_ERROR("bad COPY_DW (invalid count)\n");
2288			return -EINVAL;
2289		}
2290		if (idx_value & 0x1) {
2291			u64 offset;
2292			/* SRC is memory. */
2293			r = r600_cs_packet_next_reloc(p, &reloc);
2294			if (r) {
2295				DRM_ERROR("bad COPY_DW (missing src reloc)\n");
2296				return -EINVAL;
2297			}
2298			offset = radeon_get_ib_value(p, idx+1);
2299			offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2300			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2301				DRM_ERROR("bad COPY_DW src bo too small: 0x%jx, 0x%lx\n",
2302					  (uintmax_t)offset + 4, radeon_bo_size(reloc->robj));
2303				return -EINVAL;
2304			}
2305			offset += reloc->lobj.gpu_offset;
2306			ib[idx+1] = offset;
2307			ib[idx+2] = upper_32_bits(offset) & 0xff;
2308		} else {
2309			/* SRC is a reg. */
2310			reg = radeon_get_ib_value(p, idx+1) << 2;
2311			if (!r600_is_safe_reg(p, reg, idx+1))
2312				return -EINVAL;
2313		}
2314		if (idx_value & 0x2) {
2315			u64 offset;
2316			/* DST is memory. */
2317			r = r600_cs_packet_next_reloc(p, &reloc);
2318			if (r) {
2319				DRM_ERROR("bad COPY_DW (missing dst reloc)\n");
2320				return -EINVAL;
2321			}
2322			offset = radeon_get_ib_value(p, idx+3);
2323			offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2324			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2325				DRM_ERROR("bad COPY_DW dst bo too small: 0x%jx, 0x%lx\n",
2326					  (uintmax_t)offset + 4, radeon_bo_size(reloc->robj));
2327				return -EINVAL;
2328			}
2329			offset += reloc->lobj.gpu_offset;
2330			ib[idx+3] = offset;
2331			ib[idx+4] = upper_32_bits(offset) & 0xff;
2332		} else {
2333			/* DST is a reg. */
2334			reg = radeon_get_ib_value(p, idx+3) << 2;
2335			if (!r600_is_safe_reg(p, reg, idx+3))
2336				return -EINVAL;
2337		}
2338		break;
2339	case PACKET3_NOP:
2340		break;
2341	default:
2342		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2343		return -EINVAL;
2344	}
2345	return 0;
2346}
2347
2348int r600_cs_parse(struct radeon_cs_parser *p)
2349{
2350	struct radeon_cs_packet pkt;
2351	struct r600_cs_track *track;
2352	int r;
2353
2354	if (p->track == NULL) {
2355		/* initialize tracker, we are in kms */
2356		track = malloc(sizeof(*track),
2357		    DRM_MEM_DRIVER, M_NOWAIT | M_ZERO);
2358		if (track == NULL)
2359			return -ENOMEM;
2360		r600_cs_track_init(track);
2361		if (p->rdev->family < CHIP_RV770) {
2362			track->npipes = p->rdev->config.r600.tiling_npipes;
2363			track->nbanks = p->rdev->config.r600.tiling_nbanks;
2364			track->group_size = p->rdev->config.r600.tiling_group_size;
2365		} else if (p->rdev->family <= CHIP_RV740) {
2366			track->npipes = p->rdev->config.rv770.tiling_npipes;
2367			track->nbanks = p->rdev->config.rv770.tiling_nbanks;
2368			track->group_size = p->rdev->config.rv770.tiling_group_size;
2369		}
2370		p->track = track;
2371	}
2372	do {
2373		r = r600_cs_packet_parse(p, &pkt, p->idx);
2374		if (r) {
2375			free(p->track, DRM_MEM_DRIVER);
2376			p->track = NULL;
2377			return r;
2378		}
2379		p->idx += pkt.count + 2;
2380		switch (pkt.type) {
2381		case PACKET_TYPE0:
2382			r = r600_cs_parse_packet0(p, &pkt);
2383			break;
2384		case PACKET_TYPE2:
2385			break;
2386		case PACKET_TYPE3:
2387			r = r600_packet3_check(p, &pkt);
2388			break;
2389		default:
2390			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
2391			free(p->track, DRM_MEM_DRIVER);
2392			p->track = NULL;
2393			return -EINVAL;
2394		}
2395		if (r) {
2396			free(p->track, DRM_MEM_DRIVER);
2397			p->track = NULL;
2398			return r;
2399		}
2400	} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
2401#if 0
2402	for (r = 0; r < p->ib.length_dw; r++) {
2403		DRM_INFO("%05d  0x%08X\n", r, p->ib.ptr[r]);
2404		mdelay(1);
2405	}
2406#endif
2407	free(p->track, DRM_MEM_DRIVER);
2408	p->track = NULL;
2409	return 0;
2410}
2411
2412/*
2413 *  DMA
2414 */
2415/**
2416 * r600_dma_cs_next_reloc() - parse next reloc
2417 * @p:		parser structure holding parsing context.
2418 * @cs_reloc:		reloc informations
2419 *
2420 * Return the next reloc, do bo validation and compute
2421 * GPU offset using the provided start.
2422 **/
2423int r600_dma_cs_next_reloc(struct radeon_cs_parser *p,
2424			   struct radeon_cs_reloc **cs_reloc)
2425{
2426	struct radeon_cs_chunk *relocs_chunk;
2427	unsigned idx;
2428
2429	*cs_reloc = NULL;
2430	if (p->chunk_relocs_idx == -1) {
2431		DRM_ERROR("No relocation chunk !\n");
2432		return -EINVAL;
2433	}
2434	relocs_chunk = &p->chunks[p->chunk_relocs_idx];
2435	idx = p->dma_reloc_idx;
2436	if (idx >= p->nrelocs) {
2437		DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
2438			  idx, p->nrelocs);
2439		return -EINVAL;
2440	}
2441	*cs_reloc = p->relocs_ptr[idx];
2442	p->dma_reloc_idx++;
2443	return 0;
2444}
2445
2446#define GET_DMA_CMD(h) (((h) & 0xf0000000) >> 28)
2447#define GET_DMA_COUNT(h) ((h) & 0x0000ffff)
2448#define GET_DMA_T(h) (((h) & 0x00800000) >> 23)
2449
2450/**
2451 * r600_dma_cs_parse() - parse the DMA IB
2452 * @p:		parser structure holding parsing context.
2453 *
2454 * Parses the DMA IB from the CS ioctl and updates
2455 * the GPU addresses based on the reloc information and
2456 * checks for errors. (R6xx-R7xx)
2457 * Returns 0 for success and an error on failure.
2458 **/
2459int r600_dma_cs_parse(struct radeon_cs_parser *p)
2460{
2461	struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
2462	struct radeon_cs_reloc *src_reloc, *dst_reloc;
2463	u32 header, cmd, count, tiled;
2464	volatile u32 *ib = p->ib.ptr;
2465	u32 idx, idx_value;
2466	u64 src_offset, dst_offset;
2467	int r;
2468
2469	do {
2470		if (p->idx >= ib_chunk->length_dw) {
2471			DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
2472				  p->idx, ib_chunk->length_dw);
2473			return -EINVAL;
2474		}
2475		idx = p->idx;
2476		header = radeon_get_ib_value(p, idx);
2477		cmd = GET_DMA_CMD(header);
2478		count = GET_DMA_COUNT(header);
2479		tiled = GET_DMA_T(header);
2480
2481		switch (cmd) {
2482		case DMA_PACKET_WRITE:
2483			r = r600_dma_cs_next_reloc(p, &dst_reloc);
2484			if (r) {
2485				DRM_ERROR("bad DMA_PACKET_WRITE\n");
2486				return -EINVAL;
2487			}
2488			if (tiled) {
2489				dst_offset = radeon_get_ib_value(p, idx+1);
2490				dst_offset <<= 8;
2491
2492				ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8);
2493				p->idx += count + 5;
2494			} else {
2495				dst_offset = radeon_get_ib_value(p, idx+1);
2496				dst_offset |= ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2497
2498				ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2499				ib[idx+2] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
2500				p->idx += count + 3;
2501			}
2502			if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2503				dev_warn(p->dev, "DMA write buffer too small (%ju %lu)\n",
2504					 (uintmax_t)dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2505				return -EINVAL;
2506			}
2507			break;
2508		case DMA_PACKET_COPY:
2509			r = r600_dma_cs_next_reloc(p, &src_reloc);
2510			if (r) {
2511				DRM_ERROR("bad DMA_PACKET_COPY\n");
2512				return -EINVAL;
2513			}
2514			r = r600_dma_cs_next_reloc(p, &dst_reloc);
2515			if (r) {
2516				DRM_ERROR("bad DMA_PACKET_COPY\n");
2517				return -EINVAL;
2518			}
2519			if (tiled) {
2520				idx_value = radeon_get_ib_value(p, idx + 2);
2521				/* detile bit */
2522				if (idx_value & (1U << 31)) {
2523					/* tiled src, linear dst */
2524					src_offset = radeon_get_ib_value(p, idx+1);
2525					src_offset <<= 8;
2526					ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8);
2527
2528					dst_offset = radeon_get_ib_value(p, idx+5);
2529					dst_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
2530					ib[idx+5] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2531					ib[idx+6] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
2532				} else {
2533					/* linear src, tiled dst */
2534					src_offset = radeon_get_ib_value(p, idx+5);
2535					src_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
2536					ib[idx+5] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
2537					ib[idx+6] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
2538
2539					dst_offset = radeon_get_ib_value(p, idx+1);
2540					dst_offset <<= 8;
2541					ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8);
2542				}
2543				p->idx += 7;
2544			} else {
2545				if (p->family >= CHIP_RV770) {
2546					src_offset = radeon_get_ib_value(p, idx+2);
2547					src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2548					dst_offset = radeon_get_ib_value(p, idx+1);
2549					dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
2550
2551					ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2552					ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
2553					ib[idx+3] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
2554					ib[idx+4] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
2555					p->idx += 5;
2556				} else {
2557					src_offset = radeon_get_ib_value(p, idx+2);
2558					src_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
2559					dst_offset = radeon_get_ib_value(p, idx+1);
2560					dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff0000)) << 16;
2561
2562					ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2563					ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
2564					ib[idx+3] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
2565					ib[idx+3] += (upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff) << 16;
2566					p->idx += 4;
2567				}
2568			}
2569			if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
2570				dev_warn(p->dev, "DMA copy src buffer too small (%ju %lu)\n",
2571					 (uintmax_t)src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
2572				return -EINVAL;
2573			}
2574			if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2575				dev_warn(p->dev, "DMA write dst buffer too small (%ju %lu)\n",
2576					 (uintmax_t)dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2577				return -EINVAL;
2578			}
2579			break;
2580		case DMA_PACKET_CONSTANT_FILL:
2581			if (p->family < CHIP_RV770) {
2582				DRM_ERROR("Constant Fill is 7xx only !\n");
2583				return -EINVAL;
2584			}
2585			r = r600_dma_cs_next_reloc(p, &dst_reloc);
2586			if (r) {
2587				DRM_ERROR("bad DMA_PACKET_WRITE\n");
2588				return -EINVAL;
2589			}
2590			dst_offset = radeon_get_ib_value(p, idx+1);
2591			dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0x00ff0000)) << 16;
2592			if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2593				dev_warn(p->dev, "DMA constant fill buffer too small (%ju %lu)\n",
2594					 (uintmax_t)dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2595				return -EINVAL;
2596			}
2597			ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2598			ib[idx+3] += (upper_32_bits(dst_reloc->lobj.gpu_offset) << 16) & 0x00ff0000;
2599			p->idx += 4;
2600			break;
2601		case DMA_PACKET_NOP:
2602			p->idx += 1;
2603			break;
2604		default:
2605			DRM_ERROR("Unknown packet type %d at %d !\n", cmd, idx);
2606			return -EINVAL;
2607		}
2608	} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
2609#if 0
2610	for (r = 0; r < p->ib->length_dw; r++) {
2611		DRM_INFO("%05d  0x%08X\n", r, p->ib.ptr[r]);
2612		mdelay(1);
2613	}
2614#endif
2615	return 0;
2616}
2617