1/*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 *          Alex Deucher
26 *          Jerome Glisse
27 */
28#include <linux/kernel.h>
29
30#include "radeon.h"
31#include "radeon_asic.h"
32#include "r600.h"
33#include "r600d.h"
34#include "r600_reg_safe.h"
35
36static int r600_nomm;
37
38struct r600_cs_track {
39	/* configuration we mirror so that we use same code btw kms/ums */
40	u32			group_size;
41	u32			nbanks;
42	u32			npipes;
43	/* value we track */
44	u32			sq_config;
45	u32			log_nsamples;
46	u32			nsamples;
47	u32			cb_color_base_last[8];
48	struct radeon_bo	*cb_color_bo[8];
49	u64			cb_color_bo_mc[8];
50	u64			cb_color_bo_offset[8];
51	struct radeon_bo	*cb_color_frag_bo[8];
52	u64			cb_color_frag_offset[8];
53	struct radeon_bo	*cb_color_tile_bo[8];
54	u64			cb_color_tile_offset[8];
55	u32			cb_color_mask[8];
56	u32			cb_color_info[8];
57	u32			cb_color_view[8];
58	u32			cb_color_size_idx[8]; /* unused */
59	u32			cb_target_mask;
60	u32			cb_shader_mask;  /* unused */
61	bool			is_resolve;
62	u32			cb_color_size[8];
63	u32			vgt_strmout_en;
64	u32			vgt_strmout_buffer_en;
65	struct radeon_bo	*vgt_strmout_bo[4];
66	u64			vgt_strmout_bo_mc[4]; /* unused */
67	u32			vgt_strmout_bo_offset[4];
68	u32			vgt_strmout_size[4];
69	u32			db_depth_control;
70	u32			db_depth_info;
71	u32			db_depth_size_idx;
72	u32			db_depth_view;
73	u32			db_depth_size;
74	u32			db_offset;
75	struct radeon_bo	*db_bo;
76	u64			db_bo_mc;
77	bool			sx_misc_kill_all_prims;
78	bool			cb_dirty;
79	bool			db_dirty;
80	bool			streamout_dirty;
81	struct radeon_bo	*htile_bo;
82	u64			htile_offset;
83	u32			htile_surface;
84};
85
86#define FMT_8_BIT(fmt, vc)   [fmt] = { 1, 1, 1, vc, CHIP_R600 }
87#define FMT_16_BIT(fmt, vc)  [fmt] = { 1, 1, 2, vc, CHIP_R600 }
88#define FMT_24_BIT(fmt)      [fmt] = { 1, 1, 4,  0, CHIP_R600 }
89#define FMT_32_BIT(fmt, vc)  [fmt] = { 1, 1, 4, vc, CHIP_R600 }
90#define FMT_48_BIT(fmt)      [fmt] = { 1, 1, 8,  0, CHIP_R600 }
91#define FMT_64_BIT(fmt, vc)  [fmt] = { 1, 1, 8, vc, CHIP_R600 }
92#define FMT_96_BIT(fmt)      [fmt] = { 1, 1, 12, 0, CHIP_R600 }
93#define FMT_128_BIT(fmt, vc) [fmt] = { 1, 1, 16,vc, CHIP_R600 }
94
95struct gpu_formats {
96	unsigned blockwidth;
97	unsigned blockheight;
98	unsigned blocksize;
99	unsigned valid_color;
100	enum radeon_family min_family;
101};
102
103static const struct gpu_formats color_formats_table[] = {
104	/* 8 bit */
105	FMT_8_BIT(V_038004_COLOR_8, 1),
106	FMT_8_BIT(V_038004_COLOR_4_4, 1),
107	FMT_8_BIT(V_038004_COLOR_3_3_2, 1),
108	FMT_8_BIT(V_038004_FMT_1, 0),
109
110	/* 16-bit */
111	FMT_16_BIT(V_038004_COLOR_16, 1),
112	FMT_16_BIT(V_038004_COLOR_16_FLOAT, 1),
113	FMT_16_BIT(V_038004_COLOR_8_8, 1),
114	FMT_16_BIT(V_038004_COLOR_5_6_5, 1),
115	FMT_16_BIT(V_038004_COLOR_6_5_5, 1),
116	FMT_16_BIT(V_038004_COLOR_1_5_5_5, 1),
117	FMT_16_BIT(V_038004_COLOR_4_4_4_4, 1),
118	FMT_16_BIT(V_038004_COLOR_5_5_5_1, 1),
119
120	/* 24-bit */
121	FMT_24_BIT(V_038004_FMT_8_8_8),
122
123	/* 32-bit */
124	FMT_32_BIT(V_038004_COLOR_32, 1),
125	FMT_32_BIT(V_038004_COLOR_32_FLOAT, 1),
126	FMT_32_BIT(V_038004_COLOR_16_16, 1),
127	FMT_32_BIT(V_038004_COLOR_16_16_FLOAT, 1),
128	FMT_32_BIT(V_038004_COLOR_8_24, 1),
129	FMT_32_BIT(V_038004_COLOR_8_24_FLOAT, 1),
130	FMT_32_BIT(V_038004_COLOR_24_8, 1),
131	FMT_32_BIT(V_038004_COLOR_24_8_FLOAT, 1),
132	FMT_32_BIT(V_038004_COLOR_10_11_11, 1),
133	FMT_32_BIT(V_038004_COLOR_10_11_11_FLOAT, 1),
134	FMT_32_BIT(V_038004_COLOR_11_11_10, 1),
135	FMT_32_BIT(V_038004_COLOR_11_11_10_FLOAT, 1),
136	FMT_32_BIT(V_038004_COLOR_2_10_10_10, 1),
137	FMT_32_BIT(V_038004_COLOR_8_8_8_8, 1),
138	FMT_32_BIT(V_038004_COLOR_10_10_10_2, 1),
139	FMT_32_BIT(V_038004_FMT_5_9_9_9_SHAREDEXP, 0),
140	FMT_32_BIT(V_038004_FMT_32_AS_8, 0),
141	FMT_32_BIT(V_038004_FMT_32_AS_8_8, 0),
142
143	/* 48-bit */
144	FMT_48_BIT(V_038004_FMT_16_16_16),
145	FMT_48_BIT(V_038004_FMT_16_16_16_FLOAT),
146
147	/* 64-bit */
148	FMT_64_BIT(V_038004_COLOR_X24_8_32_FLOAT, 1),
149	FMT_64_BIT(V_038004_COLOR_32_32, 1),
150	FMT_64_BIT(V_038004_COLOR_32_32_FLOAT, 1),
151	FMT_64_BIT(V_038004_COLOR_16_16_16_16, 1),
152	FMT_64_BIT(V_038004_COLOR_16_16_16_16_FLOAT, 1),
153
154	FMT_96_BIT(V_038004_FMT_32_32_32),
155	FMT_96_BIT(V_038004_FMT_32_32_32_FLOAT),
156
157	/* 128-bit */
158	FMT_128_BIT(V_038004_COLOR_32_32_32_32, 1),
159	FMT_128_BIT(V_038004_COLOR_32_32_32_32_FLOAT, 1),
160
161	[V_038004_FMT_GB_GR] = { 2, 1, 4, 0 },
162	[V_038004_FMT_BG_RG] = { 2, 1, 4, 0 },
163
164	/* block compressed formats */
165	[V_038004_FMT_BC1] = { 4, 4, 8, 0 },
166	[V_038004_FMT_BC2] = { 4, 4, 16, 0 },
167	[V_038004_FMT_BC3] = { 4, 4, 16, 0 },
168	[V_038004_FMT_BC4] = { 4, 4, 8, 0 },
169	[V_038004_FMT_BC5] = { 4, 4, 16, 0},
170	[V_038004_FMT_BC6] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
171	[V_038004_FMT_BC7] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
172
173	/* The other Evergreen formats */
174	[V_038004_FMT_32_AS_32_32_32_32] = { 1, 1, 4, 0, CHIP_CEDAR},
175};
176
177bool r600_fmt_is_valid_color(u32 format)
178{
179	if (format >= ARRAY_SIZE(color_formats_table))
180		return false;
181
182	if (color_formats_table[format].valid_color)
183		return true;
184
185	return false;
186}
187
188bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family)
189{
190	if (format >= ARRAY_SIZE(color_formats_table))
191		return false;
192
193	if (family < color_formats_table[format].min_family)
194		return false;
195
196	if (color_formats_table[format].blockwidth > 0)
197		return true;
198
199	return false;
200}
201
202int r600_fmt_get_blocksize(u32 format)
203{
204	if (format >= ARRAY_SIZE(color_formats_table))
205		return 0;
206
207	return color_formats_table[format].blocksize;
208}
209
210int r600_fmt_get_nblocksx(u32 format, u32 w)
211{
212	unsigned bw;
213
214	if (format >= ARRAY_SIZE(color_formats_table))
215		return 0;
216
217	bw = color_formats_table[format].blockwidth;
218	if (bw == 0)
219		return 0;
220
221	return DIV_ROUND_UP(w, bw);
222}
223
224int r600_fmt_get_nblocksy(u32 format, u32 h)
225{
226	unsigned bh;
227
228	if (format >= ARRAY_SIZE(color_formats_table))
229		return 0;
230
231	bh = color_formats_table[format].blockheight;
232	if (bh == 0)
233		return 0;
234
235	return DIV_ROUND_UP(h, bh);
236}
237
238struct array_mode_checker {
239	int array_mode;
240	u32 group_size;
241	u32 nbanks;
242	u32 npipes;
243	u32 nsamples;
244	u32 blocksize;
245};
246
247/* returns alignment in pixels for pitch/height/depth and bytes for base */
248static int r600_get_array_mode_alignment(struct array_mode_checker *values,
249						u32 *pitch_align,
250						u32 *height_align,
251						u32 *depth_align,
252						u64 *base_align)
253{
254	u32 tile_width = 8;
255	u32 tile_height = 8;
256	u32 macro_tile_width = values->nbanks;
257	u32 macro_tile_height = values->npipes;
258	u32 tile_bytes = tile_width * tile_height * values->blocksize * values->nsamples;
259	u32 macro_tile_bytes = macro_tile_width * macro_tile_height * tile_bytes;
260
261	switch (values->array_mode) {
262	case ARRAY_LINEAR_GENERAL:
263		/* technically tile_width/_height for pitch/height */
264		*pitch_align = 1; /* tile_width */
265		*height_align = 1; /* tile_height */
266		*depth_align = 1;
267		*base_align = 1;
268		break;
269	case ARRAY_LINEAR_ALIGNED:
270		*pitch_align = max((u32)64, (u32)(values->group_size / values->blocksize));
271		*height_align = 1;
272		*depth_align = 1;
273		*base_align = values->group_size;
274		break;
275	case ARRAY_1D_TILED_THIN1:
276		*pitch_align = max((u32)tile_width,
277				   (u32)(values->group_size /
278					 (tile_height * values->blocksize * values->nsamples)));
279		*height_align = tile_height;
280		*depth_align = 1;
281		*base_align = values->group_size;
282		break;
283	case ARRAY_2D_TILED_THIN1:
284		*pitch_align = max((u32)macro_tile_width * tile_width,
285				(u32)((values->group_size * values->nbanks) /
286				(values->blocksize * values->nsamples * tile_width)));
287		*height_align = macro_tile_height * tile_height;
288		*depth_align = 1;
289		*base_align = max(macro_tile_bytes,
290				  (*pitch_align) * values->blocksize * (*height_align) * values->nsamples);
291		break;
292	default:
293		return -EINVAL;
294	}
295
296	return 0;
297}
298
299static void r600_cs_track_init(struct r600_cs_track *track)
300{
301	int i;
302
303	/* assume DX9 mode */
304	track->sq_config = DX9_CONSTS;
305	for (i = 0; i < 8; i++) {
306		track->cb_color_base_last[i] = 0;
307		track->cb_color_size[i] = 0;
308		track->cb_color_size_idx[i] = 0;
309		track->cb_color_info[i] = 0;
310		track->cb_color_view[i] = 0xFFFFFFFF;
311		track->cb_color_bo[i] = NULL;
312		track->cb_color_bo_offset[i] = 0xFFFFFFFF;
313		track->cb_color_bo_mc[i] = 0xFFFFFFFF;
314		track->cb_color_frag_bo[i] = NULL;
315		track->cb_color_frag_offset[i] = 0xFFFFFFFF;
316		track->cb_color_tile_bo[i] = NULL;
317		track->cb_color_tile_offset[i] = 0xFFFFFFFF;
318		track->cb_color_mask[i] = 0xFFFFFFFF;
319	}
320	track->is_resolve = false;
321	track->nsamples = 16;
322	track->log_nsamples = 4;
323	track->cb_target_mask = 0xFFFFFFFF;
324	track->cb_shader_mask = 0xFFFFFFFF;
325	track->cb_dirty = true;
326	track->db_bo = NULL;
327	track->db_bo_mc = 0xFFFFFFFF;
328	/* assume the biggest format and that htile is enabled */
329	track->db_depth_info = 7 | (1 << 25);
330	track->db_depth_view = 0xFFFFC000;
331	track->db_depth_size = 0xFFFFFFFF;
332	track->db_depth_size_idx = 0;
333	track->db_depth_control = 0xFFFFFFFF;
334	track->db_dirty = true;
335	track->htile_bo = NULL;
336	track->htile_offset = 0xFFFFFFFF;
337	track->htile_surface = 0;
338
339	for (i = 0; i < 4; i++) {
340		track->vgt_strmout_size[i] = 0;
341		track->vgt_strmout_bo[i] = NULL;
342		track->vgt_strmout_bo_offset[i] = 0xFFFFFFFF;
343		track->vgt_strmout_bo_mc[i] = 0xFFFFFFFF;
344	}
345	track->streamout_dirty = true;
346	track->sx_misc_kill_all_prims = false;
347}
348
349static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
350{
351	struct r600_cs_track *track = p->track;
352	u32 slice_tile_max, tmp;
353	u32 height, height_align, pitch, pitch_align, depth_align;
354	u64 base_offset, base_align;
355	struct array_mode_checker array_check;
356	volatile u32 *ib = p->ib.ptr;
357	unsigned array_mode;
358	u32 format;
359	/* When resolve is used, the second colorbuffer has always 1 sample. */
360	unsigned nsamples = track->is_resolve && i == 1 ? 1 : track->nsamples;
361
362	format = G_0280A0_FORMAT(track->cb_color_info[i]);
363	if (!r600_fmt_is_valid_color(format)) {
364		dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n",
365			 __func__, __LINE__, format,
366			i, track->cb_color_info[i]);
367		return -EINVAL;
368	}
369	/* pitch in pixels */
370	pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) * 8;
371	slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1;
372	slice_tile_max *= 64;
373	height = slice_tile_max / pitch;
374	if (height > 8192)
375		height = 8192;
376	array_mode = G_0280A0_ARRAY_MODE(track->cb_color_info[i]);
377
378	base_offset = track->cb_color_bo_mc[i] + track->cb_color_bo_offset[i];
379	array_check.array_mode = array_mode;
380	array_check.group_size = track->group_size;
381	array_check.nbanks = track->nbanks;
382	array_check.npipes = track->npipes;
383	array_check.nsamples = nsamples;
384	array_check.blocksize = r600_fmt_get_blocksize(format);
385	if (r600_get_array_mode_alignment(&array_check,
386					  &pitch_align, &height_align, &depth_align, &base_align)) {
387		dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
388			 G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
389			 track->cb_color_info[i]);
390		return -EINVAL;
391	}
392	switch (array_mode) {
393	case V_0280A0_ARRAY_LINEAR_GENERAL:
394		break;
395	case V_0280A0_ARRAY_LINEAR_ALIGNED:
396		break;
397	case V_0280A0_ARRAY_1D_TILED_THIN1:
398		/* avoid breaking userspace */
399		if (height > 7)
400			height &= ~0x7;
401		break;
402	case V_0280A0_ARRAY_2D_TILED_THIN1:
403		break;
404	default:
405		dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
406			G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
407			track->cb_color_info[i]);
408		return -EINVAL;
409	}
410
411	if (!IS_ALIGNED(pitch, pitch_align)) {
412		dev_warn(p->dev, "%s:%d cb pitch (%d, 0x%x, %d) invalid\n",
413			 __func__, __LINE__, pitch, pitch_align, array_mode);
414		return -EINVAL;
415	}
416	if (!IS_ALIGNED(height, height_align)) {
417		dev_warn(p->dev, "%s:%d cb height (%d, 0x%x, %d) invalid\n",
418			 __func__, __LINE__, height, height_align, array_mode);
419		return -EINVAL;
420	}
421	if (!IS_ALIGNED(base_offset, base_align)) {
422		dev_warn(p->dev, "%s offset[%d] 0x%llx 0x%llx, %d not aligned\n", __func__, i,
423			 base_offset, base_align, array_mode);
424		return -EINVAL;
425	}
426
427	/* check offset */
428	tmp = r600_fmt_get_nblocksy(format, height) * r600_fmt_get_nblocksx(format, pitch) *
429	      r600_fmt_get_blocksize(format) * nsamples;
430	switch (array_mode) {
431	default:
432	case V_0280A0_ARRAY_LINEAR_GENERAL:
433	case V_0280A0_ARRAY_LINEAR_ALIGNED:
434		tmp += track->cb_color_view[i] & 0xFF;
435		break;
436	case V_0280A0_ARRAY_1D_TILED_THIN1:
437	case V_0280A0_ARRAY_2D_TILED_THIN1:
438		tmp += G_028080_SLICE_MAX(track->cb_color_view[i]) * tmp;
439		break;
440	}
441	if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) {
442		if (array_mode == V_0280A0_ARRAY_LINEAR_GENERAL) {
443			/* the initial DDX does bad things with the CB size occasionally */
444			/* it rounds up height too far for slice tile max but the BO is smaller */
445			/* r600c,g also seem to flush at bad times in some apps resulting in
446			 * bogus values here. So for linear just allow anything to avoid breaking
447			 * broken userspace.
448			 */
449		} else {
450			dev_warn(p->dev, "%s offset[%d] %d %llu %d %lu too big (%d %d) (%d %d %d)\n",
451				 __func__, i, array_mode,
452				 track->cb_color_bo_offset[i], tmp,
453				 radeon_bo_size(track->cb_color_bo[i]),
454				 pitch, height, r600_fmt_get_nblocksx(format, pitch),
455				 r600_fmt_get_nblocksy(format, height),
456				 r600_fmt_get_blocksize(format));
457			return -EINVAL;
458		}
459	}
460	/* limit max tile */
461	tmp = (height * pitch) >> 6;
462	if (tmp < slice_tile_max)
463		slice_tile_max = tmp;
464	tmp = S_028060_PITCH_TILE_MAX((pitch / 8) - 1) |
465		S_028060_SLICE_TILE_MAX(slice_tile_max - 1);
466	ib[track->cb_color_size_idx[i]] = tmp;
467
468	/* FMASK/CMASK */
469	switch (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
470	case V_0280A0_TILE_DISABLE:
471		break;
472	case V_0280A0_FRAG_ENABLE:
473		if (track->nsamples > 1) {
474			uint32_t tile_max = G_028100_FMASK_TILE_MAX(track->cb_color_mask[i]);
475			/* the tile size is 8x8, but the size is in units of bits.
476			 * for bytes, do just * 8. */
477			uint32_t bytes = track->nsamples * track->log_nsamples * 8 * (tile_max + 1);
478
479			if (bytes + track->cb_color_frag_offset[i] >
480			    radeon_bo_size(track->cb_color_frag_bo[i])) {
481				dev_warn(p->dev, "%s FMASK_TILE_MAX too large "
482					 "(tile_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n",
483					 __func__, tile_max, bytes,
484					 track->cb_color_frag_offset[i],
485					 radeon_bo_size(track->cb_color_frag_bo[i]));
486				return -EINVAL;
487			}
488		}
489		fallthrough;
490	case V_0280A0_CLEAR_ENABLE:
491	{
492		uint32_t block_max = G_028100_CMASK_BLOCK_MAX(track->cb_color_mask[i]);
493		/* One block = 128x128 pixels, one 8x8 tile has 4 bits..
494		 * (128*128) / (8*8) / 2 = 128 bytes per block. */
495		uint32_t bytes = (block_max + 1) * 128;
496
497		if (bytes + track->cb_color_tile_offset[i] >
498		    radeon_bo_size(track->cb_color_tile_bo[i])) {
499			dev_warn(p->dev, "%s CMASK_BLOCK_MAX too large "
500				 "(block_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n",
501				 __func__, block_max, bytes,
502				 track->cb_color_tile_offset[i],
503				 radeon_bo_size(track->cb_color_tile_bo[i]));
504			return -EINVAL;
505		}
506		break;
507	}
508	default:
509		dev_warn(p->dev, "%s invalid tile mode\n", __func__);
510		return -EINVAL;
511	}
512	return 0;
513}
514
515static int r600_cs_track_validate_db(struct radeon_cs_parser *p)
516{
517	struct r600_cs_track *track = p->track;
518	u32 nviews, bpe, ntiles, slice_tile_max, tmp;
519	u32 height_align, pitch_align, depth_align;
520	u32 pitch = 8192;
521	u32 height = 8192;
522	u64 base_offset, base_align;
523	struct array_mode_checker array_check;
524	int array_mode;
525	volatile u32 *ib = p->ib.ptr;
526
527
528	if (track->db_bo == NULL) {
529		dev_warn(p->dev, "z/stencil with no depth buffer\n");
530		return -EINVAL;
531	}
532	switch (G_028010_FORMAT(track->db_depth_info)) {
533	case V_028010_DEPTH_16:
534		bpe = 2;
535		break;
536	case V_028010_DEPTH_X8_24:
537	case V_028010_DEPTH_8_24:
538	case V_028010_DEPTH_X8_24_FLOAT:
539	case V_028010_DEPTH_8_24_FLOAT:
540	case V_028010_DEPTH_32_FLOAT:
541		bpe = 4;
542		break;
543	case V_028010_DEPTH_X24_8_32_FLOAT:
544		bpe = 8;
545		break;
546	default:
547		dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info));
548		return -EINVAL;
549	}
550	if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
551		if (!track->db_depth_size_idx) {
552			dev_warn(p->dev, "z/stencil buffer size not set\n");
553			return -EINVAL;
554		}
555		tmp = radeon_bo_size(track->db_bo) - track->db_offset;
556		tmp = (tmp / bpe) >> 6;
557		if (!tmp) {
558			dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n",
559					track->db_depth_size, bpe, track->db_offset,
560					radeon_bo_size(track->db_bo));
561			return -EINVAL;
562		}
563		ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF);
564	} else {
565		/* pitch in pixels */
566		pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8;
567		slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
568		slice_tile_max *= 64;
569		height = slice_tile_max / pitch;
570		if (height > 8192)
571			height = 8192;
572		base_offset = track->db_bo_mc + track->db_offset;
573		array_mode = G_028010_ARRAY_MODE(track->db_depth_info);
574		array_check.array_mode = array_mode;
575		array_check.group_size = track->group_size;
576		array_check.nbanks = track->nbanks;
577		array_check.npipes = track->npipes;
578		array_check.nsamples = track->nsamples;
579		array_check.blocksize = bpe;
580		if (r600_get_array_mode_alignment(&array_check,
581					&pitch_align, &height_align, &depth_align, &base_align)) {
582			dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
583					G_028010_ARRAY_MODE(track->db_depth_info),
584					track->db_depth_info);
585			return -EINVAL;
586		}
587		switch (array_mode) {
588		case V_028010_ARRAY_1D_TILED_THIN1:
589			/* don't break userspace */
590			height &= ~0x7;
591			break;
592		case V_028010_ARRAY_2D_TILED_THIN1:
593			break;
594		default:
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
601		if (!IS_ALIGNED(pitch, pitch_align)) {
602			dev_warn(p->dev, "%s:%d db pitch (%d, 0x%x, %d) invalid\n",
603					__func__, __LINE__, pitch, pitch_align, array_mode);
604			return -EINVAL;
605		}
606		if (!IS_ALIGNED(height, height_align)) {
607			dev_warn(p->dev, "%s:%d db height (%d, 0x%x, %d) invalid\n",
608					__func__, __LINE__, height, height_align, array_mode);
609			return -EINVAL;
610		}
611		if (!IS_ALIGNED(base_offset, base_align)) {
612			dev_warn(p->dev, "%s offset 0x%llx, 0x%llx, %d not aligned\n", __func__,
613					base_offset, base_align, array_mode);
614			return -EINVAL;
615		}
616
617		ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
618		nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1;
619		tmp = ntiles * bpe * 64 * nviews * track->nsamples;
620		if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) {
621			dev_warn(p->dev, "z/stencil buffer (%d) too small (0x%08X %d %d %d -> %u have %lu)\n",
622					array_mode,
623					track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
624					radeon_bo_size(track->db_bo));
625			return -EINVAL;
626		}
627	}
628
629	/* hyperz */
630	if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) {
631		unsigned long size;
632		unsigned nbx, nby;
633
634		if (track->htile_bo == NULL) {
635			dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n",
636				 __func__, __LINE__, track->db_depth_info);
637			return -EINVAL;
638		}
639		if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
640			dev_warn(p->dev, "%s:%d htile can't be enabled with bogus db_depth_size 0x%08x\n",
641				 __func__, __LINE__, track->db_depth_size);
642			return -EINVAL;
643		}
644
645		nbx = pitch;
646		nby = height;
647		if (G_028D24_LINEAR(track->htile_surface)) {
648			/* nbx must be 16 htiles aligned == 16 * 8 pixel aligned */
649			nbx = round_up(nbx, 16 * 8);
650			/* nby is npipes htiles aligned == npipes * 8 pixel aligned */
651			nby = round_up(nby, track->npipes * 8);
652		} else {
653			/* always assume 8x8 htile */
654			/* align is htile align * 8, htile align vary according to
655			 * number of pipe and tile width and nby
656			 */
657			switch (track->npipes) {
658			case 8:
659				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
660				nbx = round_up(nbx, 64 * 8);
661				nby = round_up(nby, 64 * 8);
662				break;
663			case 4:
664				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
665				nbx = round_up(nbx, 64 * 8);
666				nby = round_up(nby, 32 * 8);
667				break;
668			case 2:
669				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
670				nbx = round_up(nbx, 32 * 8);
671				nby = round_up(nby, 32 * 8);
672				break;
673			case 1:
674				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
675				nbx = round_up(nbx, 32 * 8);
676				nby = round_up(nby, 16 * 8);
677				break;
678			default:
679				dev_warn(p->dev, "%s:%d invalid num pipes %d\n",
680					 __func__, __LINE__, track->npipes);
681				return -EINVAL;
682			}
683		}
684		/* compute number of htile */
685		nbx = nbx >> 3;
686		nby = nby >> 3;
687		/* size must be aligned on npipes * 2K boundary */
688		size = roundup(nbx * nby * 4, track->npipes * (2 << 10));
689		size += track->htile_offset;
690
691		if (size > radeon_bo_size(track->htile_bo)) {
692			dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n",
693				 __func__, __LINE__, radeon_bo_size(track->htile_bo),
694				 size, nbx, nby);
695			return -EINVAL;
696		}
697	}
698
699	track->db_dirty = false;
700	return 0;
701}
702
703static int r600_cs_track_check(struct radeon_cs_parser *p)
704{
705	struct r600_cs_track *track = p->track;
706	u32 tmp;
707	int r, i;
708
709	/* on legacy kernel we don't perform advanced check */
710	if (p->rdev == NULL)
711		return 0;
712
713	/* check streamout */
714	if (track->streamout_dirty && track->vgt_strmout_en) {
715		for (i = 0; i < 4; i++) {
716			if (track->vgt_strmout_buffer_en & (1 << i)) {
717				if (track->vgt_strmout_bo[i]) {
718					u64 offset = (u64)track->vgt_strmout_bo_offset[i] +
719						(u64)track->vgt_strmout_size[i];
720					if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) {
721						DRM_ERROR("streamout %d bo too small: 0x%llx, 0x%lx\n",
722							  i, offset,
723							  radeon_bo_size(track->vgt_strmout_bo[i]));
724						return -EINVAL;
725					}
726				} else {
727					dev_warn(p->dev, "No buffer for streamout %d\n", i);
728					return -EINVAL;
729				}
730			}
731		}
732		track->streamout_dirty = false;
733	}
734
735	if (track->sx_misc_kill_all_prims)
736		return 0;
737
738	/* check that we have a cb for each enabled target, we don't check
739	 * shader_mask because it seems mesa isn't always setting it :(
740	 */
741	if (track->cb_dirty) {
742		tmp = track->cb_target_mask;
743
744		/* We must check both colorbuffers for RESOLVE. */
745		if (track->is_resolve) {
746			tmp |= 0xff;
747		}
748
749		for (i = 0; i < 8; i++) {
750			u32 format = G_0280A0_FORMAT(track->cb_color_info[i]);
751
752			if (format != V_0280A0_COLOR_INVALID &&
753			    (tmp >> (i * 4)) & 0xF) {
754				/* at least one component is enabled */
755				if (track->cb_color_bo[i] == NULL) {
756					dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
757						__func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
758					return -EINVAL;
759				}
760				/* perform rewrite of CB_COLOR[0-7]_SIZE */
761				r = r600_cs_track_validate_cb(p, i);
762				if (r)
763					return r;
764			}
765		}
766		track->cb_dirty = false;
767	}
768
769	/* Check depth buffer */
770	if (track->db_dirty &&
771	    G_028010_FORMAT(track->db_depth_info) != V_028010_DEPTH_INVALID &&
772	    (G_028800_STENCIL_ENABLE(track->db_depth_control) ||
773	     G_028800_Z_ENABLE(track->db_depth_control))) {
774		r = r600_cs_track_validate_db(p);
775		if (r)
776			return r;
777	}
778
779	return 0;
780}
781
782/**
783 * r600_cs_packet_parse_vline() - parse userspace VLINE packet
784 * @p:		parser structure holding parsing context.
785 *
786 * This is an R600-specific function for parsing VLINE packets.
787 * Real work is done by r600_cs_common_vline_parse function.
788 * Here we just set up ASIC-specific register table and call
789 * the common implementation function.
790 */
791static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p)
792{
793	static uint32_t vline_start_end[2] = {AVIVO_D1MODE_VLINE_START_END,
794					      AVIVO_D2MODE_VLINE_START_END};
795	static uint32_t vline_status[2] = {AVIVO_D1MODE_VLINE_STATUS,
796					   AVIVO_D2MODE_VLINE_STATUS};
797
798	return r600_cs_common_vline_parse(p, vline_start_end, vline_status);
799}
800
801/**
802 * r600_cs_common_vline_parse() - common vline parser
803 * @p:			parser structure holding parsing context.
804 * @vline_start_end:    table of vline_start_end registers
805 * @vline_status:       table of vline_status registers
806 *
807 * Userspace sends a special sequence for VLINE waits.
808 * PACKET0 - VLINE_START_END + value
809 * PACKET3 - WAIT_REG_MEM poll vline status reg
810 * RELOC (P3) - crtc_id in reloc.
811 *
812 * This function parses this and relocates the VLINE START END
813 * and WAIT_REG_MEM packets to the correct crtc.
814 * It also detects a switched off crtc and nulls out the
815 * wait in that case. This function is common for all ASICs that
816 * are R600 and newer. The parsing algorithm is the same, and only
817 * differs in which registers are used.
818 *
819 * Caller is the ASIC-specific function which passes the parser
820 * context and ASIC-specific register table
821 */
822int r600_cs_common_vline_parse(struct radeon_cs_parser *p,
823			       uint32_t *vline_start_end,
824			       uint32_t *vline_status)
825{
826	struct drm_crtc *crtc;
827	struct radeon_crtc *radeon_crtc;
828	struct radeon_cs_packet p3reloc, wait_reg_mem;
829	int crtc_id;
830	int r;
831	uint32_t header, h_idx, reg, wait_reg_mem_info;
832	volatile uint32_t *ib;
833
834	ib = p->ib.ptr;
835
836	/* parse the WAIT_REG_MEM */
837	r = radeon_cs_packet_parse(p, &wait_reg_mem, p->idx);
838	if (r)
839		return r;
840
841	/* check its a WAIT_REG_MEM */
842	if (wait_reg_mem.type != RADEON_PACKET_TYPE3 ||
843	    wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) {
844		DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n");
845		return -EINVAL;
846	}
847
848	wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1);
849	/* bit 4 is reg (0) or mem (1) */
850	if (wait_reg_mem_info & 0x10) {
851		DRM_ERROR("vline WAIT_REG_MEM waiting on MEM instead of REG\n");
852		return -EINVAL;
853	}
854	/* bit 8 is me (0) or pfp (1) */
855	if (wait_reg_mem_info & 0x100) {
856		DRM_ERROR("vline WAIT_REG_MEM waiting on PFP instead of ME\n");
857		return -EINVAL;
858	}
859	/* waiting for value to be equal */
860	if ((wait_reg_mem_info & 0x7) != 0x3) {
861		DRM_ERROR("vline WAIT_REG_MEM function not equal\n");
862		return -EINVAL;
863	}
864	if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != vline_status[0]) {
865		DRM_ERROR("vline WAIT_REG_MEM bad reg\n");
866		return -EINVAL;
867	}
868
869	if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != RADEON_VLINE_STAT) {
870		DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n");
871		return -EINVAL;
872	}
873
874	/* jump over the NOP */
875	r = radeon_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2);
876	if (r)
877		return r;
878
879	h_idx = p->idx - 2;
880	p->idx += wait_reg_mem.count + 2;
881	p->idx += p3reloc.count + 2;
882
883	header = radeon_get_ib_value(p, h_idx);
884	crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1);
885	reg = R600_CP_PACKET0_GET_REG(header);
886
887	crtc = drm_crtc_find(p->rdev->ddev, p->filp, crtc_id);
888	if (!crtc) {
889		DRM_ERROR("cannot find crtc %d\n", crtc_id);
890		return -ENOENT;
891	}
892	radeon_crtc = to_radeon_crtc(crtc);
893	crtc_id = radeon_crtc->crtc_id;
894
895	if (!crtc->enabled) {
896		/* CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */
897		ib[h_idx + 2] = PACKET2(0);
898		ib[h_idx + 3] = PACKET2(0);
899		ib[h_idx + 4] = PACKET2(0);
900		ib[h_idx + 5] = PACKET2(0);
901		ib[h_idx + 6] = PACKET2(0);
902		ib[h_idx + 7] = PACKET2(0);
903		ib[h_idx + 8] = PACKET2(0);
904	} else if (reg == vline_start_end[0]) {
905		header &= ~R600_CP_PACKET0_REG_MASK;
906		header |= vline_start_end[crtc_id] >> 2;
907		ib[h_idx] = header;
908		ib[h_idx + 4] = vline_status[crtc_id] >> 2;
909	} else {
910		DRM_ERROR("unknown crtc reloc\n");
911		return -EINVAL;
912	}
913	return 0;
914}
915
916static int r600_packet0_check(struct radeon_cs_parser *p,
917				struct radeon_cs_packet *pkt,
918				unsigned idx, unsigned reg)
919{
920	int r;
921
922	switch (reg) {
923	case AVIVO_D1MODE_VLINE_START_END:
924		r = r600_cs_packet_parse_vline(p);
925		if (r) {
926			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
927					idx, reg);
928			return r;
929		}
930		break;
931	default:
932		pr_err("Forbidden register 0x%04X in cs at %d\n", reg, idx);
933		return -EINVAL;
934	}
935	return 0;
936}
937
938static int r600_cs_parse_packet0(struct radeon_cs_parser *p,
939				struct radeon_cs_packet *pkt)
940{
941	unsigned reg, i;
942	unsigned idx;
943	int r;
944
945	idx = pkt->idx + 1;
946	reg = pkt->reg;
947	for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
948		r = r600_packet0_check(p, pkt, idx, reg);
949		if (r) {
950			return r;
951		}
952	}
953	return 0;
954}
955
956/**
957 * r600_cs_check_reg() - check if register is authorized or not
958 * @p: parser structure holding parsing context
959 * @reg: register we are testing
960 * @idx: index into the cs buffer
961 *
962 * This function will test against r600_reg_safe_bm and return 0
963 * if register is safe. If register is not flag as safe this function
964 * will test it against a list of register needing special handling.
965 */
966static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
967{
968	struct r600_cs_track *track = (struct r600_cs_track *)p->track;
969	struct radeon_bo_list *reloc;
970	u32 m, i, tmp, *ib;
971	int r;
972
973	i = (reg >> 7);
974	if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
975		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
976		return -EINVAL;
977	}
978	m = 1 << ((reg >> 2) & 31);
979	if (!(r600_reg_safe_bm[i] & m))
980		return 0;
981	ib = p->ib.ptr;
982	switch (reg) {
983	/* force following reg to 0 in an attempt to disable out buffer
984	 * which will need us to better understand how it works to perform
985	 * security check on it (Jerome)
986	 */
987	case R_0288A8_SQ_ESGS_RING_ITEMSIZE:
988	case R_008C44_SQ_ESGS_RING_SIZE:
989	case R_0288B0_SQ_ESTMP_RING_ITEMSIZE:
990	case R_008C54_SQ_ESTMP_RING_SIZE:
991	case R_0288C0_SQ_FBUF_RING_ITEMSIZE:
992	case R_008C74_SQ_FBUF_RING_SIZE:
993	case R_0288B4_SQ_GSTMP_RING_ITEMSIZE:
994	case R_008C5C_SQ_GSTMP_RING_SIZE:
995	case R_0288AC_SQ_GSVS_RING_ITEMSIZE:
996	case R_008C4C_SQ_GSVS_RING_SIZE:
997	case R_0288BC_SQ_PSTMP_RING_ITEMSIZE:
998	case R_008C6C_SQ_PSTMP_RING_SIZE:
999	case R_0288C4_SQ_REDUC_RING_ITEMSIZE:
1000	case R_008C7C_SQ_REDUC_RING_SIZE:
1001	case R_0288B8_SQ_VSTMP_RING_ITEMSIZE:
1002	case R_008C64_SQ_VSTMP_RING_SIZE:
1003	case R_0288C8_SQ_GS_VERT_ITEMSIZE:
1004		/* get value to populate the IB don't remove */
1005		/*tmp =radeon_get_ib_value(p, idx);
1006		  ib[idx] = 0;*/
1007		break;
1008	case SQ_ESGS_RING_BASE:
1009	case SQ_GSVS_RING_BASE:
1010	case SQ_ESTMP_RING_BASE:
1011	case SQ_GSTMP_RING_BASE:
1012	case SQ_PSTMP_RING_BASE:
1013	case SQ_VSTMP_RING_BASE:
1014		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1015		if (r) {
1016			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1017					"0x%04X\n", reg);
1018			return -EINVAL;
1019		}
1020		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1021		break;
1022	case SQ_CONFIG:
1023		track->sq_config = radeon_get_ib_value(p, idx);
1024		break;
1025	case R_028800_DB_DEPTH_CONTROL:
1026		track->db_depth_control = radeon_get_ib_value(p, idx);
1027		track->db_dirty = true;
1028		break;
1029	case R_028010_DB_DEPTH_INFO:
1030		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
1031		    radeon_cs_packet_next_is_pkt3_nop(p)) {
1032			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1033			if (r) {
1034				dev_warn(p->dev, "bad SET_CONTEXT_REG "
1035					 "0x%04X\n", reg);
1036				return -EINVAL;
1037			}
1038			track->db_depth_info = radeon_get_ib_value(p, idx);
1039			ib[idx] &= C_028010_ARRAY_MODE;
1040			track->db_depth_info &= C_028010_ARRAY_MODE;
1041			if (reloc->tiling_flags & RADEON_TILING_MACRO) {
1042				ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
1043				track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
1044			} else {
1045				ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
1046				track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
1047			}
1048		} else {
1049			track->db_depth_info = radeon_get_ib_value(p, idx);
1050		}
1051		track->db_dirty = true;
1052		break;
1053	case R_028004_DB_DEPTH_VIEW:
1054		track->db_depth_view = radeon_get_ib_value(p, idx);
1055		track->db_dirty = true;
1056		break;
1057	case R_028000_DB_DEPTH_SIZE:
1058		track->db_depth_size = radeon_get_ib_value(p, idx);
1059		track->db_depth_size_idx = idx;
1060		track->db_dirty = true;
1061		break;
1062	case R_028AB0_VGT_STRMOUT_EN:
1063		track->vgt_strmout_en = radeon_get_ib_value(p, idx);
1064		track->streamout_dirty = true;
1065		break;
1066	case R_028B20_VGT_STRMOUT_BUFFER_EN:
1067		track->vgt_strmout_buffer_en = radeon_get_ib_value(p, idx);
1068		track->streamout_dirty = true;
1069		break;
1070	case VGT_STRMOUT_BUFFER_BASE_0:
1071	case VGT_STRMOUT_BUFFER_BASE_1:
1072	case VGT_STRMOUT_BUFFER_BASE_2:
1073	case VGT_STRMOUT_BUFFER_BASE_3:
1074		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1075		if (r) {
1076			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1077					"0x%04X\n", reg);
1078			return -EINVAL;
1079		}
1080		tmp = (reg - VGT_STRMOUT_BUFFER_BASE_0) / 16;
1081		track->vgt_strmout_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1082		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1083		track->vgt_strmout_bo[tmp] = reloc->robj;
1084		track->vgt_strmout_bo_mc[tmp] = reloc->gpu_offset;
1085		track->streamout_dirty = true;
1086		break;
1087	case VGT_STRMOUT_BUFFER_SIZE_0:
1088	case VGT_STRMOUT_BUFFER_SIZE_1:
1089	case VGT_STRMOUT_BUFFER_SIZE_2:
1090	case VGT_STRMOUT_BUFFER_SIZE_3:
1091		tmp = (reg - VGT_STRMOUT_BUFFER_SIZE_0) / 16;
1092		/* size in register is DWs, convert to bytes */
1093		track->vgt_strmout_size[tmp] = radeon_get_ib_value(p, idx) * 4;
1094		track->streamout_dirty = true;
1095		break;
1096	case CP_COHER_BASE:
1097		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1098		if (r) {
1099			dev_warn(p->dev, "missing reloc for CP_COHER_BASE "
1100					"0x%04X\n", reg);
1101			return -EINVAL;
1102		}
1103		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1104		break;
1105	case R_028238_CB_TARGET_MASK:
1106		track->cb_target_mask = radeon_get_ib_value(p, idx);
1107		track->cb_dirty = true;
1108		break;
1109	case R_02823C_CB_SHADER_MASK:
1110		track->cb_shader_mask = radeon_get_ib_value(p, idx);
1111		break;
1112	case R_028C04_PA_SC_AA_CONFIG:
1113		tmp = G_028C04_MSAA_NUM_SAMPLES(radeon_get_ib_value(p, idx));
1114		track->log_nsamples = tmp;
1115		track->nsamples = 1 << tmp;
1116		track->cb_dirty = true;
1117		break;
1118	case R_028808_CB_COLOR_CONTROL:
1119		tmp = G_028808_SPECIAL_OP(radeon_get_ib_value(p, idx));
1120		track->is_resolve = tmp == V_028808_SPECIAL_RESOLVE_BOX;
1121		track->cb_dirty = true;
1122		break;
1123	case R_0280A0_CB_COLOR0_INFO:
1124	case R_0280A4_CB_COLOR1_INFO:
1125	case R_0280A8_CB_COLOR2_INFO:
1126	case R_0280AC_CB_COLOR3_INFO:
1127	case R_0280B0_CB_COLOR4_INFO:
1128	case R_0280B4_CB_COLOR5_INFO:
1129	case R_0280B8_CB_COLOR6_INFO:
1130	case R_0280BC_CB_COLOR7_INFO:
1131		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
1132		     radeon_cs_packet_next_is_pkt3_nop(p)) {
1133			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1134			if (r) {
1135				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1136				return -EINVAL;
1137			}
1138			tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1139			track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1140			if (reloc->tiling_flags & RADEON_TILING_MACRO) {
1141				ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1142				track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1143			} else if (reloc->tiling_flags & RADEON_TILING_MICRO) {
1144				ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1145				track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1146			}
1147		} else {
1148			tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1149			track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1150		}
1151		track->cb_dirty = true;
1152		break;
1153	case R_028080_CB_COLOR0_VIEW:
1154	case R_028084_CB_COLOR1_VIEW:
1155	case R_028088_CB_COLOR2_VIEW:
1156	case R_02808C_CB_COLOR3_VIEW:
1157	case R_028090_CB_COLOR4_VIEW:
1158	case R_028094_CB_COLOR5_VIEW:
1159	case R_028098_CB_COLOR6_VIEW:
1160	case R_02809C_CB_COLOR7_VIEW:
1161		tmp = (reg - R_028080_CB_COLOR0_VIEW) / 4;
1162		track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
1163		track->cb_dirty = true;
1164		break;
1165	case R_028060_CB_COLOR0_SIZE:
1166	case R_028064_CB_COLOR1_SIZE:
1167	case R_028068_CB_COLOR2_SIZE:
1168	case R_02806C_CB_COLOR3_SIZE:
1169	case R_028070_CB_COLOR4_SIZE:
1170	case R_028074_CB_COLOR5_SIZE:
1171	case R_028078_CB_COLOR6_SIZE:
1172	case R_02807C_CB_COLOR7_SIZE:
1173		tmp = (reg - R_028060_CB_COLOR0_SIZE) / 4;
1174		track->cb_color_size[tmp] = radeon_get_ib_value(p, idx);
1175		track->cb_color_size_idx[tmp] = idx;
1176		track->cb_dirty = true;
1177		break;
1178		/* This register were added late, there is userspace
1179		 * which does provide relocation for those but set
1180		 * 0 offset. In order to avoid breaking old userspace
1181		 * we detect this and set address to point to last
1182		 * CB_COLOR0_BASE, note that if userspace doesn't set
1183		 * CB_COLOR0_BASE before this register we will report
1184		 * error. Old userspace always set CB_COLOR0_BASE
1185		 * before any of this.
1186		 */
1187	case R_0280E0_CB_COLOR0_FRAG:
1188	case R_0280E4_CB_COLOR1_FRAG:
1189	case R_0280E8_CB_COLOR2_FRAG:
1190	case R_0280EC_CB_COLOR3_FRAG:
1191	case R_0280F0_CB_COLOR4_FRAG:
1192	case R_0280F4_CB_COLOR5_FRAG:
1193	case R_0280F8_CB_COLOR6_FRAG:
1194	case R_0280FC_CB_COLOR7_FRAG:
1195		tmp = (reg - R_0280E0_CB_COLOR0_FRAG) / 4;
1196		if (!radeon_cs_packet_next_is_pkt3_nop(p)) {
1197			if (!track->cb_color_base_last[tmp]) {
1198				dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1199				return -EINVAL;
1200			}
1201			track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp];
1202			track->cb_color_frag_offset[tmp] = track->cb_color_bo_offset[tmp];
1203			ib[idx] = track->cb_color_base_last[tmp];
1204		} else {
1205			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1206			if (r) {
1207				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1208				return -EINVAL;
1209			}
1210			track->cb_color_frag_bo[tmp] = reloc->robj;
1211			track->cb_color_frag_offset[tmp] = (u64)ib[idx] << 8;
1212			ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1213		}
1214		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1215			track->cb_dirty = true;
1216		}
1217		break;
1218	case R_0280C0_CB_COLOR0_TILE:
1219	case R_0280C4_CB_COLOR1_TILE:
1220	case R_0280C8_CB_COLOR2_TILE:
1221	case R_0280CC_CB_COLOR3_TILE:
1222	case R_0280D0_CB_COLOR4_TILE:
1223	case R_0280D4_CB_COLOR5_TILE:
1224	case R_0280D8_CB_COLOR6_TILE:
1225	case R_0280DC_CB_COLOR7_TILE:
1226		tmp = (reg - R_0280C0_CB_COLOR0_TILE) / 4;
1227		if (!radeon_cs_packet_next_is_pkt3_nop(p)) {
1228			if (!track->cb_color_base_last[tmp]) {
1229				dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1230				return -EINVAL;
1231			}
1232			track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp];
1233			track->cb_color_tile_offset[tmp] = track->cb_color_bo_offset[tmp];
1234			ib[idx] = track->cb_color_base_last[tmp];
1235		} else {
1236			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1237			if (r) {
1238				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1239				return -EINVAL;
1240			}
1241			track->cb_color_tile_bo[tmp] = reloc->robj;
1242			track->cb_color_tile_offset[tmp] = (u64)ib[idx] << 8;
1243			ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1244		}
1245		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1246			track->cb_dirty = true;
1247		}
1248		break;
1249	case R_028100_CB_COLOR0_MASK:
1250	case R_028104_CB_COLOR1_MASK:
1251	case R_028108_CB_COLOR2_MASK:
1252	case R_02810C_CB_COLOR3_MASK:
1253	case R_028110_CB_COLOR4_MASK:
1254	case R_028114_CB_COLOR5_MASK:
1255	case R_028118_CB_COLOR6_MASK:
1256	case R_02811C_CB_COLOR7_MASK:
1257		tmp = (reg - R_028100_CB_COLOR0_MASK) / 4;
1258		track->cb_color_mask[tmp] = radeon_get_ib_value(p, idx);
1259		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1260			track->cb_dirty = true;
1261		}
1262		break;
1263	case CB_COLOR0_BASE:
1264	case CB_COLOR1_BASE:
1265	case CB_COLOR2_BASE:
1266	case CB_COLOR3_BASE:
1267	case CB_COLOR4_BASE:
1268	case CB_COLOR5_BASE:
1269	case CB_COLOR6_BASE:
1270	case CB_COLOR7_BASE:
1271		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1272		if (r) {
1273			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1274					"0x%04X\n", reg);
1275			return -EINVAL;
1276		}
1277		tmp = (reg - CB_COLOR0_BASE) / 4;
1278		track->cb_color_bo_offset[tmp] = (u64)radeon_get_ib_value(p, idx) << 8;
1279		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1280		track->cb_color_base_last[tmp] = ib[idx];
1281		track->cb_color_bo[tmp] = reloc->robj;
1282		track->cb_color_bo_mc[tmp] = reloc->gpu_offset;
1283		track->cb_dirty = true;
1284		break;
1285	case DB_DEPTH_BASE:
1286		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1287		if (r) {
1288			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1289					"0x%04X\n", reg);
1290			return -EINVAL;
1291		}
1292		track->db_offset = radeon_get_ib_value(p, idx) << 8;
1293		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1294		track->db_bo = reloc->robj;
1295		track->db_bo_mc = reloc->gpu_offset;
1296		track->db_dirty = true;
1297		break;
1298	case DB_HTILE_DATA_BASE:
1299		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1300		if (r) {
1301			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1302					"0x%04X\n", reg);
1303			return -EINVAL;
1304		}
1305		track->htile_offset = (u64)radeon_get_ib_value(p, idx) << 8;
1306		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1307		track->htile_bo = reloc->robj;
1308		track->db_dirty = true;
1309		break;
1310	case DB_HTILE_SURFACE:
1311		track->htile_surface = radeon_get_ib_value(p, idx);
1312		/* force 8x8 htile width and height */
1313		ib[idx] |= 3;
1314		track->db_dirty = true;
1315		break;
1316	case SQ_PGM_START_FS:
1317	case SQ_PGM_START_ES:
1318	case SQ_PGM_START_VS:
1319	case SQ_PGM_START_GS:
1320	case SQ_PGM_START_PS:
1321	case SQ_ALU_CONST_CACHE_GS_0:
1322	case SQ_ALU_CONST_CACHE_GS_1:
1323	case SQ_ALU_CONST_CACHE_GS_2:
1324	case SQ_ALU_CONST_CACHE_GS_3:
1325	case SQ_ALU_CONST_CACHE_GS_4:
1326	case SQ_ALU_CONST_CACHE_GS_5:
1327	case SQ_ALU_CONST_CACHE_GS_6:
1328	case SQ_ALU_CONST_CACHE_GS_7:
1329	case SQ_ALU_CONST_CACHE_GS_8:
1330	case SQ_ALU_CONST_CACHE_GS_9:
1331	case SQ_ALU_CONST_CACHE_GS_10:
1332	case SQ_ALU_CONST_CACHE_GS_11:
1333	case SQ_ALU_CONST_CACHE_GS_12:
1334	case SQ_ALU_CONST_CACHE_GS_13:
1335	case SQ_ALU_CONST_CACHE_GS_14:
1336	case SQ_ALU_CONST_CACHE_GS_15:
1337	case SQ_ALU_CONST_CACHE_PS_0:
1338	case SQ_ALU_CONST_CACHE_PS_1:
1339	case SQ_ALU_CONST_CACHE_PS_2:
1340	case SQ_ALU_CONST_CACHE_PS_3:
1341	case SQ_ALU_CONST_CACHE_PS_4:
1342	case SQ_ALU_CONST_CACHE_PS_5:
1343	case SQ_ALU_CONST_CACHE_PS_6:
1344	case SQ_ALU_CONST_CACHE_PS_7:
1345	case SQ_ALU_CONST_CACHE_PS_8:
1346	case SQ_ALU_CONST_CACHE_PS_9:
1347	case SQ_ALU_CONST_CACHE_PS_10:
1348	case SQ_ALU_CONST_CACHE_PS_11:
1349	case SQ_ALU_CONST_CACHE_PS_12:
1350	case SQ_ALU_CONST_CACHE_PS_13:
1351	case SQ_ALU_CONST_CACHE_PS_14:
1352	case SQ_ALU_CONST_CACHE_PS_15:
1353	case SQ_ALU_CONST_CACHE_VS_0:
1354	case SQ_ALU_CONST_CACHE_VS_1:
1355	case SQ_ALU_CONST_CACHE_VS_2:
1356	case SQ_ALU_CONST_CACHE_VS_3:
1357	case SQ_ALU_CONST_CACHE_VS_4:
1358	case SQ_ALU_CONST_CACHE_VS_5:
1359	case SQ_ALU_CONST_CACHE_VS_6:
1360	case SQ_ALU_CONST_CACHE_VS_7:
1361	case SQ_ALU_CONST_CACHE_VS_8:
1362	case SQ_ALU_CONST_CACHE_VS_9:
1363	case SQ_ALU_CONST_CACHE_VS_10:
1364	case SQ_ALU_CONST_CACHE_VS_11:
1365	case SQ_ALU_CONST_CACHE_VS_12:
1366	case SQ_ALU_CONST_CACHE_VS_13:
1367	case SQ_ALU_CONST_CACHE_VS_14:
1368	case SQ_ALU_CONST_CACHE_VS_15:
1369		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1370		if (r) {
1371			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1372					"0x%04X\n", reg);
1373			return -EINVAL;
1374		}
1375		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1376		break;
1377	case SX_MEMORY_EXPORT_BASE:
1378		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1379		if (r) {
1380			dev_warn(p->dev, "bad SET_CONFIG_REG "
1381					"0x%04X\n", reg);
1382			return -EINVAL;
1383		}
1384		ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1385		break;
1386	case SX_MISC:
1387		track->sx_misc_kill_all_prims = (radeon_get_ib_value(p, idx) & 0x1) != 0;
1388		break;
1389	default:
1390		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1391		return -EINVAL;
1392	}
1393	return 0;
1394}
1395
1396unsigned r600_mip_minify(unsigned size, unsigned level)
1397{
1398	unsigned val;
1399
1400	val = max(1U, size >> level);
1401	if (level > 0)
1402		val = roundup_pow_of_two(val);
1403	return val;
1404}
1405
1406static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned llevel,
1407			      unsigned w0, unsigned h0, unsigned d0, unsigned nsamples, unsigned format,
1408			      unsigned block_align, unsigned height_align, unsigned base_align,
1409			      unsigned *l0_size, unsigned *mipmap_size)
1410{
1411	unsigned offset, i, level;
1412	unsigned width, height, depth, size;
1413	unsigned blocksize;
1414	unsigned nbx, nby;
1415	unsigned nlevels = llevel - blevel + 1;
1416
1417	*l0_size = -1;
1418	blocksize = r600_fmt_get_blocksize(format);
1419
1420	w0 = r600_mip_minify(w0, 0);
1421	h0 = r600_mip_minify(h0, 0);
1422	d0 = r600_mip_minify(d0, 0);
1423	for(i = 0, offset = 0, level = blevel; i < nlevels; i++, level++) {
1424		width = r600_mip_minify(w0, i);
1425		nbx = r600_fmt_get_nblocksx(format, width);
1426
1427		nbx = round_up(nbx, block_align);
1428
1429		height = r600_mip_minify(h0, i);
1430		nby = r600_fmt_get_nblocksy(format, height);
1431		nby = round_up(nby, height_align);
1432
1433		depth = r600_mip_minify(d0, i);
1434
1435		size = nbx * nby * blocksize * nsamples;
1436		if (nfaces)
1437			size *= nfaces;
1438		else
1439			size *= depth;
1440
1441		if (i == 0)
1442			*l0_size = size;
1443
1444		if (i == 0 || i == 1)
1445			offset = round_up(offset, base_align);
1446
1447		offset += size;
1448	}
1449	*mipmap_size = offset;
1450	if (llevel == 0)
1451		*mipmap_size = *l0_size;
1452	if (!blevel)
1453		*mipmap_size -= *l0_size;
1454}
1455
1456/**
1457 * r600_check_texture_resource() - check if register is authorized or not
1458 * @p: parser structure holding parsing context
1459 * @idx: index into the cs buffer
1460 * @texture: texture's bo structure
1461 * @mipmap: mipmap's bo structure
1462 * @base_offset: base offset (used for error checking)
1463 * @mip_offset: mip offset (used for error checking)
1464 * @tiling_flags: tiling flags
1465 *
1466 * This function will check that the resource has valid field and that
1467 * the texture and mipmap bo object are big enough to cover this resource.
1468 */
1469static int r600_check_texture_resource(struct radeon_cs_parser *p,  u32 idx,
1470					      struct radeon_bo *texture,
1471					      struct radeon_bo *mipmap,
1472					      u64 base_offset,
1473					      u64 mip_offset,
1474					      u32 tiling_flags)
1475{
1476	struct r600_cs_track *track = p->track;
1477	u32 dim, nfaces, llevel, blevel, w0, h0, d0;
1478	u32 word0, word1, l0_size, mipmap_size, word2, word3, word4, word5;
1479	u32 height_align, pitch, pitch_align, depth_align;
1480	u32 barray, larray;
1481	u64 base_align;
1482	struct array_mode_checker array_check;
1483	u32 format;
1484	bool is_array;
1485
1486	/* on legacy kernel we don't perform advanced check */
1487	if (p->rdev == NULL)
1488		return 0;
1489
1490	/* convert to bytes */
1491	base_offset <<= 8;
1492	mip_offset <<= 8;
1493
1494	word0 = radeon_get_ib_value(p, idx + 0);
1495	if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1496		if (tiling_flags & RADEON_TILING_MACRO)
1497			word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
1498		else if (tiling_flags & RADEON_TILING_MICRO)
1499			word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
1500	}
1501	word1 = radeon_get_ib_value(p, idx + 1);
1502	word2 = radeon_get_ib_value(p, idx + 2) << 8;
1503	word3 = radeon_get_ib_value(p, idx + 3) << 8;
1504	word4 = radeon_get_ib_value(p, idx + 4);
1505	word5 = radeon_get_ib_value(p, idx + 5);
1506	dim = G_038000_DIM(word0);
1507	w0 = G_038000_TEX_WIDTH(word0) + 1;
1508	pitch = (G_038000_PITCH(word0) + 1) * 8;
1509	h0 = G_038004_TEX_HEIGHT(word1) + 1;
1510	d0 = G_038004_TEX_DEPTH(word1);
1511	format = G_038004_DATA_FORMAT(word1);
1512	blevel = G_038010_BASE_LEVEL(word4);
1513	llevel = G_038014_LAST_LEVEL(word5);
1514	/* pitch in texels */
1515	array_check.array_mode = G_038000_TILE_MODE(word0);
1516	array_check.group_size = track->group_size;
1517	array_check.nbanks = track->nbanks;
1518	array_check.npipes = track->npipes;
1519	array_check.nsamples = 1;
1520	array_check.blocksize = r600_fmt_get_blocksize(format);
1521	nfaces = 1;
1522	is_array = false;
1523	switch (dim) {
1524	case V_038000_SQ_TEX_DIM_1D:
1525	case V_038000_SQ_TEX_DIM_2D:
1526	case V_038000_SQ_TEX_DIM_3D:
1527		break;
1528	case V_038000_SQ_TEX_DIM_CUBEMAP:
1529		if (p->family >= CHIP_RV770)
1530			nfaces = 8;
1531		else
1532			nfaces = 6;
1533		break;
1534	case V_038000_SQ_TEX_DIM_1D_ARRAY:
1535	case V_038000_SQ_TEX_DIM_2D_ARRAY:
1536		is_array = true;
1537		break;
1538	case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA:
1539		is_array = true;
1540		fallthrough;
1541	case V_038000_SQ_TEX_DIM_2D_MSAA:
1542		array_check.nsamples = 1 << llevel;
1543		llevel = 0;
1544		break;
1545	default:
1546		dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0));
1547		return -EINVAL;
1548	}
1549	if (!r600_fmt_is_valid_texture(format, p->family)) {
1550		dev_warn(p->dev, "%s:%d texture invalid format %d\n",
1551			 __func__, __LINE__, format);
1552		return -EINVAL;
1553	}
1554
1555	if (r600_get_array_mode_alignment(&array_check,
1556					  &pitch_align, &height_align, &depth_align, &base_align)) {
1557		dev_warn(p->dev, "%s:%d tex array mode (%d) invalid\n",
1558			 __func__, __LINE__, G_038000_TILE_MODE(word0));
1559		return -EINVAL;
1560	}
1561
1562	/* XXX check height as well... */
1563
1564	if (!IS_ALIGNED(pitch, pitch_align)) {
1565		dev_warn(p->dev, "%s:%d tex pitch (%d, 0x%x, %d) invalid\n",
1566			 __func__, __LINE__, pitch, pitch_align, G_038000_TILE_MODE(word0));
1567		return -EINVAL;
1568	}
1569	if (!IS_ALIGNED(base_offset, base_align)) {
1570		dev_warn(p->dev, "%s:%d tex base offset (0x%llx, 0x%llx, %d) invalid\n",
1571			 __func__, __LINE__, base_offset, base_align, G_038000_TILE_MODE(word0));
1572		return -EINVAL;
1573	}
1574	if (!IS_ALIGNED(mip_offset, base_align)) {
1575		dev_warn(p->dev, "%s:%d tex mip offset (0x%llx, 0x%llx, %d) invalid\n",
1576			 __func__, __LINE__, mip_offset, base_align, G_038000_TILE_MODE(word0));
1577		return -EINVAL;
1578	}
1579
1580	if (blevel > llevel) {
1581		dev_warn(p->dev, "texture blevel %d > llevel %d\n",
1582			 blevel, llevel);
1583	}
1584	if (is_array) {
1585		barray = G_038014_BASE_ARRAY(word5);
1586		larray = G_038014_LAST_ARRAY(word5);
1587
1588		nfaces = larray - barray + 1;
1589	}
1590	r600_texture_size(nfaces, blevel, llevel, w0, h0, d0, array_check.nsamples, format,
1591			  pitch_align, height_align, base_align,
1592			  &l0_size, &mipmap_size);
1593	/* using get ib will give us the offset into the texture bo */
1594	if ((l0_size + word2) > radeon_bo_size(texture)) {
1595		dev_warn(p->dev, "texture bo too small ((%d %d) (%d %d) %d %d %d -> %d have %ld)\n",
1596			 w0, h0, pitch_align, height_align,
1597			 array_check.array_mode, format, word2,
1598			 l0_size, radeon_bo_size(texture));
1599		dev_warn(p->dev, "alignments %d %d %d %lld\n", pitch, pitch_align, height_align, base_align);
1600		return -EINVAL;
1601	}
1602	/* using get ib will give us the offset into the mipmap bo */
1603	if ((mipmap_size + word3) > radeon_bo_size(mipmap)) {
1604		/*dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n",
1605		  w0, h0, format, blevel, nlevels, word3, mipmap_size, radeon_bo_size(texture));*/
1606	}
1607	return 0;
1608}
1609
1610static bool r600_is_safe_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1611{
1612	u32 m, i;
1613
1614	i = (reg >> 7);
1615	if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
1616		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1617		return false;
1618	}
1619	m = 1 << ((reg >> 2) & 31);
1620	if (!(r600_reg_safe_bm[i] & m))
1621		return true;
1622	dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1623	return false;
1624}
1625
1626static int r600_packet3_check(struct radeon_cs_parser *p,
1627				struct radeon_cs_packet *pkt)
1628{
1629	struct radeon_bo_list *reloc;
1630	struct r600_cs_track *track;
1631	volatile u32 *ib;
1632	unsigned idx;
1633	unsigned i;
1634	unsigned start_reg, end_reg, reg;
1635	int r;
1636	u32 idx_value;
1637
1638	track = (struct r600_cs_track *)p->track;
1639	ib = p->ib.ptr;
1640	idx = pkt->idx + 1;
1641	idx_value = radeon_get_ib_value(p, idx);
1642
1643	switch (pkt->opcode) {
1644	case PACKET3_SET_PREDICATION:
1645	{
1646		int pred_op;
1647		int tmp;
1648		uint64_t offset;
1649
1650		if (pkt->count != 1) {
1651			DRM_ERROR("bad SET PREDICATION\n");
1652			return -EINVAL;
1653		}
1654
1655		tmp = radeon_get_ib_value(p, idx + 1);
1656		pred_op = (tmp >> 16) & 0x7;
1657
1658		/* for the clear predicate operation */
1659		if (pred_op == 0)
1660			return 0;
1661
1662		if (pred_op > 2) {
1663			DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op);
1664			return -EINVAL;
1665		}
1666
1667		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1668		if (r) {
1669			DRM_ERROR("bad SET PREDICATION\n");
1670			return -EINVAL;
1671		}
1672
1673		offset = reloc->gpu_offset +
1674			 (idx_value & 0xfffffff0) +
1675			 ((u64)(tmp & 0xff) << 32);
1676
1677		ib[idx + 0] = offset;
1678		ib[idx + 1] = (tmp & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1679	}
1680	break;
1681
1682	case PACKET3_START_3D_CMDBUF:
1683		if (p->family >= CHIP_RV770 || pkt->count) {
1684			DRM_ERROR("bad START_3D\n");
1685			return -EINVAL;
1686		}
1687		break;
1688	case PACKET3_CONTEXT_CONTROL:
1689		if (pkt->count != 1) {
1690			DRM_ERROR("bad CONTEXT_CONTROL\n");
1691			return -EINVAL;
1692		}
1693		break;
1694	case PACKET3_INDEX_TYPE:
1695	case PACKET3_NUM_INSTANCES:
1696		if (pkt->count) {
1697			DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES\n");
1698			return -EINVAL;
1699		}
1700		break;
1701	case PACKET3_DRAW_INDEX:
1702	{
1703		uint64_t offset;
1704		if (pkt->count != 3) {
1705			DRM_ERROR("bad DRAW_INDEX\n");
1706			return -EINVAL;
1707		}
1708		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1709		if (r) {
1710			DRM_ERROR("bad DRAW_INDEX\n");
1711			return -EINVAL;
1712		}
1713
1714		offset = reloc->gpu_offset +
1715			 idx_value +
1716			 ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1717
1718		ib[idx+0] = offset;
1719		ib[idx+1] = upper_32_bits(offset) & 0xff;
1720
1721		r = r600_cs_track_check(p);
1722		if (r) {
1723			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1724			return r;
1725		}
1726		break;
1727	}
1728	case PACKET3_DRAW_INDEX_AUTO:
1729		if (pkt->count != 1) {
1730			DRM_ERROR("bad DRAW_INDEX_AUTO\n");
1731			return -EINVAL;
1732		}
1733		r = r600_cs_track_check(p);
1734		if (r) {
1735			dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
1736			return r;
1737		}
1738		break;
1739	case PACKET3_DRAW_INDEX_IMMD_BE:
1740	case PACKET3_DRAW_INDEX_IMMD:
1741		if (pkt->count < 2) {
1742			DRM_ERROR("bad DRAW_INDEX_IMMD\n");
1743			return -EINVAL;
1744		}
1745		r = r600_cs_track_check(p);
1746		if (r) {
1747			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1748			return r;
1749		}
1750		break;
1751	case PACKET3_WAIT_REG_MEM:
1752		if (pkt->count != 5) {
1753			DRM_ERROR("bad WAIT_REG_MEM\n");
1754			return -EINVAL;
1755		}
1756		/* bit 4 is reg (0) or mem (1) */
1757		if (idx_value & 0x10) {
1758			uint64_t offset;
1759
1760			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1761			if (r) {
1762				DRM_ERROR("bad WAIT_REG_MEM\n");
1763				return -EINVAL;
1764			}
1765
1766			offset = reloc->gpu_offset +
1767				 (radeon_get_ib_value(p, idx+1) & 0xfffffff0) +
1768				 ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1769
1770			ib[idx+1] = (ib[idx+1] & 0x3) | (offset & 0xfffffff0);
1771			ib[idx+2] = upper_32_bits(offset) & 0xff;
1772		} else if (idx_value & 0x100) {
1773			DRM_ERROR("cannot use PFP on REG wait\n");
1774			return -EINVAL;
1775		}
1776		break;
1777	case PACKET3_CP_DMA:
1778	{
1779		u32 command, size;
1780		u64 offset, tmp;
1781		if (pkt->count != 4) {
1782			DRM_ERROR("bad CP DMA\n");
1783			return -EINVAL;
1784		}
1785		command = radeon_get_ib_value(p, idx+4);
1786		size = command & 0x1fffff;
1787		if (command & PACKET3_CP_DMA_CMD_SAS) {
1788			/* src address space is register */
1789			DRM_ERROR("CP DMA SAS not supported\n");
1790			return -EINVAL;
1791		} else {
1792			if (command & PACKET3_CP_DMA_CMD_SAIC) {
1793				DRM_ERROR("CP DMA SAIC only supported for registers\n");
1794				return -EINVAL;
1795			}
1796			/* src address space is memory */
1797			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1798			if (r) {
1799				DRM_ERROR("bad CP DMA SRC\n");
1800				return -EINVAL;
1801			}
1802
1803			tmp = radeon_get_ib_value(p, idx) +
1804				((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1805
1806			offset = reloc->gpu_offset + tmp;
1807
1808			if ((tmp + size) > radeon_bo_size(reloc->robj)) {
1809				dev_warn(p->dev, "CP DMA src buffer too small (%llu %lu)\n",
1810					 tmp + size, radeon_bo_size(reloc->robj));
1811				return -EINVAL;
1812			}
1813
1814			ib[idx] = offset;
1815			ib[idx+1] = (ib[idx+1] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1816		}
1817		if (command & PACKET3_CP_DMA_CMD_DAS) {
1818			/* dst address space is register */
1819			DRM_ERROR("CP DMA DAS not supported\n");
1820			return -EINVAL;
1821		} else {
1822			/* dst address space is memory */
1823			if (command & PACKET3_CP_DMA_CMD_DAIC) {
1824				DRM_ERROR("CP DMA DAIC only supported for registers\n");
1825				return -EINVAL;
1826			}
1827			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1828			if (r) {
1829				DRM_ERROR("bad CP DMA DST\n");
1830				return -EINVAL;
1831			}
1832
1833			tmp = radeon_get_ib_value(p, idx+2) +
1834				((u64)(radeon_get_ib_value(p, idx+3) & 0xff) << 32);
1835
1836			offset = reloc->gpu_offset + tmp;
1837
1838			if ((tmp + size) > radeon_bo_size(reloc->robj)) {
1839				dev_warn(p->dev, "CP DMA dst buffer too small (%llu %lu)\n",
1840					 tmp + size, radeon_bo_size(reloc->robj));
1841				return -EINVAL;
1842			}
1843
1844			ib[idx+2] = offset;
1845			ib[idx+3] = upper_32_bits(offset) & 0xff;
1846		}
1847		break;
1848	}
1849	case PACKET3_SURFACE_SYNC:
1850		if (pkt->count != 3) {
1851			DRM_ERROR("bad SURFACE_SYNC\n");
1852			return -EINVAL;
1853		}
1854		/* 0xffffffff/0x0 is flush all cache flag */
1855		if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
1856		    radeon_get_ib_value(p, idx + 2) != 0) {
1857			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1858			if (r) {
1859				DRM_ERROR("bad SURFACE_SYNC\n");
1860				return -EINVAL;
1861			}
1862			ib[idx+2] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1863		}
1864		break;
1865	case PACKET3_EVENT_WRITE:
1866		if (pkt->count != 2 && pkt->count != 0) {
1867			DRM_ERROR("bad EVENT_WRITE\n");
1868			return -EINVAL;
1869		}
1870		if (pkt->count) {
1871			uint64_t offset;
1872
1873			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1874			if (r) {
1875				DRM_ERROR("bad EVENT_WRITE\n");
1876				return -EINVAL;
1877			}
1878			offset = reloc->gpu_offset +
1879				 (radeon_get_ib_value(p, idx+1) & 0xfffffff8) +
1880				 ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1881
1882			ib[idx+1] = offset & 0xfffffff8;
1883			ib[idx+2] = upper_32_bits(offset) & 0xff;
1884		}
1885		break;
1886	case PACKET3_EVENT_WRITE_EOP:
1887	{
1888		uint64_t offset;
1889
1890		if (pkt->count != 4) {
1891			DRM_ERROR("bad EVENT_WRITE_EOP\n");
1892			return -EINVAL;
1893		}
1894		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1895		if (r) {
1896			DRM_ERROR("bad EVENT_WRITE\n");
1897			return -EINVAL;
1898		}
1899
1900		offset = reloc->gpu_offset +
1901			 (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
1902			 ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1903
1904		ib[idx+1] = offset & 0xfffffffc;
1905		ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1906		break;
1907	}
1908	case PACKET3_SET_CONFIG_REG:
1909		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_OFFSET;
1910		end_reg = 4 * pkt->count + start_reg - 4;
1911		if ((start_reg < PACKET3_SET_CONFIG_REG_OFFSET) ||
1912		    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
1913		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
1914			DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
1915			return -EINVAL;
1916		}
1917		for (i = 0; i < pkt->count; i++) {
1918			reg = start_reg + (4 * i);
1919			r = r600_cs_check_reg(p, reg, idx+1+i);
1920			if (r)
1921				return r;
1922		}
1923		break;
1924	case PACKET3_SET_CONTEXT_REG:
1925		start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_OFFSET;
1926		end_reg = 4 * pkt->count + start_reg - 4;
1927		if ((start_reg < PACKET3_SET_CONTEXT_REG_OFFSET) ||
1928		    (start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
1929		    (end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
1930			DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n");
1931			return -EINVAL;
1932		}
1933		for (i = 0; i < pkt->count; i++) {
1934			reg = start_reg + (4 * i);
1935			r = r600_cs_check_reg(p, reg, idx+1+i);
1936			if (r)
1937				return r;
1938		}
1939		break;
1940	case PACKET3_SET_RESOURCE:
1941		if (pkt->count % 7) {
1942			DRM_ERROR("bad SET_RESOURCE\n");
1943			return -EINVAL;
1944		}
1945		start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_OFFSET;
1946		end_reg = 4 * pkt->count + start_reg - 4;
1947		if ((start_reg < PACKET3_SET_RESOURCE_OFFSET) ||
1948		    (start_reg >= PACKET3_SET_RESOURCE_END) ||
1949		    (end_reg >= PACKET3_SET_RESOURCE_END)) {
1950			DRM_ERROR("bad SET_RESOURCE\n");
1951			return -EINVAL;
1952		}
1953		for (i = 0; i < (pkt->count / 7); i++) {
1954			struct radeon_bo *texture, *mipmap;
1955			u32 size, offset, base_offset, mip_offset;
1956
1957			switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) {
1958			case SQ_TEX_VTX_VALID_TEXTURE:
1959				/* tex base */
1960				r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1961				if (r) {
1962					DRM_ERROR("bad SET_RESOURCE\n");
1963					return -EINVAL;
1964				}
1965				base_offset = (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1966				if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1967					if (reloc->tiling_flags & RADEON_TILING_MACRO)
1968						ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
1969					else if (reloc->tiling_flags & RADEON_TILING_MICRO)
1970						ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
1971				}
1972				texture = reloc->robj;
1973				/* tex mip base */
1974				r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1975				if (r) {
1976					DRM_ERROR("bad SET_RESOURCE\n");
1977					return -EINVAL;
1978				}
1979				mip_offset = (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1980				mipmap = reloc->robj;
1981				r = r600_check_texture_resource(p,  idx+(i*7)+1,
1982								texture, mipmap,
1983								base_offset + radeon_get_ib_value(p, idx+1+(i*7)+2),
1984								mip_offset + radeon_get_ib_value(p, idx+1+(i*7)+3),
1985								reloc->tiling_flags);
1986				if (r)
1987					return r;
1988				ib[idx+1+(i*7)+2] += base_offset;
1989				ib[idx+1+(i*7)+3] += mip_offset;
1990				break;
1991			case SQ_TEX_VTX_VALID_BUFFER:
1992			{
1993				uint64_t offset64;
1994				/* vtx base */
1995				r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
1996				if (r) {
1997					DRM_ERROR("bad SET_RESOURCE\n");
1998					return -EINVAL;
1999				}
2000				offset = radeon_get_ib_value(p, idx+1+(i*7)+0);
2001				size = radeon_get_ib_value(p, idx+1+(i*7)+1) + 1;
2002				if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
2003					/* force size to size of the buffer */
2004					dev_warn(p->dev, "vbo resource seems too big (%d) for the bo (%ld)\n",
2005						 size + offset, radeon_bo_size(reloc->robj));
2006					ib[idx+1+(i*7)+1] = radeon_bo_size(reloc->robj) - offset;
2007				}
2008
2009				offset64 = reloc->gpu_offset + offset;
2010				ib[idx+1+(i*8)+0] = offset64;
2011				ib[idx+1+(i*8)+2] = (ib[idx+1+(i*8)+2] & 0xffffff00) |
2012						    (upper_32_bits(offset64) & 0xff);
2013				break;
2014			}
2015			case SQ_TEX_VTX_INVALID_TEXTURE:
2016			case SQ_TEX_VTX_INVALID_BUFFER:
2017			default:
2018				DRM_ERROR("bad SET_RESOURCE\n");
2019				return -EINVAL;
2020			}
2021		}
2022		break;
2023	case PACKET3_SET_ALU_CONST:
2024		if (track->sq_config & DX9_CONSTS) {
2025			start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET;
2026			end_reg = 4 * pkt->count + start_reg - 4;
2027			if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) ||
2028			    (start_reg >= PACKET3_SET_ALU_CONST_END) ||
2029			    (end_reg >= PACKET3_SET_ALU_CONST_END)) {
2030				DRM_ERROR("bad SET_ALU_CONST\n");
2031				return -EINVAL;
2032			}
2033		}
2034		break;
2035	case PACKET3_SET_BOOL_CONST:
2036		start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_OFFSET;
2037		end_reg = 4 * pkt->count + start_reg - 4;
2038		if ((start_reg < PACKET3_SET_BOOL_CONST_OFFSET) ||
2039		    (start_reg >= PACKET3_SET_BOOL_CONST_END) ||
2040		    (end_reg >= PACKET3_SET_BOOL_CONST_END)) {
2041			DRM_ERROR("bad SET_BOOL_CONST\n");
2042			return -EINVAL;
2043		}
2044		break;
2045	case PACKET3_SET_LOOP_CONST:
2046		start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_OFFSET;
2047		end_reg = 4 * pkt->count + start_reg - 4;
2048		if ((start_reg < PACKET3_SET_LOOP_CONST_OFFSET) ||
2049		    (start_reg >= PACKET3_SET_LOOP_CONST_END) ||
2050		    (end_reg >= PACKET3_SET_LOOP_CONST_END)) {
2051			DRM_ERROR("bad SET_LOOP_CONST\n");
2052			return -EINVAL;
2053		}
2054		break;
2055	case PACKET3_SET_CTL_CONST:
2056		start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_OFFSET;
2057		end_reg = 4 * pkt->count + start_reg - 4;
2058		if ((start_reg < PACKET3_SET_CTL_CONST_OFFSET) ||
2059		    (start_reg >= PACKET3_SET_CTL_CONST_END) ||
2060		    (end_reg >= PACKET3_SET_CTL_CONST_END)) {
2061			DRM_ERROR("bad SET_CTL_CONST\n");
2062			return -EINVAL;
2063		}
2064		break;
2065	case PACKET3_SET_SAMPLER:
2066		if (pkt->count % 3) {
2067			DRM_ERROR("bad SET_SAMPLER\n");
2068			return -EINVAL;
2069		}
2070		start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_OFFSET;
2071		end_reg = 4 * pkt->count + start_reg - 4;
2072		if ((start_reg < PACKET3_SET_SAMPLER_OFFSET) ||
2073		    (start_reg >= PACKET3_SET_SAMPLER_END) ||
2074		    (end_reg >= PACKET3_SET_SAMPLER_END)) {
2075			DRM_ERROR("bad SET_SAMPLER\n");
2076			return -EINVAL;
2077		}
2078		break;
2079	case PACKET3_STRMOUT_BASE_UPDATE:
2080		/* RS780 and RS880 also need this */
2081		if (p->family < CHIP_RS780) {
2082			DRM_ERROR("STRMOUT_BASE_UPDATE only supported on 7xx\n");
2083			return -EINVAL;
2084		}
2085		if (pkt->count != 1) {
2086			DRM_ERROR("bad STRMOUT_BASE_UPDATE packet count\n");
2087			return -EINVAL;
2088		}
2089		if (idx_value > 3) {
2090			DRM_ERROR("bad STRMOUT_BASE_UPDATE index\n");
2091			return -EINVAL;
2092		}
2093		{
2094			u64 offset;
2095
2096			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2097			if (r) {
2098				DRM_ERROR("bad STRMOUT_BASE_UPDATE reloc\n");
2099				return -EINVAL;
2100			}
2101
2102			if (reloc->robj != track->vgt_strmout_bo[idx_value]) {
2103				DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo does not match\n");
2104				return -EINVAL;
2105			}
2106
2107			offset = radeon_get_ib_value(p, idx+1) << 8;
2108			if (offset != track->vgt_strmout_bo_offset[idx_value]) {
2109				DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo offset does not match: 0x%llx, 0x%x\n",
2110					  offset, track->vgt_strmout_bo_offset[idx_value]);
2111				return -EINVAL;
2112			}
2113
2114			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2115				DRM_ERROR("bad STRMOUT_BASE_UPDATE bo too small: 0x%llx, 0x%lx\n",
2116					  offset + 4, radeon_bo_size(reloc->robj));
2117				return -EINVAL;
2118			}
2119			ib[idx+1] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
2120		}
2121		break;
2122	case PACKET3_SURFACE_BASE_UPDATE:
2123		if (p->family >= CHIP_RV770 || p->family == CHIP_R600) {
2124			DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
2125			return -EINVAL;
2126		}
2127		if (pkt->count) {
2128			DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
2129			return -EINVAL;
2130		}
2131		break;
2132	case PACKET3_STRMOUT_BUFFER_UPDATE:
2133		if (pkt->count != 4) {
2134			DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (invalid count)\n");
2135			return -EINVAL;
2136		}
2137		/* Updating memory at DST_ADDRESS. */
2138		if (idx_value & 0x1) {
2139			u64 offset;
2140			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2141			if (r) {
2142				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing dst reloc)\n");
2143				return -EINVAL;
2144			}
2145			offset = radeon_get_ib_value(p, idx+1);
2146			offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2147			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2148				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE dst bo too small: 0x%llx, 0x%lx\n",
2149					  offset + 4, radeon_bo_size(reloc->robj));
2150				return -EINVAL;
2151			}
2152			offset += reloc->gpu_offset;
2153			ib[idx+1] = offset;
2154			ib[idx+2] = upper_32_bits(offset) & 0xff;
2155		}
2156		/* Reading data from SRC_ADDRESS. */
2157		if (((idx_value >> 1) & 0x3) == 2) {
2158			u64 offset;
2159			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2160			if (r) {
2161				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing src reloc)\n");
2162				return -EINVAL;
2163			}
2164			offset = radeon_get_ib_value(p, idx+3);
2165			offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2166			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2167				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE src bo too small: 0x%llx, 0x%lx\n",
2168					  offset + 4, radeon_bo_size(reloc->robj));
2169				return -EINVAL;
2170			}
2171			offset += reloc->gpu_offset;
2172			ib[idx+3] = offset;
2173			ib[idx+4] = upper_32_bits(offset) & 0xff;
2174		}
2175		break;
2176	case PACKET3_MEM_WRITE:
2177	{
2178		u64 offset;
2179
2180		if (pkt->count != 3) {
2181			DRM_ERROR("bad MEM_WRITE (invalid count)\n");
2182			return -EINVAL;
2183		}
2184		r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2185		if (r) {
2186			DRM_ERROR("bad MEM_WRITE (missing reloc)\n");
2187			return -EINVAL;
2188		}
2189		offset = radeon_get_ib_value(p, idx+0);
2190		offset += ((u64)(radeon_get_ib_value(p, idx+1) & 0xff)) << 32UL;
2191		if (offset & 0x7) {
2192			DRM_ERROR("bad MEM_WRITE (address not qwords aligned)\n");
2193			return -EINVAL;
2194		}
2195		if ((offset + 8) > radeon_bo_size(reloc->robj)) {
2196			DRM_ERROR("bad MEM_WRITE bo too small: 0x%llx, 0x%lx\n",
2197				  offset + 8, radeon_bo_size(reloc->robj));
2198			return -EINVAL;
2199		}
2200		offset += reloc->gpu_offset;
2201		ib[idx+0] = offset;
2202		ib[idx+1] = upper_32_bits(offset) & 0xff;
2203		break;
2204	}
2205	case PACKET3_COPY_DW:
2206		if (pkt->count != 4) {
2207			DRM_ERROR("bad COPY_DW (invalid count)\n");
2208			return -EINVAL;
2209		}
2210		if (idx_value & 0x1) {
2211			u64 offset;
2212			/* SRC is memory. */
2213			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2214			if (r) {
2215				DRM_ERROR("bad COPY_DW (missing src reloc)\n");
2216				return -EINVAL;
2217			}
2218			offset = radeon_get_ib_value(p, idx+1);
2219			offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2220			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2221				DRM_ERROR("bad COPY_DW src bo too small: 0x%llx, 0x%lx\n",
2222					  offset + 4, radeon_bo_size(reloc->robj));
2223				return -EINVAL;
2224			}
2225			offset += reloc->gpu_offset;
2226			ib[idx+1] = offset;
2227			ib[idx+2] = upper_32_bits(offset) & 0xff;
2228		} else {
2229			/* SRC is a reg. */
2230			reg = radeon_get_ib_value(p, idx+1) << 2;
2231			if (!r600_is_safe_reg(p, reg, idx+1))
2232				return -EINVAL;
2233		}
2234		if (idx_value & 0x2) {
2235			u64 offset;
2236			/* DST is memory. */
2237			r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
2238			if (r) {
2239				DRM_ERROR("bad COPY_DW (missing dst reloc)\n");
2240				return -EINVAL;
2241			}
2242			offset = radeon_get_ib_value(p, idx+3);
2243			offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2244			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2245				DRM_ERROR("bad COPY_DW dst bo too small: 0x%llx, 0x%lx\n",
2246					  offset + 4, radeon_bo_size(reloc->robj));
2247				return -EINVAL;
2248			}
2249			offset += reloc->gpu_offset;
2250			ib[idx+3] = offset;
2251			ib[idx+4] = upper_32_bits(offset) & 0xff;
2252		} else {
2253			/* DST is a reg. */
2254			reg = radeon_get_ib_value(p, idx+3) << 2;
2255			if (!r600_is_safe_reg(p, reg, idx+3))
2256				return -EINVAL;
2257		}
2258		break;
2259	case PACKET3_NOP:
2260		break;
2261	default:
2262		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2263		return -EINVAL;
2264	}
2265	return 0;
2266}
2267
2268int r600_cs_parse(struct radeon_cs_parser *p)
2269{
2270	struct radeon_cs_packet pkt;
2271	struct r600_cs_track *track;
2272	int r;
2273
2274	if (p->track == NULL) {
2275		/* initialize tracker, we are in kms */
2276		track = kzalloc(sizeof(*track), GFP_KERNEL);
2277		if (track == NULL)
2278			return -ENOMEM;
2279		r600_cs_track_init(track);
2280		if (p->rdev->family < CHIP_RV770) {
2281			track->npipes = p->rdev->config.r600.tiling_npipes;
2282			track->nbanks = p->rdev->config.r600.tiling_nbanks;
2283			track->group_size = p->rdev->config.r600.tiling_group_size;
2284		} else if (p->rdev->family <= CHIP_RV740) {
2285			track->npipes = p->rdev->config.rv770.tiling_npipes;
2286			track->nbanks = p->rdev->config.rv770.tiling_nbanks;
2287			track->group_size = p->rdev->config.rv770.tiling_group_size;
2288		}
2289		p->track = track;
2290	}
2291	do {
2292		r = radeon_cs_packet_parse(p, &pkt, p->idx);
2293		if (r) {
2294			kfree(p->track);
2295			p->track = NULL;
2296			return r;
2297		}
2298		p->idx += pkt.count + 2;
2299		switch (pkt.type) {
2300		case RADEON_PACKET_TYPE0:
2301			r = r600_cs_parse_packet0(p, &pkt);
2302			break;
2303		case RADEON_PACKET_TYPE2:
2304			break;
2305		case RADEON_PACKET_TYPE3:
2306			r = r600_packet3_check(p, &pkt);
2307			break;
2308		default:
2309			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
2310			kfree(p->track);
2311			p->track = NULL;
2312			return -EINVAL;
2313		}
2314		if (r) {
2315			kfree(p->track);
2316			p->track = NULL;
2317			return r;
2318		}
2319	} while (p->idx < p->chunk_ib->length_dw);
2320#if 0
2321	for (r = 0; r < p->ib.length_dw; r++) {
2322		pr_info("%05d  0x%08X\n", r, p->ib.ptr[r]);
2323		mdelay(1);
2324	}
2325#endif
2326	kfree(p->track);
2327	p->track = NULL;
2328	return 0;
2329}
2330
2331/*
2332 *  DMA
2333 */
2334/**
2335 * r600_dma_cs_next_reloc() - parse next reloc
2336 * @p:		parser structure holding parsing context.
2337 * @cs_reloc:		reloc information
2338 *
2339 * Return the next reloc, do bo validation and compute
2340 * GPU offset using the provided start.
2341 **/
2342int r600_dma_cs_next_reloc(struct radeon_cs_parser *p,
2343			   struct radeon_bo_list **cs_reloc)
2344{
2345	unsigned idx;
2346
2347	*cs_reloc = NULL;
2348	if (p->chunk_relocs == NULL) {
2349		DRM_ERROR("No relocation chunk !\n");
2350		return -EINVAL;
2351	}
2352	idx = p->dma_reloc_idx;
2353	if (idx >= p->nrelocs) {
2354		DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
2355			  idx, p->nrelocs);
2356		return -EINVAL;
2357	}
2358	*cs_reloc = &p->relocs[idx];
2359	p->dma_reloc_idx++;
2360	return 0;
2361}
2362
2363#define GET_DMA_CMD(h) (((h) & 0xf0000000) >> 28)
2364#define GET_DMA_COUNT(h) ((h) & 0x0000ffff)
2365#define GET_DMA_T(h) (((h) & 0x00800000) >> 23)
2366
2367/**
2368 * r600_dma_cs_parse() - parse the DMA IB
2369 * @p:		parser structure holding parsing context.
2370 *
2371 * Parses the DMA IB from the CS ioctl and updates
2372 * the GPU addresses based on the reloc information and
2373 * checks for errors. (R6xx-R7xx)
2374 * Returns 0 for success and an error on failure.
2375 **/
2376int r600_dma_cs_parse(struct radeon_cs_parser *p)
2377{
2378	struct radeon_cs_chunk *ib_chunk = p->chunk_ib;
2379	struct radeon_bo_list *src_reloc, *dst_reloc;
2380	u32 header, cmd, count, tiled;
2381	volatile u32 *ib = p->ib.ptr;
2382	u32 idx, idx_value;
2383	u64 src_offset, dst_offset;
2384	int r;
2385
2386	do {
2387		if (p->idx >= ib_chunk->length_dw) {
2388			DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
2389				  p->idx, ib_chunk->length_dw);
2390			return -EINVAL;
2391		}
2392		idx = p->idx;
2393		header = radeon_get_ib_value(p, idx);
2394		cmd = GET_DMA_CMD(header);
2395		count = GET_DMA_COUNT(header);
2396		tiled = GET_DMA_T(header);
2397
2398		switch (cmd) {
2399		case DMA_PACKET_WRITE:
2400			r = r600_dma_cs_next_reloc(p, &dst_reloc);
2401			if (r) {
2402				DRM_ERROR("bad DMA_PACKET_WRITE\n");
2403				return -EINVAL;
2404			}
2405			if (tiled) {
2406				dst_offset = radeon_get_ib_value(p, idx+1);
2407				dst_offset <<= 8;
2408
2409				ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
2410				p->idx += count + 5;
2411			} else {
2412				dst_offset = radeon_get_ib_value(p, idx+1);
2413				dst_offset |= ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2414
2415				ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2416				ib[idx+2] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2417				p->idx += count + 3;
2418			}
2419			if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2420				dev_warn(p->dev, "DMA write buffer too small (%llu %lu)\n",
2421					 dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2422				return -EINVAL;
2423			}
2424			break;
2425		case DMA_PACKET_COPY:
2426			r = r600_dma_cs_next_reloc(p, &src_reloc);
2427			if (r) {
2428				DRM_ERROR("bad DMA_PACKET_COPY\n");
2429				return -EINVAL;
2430			}
2431			r = r600_dma_cs_next_reloc(p, &dst_reloc);
2432			if (r) {
2433				DRM_ERROR("bad DMA_PACKET_COPY\n");
2434				return -EINVAL;
2435			}
2436			if (tiled) {
2437				idx_value = radeon_get_ib_value(p, idx + 2);
2438				/* detile bit */
2439				if (idx_value & (1 << 31)) {
2440					/* tiled src, linear dst */
2441					src_offset = radeon_get_ib_value(p, idx+1);
2442					src_offset <<= 8;
2443					ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);
2444
2445					dst_offset = radeon_get_ib_value(p, idx+5);
2446					dst_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
2447					ib[idx+5] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2448					ib[idx+6] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2449				} else {
2450					/* linear src, tiled dst */
2451					src_offset = radeon_get_ib_value(p, idx+5);
2452					src_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
2453					ib[idx+5] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
2454					ib[idx+6] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2455
2456					dst_offset = radeon_get_ib_value(p, idx+1);
2457					dst_offset <<= 8;
2458					ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
2459				}
2460				p->idx += 7;
2461			} else {
2462				if (p->family >= CHIP_RV770) {
2463					src_offset = radeon_get_ib_value(p, idx+2);
2464					src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2465					dst_offset = radeon_get_ib_value(p, idx+1);
2466					dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
2467
2468					ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2469					ib[idx+2] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
2470					ib[idx+3] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2471					ib[idx+4] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2472					p->idx += 5;
2473				} else {
2474					src_offset = radeon_get_ib_value(p, idx+2);
2475					src_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
2476					dst_offset = radeon_get_ib_value(p, idx+1);
2477					dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff0000)) << 16;
2478
2479					ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2480					ib[idx+2] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
2481					ib[idx+3] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2482					ib[idx+3] += (upper_32_bits(dst_reloc->gpu_offset) & 0xff) << 16;
2483					p->idx += 4;
2484				}
2485			}
2486			if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
2487				dev_warn(p->dev, "DMA copy src buffer too small (%llu %lu)\n",
2488					 src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
2489				return -EINVAL;
2490			}
2491			if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2492				dev_warn(p->dev, "DMA write dst buffer too small (%llu %lu)\n",
2493					 dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2494				return -EINVAL;
2495			}
2496			break;
2497		case DMA_PACKET_CONSTANT_FILL:
2498			if (p->family < CHIP_RV770) {
2499				DRM_ERROR("Constant Fill is 7xx only !\n");
2500				return -EINVAL;
2501			}
2502			r = r600_dma_cs_next_reloc(p, &dst_reloc);
2503			if (r) {
2504				DRM_ERROR("bad DMA_PACKET_WRITE\n");
2505				return -EINVAL;
2506			}
2507			dst_offset = radeon_get_ib_value(p, idx+1);
2508			dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0x00ff0000)) << 16;
2509			if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2510				dev_warn(p->dev, "DMA constant fill buffer too small (%llu %lu)\n",
2511					 dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2512				return -EINVAL;
2513			}
2514			ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2515			ib[idx+3] += (upper_32_bits(dst_reloc->gpu_offset) << 16) & 0x00ff0000;
2516			p->idx += 4;
2517			break;
2518		case DMA_PACKET_NOP:
2519			p->idx += 1;
2520			break;
2521		default:
2522			DRM_ERROR("Unknown packet type %d at %d !\n", cmd, idx);
2523			return -EINVAL;
2524		}
2525	} while (p->idx < p->chunk_ib->length_dw);
2526#if 0
2527	for (r = 0; r < p->ib->length_dw; r++) {
2528		pr_info("%05d  0x%08X\n", r, p->ib.ptr[r]);
2529		mdelay(1);
2530	}
2531#endif
2532	return 0;
2533}
2534