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);
42static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
43					struct radeon_cs_reloc **cs_reloc);
44typedef int (*next_reloc_t)(struct radeon_cs_parser*, struct radeon_cs_reloc**);
45static next_reloc_t r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_mm;
46
47
48struct r600_cs_track {
49	/* configuration we miror so that we use same code btw kms/ums */
50	u32			group_size;
51	u32			nbanks;
52	u32			npipes;
53	/* value we track */
54	u32			sq_config;
55	u32			log_nsamples;
56	u32			nsamples;
57	u32			cb_color_base_last[8];
58	struct radeon_bo	*cb_color_bo[8];
59	u64			cb_color_bo_mc[8];
60	u64			cb_color_bo_offset[8];
61	struct radeon_bo	*cb_color_frag_bo[8];
62	u64			cb_color_frag_offset[8];
63	struct radeon_bo	*cb_color_tile_bo[8];
64	u64			cb_color_tile_offset[8];
65	u32			cb_color_mask[8];
66	u32			cb_color_info[8];
67	u32			cb_color_view[8];
68	u32			cb_color_size_idx[8]; /* unused */
69	u32			cb_target_mask;
70	u32			cb_shader_mask;  /* unused */
71	bool			is_resolve;
72	u32			cb_color_size[8];
73	u32			vgt_strmout_en;
74	u32			vgt_strmout_buffer_en;
75	struct radeon_bo	*vgt_strmout_bo[4];
76	u64			vgt_strmout_bo_mc[4]; /* unused */
77	u32			vgt_strmout_bo_offset[4];
78	u32			vgt_strmout_size[4];
79	u32			db_depth_control;
80	u32			db_depth_info;
81	u32			db_depth_size_idx;
82	u32			db_depth_view;
83	u32			db_depth_size;
84	u32			db_offset;
85	struct radeon_bo	*db_bo;
86	u64			db_bo_mc;
87	bool			sx_misc_kill_all_prims;
88	bool			cb_dirty;
89	bool			db_dirty;
90	bool			streamout_dirty;
91	struct radeon_bo	*htile_bo;
92	u64			htile_offset;
93	u32			htile_surface;
94};
95
96#define FMT_8_BIT(fmt, vc)   [fmt] = { 1, 1, 1, vc, CHIP_R600 }
97#define FMT_16_BIT(fmt, vc)  [fmt] = { 1, 1, 2, vc, CHIP_R600 }
98#define FMT_24_BIT(fmt)      [fmt] = { 1, 1, 4,  0, CHIP_R600 }
99#define FMT_32_BIT(fmt, vc)  [fmt] = { 1, 1, 4, vc, CHIP_R600 }
100#define FMT_48_BIT(fmt)      [fmt] = { 1, 1, 8,  0, CHIP_R600 }
101#define FMT_64_BIT(fmt, vc)  [fmt] = { 1, 1, 8, vc, CHIP_R600 }
102#define FMT_96_BIT(fmt)      [fmt] = { 1, 1, 12, 0, CHIP_R600 }
103#define FMT_128_BIT(fmt, vc) [fmt] = { 1, 1, 16,vc, CHIP_R600 }
104
105struct gpu_formats {
106	unsigned blockwidth;
107	unsigned blockheight;
108	unsigned blocksize;
109	unsigned valid_color;
110	enum radeon_family min_family;
111};
112
113static const struct gpu_formats color_formats_table[] = {
114	/* 8 bit */
115	FMT_8_BIT(V_038004_COLOR_8, 1),
116	FMT_8_BIT(V_038004_COLOR_4_4, 1),
117	FMT_8_BIT(V_038004_COLOR_3_3_2, 1),
118	FMT_8_BIT(V_038004_FMT_1, 0),
119
120	/* 16-bit */
121	FMT_16_BIT(V_038004_COLOR_16, 1),
122	FMT_16_BIT(V_038004_COLOR_16_FLOAT, 1),
123	FMT_16_BIT(V_038004_COLOR_8_8, 1),
124	FMT_16_BIT(V_038004_COLOR_5_6_5, 1),
125	FMT_16_BIT(V_038004_COLOR_6_5_5, 1),
126	FMT_16_BIT(V_038004_COLOR_1_5_5_5, 1),
127	FMT_16_BIT(V_038004_COLOR_4_4_4_4, 1),
128	FMT_16_BIT(V_038004_COLOR_5_5_5_1, 1),
129
130	/* 24-bit */
131	FMT_24_BIT(V_038004_FMT_8_8_8),
132
133	/* 32-bit */
134	FMT_32_BIT(V_038004_COLOR_32, 1),
135	FMT_32_BIT(V_038004_COLOR_32_FLOAT, 1),
136	FMT_32_BIT(V_038004_COLOR_16_16, 1),
137	FMT_32_BIT(V_038004_COLOR_16_16_FLOAT, 1),
138	FMT_32_BIT(V_038004_COLOR_8_24, 1),
139	FMT_32_BIT(V_038004_COLOR_8_24_FLOAT, 1),
140	FMT_32_BIT(V_038004_COLOR_24_8, 1),
141	FMT_32_BIT(V_038004_COLOR_24_8_FLOAT, 1),
142	FMT_32_BIT(V_038004_COLOR_10_11_11, 1),
143	FMT_32_BIT(V_038004_COLOR_10_11_11_FLOAT, 1),
144	FMT_32_BIT(V_038004_COLOR_11_11_10, 1),
145	FMT_32_BIT(V_038004_COLOR_11_11_10_FLOAT, 1),
146	FMT_32_BIT(V_038004_COLOR_2_10_10_10, 1),
147	FMT_32_BIT(V_038004_COLOR_8_8_8_8, 1),
148	FMT_32_BIT(V_038004_COLOR_10_10_10_2, 1),
149	FMT_32_BIT(V_038004_FMT_5_9_9_9_SHAREDEXP, 0),
150	FMT_32_BIT(V_038004_FMT_32_AS_8, 0),
151	FMT_32_BIT(V_038004_FMT_32_AS_8_8, 0),
152
153	/* 48-bit */
154	FMT_48_BIT(V_038004_FMT_16_16_16),
155	FMT_48_BIT(V_038004_FMT_16_16_16_FLOAT),
156
157	/* 64-bit */
158	FMT_64_BIT(V_038004_COLOR_X24_8_32_FLOAT, 1),
159	FMT_64_BIT(V_038004_COLOR_32_32, 1),
160	FMT_64_BIT(V_038004_COLOR_32_32_FLOAT, 1),
161	FMT_64_BIT(V_038004_COLOR_16_16_16_16, 1),
162	FMT_64_BIT(V_038004_COLOR_16_16_16_16_FLOAT, 1),
163
164	FMT_96_BIT(V_038004_FMT_32_32_32),
165	FMT_96_BIT(V_038004_FMT_32_32_32_FLOAT),
166
167	/* 128-bit */
168	FMT_128_BIT(V_038004_COLOR_32_32_32_32, 1),
169	FMT_128_BIT(V_038004_COLOR_32_32_32_32_FLOAT, 1),
170
171	[V_038004_FMT_GB_GR] = { 2, 1, 4, 0 },
172	[V_038004_FMT_BG_RG] = { 2, 1, 4, 0 },
173
174	/* block compressed formats */
175	[V_038004_FMT_BC1] = { 4, 4, 8, 0 },
176	[V_038004_FMT_BC2] = { 4, 4, 16, 0 },
177	[V_038004_FMT_BC3] = { 4, 4, 16, 0 },
178	[V_038004_FMT_BC4] = { 4, 4, 8, 0 },
179	[V_038004_FMT_BC5] = { 4, 4, 16, 0},
180	[V_038004_FMT_BC6] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
181	[V_038004_FMT_BC7] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
182
183	/* The other Evergreen formats */
184	[V_038004_FMT_32_AS_32_32_32_32] = { 1, 1, 4, 0, CHIP_CEDAR},
185};
186
187bool r600_fmt_is_valid_color(u32 format)
188{
189	if (format >= DRM_ARRAY_SIZE(color_formats_table))
190		return false;
191
192	if (color_formats_table[format].valid_color)
193		return true;
194
195	return false;
196}
197
198bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family)
199{
200	if (format >= DRM_ARRAY_SIZE(color_formats_table))
201		return false;
202
203	if (family < color_formats_table[format].min_family)
204		return false;
205
206	if (color_formats_table[format].blockwidth > 0)
207		return true;
208
209	return false;
210}
211
212int r600_fmt_get_blocksize(u32 format)
213{
214	if (format >= DRM_ARRAY_SIZE(color_formats_table))
215		return 0;
216
217	return color_formats_table[format].blocksize;
218}
219
220int r600_fmt_get_nblocksx(u32 format, u32 w)
221{
222	unsigned bw;
223
224	if (format >= DRM_ARRAY_SIZE(color_formats_table))
225		return 0;
226
227	bw = color_formats_table[format].blockwidth;
228	if (bw == 0)
229		return 0;
230
231	return (w + bw - 1) / bw;
232}
233
234int r600_fmt_get_nblocksy(u32 format, u32 h)
235{
236	unsigned bh;
237
238	if (format >= DRM_ARRAY_SIZE(color_formats_table))
239		return 0;
240
241	bh = color_formats_table[format].blockheight;
242	if (bh == 0)
243		return 0;
244
245	return (h + bh - 1) / bh;
246}
247
248struct array_mode_checker {
249	int array_mode;
250	u32 group_size;
251	u32 nbanks;
252	u32 npipes;
253	u32 nsamples;
254	u32 blocksize;
255};
256
257/* returns alignment in pixels for pitch/height/depth and bytes for base */
258static int r600_get_array_mode_alignment(struct array_mode_checker *values,
259						u32 *pitch_align,
260						u32 *height_align,
261						u32 *depth_align,
262						u64 *base_align)
263{
264	u32 tile_width = 8;
265	u32 tile_height = 8;
266	u32 macro_tile_width = values->nbanks;
267	u32 macro_tile_height = values->npipes;
268	u32 tile_bytes = tile_width * tile_height * values->blocksize * values->nsamples;
269	u32 macro_tile_bytes = macro_tile_width * macro_tile_height * tile_bytes;
270
271	switch (values->array_mode) {
272	case ARRAY_LINEAR_GENERAL:
273		/* technically tile_width/_height for pitch/height */
274		*pitch_align = 1; /* tile_width */
275		*height_align = 1; /* tile_height */
276		*depth_align = 1;
277		*base_align = 1;
278		break;
279	case ARRAY_LINEAR_ALIGNED:
280		*pitch_align = max((u32)64, (u32)(values->group_size / values->blocksize));
281		*height_align = 1;
282		*depth_align = 1;
283		*base_align = values->group_size;
284		break;
285	case ARRAY_1D_TILED_THIN1:
286		*pitch_align = max((u32)tile_width,
287				   (u32)(values->group_size /
288					 (tile_height * values->blocksize * values->nsamples)));
289		*height_align = tile_height;
290		*depth_align = 1;
291		*base_align = values->group_size;
292		break;
293	case ARRAY_2D_TILED_THIN1:
294		*pitch_align = max((u32)macro_tile_width * tile_width,
295				(u32)((values->group_size * values->nbanks) /
296				(values->blocksize * values->nsamples * tile_width)));
297		*height_align = macro_tile_height * tile_height;
298		*depth_align = 1;
299		*base_align = max(macro_tile_bytes,
300				  (*pitch_align) * values->blocksize * (*height_align) * values->nsamples);
301		break;
302	default:
303		return -EINVAL;
304	}
305
306	return 0;
307}
308
309static void r600_cs_track_init(struct r600_cs_track *track)
310{
311	int i;
312
313	/* assume DX9 mode */
314	track->sq_config = DX9_CONSTS;
315	for (i = 0; i < 8; i++) {
316		track->cb_color_base_last[i] = 0;
317		track->cb_color_size[i] = 0;
318		track->cb_color_size_idx[i] = 0;
319		track->cb_color_info[i] = 0;
320		track->cb_color_view[i] = 0xFFFFFFFF;
321		track->cb_color_bo[i] = NULL;
322		track->cb_color_bo_offset[i] = 0xFFFFFFFF;
323		track->cb_color_bo_mc[i] = 0xFFFFFFFF;
324		track->cb_color_frag_bo[i] = NULL;
325		track->cb_color_frag_offset[i] = 0xFFFFFFFF;
326		track->cb_color_tile_bo[i] = NULL;
327		track->cb_color_tile_offset[i] = 0xFFFFFFFF;
328		track->cb_color_mask[i] = 0xFFFFFFFF;
329	}
330	track->is_resolve = false;
331	track->nsamples = 16;
332	track->log_nsamples = 4;
333	track->cb_target_mask = 0xFFFFFFFF;
334	track->cb_shader_mask = 0xFFFFFFFF;
335	track->cb_dirty = true;
336	track->db_bo = NULL;
337	track->db_bo_mc = 0xFFFFFFFF;
338	/* assume the biggest format and that htile is enabled */
339	track->db_depth_info = 7 | (1 << 25);
340	track->db_depth_view = 0xFFFFC000;
341	track->db_depth_size = 0xFFFFFFFF;
342	track->db_depth_size_idx = 0;
343	track->db_depth_control = 0xFFFFFFFF;
344	track->db_dirty = true;
345	track->htile_bo = NULL;
346	track->htile_offset = 0xFFFFFFFF;
347	track->htile_surface = 0;
348
349	for (i = 0; i < 4; i++) {
350		track->vgt_strmout_size[i] = 0;
351		track->vgt_strmout_bo[i] = NULL;
352		track->vgt_strmout_bo_offset[i] = 0xFFFFFFFF;
353		track->vgt_strmout_bo_mc[i] = 0xFFFFFFFF;
354	}
355	track->streamout_dirty = true;
356	track->sx_misc_kill_all_prims = false;
357}
358
359static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
360{
361	struct r600_cs_track *track = p->track;
362	u32 slice_tile_max, size, tmp;
363	u32 height, height_align, pitch, pitch_align, depth_align;
364	u64 base_offset, base_align;
365	struct array_mode_checker array_check;
366	volatile u32 *ib = p->ib.ptr;
367	unsigned array_mode;
368	u32 format;
369	/* When resolve is used, the second colorbuffer has always 1 sample. */
370	unsigned nsamples = track->is_resolve && i == 1 ? 1 : track->nsamples;
371
372	size = radeon_bo_size(track->cb_color_bo[i]) - track->cb_color_bo_offset[i];
373	format = G_0280A0_FORMAT(track->cb_color_info[i]);
374	if (!r600_fmt_is_valid_color(format)) {
375		dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n",
376			 __func__, __LINE__, format,
377			i, track->cb_color_info[i]);
378		return -EINVAL;
379	}
380	/* pitch in pixels */
381	pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) * 8;
382	slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1;
383	slice_tile_max *= 64;
384	height = slice_tile_max / pitch;
385	if (height > 8192)
386		height = 8192;
387	array_mode = G_0280A0_ARRAY_MODE(track->cb_color_info[i]);
388
389	base_offset = track->cb_color_bo_mc[i] + track->cb_color_bo_offset[i];
390	array_check.array_mode = array_mode;
391	array_check.group_size = track->group_size;
392	array_check.nbanks = track->nbanks;
393	array_check.npipes = track->npipes;
394	array_check.nsamples = nsamples;
395	array_check.blocksize = r600_fmt_get_blocksize(format);
396	if (r600_get_array_mode_alignment(&array_check,
397					  &pitch_align, &height_align, &depth_align, &base_align)) {
398		dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
399			 G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
400			 track->cb_color_info[i]);
401		return -EINVAL;
402	}
403	switch (array_mode) {
404	case V_0280A0_ARRAY_LINEAR_GENERAL:
405		break;
406	case V_0280A0_ARRAY_LINEAR_ALIGNED:
407		break;
408	case V_0280A0_ARRAY_1D_TILED_THIN1:
409		/* avoid breaking userspace */
410		if (height > 7)
411			height &= ~0x7;
412		break;
413	case V_0280A0_ARRAY_2D_TILED_THIN1:
414		break;
415	default:
416		dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
417			G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
418			track->cb_color_info[i]);
419		return -EINVAL;
420	}
421
422	if (!IS_ALIGNED(pitch, pitch_align)) {
423		dev_warn(p->dev, "%s:%d cb pitch (%d, 0x%x, %d) invalid\n",
424			 __func__, __LINE__, pitch, pitch_align, array_mode);
425		return -EINVAL;
426	}
427	if (!IS_ALIGNED(height, height_align)) {
428		dev_warn(p->dev, "%s:%d cb height (%d, 0x%x, %d) invalid\n",
429			 __func__, __LINE__, height, height_align, array_mode);
430		return -EINVAL;
431	}
432	if (!IS_ALIGNED(base_offset, base_align)) {
433		dev_warn(p->dev, "%s offset[%d] 0x%jx 0x%jx, %d not aligned\n", __func__, i,
434			 (uintmax_t)base_offset, (uintmax_t)base_align, array_mode);
435		return -EINVAL;
436	}
437
438	/* check offset */
439	tmp = r600_fmt_get_nblocksy(format, height) * r600_fmt_get_nblocksx(format, pitch) *
440	      r600_fmt_get_blocksize(format) * nsamples;
441	switch (array_mode) {
442	default:
443	case V_0280A0_ARRAY_LINEAR_GENERAL:
444	case V_0280A0_ARRAY_LINEAR_ALIGNED:
445		tmp += track->cb_color_view[i] & 0xFF;
446		break;
447	case V_0280A0_ARRAY_1D_TILED_THIN1:
448	case V_0280A0_ARRAY_2D_TILED_THIN1:
449		tmp += G_028080_SLICE_MAX(track->cb_color_view[i]) * tmp;
450		break;
451	}
452	if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) {
453		if (array_mode == V_0280A0_ARRAY_LINEAR_GENERAL) {
454			/* the initial DDX does bad things with the CB size occasionally */
455			/* it rounds up height too far for slice tile max but the BO is smaller */
456			/* r600c,g also seem to flush at bad times in some apps resulting in
457			 * bogus values here. So for linear just allow anything to avoid breaking
458			 * broken userspace.
459			 */
460		} else {
461			dev_warn(p->dev, "%s offset[%d] %d %ju %d %lu too big (%d %d) (%d %d %d)\n",
462				 __func__, i, array_mode,
463				 (uintmax_t)track->cb_color_bo_offset[i], tmp,
464				 radeon_bo_size(track->cb_color_bo[i]),
465				 pitch, height, r600_fmt_get_nblocksx(format, pitch),
466				 r600_fmt_get_nblocksy(format, height),
467				 r600_fmt_get_blocksize(format));
468			return -EINVAL;
469		}
470	}
471	/* limit max tile */
472	tmp = (height * pitch) >> 6;
473	if (tmp < slice_tile_max)
474		slice_tile_max = tmp;
475	tmp = S_028060_PITCH_TILE_MAX((pitch / 8) - 1) |
476		S_028060_SLICE_TILE_MAX(slice_tile_max - 1);
477	ib[track->cb_color_size_idx[i]] = tmp;
478
479	/* FMASK/CMASK */
480	switch (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
481	case V_0280A0_TILE_DISABLE:
482		break;
483	case V_0280A0_FRAG_ENABLE:
484		if (track->nsamples > 1) {
485			uint32_t tile_max = G_028100_FMASK_TILE_MAX(track->cb_color_mask[i]);
486			/* the tile size is 8x8, but the size is in units of bits.
487			 * for bytes, do just * 8. */
488			uint32_t bytes = track->nsamples * track->log_nsamples * 8 * (tile_max + 1);
489
490			if (bytes + track->cb_color_frag_offset[i] >
491			    radeon_bo_size(track->cb_color_frag_bo[i])) {
492				dev_warn(p->dev, "%s FMASK_TILE_MAX too large "
493					 "(tile_max=%u, bytes=%u, offset=%ju, bo_size=%lu)\n",
494					 __func__, tile_max, bytes,
495					 (uintmax_t)track->cb_color_frag_offset[i],
496					 radeon_bo_size(track->cb_color_frag_bo[i]));
497				return -EINVAL;
498			}
499		}
500		/* fall through */
501	case V_0280A0_CLEAR_ENABLE:
502	{
503		uint32_t block_max = G_028100_CMASK_BLOCK_MAX(track->cb_color_mask[i]);
504		/* One block = 128x128 pixels, one 8x8 tile has 4 bits..
505		 * (128*128) / (8*8) / 2 = 128 bytes per block. */
506		uint32_t bytes = (block_max + 1) * 128;
507
508		if (bytes + track->cb_color_tile_offset[i] >
509		    radeon_bo_size(track->cb_color_tile_bo[i])) {
510			dev_warn(p->dev, "%s CMASK_BLOCK_MAX too large "
511				 "(block_max=%u, bytes=%u, offset=%ju, bo_size=%lu)\n",
512				 __func__, block_max, bytes,
513				 (uintmax_t)track->cb_color_tile_offset[i],
514				 radeon_bo_size(track->cb_color_tile_bo[i]));
515			return -EINVAL;
516		}
517		break;
518	}
519	default:
520		dev_warn(p->dev, "%s invalid tile mode\n", __func__);
521		return -EINVAL;
522	}
523	return 0;
524}
525
526static int r600_cs_track_validate_db(struct radeon_cs_parser *p)
527{
528	struct r600_cs_track *track = p->track;
529	u32 nviews, bpe, ntiles, size, slice_tile_max, tmp;
530	u32 height_align, pitch_align, depth_align;
531	u32 pitch = 8192;
532	u32 height = 8192;
533	u64 base_offset, base_align;
534	struct array_mode_checker array_check;
535	int array_mode;
536	volatile u32 *ib = p->ib.ptr;
537
538
539	if (track->db_bo == NULL) {
540		dev_warn(p->dev, "z/stencil with no depth buffer\n");
541		return -EINVAL;
542	}
543	switch (G_028010_FORMAT(track->db_depth_info)) {
544	case V_028010_DEPTH_16:
545		bpe = 2;
546		break;
547	case V_028010_DEPTH_X8_24:
548	case V_028010_DEPTH_8_24:
549	case V_028010_DEPTH_X8_24_FLOAT:
550	case V_028010_DEPTH_8_24_FLOAT:
551	case V_028010_DEPTH_32_FLOAT:
552		bpe = 4;
553		break;
554	case V_028010_DEPTH_X24_8_32_FLOAT:
555		bpe = 8;
556		break;
557	default:
558		dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info));
559		return -EINVAL;
560	}
561	if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
562		if (!track->db_depth_size_idx) {
563			dev_warn(p->dev, "z/stencil buffer size not set\n");
564			return -EINVAL;
565		}
566		tmp = radeon_bo_size(track->db_bo) - track->db_offset;
567		tmp = (tmp / bpe) >> 6;
568		if (!tmp) {
569			dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n",
570					track->db_depth_size, bpe, track->db_offset,
571					radeon_bo_size(track->db_bo));
572			return -EINVAL;
573		}
574		ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF);
575	} else {
576		size = radeon_bo_size(track->db_bo);
577		/* pitch in pixels */
578		pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8;
579		slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
580		slice_tile_max *= 64;
581		height = slice_tile_max / pitch;
582		if (height > 8192)
583			height = 8192;
584		base_offset = track->db_bo_mc + track->db_offset;
585		array_mode = G_028010_ARRAY_MODE(track->db_depth_info);
586		array_check.array_mode = array_mode;
587		array_check.group_size = track->group_size;
588		array_check.nbanks = track->nbanks;
589		array_check.npipes = track->npipes;
590		array_check.nsamples = track->nsamples;
591		array_check.blocksize = bpe;
592		if (r600_get_array_mode_alignment(&array_check,
593					&pitch_align, &height_align, &depth_align, &base_align)) {
594			dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
595					G_028010_ARRAY_MODE(track->db_depth_info),
596					track->db_depth_info);
597			return -EINVAL;
598		}
599		switch (array_mode) {
600		case V_028010_ARRAY_1D_TILED_THIN1:
601			/* don't break userspace */
602			height &= ~0x7;
603			break;
604		case V_028010_ARRAY_2D_TILED_THIN1:
605			break;
606		default:
607			dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
608					G_028010_ARRAY_MODE(track->db_depth_info),
609					track->db_depth_info);
610			return -EINVAL;
611		}
612
613		if (!IS_ALIGNED(pitch, pitch_align)) {
614			dev_warn(p->dev, "%s:%d db pitch (%d, 0x%x, %d) invalid\n",
615					__func__, __LINE__, pitch, pitch_align, array_mode);
616			return -EINVAL;
617		}
618		if (!IS_ALIGNED(height, height_align)) {
619			dev_warn(p->dev, "%s:%d db height (%d, 0x%x, %d) invalid\n",
620					__func__, __LINE__, height, height_align, array_mode);
621			return -EINVAL;
622		}
623		if (!IS_ALIGNED(base_offset, base_align)) {
624			dev_warn(p->dev, "%s offset 0x%jx, 0x%jx, %d not aligned\n", __func__,
625					(uintmax_t)base_offset, (uintmax_t)base_align, array_mode);
626			return -EINVAL;
627		}
628
629		ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
630		nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1;
631		tmp = ntiles * bpe * 64 * nviews * track->nsamples;
632		if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) {
633			dev_warn(p->dev, "z/stencil buffer (%d) too small (0x%08X %d %d %d -> %u have %lu)\n",
634					array_mode,
635					track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
636					radeon_bo_size(track->db_bo));
637			return -EINVAL;
638		}
639	}
640
641	/* hyperz */
642	if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) {
643		unsigned long size;
644		unsigned nbx, nby;
645
646		if (track->htile_bo == NULL) {
647			dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n",
648				 __func__, __LINE__, track->db_depth_info);
649			return -EINVAL;
650		}
651		if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
652			dev_warn(p->dev, "%s:%d htile can't be enabled with bogus db_depth_size 0x%08x\n",
653				 __func__, __LINE__, track->db_depth_size);
654			return -EINVAL;
655		}
656
657		nbx = pitch;
658		nby = height;
659		if (G_028D24_LINEAR(track->htile_surface)) {
660			/* nbx must be 16 htiles aligned == 16 * 8 pixel aligned */
661			nbx = roundup2(nbx, 16 * 8);
662			/* nby is npipes htiles aligned == npipes * 8 pixel aligned */
663			nby = roundup(nby, track->npipes * 8);
664		} else {
665			/* always assume 8x8 htile */
666			/* align is htile align * 8, htile align vary according to
667			 * number of pipe and tile width and nby
668			 */
669			switch (track->npipes) {
670			case 8:
671				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
672				nbx = roundup2(nbx, 64 * 8);
673				nby = roundup2(nby, 64 * 8);
674				break;
675			case 4:
676				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
677				nbx = roundup2(nbx, 64 * 8);
678				nby = roundup2(nby, 32 * 8);
679				break;
680			case 2:
681				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
682				nbx = roundup2(nbx, 32 * 8);
683				nby = roundup2(nby, 32 * 8);
684				break;
685			case 1:
686				/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
687				nbx = roundup2(nbx, 32 * 8);
688				nby = roundup2(nby, 16 * 8);
689				break;
690			default:
691				dev_warn(p->dev, "%s:%d invalid num pipes %d\n",
692					 __func__, __LINE__, track->npipes);
693				return -EINVAL;
694			}
695		}
696		/* compute number of htile */
697		nbx = nbx >> 3;
698		nby = nby >> 3;
699		/* size must be aligned on npipes * 2K boundary */
700		size = roundup(nbx * nby * 4, track->npipes * (2 << 10));
701		size += track->htile_offset;
702
703		if (size > radeon_bo_size(track->htile_bo)) {
704			dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n",
705				 __func__, __LINE__, radeon_bo_size(track->htile_bo),
706				 size, nbx, nby);
707			return -EINVAL;
708		}
709	}
710
711	track->db_dirty = false;
712	return 0;
713}
714
715static int r600_cs_track_check(struct radeon_cs_parser *p)
716{
717	struct r600_cs_track *track = p->track;
718	u32 tmp;
719	int r, i;
720
721	/* on legacy kernel we don't perform advanced check */
722	if (p->rdev == NULL)
723		return 0;
724
725	/* check streamout */
726	if (track->streamout_dirty && track->vgt_strmout_en) {
727		for (i = 0; i < 4; i++) {
728			if (track->vgt_strmout_buffer_en & (1 << i)) {
729				if (track->vgt_strmout_bo[i]) {
730					u64 offset = (u64)track->vgt_strmout_bo_offset[i] +
731						(u64)track->vgt_strmout_size[i];
732					if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) {
733						DRM_ERROR("streamout %d bo too small: 0x%jx, 0x%lx\n",
734							  i, (uintmax_t)offset,
735							  radeon_bo_size(track->vgt_strmout_bo[i]));
736						return -EINVAL;
737					}
738				} else {
739					dev_warn(p->dev, "No buffer for streamout %d\n", i);
740					return -EINVAL;
741				}
742			}
743		}
744		track->streamout_dirty = false;
745	}
746
747	if (track->sx_misc_kill_all_prims)
748		return 0;
749
750	/* check that we have a cb for each enabled target, we don't check
751	 * shader_mask because it seems mesa isn't always setting it :(
752	 */
753	if (track->cb_dirty) {
754		tmp = track->cb_target_mask;
755
756		/* We must check both colorbuffers for RESOLVE. */
757		if (track->is_resolve) {
758			tmp |= 0xff;
759		}
760
761		for (i = 0; i < 8; i++) {
762			if ((tmp >> (i * 4)) & 0xF) {
763				/* at least one component is enabled */
764				if (track->cb_color_bo[i] == NULL) {
765					dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
766						__func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
767					return -EINVAL;
768				}
769				/* perform rewrite of CB_COLOR[0-7]_SIZE */
770				r = r600_cs_track_validate_cb(p, i);
771				if (r)
772					return r;
773			}
774		}
775		track->cb_dirty = false;
776	}
777
778	/* Check depth buffer */
779	if (track->db_dirty &&
780	    G_028010_FORMAT(track->db_depth_info) != V_028010_DEPTH_INVALID &&
781	    (G_028800_STENCIL_ENABLE(track->db_depth_control) ||
782	     G_028800_Z_ENABLE(track->db_depth_control))) {
783		r = r600_cs_track_validate_db(p);
784		if (r)
785			return r;
786	}
787
788	return 0;
789}
790
791/**
792 * r600_cs_packet_parse() - parse cp packet and point ib index to next packet
793 * @parser:	parser structure holding parsing context.
794 * @pkt:	where to store packet informations
795 *
796 * Assume that chunk_ib_index is properly set. Will return -EINVAL
797 * if packet is bigger than remaining ib size. or if packets is unknown.
798 **/
799static int r600_cs_packet_parse(struct radeon_cs_parser *p,
800			struct radeon_cs_packet *pkt,
801			unsigned idx)
802{
803	struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
804	uint32_t header;
805
806	if (idx >= ib_chunk->length_dw) {
807		DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
808			  idx, ib_chunk->length_dw);
809		return -EINVAL;
810	}
811	header = radeon_get_ib_value(p, idx);
812	pkt->idx = idx;
813	pkt->type = CP_PACKET_GET_TYPE(header);
814	pkt->count = CP_PACKET_GET_COUNT(header);
815	pkt->one_reg_wr = 0;
816	switch (pkt->type) {
817	case PACKET_TYPE0:
818		pkt->reg = CP_PACKET0_GET_REG(header);
819		break;
820	case PACKET_TYPE3:
821		pkt->opcode = CP_PACKET3_GET_OPCODE(header);
822		break;
823	case PACKET_TYPE2:
824		pkt->count = -1;
825		break;
826	default:
827		DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
828		return -EINVAL;
829	}
830	if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
831		DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
832			  pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
833		return -EINVAL;
834	}
835	return 0;
836}
837
838/**
839 * r600_cs_packet_next_reloc_mm() - parse next packet which should be reloc packet3
840 * @parser:		parser structure holding parsing context.
841 * @data:		pointer to relocation data
842 * @offset_start:	starting offset
843 * @offset_mask:	offset mask (to align start offset on)
844 * @reloc:		reloc informations
845 *
846 * Check next packet is relocation packet3, do bo validation and compute
847 * GPU offset using the provided start.
848 **/
849static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p,
850					struct radeon_cs_reloc **cs_reloc)
851{
852	struct radeon_cs_chunk *relocs_chunk;
853	struct radeon_cs_packet p3reloc;
854	unsigned idx;
855	int r;
856
857	if (p->chunk_relocs_idx == -1) {
858		DRM_ERROR("No relocation chunk !\n");
859		return -EINVAL;
860	}
861	*cs_reloc = NULL;
862	relocs_chunk = &p->chunks[p->chunk_relocs_idx];
863	r = r600_cs_packet_parse(p, &p3reloc, p->idx);
864	if (r) {
865		return r;
866	}
867	p->idx += p3reloc.count + 2;
868	if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
869		DRM_ERROR("No packet3 for relocation for packet at %d.\n",
870			  p3reloc.idx);
871		return -EINVAL;
872	}
873	idx = radeon_get_ib_value(p, p3reloc.idx + 1);
874	if (idx >= relocs_chunk->length_dw) {
875		DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
876			  idx, relocs_chunk->length_dw);
877		return -EINVAL;
878	}
879	/* FIXME: we assume reloc size is 4 dwords */
880	*cs_reloc = p->relocs_ptr[(idx / 4)];
881	return 0;
882}
883
884/**
885 * r600_cs_packet_next_reloc_nomm() - parse next packet which should be reloc packet3
886 * @parser:		parser structure holding parsing context.
887 * @data:		pointer to relocation data
888 * @offset_start:	starting offset
889 * @offset_mask:	offset mask (to align start offset on)
890 * @reloc:		reloc informations
891 *
892 * Check next packet is relocation packet3, do bo validation and compute
893 * GPU offset using the provided start.
894 **/
895static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
896					struct radeon_cs_reloc **cs_reloc)
897{
898	struct radeon_cs_chunk *relocs_chunk;
899	struct radeon_cs_packet p3reloc;
900	unsigned idx;
901	int r;
902
903	if (p->chunk_relocs_idx == -1) {
904		DRM_ERROR("No relocation chunk !\n");
905		return -EINVAL;
906	}
907	*cs_reloc = NULL;
908	relocs_chunk = &p->chunks[p->chunk_relocs_idx];
909	r = r600_cs_packet_parse(p, &p3reloc, p->idx);
910	if (r) {
911		return r;
912	}
913	p->idx += p3reloc.count + 2;
914	if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
915		DRM_ERROR("No packet3 for relocation for packet at %d.\n",
916			  p3reloc.idx);
917		return -EINVAL;
918	}
919	idx = radeon_get_ib_value(p, p3reloc.idx + 1);
920	if (idx >= relocs_chunk->length_dw) {
921		DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
922			  idx, relocs_chunk->length_dw);
923		return -EINVAL;
924	}
925	*cs_reloc = p->relocs;
926	(*cs_reloc)->lobj.gpu_offset = (u64)relocs_chunk->kdata[idx + 3] << 32;
927	(*cs_reloc)->lobj.gpu_offset |= relocs_chunk->kdata[idx + 0];
928	return 0;
929}
930
931/**
932 * r600_cs_packet_next_is_pkt3_nop() - test if next packet is packet3 nop for reloc
933 * @parser:		parser structure holding parsing context.
934 *
935 * Check next packet is relocation packet3, do bo validation and compute
936 * GPU offset using the provided start.
937 **/
938static int r600_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p)
939{
940	struct radeon_cs_packet p3reloc;
941	int r;
942
943	r = r600_cs_packet_parse(p, &p3reloc, p->idx);
944	if (r) {
945		return 0;
946	}
947	if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
948		return 0;
949	}
950	return 1;
951}
952
953/**
954 * r600_cs_packet_next_vline() - parse userspace VLINE packet
955 * @parser:		parser structure holding parsing context.
956 *
957 * Userspace sends a special sequence for VLINE waits.
958 * PACKET0 - VLINE_START_END + value
959 * PACKET3 - WAIT_REG_MEM poll vline status reg
960 * RELOC (P3) - crtc_id in reloc.
961 *
962 * This function parses this and relocates the VLINE START END
963 * and WAIT_REG_MEM packets to the correct crtc.
964 * It also detects a switched off crtc and nulls out the
965 * wait in that case.
966 */
967static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p)
968{
969	struct drm_mode_object *obj;
970	struct drm_crtc *crtc;
971	struct radeon_crtc *radeon_crtc;
972	struct radeon_cs_packet p3reloc, wait_reg_mem;
973	int crtc_id;
974	int r;
975	uint32_t header, h_idx, reg, wait_reg_mem_info;
976	volatile uint32_t *ib;
977
978	ib = p->ib.ptr;
979
980	/* parse the WAIT_REG_MEM */
981	r = r600_cs_packet_parse(p, &wait_reg_mem, p->idx);
982	if (r)
983		return r;
984
985	/* check its a WAIT_REG_MEM */
986	if (wait_reg_mem.type != PACKET_TYPE3 ||
987	    wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) {
988		DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n");
989		return -EINVAL;
990	}
991
992	wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1);
993	/* bit 4 is reg (0) or mem (1) */
994	if (wait_reg_mem_info & 0x10) {
995		DRM_ERROR("vline WAIT_REG_MEM waiting on MEM rather than REG\n");
996		return -EINVAL;
997	}
998	/* waiting for value to be equal */
999	if ((wait_reg_mem_info & 0x7) != 0x3) {
1000		DRM_ERROR("vline WAIT_REG_MEM function not equal\n");
1001		return -EINVAL;
1002	}
1003	if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != AVIVO_D1MODE_VLINE_STATUS) {
1004		DRM_ERROR("vline WAIT_REG_MEM bad reg\n");
1005		return -EINVAL;
1006	}
1007
1008	if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != AVIVO_D1MODE_VLINE_STAT) {
1009		DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n");
1010		return -EINVAL;
1011	}
1012
1013	/* jump over the NOP */
1014	r = r600_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2);
1015	if (r)
1016		return r;
1017
1018	h_idx = p->idx - 2;
1019	p->idx += wait_reg_mem.count + 2;
1020	p->idx += p3reloc.count + 2;
1021
1022	header = radeon_get_ib_value(p, h_idx);
1023	crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1);
1024	reg = CP_PACKET0_GET_REG(header);
1025
1026	obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
1027	if (!obj) {
1028		DRM_ERROR("cannot find crtc %d\n", crtc_id);
1029		return -EINVAL;
1030	}
1031	crtc = obj_to_crtc(obj);
1032	radeon_crtc = to_radeon_crtc(crtc);
1033	crtc_id = radeon_crtc->crtc_id;
1034
1035	if (!crtc->enabled) {
1036		/* if the CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */
1037		ib[h_idx + 2] = PACKET2(0);
1038		ib[h_idx + 3] = PACKET2(0);
1039		ib[h_idx + 4] = PACKET2(0);
1040		ib[h_idx + 5] = PACKET2(0);
1041		ib[h_idx + 6] = PACKET2(0);
1042		ib[h_idx + 7] = PACKET2(0);
1043		ib[h_idx + 8] = PACKET2(0);
1044	} else if (crtc_id == 1) {
1045		switch (reg) {
1046		case AVIVO_D1MODE_VLINE_START_END:
1047			header &= ~R600_CP_PACKET0_REG_MASK;
1048			header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1049			break;
1050		default:
1051			DRM_ERROR("unknown crtc reloc\n");
1052			return -EINVAL;
1053		}
1054		ib[h_idx] = header;
1055		ib[h_idx + 4] = AVIVO_D2MODE_VLINE_STATUS >> 2;
1056	}
1057
1058	return 0;
1059}
1060
1061static int r600_packet0_check(struct radeon_cs_parser *p,
1062				struct radeon_cs_packet *pkt,
1063				unsigned idx, unsigned reg)
1064{
1065	int r;
1066
1067	switch (reg) {
1068	case AVIVO_D1MODE_VLINE_START_END:
1069		r = r600_cs_packet_parse_vline(p);
1070		if (r) {
1071			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1072					idx, reg);
1073			return r;
1074		}
1075		break;
1076	default:
1077		DRM_ERROR("Forbidden register 0x%04X in cs at %d\n",
1078		       reg, idx);
1079		return -EINVAL;
1080	}
1081	return 0;
1082}
1083
1084static int r600_cs_parse_packet0(struct radeon_cs_parser *p,
1085				struct radeon_cs_packet *pkt)
1086{
1087	unsigned reg, i;
1088	unsigned idx;
1089	int r;
1090
1091	idx = pkt->idx + 1;
1092	reg = pkt->reg;
1093	for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
1094		r = r600_packet0_check(p, pkt, idx, reg);
1095		if (r) {
1096			return r;
1097		}
1098	}
1099	return 0;
1100}
1101
1102/**
1103 * r600_cs_check_reg() - check if register is authorized or not
1104 * @parser: parser structure holding parsing context
1105 * @reg: register we are testing
1106 * @idx: index into the cs buffer
1107 *
1108 * This function will test against r600_reg_safe_bm and return 0
1109 * if register is safe. If register is not flag as safe this function
1110 * will test it against a list of register needind special handling.
1111 */
1112static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1113{
1114	struct r600_cs_track *track = (struct r600_cs_track *)p->track;
1115	struct radeon_cs_reloc *reloc;
1116	u32 m, i, tmp, *ib;
1117	int r;
1118
1119	i = (reg >> 7);
1120	if (i >= DRM_ARRAY_SIZE(r600_reg_safe_bm)) {
1121		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1122		return -EINVAL;
1123	}
1124	m = 1 << ((reg >> 2) & 31);
1125	if (!(r600_reg_safe_bm[i] & m))
1126		return 0;
1127	ib = p->ib.ptr;
1128	switch (reg) {
1129	/* force following reg to 0 in an attempt to disable out buffer
1130	 * which will need us to better understand how it works to perform
1131	 * security check on it (Jerome)
1132	 */
1133	case R_0288A8_SQ_ESGS_RING_ITEMSIZE:
1134	case R_008C44_SQ_ESGS_RING_SIZE:
1135	case R_0288B0_SQ_ESTMP_RING_ITEMSIZE:
1136	case R_008C54_SQ_ESTMP_RING_SIZE:
1137	case R_0288C0_SQ_FBUF_RING_ITEMSIZE:
1138	case R_008C74_SQ_FBUF_RING_SIZE:
1139	case R_0288B4_SQ_GSTMP_RING_ITEMSIZE:
1140	case R_008C5C_SQ_GSTMP_RING_SIZE:
1141	case R_0288AC_SQ_GSVS_RING_ITEMSIZE:
1142	case R_008C4C_SQ_GSVS_RING_SIZE:
1143	case R_0288BC_SQ_PSTMP_RING_ITEMSIZE:
1144	case R_008C6C_SQ_PSTMP_RING_SIZE:
1145	case R_0288C4_SQ_REDUC_RING_ITEMSIZE:
1146	case R_008C7C_SQ_REDUC_RING_SIZE:
1147	case R_0288B8_SQ_VSTMP_RING_ITEMSIZE:
1148	case R_008C64_SQ_VSTMP_RING_SIZE:
1149	case R_0288C8_SQ_GS_VERT_ITEMSIZE:
1150		/* get value to populate the IB don't remove */
1151		tmp =radeon_get_ib_value(p, idx);
1152		ib[idx] = 0;
1153		break;
1154	case SQ_CONFIG:
1155		track->sq_config = radeon_get_ib_value(p, idx);
1156		break;
1157	case R_028800_DB_DEPTH_CONTROL:
1158		track->db_depth_control = radeon_get_ib_value(p, idx);
1159		track->db_dirty = true;
1160		break;
1161	case R_028010_DB_DEPTH_INFO:
1162		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
1163		    r600_cs_packet_next_is_pkt3_nop(p)) {
1164			r = r600_cs_packet_next_reloc(p, &reloc);
1165			if (r) {
1166				dev_warn(p->dev, "bad SET_CONTEXT_REG "
1167					 "0x%04X\n", reg);
1168				return -EINVAL;
1169			}
1170			track->db_depth_info = radeon_get_ib_value(p, idx);
1171			ib[idx] &= C_028010_ARRAY_MODE;
1172			track->db_depth_info &= C_028010_ARRAY_MODE;
1173			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
1174				ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
1175				track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
1176			} else {
1177				ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
1178				track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
1179			}
1180		} else {
1181			track->db_depth_info = radeon_get_ib_value(p, idx);
1182		}
1183		track->db_dirty = true;
1184		break;
1185	case R_028004_DB_DEPTH_VIEW:
1186		track->db_depth_view = radeon_get_ib_value(p, idx);
1187		track->db_dirty = true;
1188		break;
1189	case R_028000_DB_DEPTH_SIZE:
1190		track->db_depth_size = radeon_get_ib_value(p, idx);
1191		track->db_depth_size_idx = idx;
1192		track->db_dirty = true;
1193		break;
1194	case R_028AB0_VGT_STRMOUT_EN:
1195		track->vgt_strmout_en = radeon_get_ib_value(p, idx);
1196		track->streamout_dirty = true;
1197		break;
1198	case R_028B20_VGT_STRMOUT_BUFFER_EN:
1199		track->vgt_strmout_buffer_en = radeon_get_ib_value(p, idx);
1200		track->streamout_dirty = true;
1201		break;
1202	case VGT_STRMOUT_BUFFER_BASE_0:
1203	case VGT_STRMOUT_BUFFER_BASE_1:
1204	case VGT_STRMOUT_BUFFER_BASE_2:
1205	case VGT_STRMOUT_BUFFER_BASE_3:
1206		r = r600_cs_packet_next_reloc(p, &reloc);
1207		if (r) {
1208			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1209					"0x%04X\n", reg);
1210			return -EINVAL;
1211		}
1212		tmp = (reg - VGT_STRMOUT_BUFFER_BASE_0) / 16;
1213		track->vgt_strmout_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1214		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1215		track->vgt_strmout_bo[tmp] = reloc->robj;
1216		track->vgt_strmout_bo_mc[tmp] = reloc->lobj.gpu_offset;
1217		track->streamout_dirty = true;
1218		break;
1219	case VGT_STRMOUT_BUFFER_SIZE_0:
1220	case VGT_STRMOUT_BUFFER_SIZE_1:
1221	case VGT_STRMOUT_BUFFER_SIZE_2:
1222	case VGT_STRMOUT_BUFFER_SIZE_3:
1223		tmp = (reg - VGT_STRMOUT_BUFFER_SIZE_0) / 16;
1224		/* size in register is DWs, convert to bytes */
1225		track->vgt_strmout_size[tmp] = radeon_get_ib_value(p, idx) * 4;
1226		track->streamout_dirty = true;
1227		break;
1228	case CP_COHER_BASE:
1229		r = r600_cs_packet_next_reloc(p, &reloc);
1230		if (r) {
1231			dev_warn(p->dev, "missing reloc for CP_COHER_BASE "
1232					"0x%04X\n", reg);
1233			return -EINVAL;
1234		}
1235		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1236		break;
1237	case R_028238_CB_TARGET_MASK:
1238		track->cb_target_mask = radeon_get_ib_value(p, idx);
1239		track->cb_dirty = true;
1240		break;
1241	case R_02823C_CB_SHADER_MASK:
1242		track->cb_shader_mask = radeon_get_ib_value(p, idx);
1243		break;
1244	case R_028C04_PA_SC_AA_CONFIG:
1245		tmp = G_028C04_MSAA_NUM_SAMPLES(radeon_get_ib_value(p, idx));
1246		track->log_nsamples = tmp;
1247		track->nsamples = 1 << tmp;
1248		track->cb_dirty = true;
1249		break;
1250	case R_028808_CB_COLOR_CONTROL:
1251		tmp = G_028808_SPECIAL_OP(radeon_get_ib_value(p, idx));
1252		track->is_resolve = tmp == V_028808_SPECIAL_RESOLVE_BOX;
1253		track->cb_dirty = true;
1254		break;
1255	case R_0280A0_CB_COLOR0_INFO:
1256	case R_0280A4_CB_COLOR1_INFO:
1257	case R_0280A8_CB_COLOR2_INFO:
1258	case R_0280AC_CB_COLOR3_INFO:
1259	case R_0280B0_CB_COLOR4_INFO:
1260	case R_0280B4_CB_COLOR5_INFO:
1261	case R_0280B8_CB_COLOR6_INFO:
1262	case R_0280BC_CB_COLOR7_INFO:
1263		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
1264		     r600_cs_packet_next_is_pkt3_nop(p)) {
1265			r = r600_cs_packet_next_reloc(p, &reloc);
1266			if (r) {
1267				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1268				return -EINVAL;
1269			}
1270			tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1271			track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1272			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
1273				ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1274				track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1275			} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
1276				ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1277				track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1278			}
1279		} else {
1280			tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1281			track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1282		}
1283		track->cb_dirty = true;
1284		break;
1285	case R_028080_CB_COLOR0_VIEW:
1286	case R_028084_CB_COLOR1_VIEW:
1287	case R_028088_CB_COLOR2_VIEW:
1288	case R_02808C_CB_COLOR3_VIEW:
1289	case R_028090_CB_COLOR4_VIEW:
1290	case R_028094_CB_COLOR5_VIEW:
1291	case R_028098_CB_COLOR6_VIEW:
1292	case R_02809C_CB_COLOR7_VIEW:
1293		tmp = (reg - R_028080_CB_COLOR0_VIEW) / 4;
1294		track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
1295		track->cb_dirty = true;
1296		break;
1297	case R_028060_CB_COLOR0_SIZE:
1298	case R_028064_CB_COLOR1_SIZE:
1299	case R_028068_CB_COLOR2_SIZE:
1300	case R_02806C_CB_COLOR3_SIZE:
1301	case R_028070_CB_COLOR4_SIZE:
1302	case R_028074_CB_COLOR5_SIZE:
1303	case R_028078_CB_COLOR6_SIZE:
1304	case R_02807C_CB_COLOR7_SIZE:
1305		tmp = (reg - R_028060_CB_COLOR0_SIZE) / 4;
1306		track->cb_color_size[tmp] = radeon_get_ib_value(p, idx);
1307		track->cb_color_size_idx[tmp] = idx;
1308		track->cb_dirty = true;
1309		break;
1310		/* This register were added late, there is userspace
1311		 * which does provide relocation for those but set
1312		 * 0 offset. In order to avoid breaking old userspace
1313		 * we detect this and set address to point to last
1314		 * CB_COLOR0_BASE, note that if userspace doesn't set
1315		 * CB_COLOR0_BASE before this register we will report
1316		 * error. Old userspace always set CB_COLOR0_BASE
1317		 * before any of this.
1318		 */
1319	case R_0280E0_CB_COLOR0_FRAG:
1320	case R_0280E4_CB_COLOR1_FRAG:
1321	case R_0280E8_CB_COLOR2_FRAG:
1322	case R_0280EC_CB_COLOR3_FRAG:
1323	case R_0280F0_CB_COLOR4_FRAG:
1324	case R_0280F4_CB_COLOR5_FRAG:
1325	case R_0280F8_CB_COLOR6_FRAG:
1326	case R_0280FC_CB_COLOR7_FRAG:
1327		tmp = (reg - R_0280E0_CB_COLOR0_FRAG) / 4;
1328		if (!r600_cs_packet_next_is_pkt3_nop(p)) {
1329			if (!track->cb_color_base_last[tmp]) {
1330				dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1331				return -EINVAL;
1332			}
1333			track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp];
1334			track->cb_color_frag_offset[tmp] = track->cb_color_bo_offset[tmp];
1335			ib[idx] = track->cb_color_base_last[tmp];
1336		} else {
1337			r = r600_cs_packet_next_reloc(p, &reloc);
1338			if (r) {
1339				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1340				return -EINVAL;
1341			}
1342			track->cb_color_frag_bo[tmp] = reloc->robj;
1343			track->cb_color_frag_offset[tmp] = (u64)ib[idx] << 8;
1344			ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1345		}
1346		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1347			track->cb_dirty = true;
1348		}
1349		break;
1350	case R_0280C0_CB_COLOR0_TILE:
1351	case R_0280C4_CB_COLOR1_TILE:
1352	case R_0280C8_CB_COLOR2_TILE:
1353	case R_0280CC_CB_COLOR3_TILE:
1354	case R_0280D0_CB_COLOR4_TILE:
1355	case R_0280D4_CB_COLOR5_TILE:
1356	case R_0280D8_CB_COLOR6_TILE:
1357	case R_0280DC_CB_COLOR7_TILE:
1358		tmp = (reg - R_0280C0_CB_COLOR0_TILE) / 4;
1359		if (!r600_cs_packet_next_is_pkt3_nop(p)) {
1360			if (!track->cb_color_base_last[tmp]) {
1361				dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1362				return -EINVAL;
1363			}
1364			track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp];
1365			track->cb_color_tile_offset[tmp] = track->cb_color_bo_offset[tmp];
1366			ib[idx] = track->cb_color_base_last[tmp];
1367		} else {
1368			r = r600_cs_packet_next_reloc(p, &reloc);
1369			if (r) {
1370				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1371				return -EINVAL;
1372			}
1373			track->cb_color_tile_bo[tmp] = reloc->robj;
1374			track->cb_color_tile_offset[tmp] = (u64)ib[idx] << 8;
1375			ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1376		}
1377		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1378			track->cb_dirty = true;
1379		}
1380		break;
1381	case R_028100_CB_COLOR0_MASK:
1382	case R_028104_CB_COLOR1_MASK:
1383	case R_028108_CB_COLOR2_MASK:
1384	case R_02810C_CB_COLOR3_MASK:
1385	case R_028110_CB_COLOR4_MASK:
1386	case R_028114_CB_COLOR5_MASK:
1387	case R_028118_CB_COLOR6_MASK:
1388	case R_02811C_CB_COLOR7_MASK:
1389		tmp = (reg - R_028100_CB_COLOR0_MASK) / 4;
1390		track->cb_color_mask[tmp] = radeon_get_ib_value(p, idx);
1391		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1392			track->cb_dirty = true;
1393		}
1394		break;
1395	case CB_COLOR0_BASE:
1396	case CB_COLOR1_BASE:
1397	case CB_COLOR2_BASE:
1398	case CB_COLOR3_BASE:
1399	case CB_COLOR4_BASE:
1400	case CB_COLOR5_BASE:
1401	case CB_COLOR6_BASE:
1402	case CB_COLOR7_BASE:
1403		r = r600_cs_packet_next_reloc(p, &reloc);
1404		if (r) {
1405			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1406					"0x%04X\n", reg);
1407			return -EINVAL;
1408		}
1409		tmp = (reg - CB_COLOR0_BASE) / 4;
1410		track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1411		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1412		track->cb_color_base_last[tmp] = ib[idx];
1413		track->cb_color_bo[tmp] = reloc->robj;
1414		track->cb_color_bo_mc[tmp] = reloc->lobj.gpu_offset;
1415		track->cb_dirty = true;
1416		break;
1417	case DB_DEPTH_BASE:
1418		r = r600_cs_packet_next_reloc(p, &reloc);
1419		if (r) {
1420			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1421					"0x%04X\n", reg);
1422			return -EINVAL;
1423		}
1424		track->db_offset = radeon_get_ib_value(p, idx) << 8;
1425		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1426		track->db_bo = reloc->robj;
1427		track->db_bo_mc = reloc->lobj.gpu_offset;
1428		track->db_dirty = true;
1429		break;
1430	case DB_HTILE_DATA_BASE:
1431		r = r600_cs_packet_next_reloc(p, &reloc);
1432		if (r) {
1433			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1434					"0x%04X\n", reg);
1435			return -EINVAL;
1436		}
1437		track->htile_offset = radeon_get_ib_value(p, idx) << 8;
1438		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1439		track->htile_bo = reloc->robj;
1440		track->db_dirty = true;
1441		break;
1442	case DB_HTILE_SURFACE:
1443		track->htile_surface = radeon_get_ib_value(p, idx);
1444		/* force 8x8 htile width and height */
1445		ib[idx] |= 3;
1446		track->db_dirty = true;
1447		break;
1448	case SQ_PGM_START_FS:
1449	case SQ_PGM_START_ES:
1450	case SQ_PGM_START_VS:
1451	case SQ_PGM_START_GS:
1452	case SQ_PGM_START_PS:
1453	case SQ_ALU_CONST_CACHE_GS_0:
1454	case SQ_ALU_CONST_CACHE_GS_1:
1455	case SQ_ALU_CONST_CACHE_GS_2:
1456	case SQ_ALU_CONST_CACHE_GS_3:
1457	case SQ_ALU_CONST_CACHE_GS_4:
1458	case SQ_ALU_CONST_CACHE_GS_5:
1459	case SQ_ALU_CONST_CACHE_GS_6:
1460	case SQ_ALU_CONST_CACHE_GS_7:
1461	case SQ_ALU_CONST_CACHE_GS_8:
1462	case SQ_ALU_CONST_CACHE_GS_9:
1463	case SQ_ALU_CONST_CACHE_GS_10:
1464	case SQ_ALU_CONST_CACHE_GS_11:
1465	case SQ_ALU_CONST_CACHE_GS_12:
1466	case SQ_ALU_CONST_CACHE_GS_13:
1467	case SQ_ALU_CONST_CACHE_GS_14:
1468	case SQ_ALU_CONST_CACHE_GS_15:
1469	case SQ_ALU_CONST_CACHE_PS_0:
1470	case SQ_ALU_CONST_CACHE_PS_1:
1471	case SQ_ALU_CONST_CACHE_PS_2:
1472	case SQ_ALU_CONST_CACHE_PS_3:
1473	case SQ_ALU_CONST_CACHE_PS_4:
1474	case SQ_ALU_CONST_CACHE_PS_5:
1475	case SQ_ALU_CONST_CACHE_PS_6:
1476	case SQ_ALU_CONST_CACHE_PS_7:
1477	case SQ_ALU_CONST_CACHE_PS_8:
1478	case SQ_ALU_CONST_CACHE_PS_9:
1479	case SQ_ALU_CONST_CACHE_PS_10:
1480	case SQ_ALU_CONST_CACHE_PS_11:
1481	case SQ_ALU_CONST_CACHE_PS_12:
1482	case SQ_ALU_CONST_CACHE_PS_13:
1483	case SQ_ALU_CONST_CACHE_PS_14:
1484	case SQ_ALU_CONST_CACHE_PS_15:
1485	case SQ_ALU_CONST_CACHE_VS_0:
1486	case SQ_ALU_CONST_CACHE_VS_1:
1487	case SQ_ALU_CONST_CACHE_VS_2:
1488	case SQ_ALU_CONST_CACHE_VS_3:
1489	case SQ_ALU_CONST_CACHE_VS_4:
1490	case SQ_ALU_CONST_CACHE_VS_5:
1491	case SQ_ALU_CONST_CACHE_VS_6:
1492	case SQ_ALU_CONST_CACHE_VS_7:
1493	case SQ_ALU_CONST_CACHE_VS_8:
1494	case SQ_ALU_CONST_CACHE_VS_9:
1495	case SQ_ALU_CONST_CACHE_VS_10:
1496	case SQ_ALU_CONST_CACHE_VS_11:
1497	case SQ_ALU_CONST_CACHE_VS_12:
1498	case SQ_ALU_CONST_CACHE_VS_13:
1499	case SQ_ALU_CONST_CACHE_VS_14:
1500	case SQ_ALU_CONST_CACHE_VS_15:
1501		r = r600_cs_packet_next_reloc(p, &reloc);
1502		if (r) {
1503			dev_warn(p->dev, "bad SET_CONTEXT_REG "
1504					"0x%04X\n", reg);
1505			return -EINVAL;
1506		}
1507		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1508		break;
1509	case SX_MEMORY_EXPORT_BASE:
1510		r = r600_cs_packet_next_reloc(p, &reloc);
1511		if (r) {
1512			dev_warn(p->dev, "bad SET_CONFIG_REG "
1513					"0x%04X\n", reg);
1514			return -EINVAL;
1515		}
1516		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1517		break;
1518	case SX_MISC:
1519		track->sx_misc_kill_all_prims = (radeon_get_ib_value(p, idx) & 0x1) != 0;
1520		break;
1521	default:
1522		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1523		return -EINVAL;
1524	}
1525	return 0;
1526}
1527
1528unsigned r600_mip_minify(unsigned size, unsigned level)
1529{
1530	unsigned val;
1531
1532	val = max(1U, size >> level);
1533	if (level > 0)
1534		val = roundup_pow_of_two(val);
1535	return val;
1536}
1537
1538static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned llevel,
1539			      unsigned w0, unsigned h0, unsigned d0, unsigned nsamples, unsigned format,
1540			      unsigned block_align, unsigned height_align, unsigned base_align,
1541			      unsigned *l0_size, unsigned *mipmap_size)
1542{
1543	unsigned offset, i, level;
1544	unsigned width, height, depth, size;
1545	unsigned blocksize;
1546	unsigned nbx, nby;
1547	unsigned nlevels = llevel - blevel + 1;
1548
1549	*l0_size = -1;
1550	blocksize = r600_fmt_get_blocksize(format);
1551
1552	w0 = r600_mip_minify(w0, 0);
1553	h0 = r600_mip_minify(h0, 0);
1554	d0 = r600_mip_minify(d0, 0);
1555	for(i = 0, offset = 0, level = blevel; i < nlevels; i++, level++) {
1556		width = r600_mip_minify(w0, i);
1557		nbx = r600_fmt_get_nblocksx(format, width);
1558
1559		nbx = roundup(nbx, block_align);
1560
1561		height = r600_mip_minify(h0, i);
1562		nby = r600_fmt_get_nblocksy(format, height);
1563		nby = roundup(nby, height_align);
1564
1565		depth = r600_mip_minify(d0, i);
1566
1567		size = nbx * nby * blocksize * nsamples;
1568		if (nfaces)
1569			size *= nfaces;
1570		else
1571			size *= depth;
1572
1573		if (i == 0)
1574			*l0_size = size;
1575
1576		if (i == 0 || i == 1)
1577			offset = roundup(offset, base_align);
1578
1579		offset += size;
1580	}
1581	*mipmap_size = offset;
1582	if (llevel == 0)
1583		*mipmap_size = *l0_size;
1584	if (!blevel)
1585		*mipmap_size -= *l0_size;
1586}
1587
1588/**
1589 * r600_check_texture_resource() - check if register is authorized or not
1590 * @p: parser structure holding parsing context
1591 * @idx: index into the cs buffer
1592 * @texture: texture's bo structure
1593 * @mipmap: mipmap's bo structure
1594 *
1595 * This function will check that the resource has valid field and that
1596 * the texture and mipmap bo object are big enough to cover this resource.
1597 */
1598static int r600_check_texture_resource(struct radeon_cs_parser *p,  u32 idx,
1599					      struct radeon_bo *texture,
1600					      struct radeon_bo *mipmap,
1601					      u64 base_offset,
1602					      u64 mip_offset,
1603					      u32 tiling_flags)
1604{
1605	struct r600_cs_track *track = p->track;
1606	u32 dim, nfaces, llevel, blevel, w0, h0, d0;
1607	u32 word0, word1, l0_size, mipmap_size, word2, word3, word4, word5;
1608	u32 height_align, pitch, pitch_align, depth_align;
1609	u32 barray, larray;
1610	u64 base_align;
1611	struct array_mode_checker array_check;
1612	u32 format;
1613	bool is_array;
1614
1615	/* on legacy kernel we don't perform advanced check */
1616	if (p->rdev == NULL)
1617		return 0;
1618
1619	/* convert to bytes */
1620	base_offset <<= 8;
1621	mip_offset <<= 8;
1622
1623	word0 = radeon_get_ib_value(p, idx + 0);
1624	if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1625		if (tiling_flags & RADEON_TILING_MACRO)
1626			word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
1627		else if (tiling_flags & RADEON_TILING_MICRO)
1628			word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
1629	}
1630	word1 = radeon_get_ib_value(p, idx + 1);
1631	word2 = radeon_get_ib_value(p, idx + 2) << 8;
1632	word3 = radeon_get_ib_value(p, idx + 3) << 8;
1633	word4 = radeon_get_ib_value(p, idx + 4);
1634	word5 = radeon_get_ib_value(p, idx + 5);
1635	dim = G_038000_DIM(word0);
1636	w0 = G_038000_TEX_WIDTH(word0) + 1;
1637	pitch = (G_038000_PITCH(word0) + 1) * 8;
1638	h0 = G_038004_TEX_HEIGHT(word1) + 1;
1639	d0 = G_038004_TEX_DEPTH(word1);
1640	format = G_038004_DATA_FORMAT(word1);
1641	blevel = G_038010_BASE_LEVEL(word4);
1642	llevel = G_038014_LAST_LEVEL(word5);
1643	/* pitch in texels */
1644	array_check.array_mode = G_038000_TILE_MODE(word0);
1645	array_check.group_size = track->group_size;
1646	array_check.nbanks = track->nbanks;
1647	array_check.npipes = track->npipes;
1648	array_check.nsamples = 1;
1649	array_check.blocksize = r600_fmt_get_blocksize(format);
1650	nfaces = 1;
1651	is_array = false;
1652	switch (dim) {
1653	case V_038000_SQ_TEX_DIM_1D:
1654	case V_038000_SQ_TEX_DIM_2D:
1655	case V_038000_SQ_TEX_DIM_3D:
1656		break;
1657	case V_038000_SQ_TEX_DIM_CUBEMAP:
1658		if (p->family >= CHIP_RV770)
1659			nfaces = 8;
1660		else
1661			nfaces = 6;
1662		break;
1663	case V_038000_SQ_TEX_DIM_1D_ARRAY:
1664	case V_038000_SQ_TEX_DIM_2D_ARRAY:
1665		is_array = true;
1666		break;
1667	case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA:
1668		is_array = true;
1669		/* fall through */
1670	case V_038000_SQ_TEX_DIM_2D_MSAA:
1671		array_check.nsamples = 1 << llevel;
1672		llevel = 0;
1673		break;
1674	default:
1675		dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0));
1676		return -EINVAL;
1677	}
1678	if (!r600_fmt_is_valid_texture(format, p->family)) {
1679		dev_warn(p->dev, "%s:%d texture invalid format %d\n",
1680			 __func__, __LINE__, format);
1681		return -EINVAL;
1682	}
1683
1684	if (r600_get_array_mode_alignment(&array_check,
1685					  &pitch_align, &height_align, &depth_align, &base_align)) {
1686		dev_warn(p->dev, "%s:%d tex array mode (%d) invalid\n",
1687			 __func__, __LINE__, G_038000_TILE_MODE(word0));
1688		return -EINVAL;
1689	}
1690
1691	/* XXX check height as well... */
1692
1693	if (!IS_ALIGNED(pitch, pitch_align)) {
1694		dev_warn(p->dev, "%s:%d tex pitch (%d, 0x%x, %d) invalid\n",
1695			 __func__, __LINE__, pitch, pitch_align, G_038000_TILE_MODE(word0));
1696		return -EINVAL;
1697	}
1698	if (!IS_ALIGNED(base_offset, base_align)) {
1699		dev_warn(p->dev, "%s:%d tex base offset (0x%jx, 0x%jx, %d) invalid\n",
1700			 __func__, __LINE__, (uintmax_t)base_offset, (uintmax_t)base_align, G_038000_TILE_MODE(word0));
1701		return -EINVAL;
1702	}
1703	if (!IS_ALIGNED(mip_offset, base_align)) {
1704		dev_warn(p->dev, "%s:%d tex mip offset (0x%jx, 0x%jx, %d) invalid\n",
1705			 __func__, __LINE__, (uintmax_t)mip_offset, (uintmax_t)base_align, G_038000_TILE_MODE(word0));
1706		return -EINVAL;
1707	}
1708
1709	if (blevel > llevel) {
1710		dev_warn(p->dev, "texture blevel %d > llevel %d\n",
1711			 blevel, llevel);
1712	}
1713	if (is_array) {
1714		barray = G_038014_BASE_ARRAY(word5);
1715		larray = G_038014_LAST_ARRAY(word5);
1716
1717		nfaces = larray - barray + 1;
1718	}
1719	r600_texture_size(nfaces, blevel, llevel, w0, h0, d0, array_check.nsamples, format,
1720			  pitch_align, height_align, base_align,
1721			  &l0_size, &mipmap_size);
1722	/* using get ib will give us the offset into the texture bo */
1723	if ((l0_size + word2) > radeon_bo_size(texture)) {
1724		dev_warn(p->dev, "texture bo too small ((%d %d) (%d %d) %d %d %d -> %d have %ld)\n",
1725			 w0, h0, pitch_align, height_align,
1726			 array_check.array_mode, format, word2,
1727			 l0_size, radeon_bo_size(texture));
1728		dev_warn(p->dev, "alignments %d %d %d %jd\n", pitch, pitch_align, height_align, (uintmax_t)base_align);
1729		return -EINVAL;
1730	}
1731	/* using get ib will give us the offset into the mipmap bo */
1732	if ((mipmap_size + word3) > radeon_bo_size(mipmap)) {
1733		/*dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n",
1734		  w0, h0, format, blevel, nlevels, word3, mipmap_size, radeon_bo_size(texture));*/
1735	}
1736	return 0;
1737}
1738
1739static bool r600_is_safe_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1740{
1741	u32 m, i;
1742
1743	i = (reg >> 7);
1744	if (i >= DRM_ARRAY_SIZE(r600_reg_safe_bm)) {
1745		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1746		return false;
1747	}
1748	m = 1 << ((reg >> 2) & 31);
1749	if (!(r600_reg_safe_bm[i] & m))
1750		return true;
1751	dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1752	return false;
1753}
1754
1755static int r600_packet3_check(struct radeon_cs_parser *p,
1756				struct radeon_cs_packet *pkt)
1757{
1758	struct radeon_cs_reloc *reloc;
1759	struct r600_cs_track *track;
1760	volatile u32 *ib;
1761	unsigned idx;
1762	unsigned i;
1763	unsigned start_reg, end_reg, reg;
1764	int r;
1765	u32 idx_value;
1766
1767	track = (struct r600_cs_track *)p->track;
1768	ib = p->ib.ptr;
1769	idx = pkt->idx + 1;
1770	idx_value = radeon_get_ib_value(p, idx);
1771
1772	switch (pkt->opcode) {
1773	case PACKET3_SET_PREDICATION:
1774	{
1775		int pred_op;
1776		int tmp;
1777		uint64_t offset;
1778
1779		if (pkt->count != 1) {
1780			DRM_ERROR("bad SET PREDICATION\n");
1781			return -EINVAL;
1782		}
1783
1784		tmp = radeon_get_ib_value(p, idx + 1);
1785		pred_op = (tmp >> 16) & 0x7;
1786
1787		/* for the clear predicate operation */
1788		if (pred_op == 0)
1789			return 0;
1790
1791		if (pred_op > 2) {
1792			DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op);
1793			return -EINVAL;
1794		}
1795
1796		r = r600_cs_packet_next_reloc(p, &reloc);
1797		if (r) {
1798			DRM_ERROR("bad SET PREDICATION\n");
1799			return -EINVAL;
1800		}
1801
1802		offset = reloc->lobj.gpu_offset +
1803		         (idx_value & 0xfffffff0) +
1804		         ((u64)(tmp & 0xff) << 32);
1805
1806		ib[idx + 0] = offset;
1807		ib[idx + 1] = (tmp & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1808	}
1809	break;
1810
1811	case PACKET3_START_3D_CMDBUF:
1812		if (p->family >= CHIP_RV770 || pkt->count) {
1813			DRM_ERROR("bad START_3D\n");
1814			return -EINVAL;
1815		}
1816		break;
1817	case PACKET3_CONTEXT_CONTROL:
1818		if (pkt->count != 1) {
1819			DRM_ERROR("bad CONTEXT_CONTROL\n");
1820			return -EINVAL;
1821		}
1822		break;
1823	case PACKET3_INDEX_TYPE:
1824	case PACKET3_NUM_INSTANCES:
1825		if (pkt->count) {
1826			DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES\n");
1827			return -EINVAL;
1828		}
1829		break;
1830	case PACKET3_DRAW_INDEX:
1831	{
1832		uint64_t offset;
1833		if (pkt->count != 3) {
1834			DRM_ERROR("bad DRAW_INDEX\n");
1835			return -EINVAL;
1836		}
1837		r = r600_cs_packet_next_reloc(p, &reloc);
1838		if (r) {
1839			DRM_ERROR("bad DRAW_INDEX\n");
1840			return -EINVAL;
1841		}
1842
1843		offset = reloc->lobj.gpu_offset +
1844		         idx_value +
1845		         ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1846
1847		ib[idx+0] = offset;
1848		ib[idx+1] = upper_32_bits(offset) & 0xff;
1849
1850		r = r600_cs_track_check(p);
1851		if (r) {
1852			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1853			return r;
1854		}
1855		break;
1856	}
1857	case PACKET3_DRAW_INDEX_AUTO:
1858		if (pkt->count != 1) {
1859			DRM_ERROR("bad DRAW_INDEX_AUTO\n");
1860			return -EINVAL;
1861		}
1862		r = r600_cs_track_check(p);
1863		if (r) {
1864			dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
1865			return r;
1866		}
1867		break;
1868	case PACKET3_DRAW_INDEX_IMMD_BE:
1869	case PACKET3_DRAW_INDEX_IMMD:
1870		if (pkt->count < 2) {
1871			DRM_ERROR("bad DRAW_INDEX_IMMD\n");
1872			return -EINVAL;
1873		}
1874		r = r600_cs_track_check(p);
1875		if (r) {
1876			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1877			return r;
1878		}
1879		break;
1880	case PACKET3_WAIT_REG_MEM:
1881		if (pkt->count != 5) {
1882			DRM_ERROR("bad WAIT_REG_MEM\n");
1883			return -EINVAL;
1884		}
1885		/* bit 4 is reg (0) or mem (1) */
1886		if (idx_value & 0x10) {
1887			uint64_t offset;
1888
1889			r = r600_cs_packet_next_reloc(p, &reloc);
1890			if (r) {
1891				DRM_ERROR("bad WAIT_REG_MEM\n");
1892				return -EINVAL;
1893			}
1894
1895			offset = reloc->lobj.gpu_offset +
1896			         (radeon_get_ib_value(p, idx+1) & 0xfffffff0) +
1897			         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1898
1899			ib[idx+1] = (ib[idx+1] & 0x3) | (offset & 0xfffffff0);
1900			ib[idx+2] = upper_32_bits(offset) & 0xff;
1901		}
1902		break;
1903	case PACKET3_CP_DMA:
1904	{
1905		u32 command, size;
1906		u64 offset, tmp;
1907		if (pkt->count != 4) {
1908			DRM_ERROR("bad CP DMA\n");
1909			return -EINVAL;
1910		}
1911		command = radeon_get_ib_value(p, idx+4);
1912		size = command & 0x1fffff;
1913		if (command & PACKET3_CP_DMA_CMD_SAS) {
1914			/* src address space is register */
1915			DRM_ERROR("CP DMA SAS not supported\n");
1916			return -EINVAL;
1917		} else {
1918			if (command & PACKET3_CP_DMA_CMD_SAIC) {
1919				DRM_ERROR("CP DMA SAIC only supported for registers\n");
1920				return -EINVAL;
1921			}
1922			/* src address space is memory */
1923			r = r600_cs_packet_next_reloc(p, &reloc);
1924			if (r) {
1925				DRM_ERROR("bad CP DMA SRC\n");
1926				return -EINVAL;
1927			}
1928
1929			tmp = radeon_get_ib_value(p, idx) +
1930				((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1931
1932			offset = reloc->lobj.gpu_offset + tmp;
1933
1934			if ((tmp + size) > radeon_bo_size(reloc->robj)) {
1935				dev_warn(p->dev, "CP DMA src buffer too small (%ju %lu)\n",
1936					 (uintmax_t)tmp + size, radeon_bo_size(reloc->robj));
1937				return -EINVAL;
1938			}
1939
1940			ib[idx] = offset;
1941			ib[idx+1] = (ib[idx+1] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1942		}
1943		if (command & PACKET3_CP_DMA_CMD_DAS) {
1944			/* dst address space is register */
1945			DRM_ERROR("CP DMA DAS not supported\n");
1946			return -EINVAL;
1947		} else {
1948			/* dst address space is memory */
1949			if (command & PACKET3_CP_DMA_CMD_DAIC) {
1950				DRM_ERROR("CP DMA DAIC only supported for registers\n");
1951				return -EINVAL;
1952			}
1953			r = r600_cs_packet_next_reloc(p, &reloc);
1954			if (r) {
1955				DRM_ERROR("bad CP DMA DST\n");
1956				return -EINVAL;
1957			}
1958
1959			tmp = radeon_get_ib_value(p, idx+2) +
1960				((u64)(radeon_get_ib_value(p, idx+3) & 0xff) << 32);
1961
1962			offset = reloc->lobj.gpu_offset + tmp;
1963
1964			if ((tmp + size) > radeon_bo_size(reloc->robj)) {
1965				dev_warn(p->dev, "CP DMA dst buffer too small (%ju %lu)\n",
1966					 (uintmax_t)tmp + size, radeon_bo_size(reloc->robj));
1967				return -EINVAL;
1968			}
1969
1970			ib[idx+2] = offset;
1971			ib[idx+3] = upper_32_bits(offset) & 0xff;
1972		}
1973		break;
1974	}
1975	case PACKET3_SURFACE_SYNC:
1976		if (pkt->count != 3) {
1977			DRM_ERROR("bad SURFACE_SYNC\n");
1978			return -EINVAL;
1979		}
1980		/* 0xffffffff/0x0 is flush all cache flag */
1981		if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
1982		    radeon_get_ib_value(p, idx + 2) != 0) {
1983			r = r600_cs_packet_next_reloc(p, &reloc);
1984			if (r) {
1985				DRM_ERROR("bad SURFACE_SYNC\n");
1986				return -EINVAL;
1987			}
1988			ib[idx+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1989		}
1990		break;
1991	case PACKET3_EVENT_WRITE:
1992		if (pkt->count != 2 && pkt->count != 0) {
1993			DRM_ERROR("bad EVENT_WRITE\n");
1994			return -EINVAL;
1995		}
1996		if (pkt->count) {
1997			uint64_t offset;
1998
1999			r = r600_cs_packet_next_reloc(p, &reloc);
2000			if (r) {
2001				DRM_ERROR("bad EVENT_WRITE\n");
2002				return -EINVAL;
2003			}
2004			offset = reloc->lobj.gpu_offset +
2005			         (radeon_get_ib_value(p, idx+1) & 0xfffffff8) +
2006			         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2007
2008			ib[idx+1] = offset & 0xfffffff8;
2009			ib[idx+2] = upper_32_bits(offset) & 0xff;
2010		}
2011		break;
2012	case PACKET3_EVENT_WRITE_EOP:
2013	{
2014		uint64_t offset;
2015
2016		if (pkt->count != 4) {
2017			DRM_ERROR("bad EVENT_WRITE_EOP\n");
2018			return -EINVAL;
2019		}
2020		r = r600_cs_packet_next_reloc(p, &reloc);
2021		if (r) {
2022			DRM_ERROR("bad EVENT_WRITE\n");
2023			return -EINVAL;
2024		}
2025
2026		offset = reloc->lobj.gpu_offset +
2027		         (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
2028		         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2029
2030		ib[idx+1] = offset & 0xfffffffc;
2031		ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
2032		break;
2033	}
2034	case PACKET3_SET_CONFIG_REG:
2035		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_OFFSET;
2036		end_reg = 4 * pkt->count + start_reg - 4;
2037		if ((start_reg < PACKET3_SET_CONFIG_REG_OFFSET) ||
2038		    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
2039		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
2040			DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
2041			return -EINVAL;
2042		}
2043		for (i = 0; i < pkt->count; i++) {
2044			reg = start_reg + (4 * i);
2045			r = r600_cs_check_reg(p, reg, idx+1+i);
2046			if (r)
2047				return r;
2048		}
2049		break;
2050	case PACKET3_SET_CONTEXT_REG:
2051		start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_OFFSET;
2052		end_reg = 4 * pkt->count + start_reg - 4;
2053		if ((start_reg < PACKET3_SET_CONTEXT_REG_OFFSET) ||
2054		    (start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
2055		    (end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
2056			DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n");
2057			return -EINVAL;
2058		}
2059		for (i = 0; i < pkt->count; i++) {
2060			reg = start_reg + (4 * i);
2061			r = r600_cs_check_reg(p, reg, idx+1+i);
2062			if (r)
2063				return r;
2064		}
2065		break;
2066	case PACKET3_SET_RESOURCE:
2067		if (pkt->count % 7) {
2068			DRM_ERROR("bad SET_RESOURCE\n");
2069			return -EINVAL;
2070		}
2071		start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_OFFSET;
2072		end_reg = 4 * pkt->count + start_reg - 4;
2073		if ((start_reg < PACKET3_SET_RESOURCE_OFFSET) ||
2074		    (start_reg >= PACKET3_SET_RESOURCE_END) ||
2075		    (end_reg >= PACKET3_SET_RESOURCE_END)) {
2076			DRM_ERROR("bad SET_RESOURCE\n");
2077			return -EINVAL;
2078		}
2079		for (i = 0; i < (pkt->count / 7); i++) {
2080			struct radeon_bo *texture, *mipmap;
2081			u32 size, offset, base_offset, mip_offset;
2082
2083			switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) {
2084			case SQ_TEX_VTX_VALID_TEXTURE:
2085				/* tex base */
2086				r = r600_cs_packet_next_reloc(p, &reloc);
2087				if (r) {
2088					DRM_ERROR("bad SET_RESOURCE\n");
2089					return -EINVAL;
2090				}
2091				base_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2092				if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
2093					if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
2094						ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
2095					else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
2096						ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
2097				}
2098				texture = reloc->robj;
2099				/* tex mip base */
2100				r = r600_cs_packet_next_reloc(p, &reloc);
2101				if (r) {
2102					DRM_ERROR("bad SET_RESOURCE\n");
2103					return -EINVAL;
2104				}
2105				mip_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2106				mipmap = reloc->robj;
2107				r = r600_check_texture_resource(p,  idx+(i*7)+1,
2108								texture, mipmap,
2109								base_offset + radeon_get_ib_value(p, idx+1+(i*7)+2),
2110								mip_offset + radeon_get_ib_value(p, idx+1+(i*7)+3),
2111								reloc->lobj.tiling_flags);
2112				if (r)
2113					return r;
2114				ib[idx+1+(i*7)+2] += base_offset;
2115				ib[idx+1+(i*7)+3] += mip_offset;
2116				break;
2117			case SQ_TEX_VTX_VALID_BUFFER:
2118			{
2119				uint64_t offset64;
2120				/* vtx base */
2121				r = r600_cs_packet_next_reloc(p, &reloc);
2122				if (r) {
2123					DRM_ERROR("bad SET_RESOURCE\n");
2124					return -EINVAL;
2125				}
2126				offset = radeon_get_ib_value(p, idx+1+(i*7)+0);
2127				size = radeon_get_ib_value(p, idx+1+(i*7)+1) + 1;
2128				if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
2129					/* force size to size of the buffer */
2130					dev_warn(p->dev, "vbo resource seems too big (%d) for the bo (%ld)\n",
2131						 size + offset, radeon_bo_size(reloc->robj));
2132					ib[idx+1+(i*7)+1] = radeon_bo_size(reloc->robj) - offset;
2133				}
2134
2135				offset64 = reloc->lobj.gpu_offset + offset;
2136				ib[idx+1+(i*8)+0] = offset64;
2137				ib[idx+1+(i*8)+2] = (ib[idx+1+(i*8)+2] & 0xffffff00) |
2138						    (upper_32_bits(offset64) & 0xff);
2139				break;
2140			}
2141			case SQ_TEX_VTX_INVALID_TEXTURE:
2142			case SQ_TEX_VTX_INVALID_BUFFER:
2143			default:
2144				DRM_ERROR("bad SET_RESOURCE\n");
2145				return -EINVAL;
2146			}
2147		}
2148		break;
2149	case PACKET3_SET_ALU_CONST:
2150		if (track->sq_config & DX9_CONSTS) {
2151			start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET;
2152			end_reg = 4 * pkt->count + start_reg - 4;
2153			if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) ||
2154			    (start_reg >= PACKET3_SET_ALU_CONST_END) ||
2155			    (end_reg >= PACKET3_SET_ALU_CONST_END)) {
2156				DRM_ERROR("bad SET_ALU_CONST\n");
2157				return -EINVAL;
2158			}
2159		}
2160		break;
2161	case PACKET3_SET_BOOL_CONST:
2162		start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_OFFSET;
2163		end_reg = 4 * pkt->count + start_reg - 4;
2164		if ((start_reg < PACKET3_SET_BOOL_CONST_OFFSET) ||
2165		    (start_reg >= PACKET3_SET_BOOL_CONST_END) ||
2166		    (end_reg >= PACKET3_SET_BOOL_CONST_END)) {
2167			DRM_ERROR("bad SET_BOOL_CONST\n");
2168			return -EINVAL;
2169		}
2170		break;
2171	case PACKET3_SET_LOOP_CONST:
2172		start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_OFFSET;
2173		end_reg = 4 * pkt->count + start_reg - 4;
2174		if ((start_reg < PACKET3_SET_LOOP_CONST_OFFSET) ||
2175		    (start_reg >= PACKET3_SET_LOOP_CONST_END) ||
2176		    (end_reg >= PACKET3_SET_LOOP_CONST_END)) {
2177			DRM_ERROR("bad SET_LOOP_CONST\n");
2178			return -EINVAL;
2179		}
2180		break;
2181	case PACKET3_SET_CTL_CONST:
2182		start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_OFFSET;
2183		end_reg = 4 * pkt->count + start_reg - 4;
2184		if ((start_reg < PACKET3_SET_CTL_CONST_OFFSET) ||
2185		    (start_reg >= PACKET3_SET_CTL_CONST_END) ||
2186		    (end_reg >= PACKET3_SET_CTL_CONST_END)) {
2187			DRM_ERROR("bad SET_CTL_CONST\n");
2188			return -EINVAL;
2189		}
2190		break;
2191	case PACKET3_SET_SAMPLER:
2192		if (pkt->count % 3) {
2193			DRM_ERROR("bad SET_SAMPLER\n");
2194			return -EINVAL;
2195		}
2196		start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_OFFSET;
2197		end_reg = 4 * pkt->count + start_reg - 4;
2198		if ((start_reg < PACKET3_SET_SAMPLER_OFFSET) ||
2199		    (start_reg >= PACKET3_SET_SAMPLER_END) ||
2200		    (end_reg >= PACKET3_SET_SAMPLER_END)) {
2201			DRM_ERROR("bad SET_SAMPLER\n");
2202			return -EINVAL;
2203		}
2204		break;
2205	case PACKET3_STRMOUT_BASE_UPDATE:
2206		/* RS780 and RS880 also need this */
2207		if (p->family < CHIP_RS780) {
2208			DRM_ERROR("STRMOUT_BASE_UPDATE only supported on 7xx\n");
2209			return -EINVAL;
2210		}
2211		if (pkt->count != 1) {
2212			DRM_ERROR("bad STRMOUT_BASE_UPDATE packet count\n");
2213			return -EINVAL;
2214		}
2215		if (idx_value > 3) {
2216			DRM_ERROR("bad STRMOUT_BASE_UPDATE index\n");
2217			return -EINVAL;
2218		}
2219		{
2220			u64 offset;
2221
2222			r = r600_cs_packet_next_reloc(p, &reloc);
2223			if (r) {
2224				DRM_ERROR("bad STRMOUT_BASE_UPDATE reloc\n");
2225				return -EINVAL;
2226			}
2227
2228			if (reloc->robj != track->vgt_strmout_bo[idx_value]) {
2229				DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo does not match\n");
2230				return -EINVAL;
2231			}
2232
2233			offset = radeon_get_ib_value(p, idx+1) << 8;
2234			if (offset != track->vgt_strmout_bo_offset[idx_value]) {
2235				DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo offset does not match: 0x%jx, 0x%x\n",
2236					  (uintmax_t)offset, track->vgt_strmout_bo_offset[idx_value]);
2237				return -EINVAL;
2238			}
2239
2240			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2241				DRM_ERROR("bad STRMOUT_BASE_UPDATE bo too small: 0x%jx, 0x%lx\n",
2242					  (uintmax_t)offset + 4, radeon_bo_size(reloc->robj));
2243				return -EINVAL;
2244			}
2245			ib[idx+1] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2246		}
2247		break;
2248	case PACKET3_SURFACE_BASE_UPDATE:
2249		if (p->family >= CHIP_RV770 || p->family == CHIP_R600) {
2250			DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
2251			return -EINVAL;
2252		}
2253		if (pkt->count) {
2254			DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
2255			return -EINVAL;
2256		}
2257		break;
2258	case PACKET3_STRMOUT_BUFFER_UPDATE:
2259		if (pkt->count != 4) {
2260			DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (invalid count)\n");
2261			return -EINVAL;
2262		}
2263		/* Updating memory at DST_ADDRESS. */
2264		if (idx_value & 0x1) {
2265			u64 offset;
2266			r = r600_cs_packet_next_reloc(p, &reloc);
2267			if (r) {
2268				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing dst reloc)\n");
2269				return -EINVAL;
2270			}
2271			offset = radeon_get_ib_value(p, idx+1);
2272			offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2273			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2274				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE dst bo too small: 0x%jx, 0x%lx\n",
2275					  (uintmax_t)offset + 4, radeon_bo_size(reloc->robj));
2276				return -EINVAL;
2277			}
2278			offset += reloc->lobj.gpu_offset;
2279			ib[idx+1] = offset;
2280			ib[idx+2] = upper_32_bits(offset) & 0xff;
2281		}
2282		/* Reading data from SRC_ADDRESS. */
2283		if (((idx_value >> 1) & 0x3) == 2) {
2284			u64 offset;
2285			r = r600_cs_packet_next_reloc(p, &reloc);
2286			if (r) {
2287				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing src reloc)\n");
2288				return -EINVAL;
2289			}
2290			offset = radeon_get_ib_value(p, idx+3);
2291			offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2292			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2293				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE src bo too small: 0x%jx, 0x%lx\n",
2294					  (uintmax_t)offset + 4, radeon_bo_size(reloc->robj));
2295				return -EINVAL;
2296			}
2297			offset += reloc->lobj.gpu_offset;
2298			ib[idx+3] = offset;
2299			ib[idx+4] = upper_32_bits(offset) & 0xff;
2300		}
2301		break;
2302	case PACKET3_MEM_WRITE:
2303	{
2304		u64 offset;
2305
2306		if (pkt->count != 3) {
2307			DRM_ERROR("bad MEM_WRITE (invalid count)\n");
2308			return -EINVAL;
2309		}
2310		r = r600_cs_packet_next_reloc(p, &reloc);
2311		if (r) {
2312			DRM_ERROR("bad MEM_WRITE (missing reloc)\n");
2313			return -EINVAL;
2314		}
2315		offset = radeon_get_ib_value(p, idx+0);
2316		offset += ((u64)(radeon_get_ib_value(p, idx+1) & 0xff)) << 32UL;
2317		if (offset & 0x7) {
2318			DRM_ERROR("bad MEM_WRITE (address not qwords aligned)\n");
2319			return -EINVAL;
2320		}
2321		if ((offset + 8) > radeon_bo_size(reloc->robj)) {
2322			DRM_ERROR("bad MEM_WRITE bo too small: 0x%jx, 0x%lx\n",
2323				  (uintmax_t)offset + 8, radeon_bo_size(reloc->robj));
2324			return -EINVAL;
2325		}
2326		offset += reloc->lobj.gpu_offset;
2327		ib[idx+0] = offset;
2328		ib[idx+1] = upper_32_bits(offset) & 0xff;
2329		break;
2330	}
2331	case PACKET3_COPY_DW:
2332		if (pkt->count != 4) {
2333			DRM_ERROR("bad COPY_DW (invalid count)\n");
2334			return -EINVAL;
2335		}
2336		if (idx_value & 0x1) {
2337			u64 offset;
2338			/* SRC is memory. */
2339			r = r600_cs_packet_next_reloc(p, &reloc);
2340			if (r) {
2341				DRM_ERROR("bad COPY_DW (missing src reloc)\n");
2342				return -EINVAL;
2343			}
2344			offset = radeon_get_ib_value(p, idx+1);
2345			offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2346			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2347				DRM_ERROR("bad COPY_DW src bo too small: 0x%jx, 0x%lx\n",
2348					  (uintmax_t)offset + 4, radeon_bo_size(reloc->robj));
2349				return -EINVAL;
2350			}
2351			offset += reloc->lobj.gpu_offset;
2352			ib[idx+1] = offset;
2353			ib[idx+2] = upper_32_bits(offset) & 0xff;
2354		} else {
2355			/* SRC is a reg. */
2356			reg = radeon_get_ib_value(p, idx+1) << 2;
2357			if (!r600_is_safe_reg(p, reg, idx+1))
2358				return -EINVAL;
2359		}
2360		if (idx_value & 0x2) {
2361			u64 offset;
2362			/* DST is memory. */
2363			r = r600_cs_packet_next_reloc(p, &reloc);
2364			if (r) {
2365				DRM_ERROR("bad COPY_DW (missing dst reloc)\n");
2366				return -EINVAL;
2367			}
2368			offset = radeon_get_ib_value(p, idx+3);
2369			offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2370			if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2371				DRM_ERROR("bad COPY_DW dst bo too small: 0x%jx, 0x%lx\n",
2372					  (uintmax_t)offset + 4, radeon_bo_size(reloc->robj));
2373				return -EINVAL;
2374			}
2375			offset += reloc->lobj.gpu_offset;
2376			ib[idx+3] = offset;
2377			ib[idx+4] = upper_32_bits(offset) & 0xff;
2378		} else {
2379			/* DST is a reg. */
2380			reg = radeon_get_ib_value(p, idx+3) << 2;
2381			if (!r600_is_safe_reg(p, reg, idx+3))
2382				return -EINVAL;
2383		}
2384		break;
2385	case PACKET3_NOP:
2386		break;
2387	default:
2388		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2389		return -EINVAL;
2390	}
2391	return 0;
2392}
2393
2394int r600_cs_parse(struct radeon_cs_parser *p)
2395{
2396	struct radeon_cs_packet pkt;
2397	struct r600_cs_track *track;
2398	int r;
2399
2400	if (p->track == NULL) {
2401		/* initialize tracker, we are in kms */
2402		track = malloc(sizeof(*track),
2403		    DRM_MEM_DRIVER, M_ZERO | M_WAITOK);
2404		if (track == NULL)
2405			return -ENOMEM;
2406		r600_cs_track_init(track);
2407		if (p->rdev->family < CHIP_RV770) {
2408			track->npipes = p->rdev->config.r600.tiling_npipes;
2409			track->nbanks = p->rdev->config.r600.tiling_nbanks;
2410			track->group_size = p->rdev->config.r600.tiling_group_size;
2411		} else if (p->rdev->family <= CHIP_RV740) {
2412			track->npipes = p->rdev->config.rv770.tiling_npipes;
2413			track->nbanks = p->rdev->config.rv770.tiling_nbanks;
2414			track->group_size = p->rdev->config.rv770.tiling_group_size;
2415		}
2416		p->track = track;
2417	}
2418	do {
2419		r = r600_cs_packet_parse(p, &pkt, p->idx);
2420		if (r) {
2421			free(p->track, DRM_MEM_DRIVER);
2422			p->track = NULL;
2423			return r;
2424		}
2425		p->idx += pkt.count + 2;
2426		switch (pkt.type) {
2427		case PACKET_TYPE0:
2428			r = r600_cs_parse_packet0(p, &pkt);
2429			break;
2430		case PACKET_TYPE2:
2431			break;
2432		case PACKET_TYPE3:
2433			r = r600_packet3_check(p, &pkt);
2434			break;
2435		default:
2436			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
2437			free(p->track, DRM_MEM_DRIVER);
2438			p->track = NULL;
2439			return -EINVAL;
2440		}
2441		if (r) {
2442			free(p->track, DRM_MEM_DRIVER);
2443			p->track = NULL;
2444			return r;
2445		}
2446	} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
2447#if 0
2448	for (r = 0; r < p->ib.length_dw; r++) {
2449		DRM_INFO("%05d  0x%08X\n", r, p->ib.ptr[r]);
2450		DRM_MDELAY(1);
2451	}
2452#endif
2453	free(p->track, DRM_MEM_DRIVER);
2454	p->track = NULL;
2455	return 0;
2456}
2457
2458static int r600_cs_parser_relocs_legacy(struct radeon_cs_parser *p)
2459{
2460	if (p->chunk_relocs_idx == -1) {
2461		return 0;
2462	}
2463	p->relocs = malloc(sizeof(struct radeon_cs_reloc),
2464	    DRM_MEM_DRIVER, M_ZERO | M_WAITOK);
2465	if (p->relocs == NULL) {
2466		return -ENOMEM;
2467	}
2468	return 0;
2469}
2470
2471/**
2472 * cs_parser_fini() - clean parser states
2473 * @parser:	parser structure holding parsing context.
2474 * @error:	error number
2475 *
2476 * If error is set than unvalidate buffer, otherwise just free memory
2477 * used by parsing context.
2478 **/
2479static void r600_cs_parser_fini(struct radeon_cs_parser *parser, int error)
2480{
2481	unsigned i;
2482
2483	free(parser->relocs, DRM_MEM_DRIVER);
2484	for (i = 0; i < parser->nchunks; i++) {
2485		free(parser->chunks[i].kdata, DRM_MEM_DRIVER);
2486		if (parser->rdev && (parser->rdev->flags & RADEON_IS_AGP)) {
2487			free(parser->chunks[i].kpage[0], DRM_MEM_DRIVER);
2488			free(parser->chunks[i].kpage[1], DRM_MEM_DRIVER);
2489		}
2490	}
2491	free(parser->chunks, DRM_MEM_DRIVER);
2492	free(parser->chunks_array, DRM_MEM_DRIVER);
2493	free(parser->track, DRM_MEM_DRIVER);
2494}
2495
2496int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp,
2497			unsigned family, u32 *ib, int *l)
2498{
2499	struct radeon_cs_parser parser;
2500	struct radeon_cs_chunk *ib_chunk;
2501	struct r600_cs_track *track;
2502	int r;
2503
2504	/* initialize tracker */
2505	track = malloc(sizeof(*track), DRM_MEM_DRIVER, M_ZERO | M_WAITOK);
2506	if (track == NULL)
2507		return -ENOMEM;
2508	r600_cs_track_init(track);
2509	r600_cs_legacy_get_tiling_conf(dev, &track->npipes, &track->nbanks, &track->group_size);
2510	/* initialize parser */
2511	memset(&parser, 0, sizeof(struct radeon_cs_parser));
2512	parser.filp = filp;
2513	parser.dev = dev->device;
2514	parser.rdev = NULL;
2515	parser.family = family;
2516	parser.track = track;
2517	parser.ib.ptr = ib;
2518	r = radeon_cs_parser_init(&parser, data);
2519	if (r) {
2520		DRM_ERROR("Failed to initialize parser !\n");
2521		r600_cs_parser_fini(&parser, r);
2522		return r;
2523	}
2524	r = r600_cs_parser_relocs_legacy(&parser);
2525	if (r) {
2526		DRM_ERROR("Failed to parse relocation !\n");
2527		r600_cs_parser_fini(&parser, r);
2528		return r;
2529	}
2530	/* Copy the packet into the IB, the parser will read from the
2531	 * input memory (cached) and write to the IB (which can be
2532	 * uncached). */
2533	ib_chunk = &parser.chunks[parser.chunk_ib_idx];
2534	parser.ib.length_dw = ib_chunk->length_dw;
2535	*l = parser.ib.length_dw;
2536	r = r600_cs_parse(&parser);
2537	if (r) {
2538		DRM_ERROR("Invalid command stream !\n");
2539		r600_cs_parser_fini(&parser, r);
2540		return r;
2541	}
2542	r = radeon_cs_finish_pages(&parser);
2543	if (r) {
2544		DRM_ERROR("Invalid command stream !\n");
2545		r600_cs_parser_fini(&parser, r);
2546		return r;
2547	}
2548	r600_cs_parser_fini(&parser, r);
2549	return r;
2550}
2551
2552void r600_cs_legacy_init(void)
2553{
2554	r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_nomm;
2555}
2556
2557/*
2558 *  DMA
2559 */
2560/**
2561 * r600_dma_cs_next_reloc() - parse next reloc
2562 * @p:		parser structure holding parsing context.
2563 * @cs_reloc:		reloc informations
2564 *
2565 * Return the next reloc, do bo validation and compute
2566 * GPU offset using the provided start.
2567 **/
2568int r600_dma_cs_next_reloc(struct radeon_cs_parser *p,
2569			   struct radeon_cs_reloc **cs_reloc)
2570{
2571	struct radeon_cs_chunk *relocs_chunk;
2572	unsigned idx;
2573
2574	*cs_reloc = NULL;
2575	if (p->chunk_relocs_idx == -1) {
2576		DRM_ERROR("No relocation chunk !\n");
2577		return -EINVAL;
2578	}
2579	relocs_chunk = &p->chunks[p->chunk_relocs_idx];
2580	idx = p->dma_reloc_idx;
2581	if (idx >= p->nrelocs) {
2582		DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
2583			  idx, p->nrelocs);
2584		return -EINVAL;
2585	}
2586	*cs_reloc = p->relocs_ptr[idx];
2587	p->dma_reloc_idx++;
2588	return 0;
2589}
2590
2591#define GET_DMA_CMD(h) (((h) & 0xf0000000) >> 28)
2592#define GET_DMA_COUNT(h) ((h) & 0x0000ffff)
2593#define GET_DMA_T(h) (((h) & 0x00800000) >> 23)
2594
2595/**
2596 * r600_dma_cs_parse() - parse the DMA IB
2597 * @p:		parser structure holding parsing context.
2598 *
2599 * Parses the DMA IB from the CS ioctl and updates
2600 * the GPU addresses based on the reloc information and
2601 * checks for errors. (R6xx-R7xx)
2602 * Returns 0 for success and an error on failure.
2603 **/
2604int r600_dma_cs_parse(struct radeon_cs_parser *p)
2605{
2606	struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
2607	struct radeon_cs_reloc *src_reloc, *dst_reloc;
2608	u32 header, cmd, count, tiled;
2609	volatile u32 *ib = p->ib.ptr;
2610	u32 idx, idx_value;
2611	u64 src_offset, dst_offset;
2612	int r;
2613
2614	do {
2615		if (p->idx >= ib_chunk->length_dw) {
2616			DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
2617				  p->idx, ib_chunk->length_dw);
2618			return -EINVAL;
2619		}
2620		idx = p->idx;
2621		header = radeon_get_ib_value(p, idx);
2622		cmd = GET_DMA_CMD(header);
2623		count = GET_DMA_COUNT(header);
2624		tiled = GET_DMA_T(header);
2625
2626		switch (cmd) {
2627		case DMA_PACKET_WRITE:
2628			r = r600_dma_cs_next_reloc(p, &dst_reloc);
2629			if (r) {
2630				DRM_ERROR("bad DMA_PACKET_WRITE\n");
2631				return -EINVAL;
2632			}
2633			if (tiled) {
2634				dst_offset = radeon_get_ib_value(p, idx+1);
2635				dst_offset <<= 8;
2636
2637				ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8);
2638				p->idx += count + 5;
2639			} else {
2640				dst_offset = radeon_get_ib_value(p, idx+1);
2641				dst_offset |= ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2642
2643				ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2644				ib[idx+2] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
2645				p->idx += count + 3;
2646			}
2647			if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2648				dev_warn(p->dev, "DMA write buffer too small (%ju %lu)\n",
2649					 (uintmax_t)dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2650				return -EINVAL;
2651			}
2652			break;
2653		case DMA_PACKET_COPY:
2654			r = r600_dma_cs_next_reloc(p, &src_reloc);
2655			if (r) {
2656				DRM_ERROR("bad DMA_PACKET_COPY\n");
2657				return -EINVAL;
2658			}
2659			r = r600_dma_cs_next_reloc(p, &dst_reloc);
2660			if (r) {
2661				DRM_ERROR("bad DMA_PACKET_COPY\n");
2662				return -EINVAL;
2663			}
2664			if (tiled) {
2665				idx_value = radeon_get_ib_value(p, idx + 2);
2666				/* detile bit */
2667				if (idx_value & (1 << 31)) {
2668					/* tiled src, linear dst */
2669					src_offset = radeon_get_ib_value(p, idx+1);
2670					src_offset <<= 8;
2671					ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8);
2672
2673					dst_offset = radeon_get_ib_value(p, idx+5);
2674					dst_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
2675					ib[idx+5] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2676					ib[idx+6] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
2677				} else {
2678					/* linear src, tiled dst */
2679					src_offset = radeon_get_ib_value(p, idx+5);
2680					src_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
2681					ib[idx+5] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
2682					ib[idx+6] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
2683
2684					dst_offset = radeon_get_ib_value(p, idx+1);
2685					dst_offset <<= 8;
2686					ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8);
2687				}
2688				p->idx += 7;
2689			} else {
2690				if (p->family >= CHIP_RV770) {
2691					src_offset = radeon_get_ib_value(p, idx+2);
2692					src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2693					dst_offset = radeon_get_ib_value(p, idx+1);
2694					dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
2695
2696					ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2697					ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
2698					ib[idx+3] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
2699					ib[idx+4] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
2700					p->idx += 5;
2701				} else {
2702					src_offset = radeon_get_ib_value(p, idx+2);
2703					src_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
2704					dst_offset = radeon_get_ib_value(p, idx+1);
2705					dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff0000)) << 16;
2706
2707					ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2708					ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
2709					ib[idx+3] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
2710					ib[idx+3] += (upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff) << 16;
2711					p->idx += 4;
2712				}
2713			}
2714			if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
2715				dev_warn(p->dev, "DMA copy src buffer too small (%ju %lu)\n",
2716					 (uintmax_t)src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
2717				return -EINVAL;
2718			}
2719			if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2720				dev_warn(p->dev, "DMA write dst buffer too small (%ju %lu)\n",
2721					 (uintmax_t)dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2722				return -EINVAL;
2723			}
2724			break;
2725		case DMA_PACKET_CONSTANT_FILL:
2726			if (p->family < CHIP_RV770) {
2727				DRM_ERROR("Constant Fill is 7xx only !\n");
2728				return -EINVAL;
2729			}
2730			r = r600_dma_cs_next_reloc(p, &dst_reloc);
2731			if (r) {
2732				DRM_ERROR("bad DMA_PACKET_WRITE\n");
2733				return -EINVAL;
2734			}
2735			dst_offset = radeon_get_ib_value(p, idx+1);
2736			dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0x00ff0000)) << 16;
2737			if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2738				dev_warn(p->dev, "DMA constant fill buffer too small (%ju %lu)\n",
2739					 (uintmax_t)dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2740				return -EINVAL;
2741			}
2742			ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2743			ib[idx+3] += (upper_32_bits(dst_reloc->lobj.gpu_offset) << 16) & 0x00ff0000;
2744			p->idx += 4;
2745			break;
2746		case DMA_PACKET_NOP:
2747			p->idx += 1;
2748			break;
2749		default:
2750			DRM_ERROR("Unknown packet type %d at %d !\n", cmd, idx);
2751			return -EINVAL;
2752		}
2753	} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
2754#if 0
2755	for (r = 0; r < p->ib->length_dw; r++) {
2756		DRM_INFO("%05d  0x%08X\n", r, p->ib.ptr[r]);
2757		DRM_MDELAY(1);
2758	}
2759#endif
2760	return 0;
2761}
2762