Commit | Line | Data |
---|---|---|
771fe6b9 JG |
1 | /* |
2 | * Copyright 2008 Jerome Glisse. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |
6 | * copy of this software and associated documentation files (the "Software"), | |
7 | * to deal in the Software without restriction, including without limitation | |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
9 | * and/or sell copies of the Software, and to permit persons to whom the | |
10 | * Software is furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice (including the next | |
13 | * paragraph) shall be included in all copies or substantial portions of the | |
14 | * 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 | * PRECISION INSIGHT AND/OR ITS SUPPLIERS 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 OTHER | |
22 | * DEALINGS IN THE SOFTWARE. | |
23 | * | |
24 | * Authors: | |
25 | * Jerome Glisse <glisse@freedesktop.org> | |
26 | */ | |
4330441a | 27 | #include <linux/list_sort.h> |
760285e7 DH |
28 | #include <drm/drmP.h> |
29 | #include <drm/radeon_drm.h> | |
771fe6b9 JG |
30 | #include "radeon_reg.h" |
31 | #include "radeon.h" | |
860024e5 | 32 | #include "radeon_trace.h" |
771fe6b9 | 33 | |
c9b76548 MO |
34 | #define RADEON_CS_MAX_PRIORITY 32u |
35 | #define RADEON_CS_NUM_BUCKETS (RADEON_CS_MAX_PRIORITY + 1) | |
36 | ||
37 | /* This is based on the bucket sort with O(n) time complexity. | |
38 | * An item with priority "i" is added to bucket[i]. The lists are then | |
39 | * concatenated in descending order. | |
40 | */ | |
41 | struct radeon_cs_buckets { | |
42 | struct list_head bucket[RADEON_CS_NUM_BUCKETS]; | |
43 | }; | |
44 | ||
45 | static void radeon_cs_buckets_init(struct radeon_cs_buckets *b) | |
46 | { | |
47 | unsigned i; | |
48 | ||
49 | for (i = 0; i < RADEON_CS_NUM_BUCKETS; i++) | |
50 | INIT_LIST_HEAD(&b->bucket[i]); | |
51 | } | |
52 | ||
53 | static void radeon_cs_buckets_add(struct radeon_cs_buckets *b, | |
54 | struct list_head *item, unsigned priority) | |
55 | { | |
56 | /* Since buffers which appear sooner in the relocation list are | |
57 | * likely to be used more often than buffers which appear later | |
58 | * in the list, the sort mustn't change the ordering of buffers | |
59 | * with the same priority, i.e. it must be stable. | |
60 | */ | |
61 | list_add_tail(item, &b->bucket[min(priority, RADEON_CS_MAX_PRIORITY)]); | |
62 | } | |
63 | ||
64 | static void radeon_cs_buckets_get_list(struct radeon_cs_buckets *b, | |
65 | struct list_head *out_list) | |
66 | { | |
67 | unsigned i; | |
68 | ||
69 | /* Connect the sorted buckets in the output list. */ | |
70 | for (i = 0; i < RADEON_CS_NUM_BUCKETS; i++) { | |
71 | list_splice(&b->bucket[i], out_list); | |
72 | } | |
73 | } | |
74 | ||
1109ca09 | 75 | static int radeon_cs_parser_relocs(struct radeon_cs_parser *p) |
771fe6b9 JG |
76 | { |
77 | struct drm_device *ddev = p->rdev->ddev; | |
78 | struct radeon_cs_chunk *chunk; | |
c9b76548 | 79 | struct radeon_cs_buckets buckets; |
771fe6b9 JG |
80 | unsigned i, j; |
81 | bool duplicate; | |
82 | ||
83 | if (p->chunk_relocs_idx == -1) { | |
84 | return 0; | |
85 | } | |
86 | chunk = &p->chunks[p->chunk_relocs_idx]; | |
cf4ccd01 | 87 | p->dma_reloc_idx = 0; |
771fe6b9 JG |
88 | /* FIXME: we assume that each relocs use 4 dwords */ |
89 | p->nrelocs = chunk->length_dw / 4; | |
90 | p->relocs_ptr = kcalloc(p->nrelocs, sizeof(void *), GFP_KERNEL); | |
91 | if (p->relocs_ptr == NULL) { | |
92 | return -ENOMEM; | |
93 | } | |
94 | p->relocs = kcalloc(p->nrelocs, sizeof(struct radeon_cs_reloc), GFP_KERNEL); | |
95 | if (p->relocs == NULL) { | |
96 | return -ENOMEM; | |
97 | } | |
c9b76548 MO |
98 | |
99 | radeon_cs_buckets_init(&buckets); | |
100 | ||
771fe6b9 JG |
101 | for (i = 0; i < p->nrelocs; i++) { |
102 | struct drm_radeon_cs_reloc *r; | |
c9b76548 | 103 | unsigned priority; |
771fe6b9 JG |
104 | |
105 | duplicate = false; | |
106 | r = (struct drm_radeon_cs_reloc *)&chunk->kdata[i*4]; | |
16557f1e | 107 | for (j = 0; j < i; j++) { |
771fe6b9 JG |
108 | if (r->handle == p->relocs[j].handle) { |
109 | p->relocs_ptr[i] = &p->relocs[j]; | |
110 | duplicate = true; | |
111 | break; | |
112 | } | |
113 | } | |
4474f3a9 | 114 | if (duplicate) { |
16557f1e | 115 | p->relocs[i].handle = 0; |
4474f3a9 CK |
116 | continue; |
117 | } | |
118 | ||
119 | p->relocs[i].gobj = drm_gem_object_lookup(ddev, p->filp, | |
120 | r->handle); | |
121 | if (p->relocs[i].gobj == NULL) { | |
122 | DRM_ERROR("gem object lookup failed 0x%x\n", | |
123 | r->handle); | |
124 | return -ENOENT; | |
125 | } | |
126 | p->relocs_ptr[i] = &p->relocs[i]; | |
127 | p->relocs[i].robj = gem_to_radeon_bo(p->relocs[i].gobj); | |
c9b76548 MO |
128 | |
129 | /* The userspace buffer priorities are from 0 to 15. A higher | |
130 | * number means the buffer is more important. | |
131 | * Also, the buffers used for write have a higher priority than | |
132 | * the buffers used for read only, which doubles the range | |
133 | * to 0 to 31. 32 is reserved for the kernel driver. | |
134 | */ | |
135 | priority = (r->flags & 0xf) * 2 + !!r->write_domain; | |
4474f3a9 | 136 | |
4f66c599 CK |
137 | /* the first reloc of an UVD job is the msg and that must be in |
138 | VRAM, also but everything into VRAM on AGP cards to avoid | |
139 | image corruptions */ | |
140 | if (p->ring == R600_RING_TYPE_UVD_INDEX && | |
4ca5a6cb | 141 | (i == 0 || drm_pci_device_is_agp(p->rdev->ddev))) { |
bcf6f1e9 | 142 | /* TODO: is this still needed for NI+ ? */ |
ce6758c8 | 143 | p->relocs[i].prefered_domains = |
f2ba57b5 CK |
144 | RADEON_GEM_DOMAIN_VRAM; |
145 | ||
ce6758c8 | 146 | p->relocs[i].allowed_domains = |
f2ba57b5 CK |
147 | RADEON_GEM_DOMAIN_VRAM; |
148 | ||
c9b76548 MO |
149 | /* prioritize this over any other relocation */ |
150 | priority = RADEON_CS_MAX_PRIORITY; | |
f2ba57b5 CK |
151 | } else { |
152 | uint32_t domain = r->write_domain ? | |
153 | r->write_domain : r->read_domains; | |
154 | ||
ec65da38 MO |
155 | if (domain & RADEON_GEM_DOMAIN_CPU) { |
156 | DRM_ERROR("RADEON_GEM_DOMAIN_CPU is not valid " | |
157 | "for command submission\n"); | |
158 | return -EINVAL; | |
159 | } | |
160 | ||
ce6758c8 | 161 | p->relocs[i].prefered_domains = domain; |
f2ba57b5 CK |
162 | if (domain == RADEON_GEM_DOMAIN_VRAM) |
163 | domain |= RADEON_GEM_DOMAIN_GTT; | |
ce6758c8 | 164 | p->relocs[i].allowed_domains = domain; |
f2ba57b5 | 165 | } |
4474f3a9 | 166 | |
df0af440 | 167 | p->relocs[i].tv.bo = &p->relocs[i].robj->tbo; |
4474f3a9 CK |
168 | p->relocs[i].handle = r->handle; |
169 | ||
df0af440 | 170 | radeon_cs_buckets_add(&buckets, &p->relocs[i].tv.head, |
c9b76548 | 171 | priority); |
771fe6b9 | 172 | } |
c9b76548 MO |
173 | |
174 | radeon_cs_buckets_get_list(&buckets, &p->validated); | |
175 | ||
6d2f2944 CK |
176 | if (p->cs_flags & RADEON_CS_USE_VM) |
177 | p->vm_bos = radeon_vm_get_bos(p->rdev, p->ib.vm, | |
178 | &p->validated); | |
179 | ||
19dff56a | 180 | return radeon_bo_list_validate(p->rdev, &p->ticket, &p->validated, p->ring); |
771fe6b9 JG |
181 | } |
182 | ||
721604a1 JG |
183 | static int radeon_cs_get_ring(struct radeon_cs_parser *p, u32 ring, s32 priority) |
184 | { | |
185 | p->priority = priority; | |
186 | ||
187 | switch (ring) { | |
188 | default: | |
189 | DRM_ERROR("unknown ring id: %d\n", ring); | |
190 | return -EINVAL; | |
191 | case RADEON_CS_RING_GFX: | |
192 | p->ring = RADEON_RING_TYPE_GFX_INDEX; | |
193 | break; | |
194 | case RADEON_CS_RING_COMPUTE: | |
963e81f9 | 195 | if (p->rdev->family >= CHIP_TAHITI) { |
8d5ef7b1 AD |
196 | if (p->priority > 0) |
197 | p->ring = CAYMAN_RING_TYPE_CP1_INDEX; | |
198 | else | |
199 | p->ring = CAYMAN_RING_TYPE_CP2_INDEX; | |
200 | } else | |
201 | p->ring = RADEON_RING_TYPE_GFX_INDEX; | |
721604a1 | 202 | break; |
278a334c AD |
203 | case RADEON_CS_RING_DMA: |
204 | if (p->rdev->family >= CHIP_CAYMAN) { | |
205 | if (p->priority > 0) | |
206 | p->ring = R600_RING_TYPE_DMA_INDEX; | |
207 | else | |
208 | p->ring = CAYMAN_RING_TYPE_DMA1_INDEX; | |
b9ace36f | 209 | } else if (p->rdev->family >= CHIP_RV770) { |
278a334c AD |
210 | p->ring = R600_RING_TYPE_DMA_INDEX; |
211 | } else { | |
212 | return -EINVAL; | |
213 | } | |
214 | break; | |
f2ba57b5 CK |
215 | case RADEON_CS_RING_UVD: |
216 | p->ring = R600_RING_TYPE_UVD_INDEX; | |
217 | break; | |
d93f7937 CK |
218 | case RADEON_CS_RING_VCE: |
219 | /* TODO: only use the low priority ring for now */ | |
220 | p->ring = TN_RING_TYPE_VCE1_INDEX; | |
221 | break; | |
721604a1 JG |
222 | } |
223 | return 0; | |
224 | } | |
225 | ||
220907d9 | 226 | static void radeon_cs_sync_rings(struct radeon_cs_parser *p) |
93504fce | 227 | { |
220907d9 | 228 | int i; |
93504fce | 229 | |
cdac5504 | 230 | for (i = 0; i < p->nrelocs; i++) { |
f82cbddd | 231 | if (!p->relocs[i].robj) |
cdac5504 CK |
232 | continue; |
233 | ||
1654b817 CK |
234 | radeon_semaphore_sync_to(p->ib.semaphore, |
235 | p->relocs[i].robj->tbo.sync_obj); | |
8f676c4c | 236 | } |
93504fce CK |
237 | } |
238 | ||
9b00147d | 239 | /* XXX: note that this is called from the legacy UMS CS ioctl as well */ |
771fe6b9 JG |
240 | int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) |
241 | { | |
242 | struct drm_radeon_cs *cs = data; | |
243 | uint64_t *chunk_array_ptr; | |
721604a1 JG |
244 | unsigned size, i; |
245 | u32 ring = RADEON_CS_RING_GFX; | |
246 | s32 priority = 0; | |
771fe6b9 JG |
247 | |
248 | if (!cs->num_chunks) { | |
249 | return 0; | |
250 | } | |
251 | /* get chunks */ | |
252 | INIT_LIST_HEAD(&p->validated); | |
253 | p->idx = 0; | |
f2e39221 JG |
254 | p->ib.sa_bo = NULL; |
255 | p->ib.semaphore = NULL; | |
256 | p->const_ib.sa_bo = NULL; | |
257 | p->const_ib.semaphore = NULL; | |
771fe6b9 JG |
258 | p->chunk_ib_idx = -1; |
259 | p->chunk_relocs_idx = -1; | |
721604a1 | 260 | p->chunk_flags_idx = -1; |
dfcf5f36 | 261 | p->chunk_const_ib_idx = -1; |
771fe6b9 JG |
262 | p->chunks_array = kcalloc(cs->num_chunks, sizeof(uint64_t), GFP_KERNEL); |
263 | if (p->chunks_array == NULL) { | |
264 | return -ENOMEM; | |
265 | } | |
266 | chunk_array_ptr = (uint64_t *)(unsigned long)(cs->chunks); | |
1d6ac185 | 267 | if (copy_from_user(p->chunks_array, chunk_array_ptr, |
771fe6b9 JG |
268 | sizeof(uint64_t)*cs->num_chunks)) { |
269 | return -EFAULT; | |
270 | } | |
721604a1 | 271 | p->cs_flags = 0; |
771fe6b9 JG |
272 | p->nchunks = cs->num_chunks; |
273 | p->chunks = kcalloc(p->nchunks, sizeof(struct radeon_cs_chunk), GFP_KERNEL); | |
274 | if (p->chunks == NULL) { | |
275 | return -ENOMEM; | |
276 | } | |
277 | for (i = 0; i < p->nchunks; i++) { | |
278 | struct drm_radeon_cs_chunk __user **chunk_ptr = NULL; | |
279 | struct drm_radeon_cs_chunk user_chunk; | |
280 | uint32_t __user *cdata; | |
281 | ||
282 | chunk_ptr = (void __user*)(unsigned long)p->chunks_array[i]; | |
1d6ac185 | 283 | if (copy_from_user(&user_chunk, chunk_ptr, |
771fe6b9 JG |
284 | sizeof(struct drm_radeon_cs_chunk))) { |
285 | return -EFAULT; | |
286 | } | |
5176fdc4 | 287 | p->chunks[i].length_dw = user_chunk.length_dw; |
771fe6b9 JG |
288 | p->chunks[i].chunk_id = user_chunk.chunk_id; |
289 | if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_RELOCS) { | |
290 | p->chunk_relocs_idx = i; | |
291 | } | |
292 | if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_IB) { | |
293 | p->chunk_ib_idx = i; | |
5176fdc4 DA |
294 | /* zero length IB isn't useful */ |
295 | if (p->chunks[i].length_dw == 0) | |
296 | return -EINVAL; | |
771fe6b9 | 297 | } |
dfcf5f36 AD |
298 | if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_CONST_IB) { |
299 | p->chunk_const_ib_idx = i; | |
300 | /* zero length CONST IB isn't useful */ | |
301 | if (p->chunks[i].length_dw == 0) | |
302 | return -EINVAL; | |
303 | } | |
721604a1 JG |
304 | if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS) { |
305 | p->chunk_flags_idx = i; | |
306 | /* zero length flags aren't useful */ | |
307 | if (p->chunks[i].length_dw == 0) | |
308 | return -EINVAL; | |
e70f224c | 309 | } |
5176fdc4 | 310 | |
28a326c5 ML |
311 | size = p->chunks[i].length_dw; |
312 | cdata = (void __user *)(unsigned long)user_chunk.chunk_data; | |
313 | p->chunks[i].user_ptr = cdata; | |
314 | if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_CONST_IB) | |
315 | continue; | |
316 | ||
317 | if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_IB) { | |
318 | if (!p->rdev || !(p->rdev->flags & RADEON_IS_AGP)) | |
319 | continue; | |
320 | } | |
321 | ||
322 | p->chunks[i].kdata = drm_malloc_ab(size, sizeof(uint32_t)); | |
323 | size *= sizeof(uint32_t); | |
324 | if (p->chunks[i].kdata == NULL) { | |
325 | return -ENOMEM; | |
326 | } | |
1d6ac185 | 327 | if (copy_from_user(p->chunks[i].kdata, cdata, size)) { |
28a326c5 ML |
328 | return -EFAULT; |
329 | } | |
330 | if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS) { | |
331 | p->cs_flags = p->chunks[i].kdata[0]; | |
332 | if (p->chunks[i].length_dw > 1) | |
333 | ring = p->chunks[i].kdata[1]; | |
334 | if (p->chunks[i].length_dw > 2) | |
335 | priority = (s32)p->chunks[i].kdata[2]; | |
771fe6b9 JG |
336 | } |
337 | } | |
721604a1 | 338 | |
9b00147d AD |
339 | /* these are KMS only */ |
340 | if (p->rdev) { | |
341 | if ((p->cs_flags & RADEON_CS_USE_VM) && | |
342 | !p->rdev->vm_manager.enabled) { | |
343 | DRM_ERROR("VM not active on asic!\n"); | |
344 | return -EINVAL; | |
345 | } | |
1b5475db | 346 | |
57449040 | 347 | if (radeon_cs_get_ring(p, ring, priority)) |
9b00147d | 348 | return -EINVAL; |
721604a1 | 349 | |
57449040 | 350 | /* we only support VM on some SI+ rings */ |
60a44540 CK |
351 | if ((p->cs_flags & RADEON_CS_USE_VM) == 0) { |
352 | if (p->rdev->asic->ring[p->ring]->cs_parse == NULL) { | |
353 | DRM_ERROR("Ring %d requires VM!\n", p->ring); | |
354 | return -EINVAL; | |
355 | } | |
356 | } else { | |
357 | if (p->rdev->asic->ring[p->ring]->ib_parse == NULL) { | |
358 | DRM_ERROR("VM not supported on ring %d!\n", | |
359 | p->ring); | |
360 | return -EINVAL; | |
361 | } | |
57449040 | 362 | } |
9b00147d | 363 | } |
721604a1 | 364 | |
771fe6b9 JG |
365 | return 0; |
366 | } | |
367 | ||
4330441a MO |
368 | static int cmp_size_smaller_first(void *priv, struct list_head *a, |
369 | struct list_head *b) | |
370 | { | |
df0af440 CK |
371 | struct radeon_cs_reloc *la = list_entry(a, struct radeon_cs_reloc, tv.head); |
372 | struct radeon_cs_reloc *lb = list_entry(b, struct radeon_cs_reloc, tv.head); | |
4330441a MO |
373 | |
374 | /* Sort A before B if A is smaller. */ | |
df0af440 | 375 | return (int)la->robj->tbo.num_pages - (int)lb->robj->tbo.num_pages; |
4330441a MO |
376 | } |
377 | ||
771fe6b9 JG |
378 | /** |
379 | * cs_parser_fini() - clean parser states | |
380 | * @parser: parser structure holding parsing context. | |
381 | * @error: error number | |
382 | * | |
383 | * If error is set than unvalidate buffer, otherwise just free memory | |
384 | * used by parsing context. | |
385 | **/ | |
ecff665f | 386 | static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error, bool backoff) |
771fe6b9 JG |
387 | { |
388 | unsigned i; | |
389 | ||
e43b5ec0 | 390 | if (!error) { |
4330441a MO |
391 | /* Sort the buffer list from the smallest to largest buffer, |
392 | * which affects the order of buffers in the LRU list. | |
393 | * This assures that the smallest buffers are added first | |
394 | * to the LRU list, so they are likely to be later evicted | |
395 | * first, instead of large buffers whose eviction is more | |
396 | * expensive. | |
397 | * | |
398 | * This slightly lowers the number of bytes moved by TTM | |
399 | * per frame under memory pressure. | |
400 | */ | |
401 | list_sort(NULL, &parser->validated, cmp_size_smaller_first); | |
402 | ||
ecff665f ML |
403 | ttm_eu_fence_buffer_objects(&parser->ticket, |
404 | &parser->validated, | |
f2e39221 | 405 | parser->ib.fence); |
ecff665f ML |
406 | } else if (backoff) { |
407 | ttm_eu_backoff_reservation(&parser->ticket, | |
408 | &parser->validated); | |
e43b5ec0 | 409 | } |
147666fb | 410 | |
fcbc451b PN |
411 | if (parser->relocs != NULL) { |
412 | for (i = 0; i < parser->nrelocs; i++) { | |
413 | if (parser->relocs[i].gobj) | |
414 | drm_gem_object_unreference_unlocked(parser->relocs[i].gobj); | |
415 | } | |
771fe6b9 | 416 | } |
48e113e5 | 417 | kfree(parser->track); |
771fe6b9 JG |
418 | kfree(parser->relocs); |
419 | kfree(parser->relocs_ptr); | |
6d2f2944 | 420 | kfree(parser->vm_bos); |
28a326c5 ML |
421 | for (i = 0; i < parser->nchunks; i++) |
422 | drm_free_large(parser->chunks[i].kdata); | |
771fe6b9 JG |
423 | kfree(parser->chunks); |
424 | kfree(parser->chunks_array); | |
425 | radeon_ib_free(parser->rdev, &parser->ib); | |
f2e39221 | 426 | radeon_ib_free(parser->rdev, &parser->const_ib); |
771fe6b9 JG |
427 | } |
428 | ||
721604a1 JG |
429 | static int radeon_cs_ib_chunk(struct radeon_device *rdev, |
430 | struct radeon_cs_parser *parser) | |
431 | { | |
721604a1 JG |
432 | int r; |
433 | ||
434 | if (parser->chunk_ib_idx == -1) | |
435 | return 0; | |
436 | ||
437 | if (parser->cs_flags & RADEON_CS_USE_VM) | |
438 | return 0; | |
439 | ||
eb0c19c5 | 440 | r = radeon_cs_parse(rdev, parser->ring, parser); |
721604a1 JG |
441 | if (r || parser->parser_error) { |
442 | DRM_ERROR("Invalid command stream !\n"); | |
443 | return r; | |
444 | } | |
ce3537d5 AD |
445 | |
446 | if (parser->ring == R600_RING_TYPE_UVD_INDEX) | |
447 | radeon_uvd_note_usage(rdev); | |
03afe6f6 AD |
448 | else if ((parser->ring == TN_RING_TYPE_VCE1_INDEX) || |
449 | (parser->ring == TN_RING_TYPE_VCE2_INDEX)) | |
450 | radeon_vce_note_usage(rdev); | |
ce3537d5 | 451 | |
220907d9 | 452 | radeon_cs_sync_rings(parser); |
4ef72566 | 453 | r = radeon_ib_schedule(rdev, &parser->ib, NULL); |
721604a1 JG |
454 | if (r) { |
455 | DRM_ERROR("Failed to schedule IB !\n"); | |
456 | } | |
93bf888c | 457 | return r; |
721604a1 JG |
458 | } |
459 | ||
6d2f2944 | 460 | static int radeon_bo_vm_update_pte(struct radeon_cs_parser *p, |
721604a1 JG |
461 | struct radeon_vm *vm) |
462 | { | |
6d2f2944 | 463 | struct radeon_device *rdev = p->rdev; |
036bf46a | 464 | struct radeon_bo_va *bo_va; |
6d2f2944 | 465 | int i, r; |
721604a1 | 466 | |
6d2f2944 CK |
467 | r = radeon_vm_update_page_directory(rdev, vm); |
468 | if (r) | |
3e8970f9 | 469 | return r; |
6d2f2944 | 470 | |
036bf46a CK |
471 | r = radeon_vm_clear_freed(rdev, vm); |
472 | if (r) | |
473 | return r; | |
474 | ||
cc9e67e3 | 475 | if (vm->ib_bo_va == NULL) { |
036bf46a CK |
476 | DRM_ERROR("Tmp BO not in VM!\n"); |
477 | return -EINVAL; | |
478 | } | |
479 | ||
cc9e67e3 CK |
480 | r = radeon_vm_bo_update(rdev, vm->ib_bo_va, |
481 | &rdev->ring_tmp_bo.bo->tbo.mem); | |
6d2f2944 CK |
482 | if (r) |
483 | return r; | |
484 | ||
485 | for (i = 0; i < p->nrelocs; i++) { | |
486 | struct radeon_bo *bo; | |
487 | ||
488 | /* ignore duplicates */ | |
489 | if (p->relocs_ptr[i] != &p->relocs[i]) | |
490 | continue; | |
491 | ||
492 | bo = p->relocs[i].robj; | |
036bf46a CK |
493 | bo_va = radeon_vm_bo_find(vm, bo); |
494 | if (bo_va == NULL) { | |
495 | dev_err(rdev->dev, "bo %p not in vm %p\n", bo, vm); | |
496 | return -EINVAL; | |
497 | } | |
498 | ||
499 | r = radeon_vm_bo_update(rdev, bo_va, &bo->tbo.mem); | |
6d2f2944 | 500 | if (r) |
721604a1 | 501 | return r; |
721604a1 | 502 | } |
e31ad969 CK |
503 | |
504 | return radeon_vm_clear_invalids(rdev, vm); | |
721604a1 JG |
505 | } |
506 | ||
507 | static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev, | |
508 | struct radeon_cs_parser *parser) | |
509 | { | |
721604a1 JG |
510 | struct radeon_fpriv *fpriv = parser->filp->driver_priv; |
511 | struct radeon_vm *vm = &fpriv->vm; | |
512 | int r; | |
513 | ||
514 | if (parser->chunk_ib_idx == -1) | |
515 | return 0; | |
721604a1 JG |
516 | if ((parser->cs_flags & RADEON_CS_USE_VM) == 0) |
517 | return 0; | |
518 | ||
28a326c5 | 519 | if (parser->const_ib.length_dw) { |
f2e39221 | 520 | r = radeon_ring_ib_parse(rdev, parser->ring, &parser->const_ib); |
dfcf5f36 AD |
521 | if (r) { |
522 | return r; | |
523 | } | |
524 | } | |
525 | ||
f2e39221 | 526 | r = radeon_ring_ib_parse(rdev, parser->ring, &parser->ib); |
721604a1 JG |
527 | if (r) { |
528 | return r; | |
529 | } | |
530 | ||
ce3537d5 AD |
531 | if (parser->ring == R600_RING_TYPE_UVD_INDEX) |
532 | radeon_uvd_note_usage(rdev); | |
533 | ||
721604a1 | 534 | mutex_lock(&vm->mutex); |
721604a1 JG |
535 | r = radeon_bo_vm_update_pte(parser, vm); |
536 | if (r) { | |
537 | goto out; | |
538 | } | |
220907d9 | 539 | radeon_cs_sync_rings(parser); |
1654b817 | 540 | radeon_semaphore_sync_to(parser->ib.semaphore, vm->fence); |
4ef72566 | 541 | |
dfcf5f36 AD |
542 | if ((rdev->family >= CHIP_TAHITI) && |
543 | (parser->chunk_const_ib_idx != -1)) { | |
4ef72566 CK |
544 | r = radeon_ib_schedule(rdev, &parser->ib, &parser->const_ib); |
545 | } else { | |
546 | r = radeon_ib_schedule(rdev, &parser->ib, NULL); | |
dfcf5f36 AD |
547 | } |
548 | ||
ee60e29f | 549 | out: |
36ff39c4 | 550 | mutex_unlock(&vm->mutex); |
721604a1 JG |
551 | return r; |
552 | } | |
553 | ||
6c6f4783 CK |
554 | static int radeon_cs_handle_lockup(struct radeon_device *rdev, int r) |
555 | { | |
556 | if (r == -EDEADLK) { | |
557 | r = radeon_gpu_reset(rdev); | |
558 | if (!r) | |
559 | r = -EAGAIN; | |
560 | } | |
561 | return r; | |
562 | } | |
563 | ||
28a326c5 ML |
564 | static int radeon_cs_ib_fill(struct radeon_device *rdev, struct radeon_cs_parser *parser) |
565 | { | |
566 | struct radeon_cs_chunk *ib_chunk; | |
567 | struct radeon_vm *vm = NULL; | |
568 | int r; | |
569 | ||
570 | if (parser->chunk_ib_idx == -1) | |
571 | return 0; | |
572 | ||
573 | if (parser->cs_flags & RADEON_CS_USE_VM) { | |
574 | struct radeon_fpriv *fpriv = parser->filp->driver_priv; | |
575 | vm = &fpriv->vm; | |
576 | ||
577 | if ((rdev->family >= CHIP_TAHITI) && | |
578 | (parser->chunk_const_ib_idx != -1)) { | |
579 | ib_chunk = &parser->chunks[parser->chunk_const_ib_idx]; | |
580 | if (ib_chunk->length_dw > RADEON_IB_VM_MAX_SIZE) { | |
581 | DRM_ERROR("cs IB CONST too big: %d\n", ib_chunk->length_dw); | |
582 | return -EINVAL; | |
583 | } | |
584 | r = radeon_ib_get(rdev, parser->ring, &parser->const_ib, | |
585 | vm, ib_chunk->length_dw * 4); | |
586 | if (r) { | |
587 | DRM_ERROR("Failed to get const ib !\n"); | |
588 | return r; | |
589 | } | |
590 | parser->const_ib.is_const_ib = true; | |
591 | parser->const_ib.length_dw = ib_chunk->length_dw; | |
1d6ac185 | 592 | if (copy_from_user(parser->const_ib.ptr, |
28a326c5 ML |
593 | ib_chunk->user_ptr, |
594 | ib_chunk->length_dw * 4)) | |
595 | return -EFAULT; | |
596 | } | |
597 | ||
598 | ib_chunk = &parser->chunks[parser->chunk_ib_idx]; | |
599 | if (ib_chunk->length_dw > RADEON_IB_VM_MAX_SIZE) { | |
600 | DRM_ERROR("cs IB too big: %d\n", ib_chunk->length_dw); | |
601 | return -EINVAL; | |
602 | } | |
603 | } | |
604 | ib_chunk = &parser->chunks[parser->chunk_ib_idx]; | |
605 | ||
606 | r = radeon_ib_get(rdev, parser->ring, &parser->ib, | |
607 | vm, ib_chunk->length_dw * 4); | |
608 | if (r) { | |
609 | DRM_ERROR("Failed to get ib !\n"); | |
610 | return r; | |
611 | } | |
612 | parser->ib.length_dw = ib_chunk->length_dw; | |
613 | if (ib_chunk->kdata) | |
614 | memcpy(parser->ib.ptr, ib_chunk->kdata, ib_chunk->length_dw * 4); | |
1d6ac185 | 615 | else if (copy_from_user(parser->ib.ptr, ib_chunk->user_ptr, ib_chunk->length_dw * 4)) |
28a326c5 ML |
616 | return -EFAULT; |
617 | return 0; | |
618 | } | |
619 | ||
771fe6b9 JG |
620 | int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) |
621 | { | |
622 | struct radeon_device *rdev = dev->dev_private; | |
623 | struct radeon_cs_parser parser; | |
771fe6b9 JG |
624 | int r; |
625 | ||
dee53e7f | 626 | down_read(&rdev->exclusive_lock); |
6b7746e8 | 627 | if (!rdev->accel_working) { |
dee53e7f | 628 | up_read(&rdev->exclusive_lock); |
6b7746e8 JG |
629 | return -EBUSY; |
630 | } | |
771fe6b9 JG |
631 | /* initialize parser */ |
632 | memset(&parser, 0, sizeof(struct radeon_cs_parser)); | |
633 | parser.filp = filp; | |
634 | parser.rdev = rdev; | |
c8c15ff1 | 635 | parser.dev = rdev->dev; |
428c6e36 | 636 | parser.family = rdev->family; |
771fe6b9 JG |
637 | r = radeon_cs_parser_init(&parser, data); |
638 | if (r) { | |
639 | DRM_ERROR("Failed to initialize parser !\n"); | |
ecff665f | 640 | radeon_cs_parser_fini(&parser, r, false); |
dee53e7f | 641 | up_read(&rdev->exclusive_lock); |
6c6f4783 | 642 | r = radeon_cs_handle_lockup(rdev, r); |
771fe6b9 JG |
643 | return r; |
644 | } | |
28a326c5 ML |
645 | |
646 | r = radeon_cs_ib_fill(rdev, &parser); | |
647 | if (!r) { | |
648 | r = radeon_cs_parser_relocs(&parser); | |
649 | if (r && r != -ERESTARTSYS) | |
97f23b3d | 650 | DRM_ERROR("Failed to parse relocation %d!\n", r); |
28a326c5 ML |
651 | } |
652 | ||
653 | if (r) { | |
ecff665f | 654 | radeon_cs_parser_fini(&parser, r, false); |
dee53e7f | 655 | up_read(&rdev->exclusive_lock); |
6c6f4783 | 656 | r = radeon_cs_handle_lockup(rdev, r); |
771fe6b9 JG |
657 | return r; |
658 | } | |
55b51c88 | 659 | |
860024e5 CK |
660 | trace_radeon_cs(&parser); |
661 | ||
721604a1 | 662 | r = radeon_cs_ib_chunk(rdev, &parser); |
771fe6b9 | 663 | if (r) { |
721604a1 | 664 | goto out; |
771fe6b9 | 665 | } |
721604a1 | 666 | r = radeon_cs_ib_vm_chunk(rdev, &parser); |
771fe6b9 | 667 | if (r) { |
721604a1 | 668 | goto out; |
771fe6b9 | 669 | } |
721604a1 | 670 | out: |
ecff665f | 671 | radeon_cs_parser_fini(&parser, r, true); |
dee53e7f | 672 | up_read(&rdev->exclusive_lock); |
6c6f4783 | 673 | r = radeon_cs_handle_lockup(rdev, r); |
771fe6b9 JG |
674 | return r; |
675 | } | |
513bcb46 | 676 | |
4db01311 IH |
677 | /** |
678 | * radeon_cs_packet_parse() - parse cp packet and point ib index to next packet | |
679 | * @parser: parser structure holding parsing context. | |
680 | * @pkt: where to store packet information | |
681 | * | |
682 | * Assume that chunk_ib_index is properly set. Will return -EINVAL | |
683 | * if packet is bigger than remaining ib size. or if packets is unknown. | |
684 | **/ | |
685 | int radeon_cs_packet_parse(struct radeon_cs_parser *p, | |
686 | struct radeon_cs_packet *pkt, | |
687 | unsigned idx) | |
688 | { | |
689 | struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx]; | |
690 | struct radeon_device *rdev = p->rdev; | |
691 | uint32_t header; | |
692 | ||
693 | if (idx >= ib_chunk->length_dw) { | |
694 | DRM_ERROR("Can not parse packet at %d after CS end %d !\n", | |
695 | idx, ib_chunk->length_dw); | |
696 | return -EINVAL; | |
697 | } | |
698 | header = radeon_get_ib_value(p, idx); | |
699 | pkt->idx = idx; | |
700 | pkt->type = RADEON_CP_PACKET_GET_TYPE(header); | |
701 | pkt->count = RADEON_CP_PACKET_GET_COUNT(header); | |
702 | pkt->one_reg_wr = 0; | |
703 | switch (pkt->type) { | |
704 | case RADEON_PACKET_TYPE0: | |
705 | if (rdev->family < CHIP_R600) { | |
706 | pkt->reg = R100_CP_PACKET0_GET_REG(header); | |
707 | pkt->one_reg_wr = | |
708 | RADEON_CP_PACKET0_GET_ONE_REG_WR(header); | |
709 | } else | |
710 | pkt->reg = R600_CP_PACKET0_GET_REG(header); | |
711 | break; | |
712 | case RADEON_PACKET_TYPE3: | |
713 | pkt->opcode = RADEON_CP_PACKET3_GET_OPCODE(header); | |
714 | break; | |
715 | case RADEON_PACKET_TYPE2: | |
716 | pkt->count = -1; | |
717 | break; | |
718 | default: | |
719 | DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx); | |
720 | return -EINVAL; | |
721 | } | |
722 | if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) { | |
723 | DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n", | |
724 | pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw); | |
725 | return -EINVAL; | |
726 | } | |
727 | return 0; | |
728 | } | |
9ffb7a6d IH |
729 | |
730 | /** | |
731 | * radeon_cs_packet_next_is_pkt3_nop() - test if the next packet is P3 NOP | |
732 | * @p: structure holding the parser context. | |
733 | * | |
734 | * Check if the next packet is NOP relocation packet3. | |
735 | **/ | |
736 | bool radeon_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p) | |
737 | { | |
738 | struct radeon_cs_packet p3reloc; | |
739 | int r; | |
740 | ||
741 | r = radeon_cs_packet_parse(p, &p3reloc, p->idx); | |
742 | if (r) | |
743 | return false; | |
744 | if (p3reloc.type != RADEON_PACKET_TYPE3) | |
745 | return false; | |
746 | if (p3reloc.opcode != RADEON_PACKET3_NOP) | |
747 | return false; | |
748 | return true; | |
749 | } | |
c3ad63af IH |
750 | |
751 | /** | |
752 | * radeon_cs_dump_packet() - dump raw packet context | |
753 | * @p: structure holding the parser context. | |
754 | * @pkt: structure holding the packet. | |
755 | * | |
756 | * Used mostly for debugging and error reporting. | |
757 | **/ | |
758 | void radeon_cs_dump_packet(struct radeon_cs_parser *p, | |
759 | struct radeon_cs_packet *pkt) | |
760 | { | |
761 | volatile uint32_t *ib; | |
762 | unsigned i; | |
763 | unsigned idx; | |
764 | ||
765 | ib = p->ib.ptr; | |
766 | idx = pkt->idx; | |
767 | for (i = 0; i <= (pkt->count + 1); i++, idx++) | |
768 | DRM_INFO("ib[%d]=0x%08X\n", idx, ib[idx]); | |
769 | } | |
770 | ||
e9716993 IH |
771 | /** |
772 | * radeon_cs_packet_next_reloc() - parse next (should be reloc) packet | |
773 | * @parser: parser structure holding parsing context. | |
774 | * @data: pointer to relocation data | |
775 | * @offset_start: starting offset | |
776 | * @offset_mask: offset mask (to align start offset on) | |
777 | * @reloc: reloc informations | |
778 | * | |
779 | * Check if next packet is relocation packet3, do bo validation and compute | |
780 | * GPU offset using the provided start. | |
781 | **/ | |
782 | int radeon_cs_packet_next_reloc(struct radeon_cs_parser *p, | |
783 | struct radeon_cs_reloc **cs_reloc, | |
784 | int nomm) | |
785 | { | |
786 | struct radeon_cs_chunk *relocs_chunk; | |
787 | struct radeon_cs_packet p3reloc; | |
788 | unsigned idx; | |
789 | int r; | |
790 | ||
791 | if (p->chunk_relocs_idx == -1) { | |
792 | DRM_ERROR("No relocation chunk !\n"); | |
793 | return -EINVAL; | |
794 | } | |
795 | *cs_reloc = NULL; | |
796 | relocs_chunk = &p->chunks[p->chunk_relocs_idx]; | |
797 | r = radeon_cs_packet_parse(p, &p3reloc, p->idx); | |
798 | if (r) | |
799 | return r; | |
800 | p->idx += p3reloc.count + 2; | |
801 | if (p3reloc.type != RADEON_PACKET_TYPE3 || | |
802 | p3reloc.opcode != RADEON_PACKET3_NOP) { | |
803 | DRM_ERROR("No packet3 for relocation for packet at %d.\n", | |
804 | p3reloc.idx); | |
805 | radeon_cs_dump_packet(p, &p3reloc); | |
806 | return -EINVAL; | |
807 | } | |
808 | idx = radeon_get_ib_value(p, p3reloc.idx + 1); | |
809 | if (idx >= relocs_chunk->length_dw) { | |
810 | DRM_ERROR("Relocs at %d after relocations chunk end %d !\n", | |
811 | idx, relocs_chunk->length_dw); | |
812 | radeon_cs_dump_packet(p, &p3reloc); | |
813 | return -EINVAL; | |
814 | } | |
815 | /* FIXME: we assume reloc size is 4 dwords */ | |
816 | if (nomm) { | |
817 | *cs_reloc = p->relocs; | |
df0af440 | 818 | (*cs_reloc)->gpu_offset = |
e9716993 | 819 | (u64)relocs_chunk->kdata[idx + 3] << 32; |
df0af440 | 820 | (*cs_reloc)->gpu_offset |= relocs_chunk->kdata[idx + 0]; |
e9716993 IH |
821 | } else |
822 | *cs_reloc = p->relocs_ptr[(idx / 4)]; | |
823 | return 0; | |
824 | } |