Commit | Line | Data |
---|---|---|
771fe6b9 JG |
1 | /* |
2 | * Copyright 2008 Advanced Micro Devices, Inc. | |
3 | * Copyright 2008 Red Hat Inc. | |
4 | * Copyright 2009 Jerome Glisse. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * copy of this software and associated documentation files (the "Software"), | |
8 | * to deal in the Software without restriction, including without limitation | |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
10 | * and/or sell copies of the Software, and to permit persons to whom the | |
11 | * Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
22 | * OTHER DEALINGS IN THE SOFTWARE. | |
23 | * | |
24 | * Authors: Dave Airlie | |
25 | * Alex Deucher | |
26 | * Jerome Glisse | |
27 | */ | |
28 | #include <linux/seq_file.h> | |
5a0e3ad6 | 29 | #include <linux/slab.h> |
771fe6b9 JG |
30 | #include "drmP.h" |
31 | #include "radeon_drm.h" | |
32 | #include "radeon_reg.h" | |
33 | #include "radeon.h" | |
34 | #include "atom.h" | |
35 | ||
36 | int radeon_debugfs_ib_init(struct radeon_device *rdev); | |
37 | ||
ce580fab AK |
38 | u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx) |
39 | { | |
40 | struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx]; | |
41 | u32 pg_idx, pg_offset; | |
42 | u32 idx_value = 0; | |
43 | int new_page; | |
44 | ||
45 | pg_idx = (idx * 4) / PAGE_SIZE; | |
46 | pg_offset = (idx * 4) % PAGE_SIZE; | |
47 | ||
48 | if (ibc->kpage_idx[0] == pg_idx) | |
49 | return ibc->kpage[0][pg_offset/4]; | |
50 | if (ibc->kpage_idx[1] == pg_idx) | |
51 | return ibc->kpage[1][pg_offset/4]; | |
52 | ||
53 | new_page = radeon_cs_update_pages(p, pg_idx); | |
54 | if (new_page < 0) { | |
55 | p->parser_error = new_page; | |
56 | return 0; | |
57 | } | |
58 | ||
59 | idx_value = ibc->kpage[new_page][pg_offset/4]; | |
60 | return idx_value; | |
61 | } | |
62 | ||
7b1f2485 | 63 | void radeon_ring_write(struct radeon_cp *cp, uint32_t v) |
ce580fab AK |
64 | { |
65 | #if DRM_DEBUG_CODE | |
7b1f2485 | 66 | if (cp->count_dw <= 0) { |
ce580fab AK |
67 | DRM_ERROR("radeon: writting more dword to ring than expected !\n"); |
68 | } | |
69 | #endif | |
7b1f2485 CK |
70 | cp->ring[cp->wptr++] = v; |
71 | cp->wptr &= cp->ptr_mask; | |
72 | cp->count_dw--; | |
73 | cp->ring_free_dw--; | |
ce580fab AK |
74 | } |
75 | ||
9f93ed39 JG |
76 | void radeon_ib_bogus_cleanup(struct radeon_device *rdev) |
77 | { | |
78 | struct radeon_ib *ib, *n; | |
79 | ||
80 | list_for_each_entry_safe(ib, n, &rdev->ib_pool.bogus_ib, list) { | |
81 | list_del(&ib->list); | |
82 | vfree(ib->ptr); | |
83 | kfree(ib); | |
84 | } | |
85 | } | |
86 | ||
87 | void radeon_ib_bogus_add(struct radeon_device *rdev, struct radeon_ib *ib) | |
88 | { | |
89 | struct radeon_ib *bib; | |
90 | ||
91 | bib = kmalloc(sizeof(*bib), GFP_KERNEL); | |
92 | if (bib == NULL) | |
93 | return; | |
94 | bib->ptr = vmalloc(ib->length_dw * 4); | |
95 | if (bib->ptr == NULL) { | |
96 | kfree(bib); | |
97 | return; | |
98 | } | |
99 | memcpy(bib->ptr, ib->ptr, ib->length_dw * 4); | |
100 | bib->length_dw = ib->length_dw; | |
101 | mutex_lock(&rdev->ib_pool.mutex); | |
102 | list_add_tail(&bib->list, &rdev->ib_pool.bogus_ib); | |
103 | mutex_unlock(&rdev->ib_pool.mutex); | |
104 | } | |
105 | ||
771fe6b9 JG |
106 | /* |
107 | * IB. | |
108 | */ | |
7b1f2485 | 109 | int radeon_ib_get(struct radeon_device *rdev, int ring, struct radeon_ib **ib) |
771fe6b9 JG |
110 | { |
111 | struct radeon_fence *fence; | |
112 | struct radeon_ib *nib; | |
91cb91be | 113 | int r = 0, i, c; |
771fe6b9 JG |
114 | |
115 | *ib = NULL; | |
7b1f2485 | 116 | r = radeon_fence_create(rdev, &fence, ring); |
771fe6b9 | 117 | if (r) { |
91cb91be | 118 | dev_err(rdev->dev, "failed to create fence for new IB\n"); |
771fe6b9 JG |
119 | return r; |
120 | } | |
121 | mutex_lock(&rdev->ib_pool.mutex); | |
91cb91be JG |
122 | for (i = rdev->ib_pool.head_id, c = 0, nib = NULL; c < RADEON_IB_POOL_SIZE; c++, i++) { |
123 | i &= (RADEON_IB_POOL_SIZE - 1); | |
124 | if (rdev->ib_pool.ibs[i].free) { | |
125 | nib = &rdev->ib_pool.ibs[i]; | |
126 | break; | |
127 | } | |
771fe6b9 | 128 | } |
91cb91be JG |
129 | if (nib == NULL) { |
130 | /* This should never happen, it means we allocated all | |
131 | * IB and haven't scheduled one yet, return EBUSY to | |
132 | * userspace hoping that on ioctl recall we get better | |
133 | * luck | |
134 | */ | |
135 | dev_err(rdev->dev, "no free indirect buffer !\n"); | |
ecb114a1 | 136 | mutex_unlock(&rdev->ib_pool.mutex); |
91cb91be JG |
137 | radeon_fence_unref(&fence); |
138 | return -EBUSY; | |
771fe6b9 | 139 | } |
91cb91be JG |
140 | rdev->ib_pool.head_id = (nib->idx + 1) & (RADEON_IB_POOL_SIZE - 1); |
141 | nib->free = false; | |
142 | if (nib->fence) { | |
ecb114a1 | 143 | mutex_unlock(&rdev->ib_pool.mutex); |
91cb91be JG |
144 | r = radeon_fence_wait(nib->fence, false); |
145 | if (r) { | |
146 | dev_err(rdev->dev, "error waiting fence of IB(%u:0x%016lX:%u)\n", | |
147 | nib->idx, (unsigned long)nib->gpu_addr, nib->length_dw); | |
148 | mutex_lock(&rdev->ib_pool.mutex); | |
149 | nib->free = true; | |
150 | mutex_unlock(&rdev->ib_pool.mutex); | |
151 | radeon_fence_unref(&fence); | |
152 | return r; | |
153 | } | |
154 | mutex_lock(&rdev->ib_pool.mutex); | |
771fe6b9 JG |
155 | } |
156 | radeon_fence_unref(&nib->fence); | |
91cb91be | 157 | nib->fence = fence; |
771fe6b9 | 158 | nib->length_dw = 0; |
ecb114a1 | 159 | mutex_unlock(&rdev->ib_pool.mutex); |
771fe6b9 | 160 | *ib = nib; |
91cb91be | 161 | return 0; |
771fe6b9 JG |
162 | } |
163 | ||
164 | void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib **ib) | |
165 | { | |
166 | struct radeon_ib *tmp = *ib; | |
167 | ||
168 | *ib = NULL; | |
169 | if (tmp == NULL) { | |
170 | return; | |
171 | } | |
851a6bd9 | 172 | if (!tmp->fence->emitted) |
7d404c7b | 173 | radeon_fence_unref(&tmp->fence); |
771fe6b9 | 174 | mutex_lock(&rdev->ib_pool.mutex); |
91cb91be | 175 | tmp->free = true; |
771fe6b9 JG |
176 | mutex_unlock(&rdev->ib_pool.mutex); |
177 | } | |
178 | ||
771fe6b9 JG |
179 | int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib) |
180 | { | |
7b1f2485 | 181 | struct radeon_cp *cp = &rdev->cp; |
771fe6b9 JG |
182 | int r = 0; |
183 | ||
7b1f2485 | 184 | if (!ib->length_dw || !cp->ready) { |
771fe6b9 | 185 | /* TODO: Nothings in the ib we should report. */ |
91cb91be | 186 | DRM_ERROR("radeon: couldn't schedule IB(%u).\n", ib->idx); |
771fe6b9 JG |
187 | return -EINVAL; |
188 | } | |
ecb114a1 | 189 | |
6cdf6585 | 190 | /* 64 dwords should be enough for fence too */ |
7b1f2485 | 191 | r = radeon_ring_lock(rdev, cp, 64); |
771fe6b9 | 192 | if (r) { |
ec4f2ac4 | 193 | DRM_ERROR("radeon: scheduling IB failed (%d).\n", r); |
771fe6b9 JG |
194 | return r; |
195 | } | |
3ce0a23d | 196 | radeon_ring_ib_execute(rdev, ib); |
771fe6b9 | 197 | radeon_fence_emit(rdev, ib->fence); |
ecb114a1 | 198 | mutex_lock(&rdev->ib_pool.mutex); |
91cb91be JG |
199 | /* once scheduled IB is considered free and protected by the fence */ |
200 | ib->free = true; | |
771fe6b9 | 201 | mutex_unlock(&rdev->ib_pool.mutex); |
7b1f2485 | 202 | radeon_ring_unlock_commit(rdev, cp); |
771fe6b9 JG |
203 | return 0; |
204 | } | |
205 | ||
206 | int radeon_ib_pool_init(struct radeon_device *rdev) | |
207 | { | |
208 | void *ptr; | |
209 | uint64_t gpu_addr; | |
210 | int i; | |
211 | int r = 0; | |
212 | ||
9f022ddf JG |
213 | if (rdev->ib_pool.robj) |
214 | return 0; | |
9f93ed39 | 215 | INIT_LIST_HEAD(&rdev->ib_pool.bogus_ib); |
771fe6b9 | 216 | /* Allocate 1M object buffer */ |
441921d5 | 217 | r = radeon_bo_create(rdev, RADEON_IB_POOL_SIZE*64*1024, |
268b2510 AD |
218 | PAGE_SIZE, true, RADEON_GEM_DOMAIN_GTT, |
219 | &rdev->ib_pool.robj); | |
771fe6b9 JG |
220 | if (r) { |
221 | DRM_ERROR("radeon: failed to ib pool (%d).\n", r); | |
222 | return r; | |
223 | } | |
4c788679 JG |
224 | r = radeon_bo_reserve(rdev->ib_pool.robj, false); |
225 | if (unlikely(r != 0)) | |
226 | return r; | |
227 | r = radeon_bo_pin(rdev->ib_pool.robj, RADEON_GEM_DOMAIN_GTT, &gpu_addr); | |
771fe6b9 | 228 | if (r) { |
4c788679 | 229 | radeon_bo_unreserve(rdev->ib_pool.robj); |
771fe6b9 JG |
230 | DRM_ERROR("radeon: failed to pin ib pool (%d).\n", r); |
231 | return r; | |
232 | } | |
4c788679 JG |
233 | r = radeon_bo_kmap(rdev->ib_pool.robj, &ptr); |
234 | radeon_bo_unreserve(rdev->ib_pool.robj); | |
771fe6b9 | 235 | if (r) { |
205a44a4 | 236 | DRM_ERROR("radeon: failed to map ib pool (%d).\n", r); |
771fe6b9 JG |
237 | return r; |
238 | } | |
239 | for (i = 0; i < RADEON_IB_POOL_SIZE; i++) { | |
240 | unsigned offset; | |
241 | ||
242 | offset = i * 64 * 1024; | |
243 | rdev->ib_pool.ibs[i].gpu_addr = gpu_addr + offset; | |
244 | rdev->ib_pool.ibs[i].ptr = ptr + offset; | |
245 | rdev->ib_pool.ibs[i].idx = i; | |
246 | rdev->ib_pool.ibs[i].length_dw = 0; | |
91cb91be | 247 | rdev->ib_pool.ibs[i].free = true; |
771fe6b9 | 248 | } |
91cb91be | 249 | rdev->ib_pool.head_id = 0; |
771fe6b9 JG |
250 | rdev->ib_pool.ready = true; |
251 | DRM_INFO("radeon: ib pool ready.\n"); | |
252 | if (radeon_debugfs_ib_init(rdev)) { | |
253 | DRM_ERROR("Failed to register debugfs file for IB !\n"); | |
254 | } | |
255 | return r; | |
256 | } | |
257 | ||
258 | void radeon_ib_pool_fini(struct radeon_device *rdev) | |
259 | { | |
4c788679 | 260 | int r; |
ca2af923 | 261 | struct radeon_bo *robj; |
4c788679 | 262 | |
771fe6b9 JG |
263 | if (!rdev->ib_pool.ready) { |
264 | return; | |
265 | } | |
266 | mutex_lock(&rdev->ib_pool.mutex); | |
9f93ed39 | 267 | radeon_ib_bogus_cleanup(rdev); |
ca2af923 AD |
268 | robj = rdev->ib_pool.robj; |
269 | rdev->ib_pool.robj = NULL; | |
270 | mutex_unlock(&rdev->ib_pool.mutex); | |
eb6b6d7c | 271 | |
ca2af923 AD |
272 | if (robj) { |
273 | r = radeon_bo_reserve(robj, false); | |
4c788679 | 274 | if (likely(r == 0)) { |
ca2af923 AD |
275 | radeon_bo_kunmap(robj); |
276 | radeon_bo_unpin(robj); | |
277 | radeon_bo_unreserve(robj); | |
4c788679 | 278 | } |
ca2af923 | 279 | radeon_bo_unref(&robj); |
771fe6b9 | 280 | } |
771fe6b9 JG |
281 | } |
282 | ||
771fe6b9 JG |
283 | |
284 | /* | |
285 | * Ring. | |
286 | */ | |
7b1f2485 | 287 | void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_cp *cp) |
771fe6b9 | 288 | { |
724c80e1 | 289 | if (rdev->wb.enabled) |
dc66b325 | 290 | rdev->cp.rptr = le32_to_cpu(rdev->wb.wb[RADEON_WB_CP_RPTR_OFFSET/4]); |
724c80e1 AD |
291 | else { |
292 | if (rdev->family >= CHIP_R600) | |
293 | rdev->cp.rptr = RREG32(R600_CP_RB_RPTR); | |
294 | else | |
295 | rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR); | |
296 | } | |
771fe6b9 | 297 | /* This works because ring_size is a power of 2 */ |
7b1f2485 CK |
298 | cp->ring_free_dw = (cp->rptr + (cp->ring_size / 4)); |
299 | cp->ring_free_dw -= cp->wptr; | |
300 | cp->ring_free_dw &= cp->ptr_mask; | |
301 | if (!cp->ring_free_dw) { | |
302 | cp->ring_free_dw = cp->ring_size / 4; | |
771fe6b9 JG |
303 | } |
304 | } | |
305 | ||
7b1f2485 CK |
306 | |
307 | int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_cp *cp, unsigned ndw) | |
771fe6b9 JG |
308 | { |
309 | int r; | |
310 | ||
311 | /* Align requested size with padding so unlock_commit can | |
312 | * pad safely */ | |
7b1f2485 CK |
313 | ndw = (ndw + cp->align_mask) & ~cp->align_mask; |
314 | while (ndw > (cp->ring_free_dw - 1)) { | |
315 | radeon_ring_free_size(rdev, cp); | |
316 | if (ndw < cp->ring_free_dw) { | |
771fe6b9 JG |
317 | break; |
318 | } | |
7465280c | 319 | r = radeon_fence_wait_next(rdev, RADEON_RING_TYPE_GFX_INDEX); |
91700f3c | 320 | if (r) |
771fe6b9 | 321 | return r; |
771fe6b9 | 322 | } |
7b1f2485 CK |
323 | cp->count_dw = ndw; |
324 | cp->wptr_old = cp->wptr; | |
771fe6b9 JG |
325 | return 0; |
326 | } | |
327 | ||
7b1f2485 | 328 | int radeon_ring_lock(struct radeon_device *rdev, struct radeon_cp *cp, unsigned ndw) |
91700f3c MG |
329 | { |
330 | int r; | |
331 | ||
7b1f2485 CK |
332 | mutex_lock(&cp->mutex); |
333 | r = radeon_ring_alloc(rdev, cp, ndw); | |
91700f3c | 334 | if (r) { |
7b1f2485 | 335 | mutex_unlock(&cp->mutex); |
91700f3c MG |
336 | return r; |
337 | } | |
338 | return 0; | |
339 | } | |
340 | ||
7b1f2485 | 341 | void radeon_ring_commit(struct radeon_device *rdev, struct radeon_cp *cp) |
771fe6b9 JG |
342 | { |
343 | unsigned count_dw_pad; | |
344 | unsigned i; | |
345 | ||
346 | /* We pad to match fetch size */ | |
7b1f2485 CK |
347 | count_dw_pad = (cp->align_mask + 1) - |
348 | (cp->wptr & cp->align_mask); | |
771fe6b9 | 349 | for (i = 0; i < count_dw_pad; i++) { |
7b1f2485 | 350 | radeon_ring_write(cp, 2 << 30); |
771fe6b9 JG |
351 | } |
352 | DRM_MEMORYBARRIER(); | |
7b1f2485 | 353 | radeon_cp_commit(rdev, cp); |
91700f3c MG |
354 | } |
355 | ||
7b1f2485 | 356 | void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_cp *cp) |
91700f3c | 357 | { |
7b1f2485 CK |
358 | radeon_ring_commit(rdev, cp); |
359 | mutex_unlock(&cp->mutex); | |
771fe6b9 JG |
360 | } |
361 | ||
7b1f2485 | 362 | void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_cp *cp) |
771fe6b9 | 363 | { |
7b1f2485 CK |
364 | cp->wptr = cp->wptr_old; |
365 | mutex_unlock(&cp->mutex); | |
771fe6b9 JG |
366 | } |
367 | ||
7b1f2485 | 368 | int radeon_ring_init(struct radeon_device *rdev, struct radeon_cp *cp, unsigned ring_size) |
771fe6b9 JG |
369 | { |
370 | int r; | |
371 | ||
7b1f2485 | 372 | cp->ring_size = ring_size; |
771fe6b9 | 373 | /* Allocate ring buffer */ |
7b1f2485 CK |
374 | if (cp->ring_obj == NULL) { |
375 | r = radeon_bo_create(rdev, cp->ring_size, PAGE_SIZE, true, | |
4c788679 | 376 | RADEON_GEM_DOMAIN_GTT, |
7b1f2485 | 377 | &cp->ring_obj); |
771fe6b9 | 378 | if (r) { |
4c788679 | 379 | dev_err(rdev->dev, "(%d) ring create failed\n", r); |
771fe6b9 JG |
380 | return r; |
381 | } | |
7b1f2485 | 382 | r = radeon_bo_reserve(cp->ring_obj, false); |
4c788679 JG |
383 | if (unlikely(r != 0)) |
384 | return r; | |
7b1f2485 CK |
385 | r = radeon_bo_pin(cp->ring_obj, RADEON_GEM_DOMAIN_GTT, |
386 | &cp->gpu_addr); | |
771fe6b9 | 387 | if (r) { |
7b1f2485 | 388 | radeon_bo_unreserve(cp->ring_obj); |
4c788679 | 389 | dev_err(rdev->dev, "(%d) ring pin failed\n", r); |
771fe6b9 JG |
390 | return r; |
391 | } | |
7b1f2485 CK |
392 | r = radeon_bo_kmap(cp->ring_obj, |
393 | (void **)&cp->ring); | |
394 | radeon_bo_unreserve(cp->ring_obj); | |
771fe6b9 | 395 | if (r) { |
4c788679 | 396 | dev_err(rdev->dev, "(%d) ring map failed\n", r); |
771fe6b9 JG |
397 | return r; |
398 | } | |
399 | } | |
7b1f2485 CK |
400 | cp->ptr_mask = (cp->ring_size / 4) - 1; |
401 | cp->ring_free_dw = cp->ring_size / 4; | |
771fe6b9 JG |
402 | return 0; |
403 | } | |
404 | ||
7b1f2485 | 405 | void radeon_ring_fini(struct radeon_device *rdev, struct radeon_cp *cp) |
771fe6b9 | 406 | { |
4c788679 | 407 | int r; |
ca2af923 | 408 | struct radeon_bo *ring_obj; |
4c788679 | 409 | |
7b1f2485 CK |
410 | mutex_lock(&cp->mutex); |
411 | ring_obj = cp->ring_obj; | |
412 | cp->ring = NULL; | |
413 | cp->ring_obj = NULL; | |
414 | mutex_unlock(&cp->mutex); | |
ca2af923 AD |
415 | |
416 | if (ring_obj) { | |
417 | r = radeon_bo_reserve(ring_obj, false); | |
4c788679 | 418 | if (likely(r == 0)) { |
ca2af923 AD |
419 | radeon_bo_kunmap(ring_obj); |
420 | radeon_bo_unpin(ring_obj); | |
421 | radeon_bo_unreserve(ring_obj); | |
4c788679 | 422 | } |
ca2af923 | 423 | radeon_bo_unref(&ring_obj); |
771fe6b9 | 424 | } |
771fe6b9 JG |
425 | } |
426 | ||
771fe6b9 JG |
427 | /* |
428 | * Debugfs info | |
429 | */ | |
430 | #if defined(CONFIG_DEBUG_FS) | |
431 | static int radeon_debugfs_ib_info(struct seq_file *m, void *data) | |
432 | { | |
433 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
434 | struct radeon_ib *ib = node->info_ent->data; | |
435 | unsigned i; | |
436 | ||
437 | if (ib == NULL) { | |
438 | return 0; | |
439 | } | |
91cb91be | 440 | seq_printf(m, "IB %04u\n", ib->idx); |
771fe6b9 JG |
441 | seq_printf(m, "IB fence %p\n", ib->fence); |
442 | seq_printf(m, "IB size %05u dwords\n", ib->length_dw); | |
443 | for (i = 0; i < ib->length_dw; i++) { | |
444 | seq_printf(m, "[%05u]=0x%08X\n", i, ib->ptr[i]); | |
445 | } | |
446 | return 0; | |
447 | } | |
448 | ||
9f93ed39 JG |
449 | static int radeon_debugfs_ib_bogus_info(struct seq_file *m, void *data) |
450 | { | |
451 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
452 | struct radeon_device *rdev = node->info_ent->data; | |
453 | struct radeon_ib *ib; | |
454 | unsigned i; | |
455 | ||
456 | mutex_lock(&rdev->ib_pool.mutex); | |
457 | if (list_empty(&rdev->ib_pool.bogus_ib)) { | |
458 | mutex_unlock(&rdev->ib_pool.mutex); | |
459 | seq_printf(m, "no bogus IB recorded\n"); | |
460 | return 0; | |
461 | } | |
462 | ib = list_first_entry(&rdev->ib_pool.bogus_ib, struct radeon_ib, list); | |
463 | list_del_init(&ib->list); | |
464 | mutex_unlock(&rdev->ib_pool.mutex); | |
465 | seq_printf(m, "IB size %05u dwords\n", ib->length_dw); | |
466 | for (i = 0; i < ib->length_dw; i++) { | |
467 | seq_printf(m, "[%05u]=0x%08X\n", i, ib->ptr[i]); | |
468 | } | |
469 | vfree(ib->ptr); | |
470 | kfree(ib); | |
471 | return 0; | |
472 | } | |
473 | ||
771fe6b9 JG |
474 | static struct drm_info_list radeon_debugfs_ib_list[RADEON_IB_POOL_SIZE]; |
475 | static char radeon_debugfs_ib_names[RADEON_IB_POOL_SIZE][32]; | |
9f93ed39 JG |
476 | |
477 | static struct drm_info_list radeon_debugfs_ib_bogus_info_list[] = { | |
478 | {"radeon_ib_bogus", radeon_debugfs_ib_bogus_info, 0, NULL}, | |
479 | }; | |
771fe6b9 JG |
480 | #endif |
481 | ||
482 | int radeon_debugfs_ib_init(struct radeon_device *rdev) | |
483 | { | |
484 | #if defined(CONFIG_DEBUG_FS) | |
485 | unsigned i; | |
9f93ed39 | 486 | int r; |
771fe6b9 | 487 | |
9f93ed39 JG |
488 | radeon_debugfs_ib_bogus_info_list[0].data = rdev; |
489 | r = radeon_debugfs_add_files(rdev, radeon_debugfs_ib_bogus_info_list, 1); | |
490 | if (r) | |
491 | return r; | |
771fe6b9 JG |
492 | for (i = 0; i < RADEON_IB_POOL_SIZE; i++) { |
493 | sprintf(radeon_debugfs_ib_names[i], "radeon_ib_%04u", i); | |
494 | radeon_debugfs_ib_list[i].name = radeon_debugfs_ib_names[i]; | |
495 | radeon_debugfs_ib_list[i].show = &radeon_debugfs_ib_info; | |
496 | radeon_debugfs_ib_list[i].driver_features = 0; | |
497 | radeon_debugfs_ib_list[i].data = &rdev->ib_pool.ibs[i]; | |
498 | } | |
499 | return radeon_debugfs_add_files(rdev, radeon_debugfs_ib_list, | |
500 | RADEON_IB_POOL_SIZE); | |
501 | #else | |
502 | return 0; | |
503 | #endif | |
504 | } |