Commit | Line | Data |
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771fe6b9 JG |
1 | /* |
2 | * Copyright 2009 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 | |
7 | * "Software"), to deal in the Software without restriction, including | |
8 | * without limitation the rights to use, copy, modify, merge, publish, | |
9 | * distribute, sub license, and/or sell copies of the Software, and to | |
10 | * permit persons to whom the Software is furnished to do so, subject to | |
11 | * the following conditions: | |
12 | * | |
13 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
14 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
15 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL | |
16 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, | |
17 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | |
18 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | |
19 | * USE OR OTHER DEALINGS IN THE SOFTWARE. | |
20 | * | |
21 | * The above copyright notice and this permission notice (including the | |
22 | * next paragraph) shall be included in all copies or substantial portions | |
23 | * of the Software. | |
24 | * | |
25 | */ | |
26 | /* | |
27 | * Authors: | |
28 | * Jerome Glisse <glisse@freedesktop.org> | |
29 | * Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | |
30 | * Dave Airlie | |
31 | */ | |
32 | #include <linux/list.h> | |
5a0e3ad6 | 33 | #include <linux/slab.h> |
771fe6b9 JG |
34 | #include <drm/drmP.h> |
35 | #include "radeon_drm.h" | |
36 | #include "radeon.h" | |
99ee7fac | 37 | #include "radeon_trace.h" |
771fe6b9 | 38 | |
771fe6b9 JG |
39 | |
40 | int radeon_ttm_init(struct radeon_device *rdev); | |
41 | void radeon_ttm_fini(struct radeon_device *rdev); | |
4c788679 | 42 | static void radeon_bo_clear_surface_reg(struct radeon_bo *bo); |
771fe6b9 JG |
43 | |
44 | /* | |
45 | * To exclude mutual BO access we rely on bo_reserve exclusion, as all | |
46 | * function are calling it. | |
47 | */ | |
48 | ||
4c788679 | 49 | static void radeon_ttm_bo_destroy(struct ttm_buffer_object *tbo) |
771fe6b9 | 50 | { |
4c788679 | 51 | struct radeon_bo *bo; |
771fe6b9 | 52 | |
4c788679 JG |
53 | bo = container_of(tbo, struct radeon_bo, tbo); |
54 | mutex_lock(&bo->rdev->gem.mutex); | |
55 | list_del_init(&bo->list); | |
56 | mutex_unlock(&bo->rdev->gem.mutex); | |
57 | radeon_bo_clear_surface_reg(bo); | |
441921d5 | 58 | drm_gem_object_release(&bo->gem_base); |
4c788679 | 59 | kfree(bo); |
771fe6b9 JG |
60 | } |
61 | ||
d03d8589 JG |
62 | bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo) |
63 | { | |
64 | if (bo->destroy == &radeon_ttm_bo_destroy) | |
65 | return true; | |
66 | return false; | |
67 | } | |
68 | ||
312ea8da JG |
69 | void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain) |
70 | { | |
71 | u32 c = 0; | |
72 | ||
73 | rbo->placement.fpfn = 0; | |
93225b0d | 74 | rbo->placement.lpfn = 0; |
312ea8da JG |
75 | rbo->placement.placement = rbo->placements; |
76 | rbo->placement.busy_placement = rbo->placements; | |
77 | if (domain & RADEON_GEM_DOMAIN_VRAM) | |
78 | rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | | |
79 | TTM_PL_FLAG_VRAM; | |
80 | if (domain & RADEON_GEM_DOMAIN_GTT) | |
81 | rbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT; | |
82 | if (domain & RADEON_GEM_DOMAIN_CPU) | |
83 | rbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM; | |
9fb03e63 JG |
84 | if (!c) |
85 | rbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM; | |
312ea8da JG |
86 | rbo->placement.num_placement = c; |
87 | rbo->placement.num_busy_placement = c; | |
88 | } | |
89 | ||
441921d5 | 90 | int radeon_bo_create(struct radeon_device *rdev, |
268b2510 AD |
91 | unsigned long size, int byte_align, bool kernel, u32 domain, |
92 | struct radeon_bo **bo_ptr) | |
771fe6b9 | 93 | { |
4c788679 | 94 | struct radeon_bo *bo; |
771fe6b9 | 95 | enum ttm_bo_type type; |
93225b0d JG |
96 | unsigned long page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT; |
97 | unsigned long max_size = 0; | |
771fe6b9 JG |
98 | int r; |
99 | ||
441921d5 DV |
100 | size = ALIGN(size, PAGE_SIZE); |
101 | ||
771fe6b9 JG |
102 | if (unlikely(rdev->mman.bdev.dev_mapping == NULL)) { |
103 | rdev->mman.bdev.dev_mapping = rdev->ddev->dev_mapping; | |
104 | } | |
105 | if (kernel) { | |
106 | type = ttm_bo_type_kernel; | |
107 | } else { | |
108 | type = ttm_bo_type_device; | |
109 | } | |
4c788679 | 110 | *bo_ptr = NULL; |
2b66b50b | 111 | |
93225b0d JG |
112 | /* maximun bo size is the minimun btw visible vram and gtt size */ |
113 | max_size = min(rdev->mc.visible_vram_size, rdev->mc.gtt_size); | |
114 | if ((page_align << PAGE_SHIFT) >= max_size) { | |
115 | printk(KERN_WARNING "%s:%d alloc size %ldM bigger than %ldMb limit\n", | |
116 | __func__, __LINE__, page_align >> (20 - PAGE_SHIFT), max_size >> 20); | |
117 | return -ENOMEM; | |
118 | } | |
119 | ||
2b66b50b | 120 | retry: |
4c788679 JG |
121 | bo = kzalloc(sizeof(struct radeon_bo), GFP_KERNEL); |
122 | if (bo == NULL) | |
771fe6b9 | 123 | return -ENOMEM; |
441921d5 DV |
124 | r = drm_gem_object_init(rdev->ddev, &bo->gem_base, size); |
125 | if (unlikely(r)) { | |
126 | kfree(bo); | |
127 | return r; | |
128 | } | |
4c788679 | 129 | bo->rdev = rdev; |
7e4d15d9 | 130 | bo->gem_base.driver_private = NULL; |
4c788679 JG |
131 | bo->surface_reg = -1; |
132 | INIT_LIST_HEAD(&bo->list); | |
1fb107fc | 133 | radeon_ttm_placement_from_domain(bo, domain); |
5cc6fbab | 134 | /* Kernel allocation are uninterruptible */ |
5876dd24 | 135 | mutex_lock(&rdev->vram_mutex); |
1fb107fc | 136 | r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type, |
268b2510 | 137 | &bo->placement, page_align, 0, !kernel, NULL, size, |
1fb107fc | 138 | &radeon_ttm_bo_destroy); |
5876dd24 | 139 | mutex_unlock(&rdev->vram_mutex); |
771fe6b9 | 140 | if (unlikely(r != 0)) { |
e376573f MD |
141 | if (r != -ERESTARTSYS) { |
142 | if (domain == RADEON_GEM_DOMAIN_VRAM) { | |
143 | domain |= RADEON_GEM_DOMAIN_GTT; | |
144 | goto retry; | |
145 | } | |
5cc6fbab | 146 | dev_err(rdev->dev, |
1fb107fc JG |
147 | "object_init failed for (%lu, 0x%08X)\n", |
148 | size, domain); | |
e376573f | 149 | } |
771fe6b9 JG |
150 | return r; |
151 | } | |
4c788679 | 152 | *bo_ptr = bo; |
441921d5 | 153 | |
99ee7fac | 154 | trace_radeon_bo_create(bo); |
441921d5 | 155 | |
771fe6b9 JG |
156 | return 0; |
157 | } | |
158 | ||
4c788679 | 159 | int radeon_bo_kmap(struct radeon_bo *bo, void **ptr) |
771fe6b9 | 160 | { |
4c788679 | 161 | bool is_iomem; |
771fe6b9 JG |
162 | int r; |
163 | ||
4c788679 | 164 | if (bo->kptr) { |
771fe6b9 | 165 | if (ptr) { |
4c788679 | 166 | *ptr = bo->kptr; |
771fe6b9 | 167 | } |
771fe6b9 JG |
168 | return 0; |
169 | } | |
4c788679 | 170 | r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.num_pages, &bo->kmap); |
771fe6b9 JG |
171 | if (r) { |
172 | return r; | |
173 | } | |
4c788679 | 174 | bo->kptr = ttm_kmap_obj_virtual(&bo->kmap, &is_iomem); |
771fe6b9 | 175 | if (ptr) { |
4c788679 | 176 | *ptr = bo->kptr; |
771fe6b9 | 177 | } |
4c788679 | 178 | radeon_bo_check_tiling(bo, 0, 0); |
771fe6b9 JG |
179 | return 0; |
180 | } | |
181 | ||
4c788679 | 182 | void radeon_bo_kunmap(struct radeon_bo *bo) |
771fe6b9 | 183 | { |
4c788679 | 184 | if (bo->kptr == NULL) |
771fe6b9 | 185 | return; |
4c788679 JG |
186 | bo->kptr = NULL; |
187 | radeon_bo_check_tiling(bo, 0, 0); | |
188 | ttm_bo_kunmap(&bo->kmap); | |
771fe6b9 JG |
189 | } |
190 | ||
4c788679 | 191 | void radeon_bo_unref(struct radeon_bo **bo) |
771fe6b9 | 192 | { |
4c788679 | 193 | struct ttm_buffer_object *tbo; |
f4b7fb94 | 194 | struct radeon_device *rdev; |
771fe6b9 | 195 | |
4c788679 | 196 | if ((*bo) == NULL) |
771fe6b9 | 197 | return; |
f4b7fb94 | 198 | rdev = (*bo)->rdev; |
4c788679 | 199 | tbo = &((*bo)->tbo); |
f4b7fb94 | 200 | mutex_lock(&rdev->vram_mutex); |
4c788679 | 201 | ttm_bo_unref(&tbo); |
f4b7fb94 | 202 | mutex_unlock(&rdev->vram_mutex); |
4c788679 JG |
203 | if (tbo == NULL) |
204 | *bo = NULL; | |
771fe6b9 JG |
205 | } |
206 | ||
4c788679 | 207 | int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr) |
771fe6b9 | 208 | { |
312ea8da | 209 | int r, i; |
771fe6b9 | 210 | |
4c788679 JG |
211 | if (bo->pin_count) { |
212 | bo->pin_count++; | |
213 | if (gpu_addr) | |
214 | *gpu_addr = radeon_bo_gpu_offset(bo); | |
771fe6b9 JG |
215 | return 0; |
216 | } | |
312ea8da | 217 | radeon_ttm_placement_from_domain(bo, domain); |
3ca82da3 MD |
218 | if (domain == RADEON_GEM_DOMAIN_VRAM) { |
219 | /* force to pin into visible video ram */ | |
220 | bo->placement.lpfn = bo->rdev->mc.visible_vram_size >> PAGE_SHIFT; | |
221 | } | |
312ea8da JG |
222 | for (i = 0; i < bo->placement.num_placement; i++) |
223 | bo->placements[i] |= TTM_PL_FLAG_NO_EVICT; | |
9d87fa21 | 224 | r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false, false); |
4c788679 JG |
225 | if (likely(r == 0)) { |
226 | bo->pin_count = 1; | |
227 | if (gpu_addr != NULL) | |
228 | *gpu_addr = radeon_bo_gpu_offset(bo); | |
771fe6b9 | 229 | } |
5cc6fbab | 230 | if (unlikely(r != 0)) |
4c788679 | 231 | dev_err(bo->rdev->dev, "%p pin failed\n", bo); |
771fe6b9 JG |
232 | return r; |
233 | } | |
234 | ||
4c788679 | 235 | int radeon_bo_unpin(struct radeon_bo *bo) |
771fe6b9 | 236 | { |
312ea8da | 237 | int r, i; |
771fe6b9 | 238 | |
4c788679 JG |
239 | if (!bo->pin_count) { |
240 | dev_warn(bo->rdev->dev, "%p unpin not necessary\n", bo); | |
241 | return 0; | |
771fe6b9 | 242 | } |
4c788679 JG |
243 | bo->pin_count--; |
244 | if (bo->pin_count) | |
245 | return 0; | |
312ea8da JG |
246 | for (i = 0; i < bo->placement.num_placement; i++) |
247 | bo->placements[i] &= ~TTM_PL_FLAG_NO_EVICT; | |
9d87fa21 | 248 | r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false, false); |
5cc6fbab | 249 | if (unlikely(r != 0)) |
4c788679 | 250 | dev_err(bo->rdev->dev, "%p validate failed for unpin\n", bo); |
5cc6fbab | 251 | return r; |
cefb87ef DA |
252 | } |
253 | ||
4c788679 | 254 | int radeon_bo_evict_vram(struct radeon_device *rdev) |
771fe6b9 | 255 | { |
d796d844 DA |
256 | /* late 2.6.33 fix IGP hibernate - we need pm ops to do this correct */ |
257 | if (0 && (rdev->flags & RADEON_IS_IGP)) { | |
06b6476d AD |
258 | if (rdev->mc.igp_sideport_enabled == false) |
259 | /* Useless to evict on IGP chips */ | |
260 | return 0; | |
771fe6b9 JG |
261 | } |
262 | return ttm_bo_evict_mm(&rdev->mman.bdev, TTM_PL_VRAM); | |
263 | } | |
264 | ||
4c788679 | 265 | void radeon_bo_force_delete(struct radeon_device *rdev) |
771fe6b9 | 266 | { |
4c788679 | 267 | struct radeon_bo *bo, *n; |
771fe6b9 JG |
268 | |
269 | if (list_empty(&rdev->gem.objects)) { | |
270 | return; | |
271 | } | |
4c788679 JG |
272 | dev_err(rdev->dev, "Userspace still has active objects !\n"); |
273 | list_for_each_entry_safe(bo, n, &rdev->gem.objects, list) { | |
771fe6b9 | 274 | mutex_lock(&rdev->ddev->struct_mutex); |
4c788679 | 275 | dev_err(rdev->dev, "%p %p %lu %lu force free\n", |
31c3603d DV |
276 | &bo->gem_base, bo, (unsigned long)bo->gem_base.size, |
277 | *((unsigned long *)&bo->gem_base.refcount)); | |
4c788679 JG |
278 | mutex_lock(&bo->rdev->gem.mutex); |
279 | list_del_init(&bo->list); | |
280 | mutex_unlock(&bo->rdev->gem.mutex); | |
91132d6b | 281 | /* this should unref the ttm bo */ |
31c3603d | 282 | drm_gem_object_unreference(&bo->gem_base); |
771fe6b9 JG |
283 | mutex_unlock(&rdev->ddev->struct_mutex); |
284 | } | |
285 | } | |
286 | ||
4c788679 | 287 | int radeon_bo_init(struct radeon_device *rdev) |
771fe6b9 | 288 | { |
a4d68279 JG |
289 | /* Add an MTRR for the VRAM */ |
290 | rdev->mc.vram_mtrr = mtrr_add(rdev->mc.aper_base, rdev->mc.aper_size, | |
291 | MTRR_TYPE_WRCOMB, 1); | |
292 | DRM_INFO("Detected VRAM RAM=%lluM, BAR=%lluM\n", | |
293 | rdev->mc.mc_vram_size >> 20, | |
294 | (unsigned long long)rdev->mc.aper_size >> 20); | |
295 | DRM_INFO("RAM width %dbits %cDR\n", | |
296 | rdev->mc.vram_width, rdev->mc.vram_is_ddr ? 'D' : 'S'); | |
771fe6b9 JG |
297 | return radeon_ttm_init(rdev); |
298 | } | |
299 | ||
4c788679 | 300 | void radeon_bo_fini(struct radeon_device *rdev) |
771fe6b9 JG |
301 | { |
302 | radeon_ttm_fini(rdev); | |
303 | } | |
304 | ||
4c788679 JG |
305 | void radeon_bo_list_add_object(struct radeon_bo_list *lobj, |
306 | struct list_head *head) | |
771fe6b9 JG |
307 | { |
308 | if (lobj->wdomain) { | |
147666fb | 309 | list_add(&lobj->tv.head, head); |
771fe6b9 | 310 | } else { |
147666fb | 311 | list_add_tail(&lobj->tv.head, head); |
771fe6b9 JG |
312 | } |
313 | } | |
314 | ||
6cb8e1f7 | 315 | int radeon_bo_list_validate(struct list_head *head) |
771fe6b9 | 316 | { |
4c788679 JG |
317 | struct radeon_bo_list *lobj; |
318 | struct radeon_bo *bo; | |
e376573f | 319 | u32 domain; |
771fe6b9 JG |
320 | int r; |
321 | ||
147666fb | 322 | r = ttm_eu_reserve_buffers(head); |
771fe6b9 | 323 | if (unlikely(r != 0)) { |
771fe6b9 JG |
324 | return r; |
325 | } | |
147666fb | 326 | list_for_each_entry(lobj, head, tv.head) { |
4c788679 JG |
327 | bo = lobj->bo; |
328 | if (!bo->pin_count) { | |
e376573f MD |
329 | domain = lobj->wdomain ? lobj->wdomain : lobj->rdomain; |
330 | ||
331 | retry: | |
332 | radeon_ttm_placement_from_domain(bo, domain); | |
1fb107fc | 333 | r = ttm_bo_validate(&bo->tbo, &bo->placement, |
9d87fa21 | 334 | true, false, false); |
e376573f MD |
335 | if (unlikely(r)) { |
336 | if (r != -ERESTARTSYS && domain == RADEON_GEM_DOMAIN_VRAM) { | |
337 | domain |= RADEON_GEM_DOMAIN_GTT; | |
338 | goto retry; | |
339 | } | |
771fe6b9 | 340 | return r; |
e376573f | 341 | } |
771fe6b9 | 342 | } |
4c788679 JG |
343 | lobj->gpu_offset = radeon_bo_gpu_offset(bo); |
344 | lobj->tiling_flags = bo->tiling_flags; | |
771fe6b9 JG |
345 | } |
346 | return 0; | |
347 | } | |
348 | ||
4c788679 | 349 | int radeon_bo_fbdev_mmap(struct radeon_bo *bo, |
771fe6b9 JG |
350 | struct vm_area_struct *vma) |
351 | { | |
4c788679 | 352 | return ttm_fbdev_mmap(vma, &bo->tbo); |
771fe6b9 JG |
353 | } |
354 | ||
550e2d92 | 355 | int radeon_bo_get_surface_reg(struct radeon_bo *bo) |
771fe6b9 | 356 | { |
4c788679 | 357 | struct radeon_device *rdev = bo->rdev; |
e024e110 | 358 | struct radeon_surface_reg *reg; |
4c788679 | 359 | struct radeon_bo *old_object; |
e024e110 DA |
360 | int steal; |
361 | int i; | |
362 | ||
4c788679 JG |
363 | BUG_ON(!atomic_read(&bo->tbo.reserved)); |
364 | ||
365 | if (!bo->tiling_flags) | |
e024e110 DA |
366 | return 0; |
367 | ||
4c788679 JG |
368 | if (bo->surface_reg >= 0) { |
369 | reg = &rdev->surface_regs[bo->surface_reg]; | |
370 | i = bo->surface_reg; | |
e024e110 DA |
371 | goto out; |
372 | } | |
373 | ||
374 | steal = -1; | |
375 | for (i = 0; i < RADEON_GEM_MAX_SURFACES; i++) { | |
376 | ||
377 | reg = &rdev->surface_regs[i]; | |
4c788679 | 378 | if (!reg->bo) |
e024e110 DA |
379 | break; |
380 | ||
4c788679 | 381 | old_object = reg->bo; |
e024e110 DA |
382 | if (old_object->pin_count == 0) |
383 | steal = i; | |
384 | } | |
385 | ||
386 | /* if we are all out */ | |
387 | if (i == RADEON_GEM_MAX_SURFACES) { | |
388 | if (steal == -1) | |
389 | return -ENOMEM; | |
390 | /* find someone with a surface reg and nuke their BO */ | |
391 | reg = &rdev->surface_regs[steal]; | |
4c788679 | 392 | old_object = reg->bo; |
e024e110 DA |
393 | /* blow away the mapping */ |
394 | DRM_DEBUG("stealing surface reg %d from %p\n", steal, old_object); | |
4c788679 | 395 | ttm_bo_unmap_virtual(&old_object->tbo); |
e024e110 DA |
396 | old_object->surface_reg = -1; |
397 | i = steal; | |
398 | } | |
399 | ||
4c788679 JG |
400 | bo->surface_reg = i; |
401 | reg->bo = bo; | |
e024e110 DA |
402 | |
403 | out: | |
4c788679 | 404 | radeon_set_surface_reg(rdev, i, bo->tiling_flags, bo->pitch, |
d961db75 | 405 | bo->tbo.mem.start << PAGE_SHIFT, |
4c788679 | 406 | bo->tbo.num_pages << PAGE_SHIFT); |
e024e110 DA |
407 | return 0; |
408 | } | |
409 | ||
4c788679 | 410 | static void radeon_bo_clear_surface_reg(struct radeon_bo *bo) |
e024e110 | 411 | { |
4c788679 | 412 | struct radeon_device *rdev = bo->rdev; |
e024e110 DA |
413 | struct radeon_surface_reg *reg; |
414 | ||
4c788679 | 415 | if (bo->surface_reg == -1) |
e024e110 DA |
416 | return; |
417 | ||
4c788679 JG |
418 | reg = &rdev->surface_regs[bo->surface_reg]; |
419 | radeon_clear_surface_reg(rdev, bo->surface_reg); | |
e024e110 | 420 | |
4c788679 JG |
421 | reg->bo = NULL; |
422 | bo->surface_reg = -1; | |
e024e110 DA |
423 | } |
424 | ||
4c788679 JG |
425 | int radeon_bo_set_tiling_flags(struct radeon_bo *bo, |
426 | uint32_t tiling_flags, uint32_t pitch) | |
e024e110 | 427 | { |
4c788679 JG |
428 | int r; |
429 | ||
430 | r = radeon_bo_reserve(bo, false); | |
431 | if (unlikely(r != 0)) | |
432 | return r; | |
433 | bo->tiling_flags = tiling_flags; | |
434 | bo->pitch = pitch; | |
435 | radeon_bo_unreserve(bo); | |
436 | return 0; | |
e024e110 DA |
437 | } |
438 | ||
4c788679 JG |
439 | void radeon_bo_get_tiling_flags(struct radeon_bo *bo, |
440 | uint32_t *tiling_flags, | |
441 | uint32_t *pitch) | |
e024e110 | 442 | { |
4c788679 | 443 | BUG_ON(!atomic_read(&bo->tbo.reserved)); |
e024e110 | 444 | if (tiling_flags) |
4c788679 | 445 | *tiling_flags = bo->tiling_flags; |
e024e110 | 446 | if (pitch) |
4c788679 | 447 | *pitch = bo->pitch; |
e024e110 DA |
448 | } |
449 | ||
4c788679 JG |
450 | int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved, |
451 | bool force_drop) | |
e024e110 | 452 | { |
4c788679 JG |
453 | BUG_ON(!atomic_read(&bo->tbo.reserved)); |
454 | ||
455 | if (!(bo->tiling_flags & RADEON_TILING_SURFACE)) | |
e024e110 DA |
456 | return 0; |
457 | ||
458 | if (force_drop) { | |
4c788679 | 459 | radeon_bo_clear_surface_reg(bo); |
e024e110 DA |
460 | return 0; |
461 | } | |
462 | ||
4c788679 | 463 | if (bo->tbo.mem.mem_type != TTM_PL_VRAM) { |
e024e110 DA |
464 | if (!has_moved) |
465 | return 0; | |
466 | ||
4c788679 JG |
467 | if (bo->surface_reg >= 0) |
468 | radeon_bo_clear_surface_reg(bo); | |
e024e110 DA |
469 | return 0; |
470 | } | |
471 | ||
4c788679 | 472 | if ((bo->surface_reg >= 0) && !has_moved) |
e024e110 DA |
473 | return 0; |
474 | ||
4c788679 | 475 | return radeon_bo_get_surface_reg(bo); |
e024e110 DA |
476 | } |
477 | ||
478 | void radeon_bo_move_notify(struct ttm_buffer_object *bo, | |
d03d8589 | 479 | struct ttm_mem_reg *mem) |
e024e110 | 480 | { |
d03d8589 JG |
481 | struct radeon_bo *rbo; |
482 | if (!radeon_ttm_bo_is_radeon_bo(bo)) | |
483 | return; | |
484 | rbo = container_of(bo, struct radeon_bo, tbo); | |
4c788679 | 485 | radeon_bo_check_tiling(rbo, 0, 1); |
e024e110 DA |
486 | } |
487 | ||
0a2d50e3 | 488 | int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo) |
e024e110 | 489 | { |
0a2d50e3 | 490 | struct radeon_device *rdev; |
d03d8589 | 491 | struct radeon_bo *rbo; |
0a2d50e3 JG |
492 | unsigned long offset, size; |
493 | int r; | |
494 | ||
d03d8589 | 495 | if (!radeon_ttm_bo_is_radeon_bo(bo)) |
0a2d50e3 | 496 | return 0; |
d03d8589 | 497 | rbo = container_of(bo, struct radeon_bo, tbo); |
4c788679 | 498 | radeon_bo_check_tiling(rbo, 0, 0); |
0a2d50e3 JG |
499 | rdev = rbo->rdev; |
500 | if (bo->mem.mem_type == TTM_PL_VRAM) { | |
501 | size = bo->mem.num_pages << PAGE_SHIFT; | |
d961db75 | 502 | offset = bo->mem.start << PAGE_SHIFT; |
0a2d50e3 JG |
503 | if ((offset + size) > rdev->mc.visible_vram_size) { |
504 | /* hurrah the memory is not visible ! */ | |
505 | radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_VRAM); | |
506 | rbo->placement.lpfn = rdev->mc.visible_vram_size >> PAGE_SHIFT; | |
507 | r = ttm_bo_validate(bo, &rbo->placement, false, true, false); | |
508 | if (unlikely(r != 0)) | |
509 | return r; | |
d961db75 | 510 | offset = bo->mem.start << PAGE_SHIFT; |
0a2d50e3 JG |
511 | /* this should not happen */ |
512 | if ((offset + size) > rdev->mc.visible_vram_size) | |
513 | return -EINVAL; | |
514 | } | |
515 | } | |
516 | return 0; | |
e024e110 | 517 | } |