amdgpu_bo_destroy(tbo);
}
-static void amdgpu_bo_vm_destroy(struct ttm_buffer_object *tbo)
-{
- struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev);
- struct amdgpu_bo *shadow_bo = ttm_to_amdgpu_bo(tbo), *bo;
- struct amdgpu_bo_vm *vmbo;
-
- bo = shadow_bo->parent;
- vmbo = to_amdgpu_bo_vm(bo);
- /* in case amdgpu_device_recover_vram got NULL of bo->parent */
- if (!list_empty(&vmbo->shadow_list)) {
- mutex_lock(&adev->shadow_list_lock);
- list_del_init(&vmbo->shadow_list);
- mutex_unlock(&adev->shadow_list_lock);
- }
-
- amdgpu_bo_destroy(tbo);
-}
-
/**
* amdgpu_bo_is_amdgpu_bo - check if the buffer object is an &amdgpu_bo
* @bo: buffer object to be checked
bool amdgpu_bo_is_amdgpu_bo(struct ttm_buffer_object *bo)
{
if (bo->destroy == &amdgpu_bo_destroy ||
- bo->destroy == &amdgpu_bo_user_destroy ||
- bo->destroy == &amdgpu_bo_vm_destroy)
+ bo->destroy == &amdgpu_bo_user_destroy)
return true;
return false;
if (bo == NULL)
return -ENOMEM;
drm_gem_private_object_init(adev_to_drm(adev), &bo->tbo.base, size);
+ bo->tbo.base.funcs = &amdgpu_gem_object_funcs;
bo->vm_bo = NULL;
bo->preferred_domains = bp->preferred_domain ? bp->preferred_domain :
bp->domain;
return r;
}
-/**
- * amdgpu_bo_add_to_shadow_list - add a BO to the shadow list
- *
- * @vmbo: BO that will be inserted into the shadow list
- *
- * Insert a BO to the shadow list.
- */
-void amdgpu_bo_add_to_shadow_list(struct amdgpu_bo_vm *vmbo)
-{
- struct amdgpu_device *adev = amdgpu_ttm_adev(vmbo->bo.tbo.bdev);
-
- mutex_lock(&adev->shadow_list_lock);
- list_add_tail(&vmbo->shadow_list, &adev->shadow_list);
- vmbo->shadow->parent = amdgpu_bo_ref(&vmbo->bo);
- vmbo->shadow->tbo.destroy = &amdgpu_bo_vm_destroy;
- mutex_unlock(&adev->shadow_list_lock);
-}
-
-/**
- * amdgpu_bo_restore_shadow - restore an &amdgpu_bo shadow
- *
- * @shadow: &amdgpu_bo shadow to be restored
- * @fence: dma_fence associated with the operation
- *
- * Copies a buffer object's shadow content back to the object.
- * This is used for recovering a buffer from its shadow in case of a gpu
- * reset where vram context may be lost.
- *
- * Returns:
- * 0 for success or a negative error code on failure.
- */
-int amdgpu_bo_restore_shadow(struct amdgpu_bo *shadow, struct dma_fence **fence)
-
-{
- struct amdgpu_device *adev = amdgpu_ttm_adev(shadow->tbo.bdev);
- struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
- uint64_t shadow_addr, parent_addr;
-
- shadow_addr = amdgpu_bo_gpu_offset(shadow);
- parent_addr = amdgpu_bo_gpu_offset(shadow->parent);
-
- return amdgpu_copy_buffer(ring, shadow_addr, parent_addr,
- amdgpu_bo_size(shadow), NULL, fence,
- true, false, 0);
-}
-
/**
* amdgpu_bo_kmap - map an &amdgpu_bo buffer object
* @bo: &amdgpu_bo buffer object to be mapped
if (bo == NULL)
return NULL;
- ttm_bo_get(&bo->tbo);
+ drm_gem_object_get(&bo->tbo.base);
return bo;
}
*/
void amdgpu_bo_unref(struct amdgpu_bo **bo)
{
- struct ttm_buffer_object *tbo;
-
if ((*bo) == NULL)
return;
- tbo = &((*bo)->tbo);
- ttm_bo_put(tbo);
+ drm_gem_object_put(&(*bo)->tbo.base);
*bo = NULL;
}
/**
- * amdgpu_bo_pin_restricted - pin an &amdgpu_bo buffer object
+ * amdgpu_bo_pin - pin an &amdgpu_bo buffer object
* @bo: &amdgpu_bo buffer object to be pinned
* @domain: domain to be pinned to
- * @min_offset: the start of requested address range
- * @max_offset: the end of requested address range
*
- * Pins the buffer object according to requested domain and address range. If
- * the memory is unbound gart memory, binds the pages into gart table. Adjusts
- * pin_count and pin_size accordingly.
+ * Pins the buffer object according to requested domain. If the memory is
+ * unbound gart memory, binds the pages into gart table. Adjusts pin_count and
+ * pin_size accordingly.
*
* Pinning means to lock pages in memory along with keeping them at a fixed
* offset. It is required when a buffer can not be moved, for example, when
* a display buffer is being scanned out.
*
- * Compared with amdgpu_bo_pin(), this function gives more flexibility on
- * where to pin a buffer if there are specific restrictions on where a buffer
- * must be located.
- *
* Returns:
* 0 for success or a negative error code on failure.
*/
-int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
- u64 min_offset, u64 max_offset)
+int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
struct ttm_operation_ctx ctx = { false, false };
if (amdgpu_ttm_tt_get_usermm(bo->tbo.ttm))
return -EPERM;
- if (WARN_ON_ONCE(min_offset > max_offset))
- return -EINVAL;
-
/* Check domain to be pinned to against preferred domains */
if (bo->preferred_domains & domain)
domain = bo->preferred_domains & domain;
return -EINVAL;
ttm_bo_pin(&bo->tbo);
-
- if (max_offset != 0) {
- u64 domain_start = amdgpu_ttm_domain_start(adev,
- mem_type);
- WARN_ON_ONCE(max_offset <
- (amdgpu_bo_gpu_offset(bo) - domain_start));
- }
-
return 0;
}
bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
amdgpu_bo_placement_from_domain(bo, domain);
for (i = 0; i < bo->placement.num_placement; i++) {
- unsigned int fpfn, lpfn;
-
- fpfn = min_offset >> PAGE_SHIFT;
- lpfn = max_offset >> PAGE_SHIFT;
-
- if (fpfn > bo->placements[i].fpfn)
- bo->placements[i].fpfn = fpfn;
- if (!bo->placements[i].lpfn ||
- (lpfn && lpfn < bo->placements[i].lpfn))
- bo->placements[i].lpfn = lpfn;
-
if (bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS &&
bo->placements[i].mem_type == TTM_PL_VRAM)
bo->placements[i].flags |= TTM_PL_FLAG_CONTIGUOUS;
return r;
}
-/**
- * amdgpu_bo_pin - pin an &amdgpu_bo buffer object
- * @bo: &amdgpu_bo buffer object to be pinned
- * @domain: domain to be pinned to
- *
- * A simple wrapper to amdgpu_bo_pin_restricted().
- * Provides a simpler API for buffers that do not have any strict restrictions
- * on where a buffer must be located.
- *
- * Returns:
- * 0 for success or a negative error code on failure.
- */
-int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain)
-{
- bo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
- return amdgpu_bo_pin_restricted(bo, domain, 0, 0);
-}
-
/**
* amdgpu_bo_unpin - unpin an &amdgpu_bo buffer object
* @bo: &amdgpu_bo buffer object to be unpinned
projects / linux.git / blobdiff