diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_object.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_object.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index d7ab91416410..a598d0049aa5 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -69,7 +69,7 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain) u32 c = 0; rbo->placement.fpfn = 0; - rbo->placement.lpfn = rbo->rdev->mc.active_vram_size >> PAGE_SHIFT; + rbo->placement.lpfn = 0; rbo->placement.placement = rbo->placements; rbo->placement.busy_placement = rbo->placements; if (domain & RADEON_GEM_DOMAIN_VRAM) @@ -86,11 +86,13 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain) } int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj, - unsigned long size, bool kernel, u32 domain, - struct radeon_bo **bo_ptr) + unsigned long size, int byte_align, bool kernel, u32 domain, + struct radeon_bo **bo_ptr) { struct radeon_bo *bo; enum ttm_bo_type type; + unsigned long page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT; + unsigned long max_size = 0; int r; if (unlikely(rdev->mman.bdev.dev_mapping == NULL)) { @@ -102,6 +104,16 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj, type = ttm_bo_type_device; } *bo_ptr = NULL; + + /* maximun bo size is the minimun btw visible vram and gtt size */ + max_size = min(rdev->mc.visible_vram_size, rdev->mc.gtt_size); + if ((page_align << PAGE_SHIFT) >= max_size) { + printk(KERN_WARNING "%s:%d alloc size %ldM bigger than %ldMb limit\n", + __func__, __LINE__, page_align >> (20 - PAGE_SHIFT), max_size >> 20); + return -ENOMEM; + } + +retry: bo = kzalloc(sizeof(struct radeon_bo), GFP_KERNEL); if (bo == NULL) return -ENOMEM; @@ -109,13 +121,11 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj, bo->gobj = gobj; bo->surface_reg = -1; INIT_LIST_HEAD(&bo->list); - -retry: radeon_ttm_placement_from_domain(bo, domain); /* Kernel allocation are uninterruptible */ mutex_lock(&rdev->vram_mutex); r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type, - &bo->placement, 0, 0, !kernel, NULL, size, + &bo->placement, page_align, 0, !kernel, NULL, size, &radeon_ttm_bo_destroy); mutex_unlock(&rdev->vram_mutex); if (unlikely(r != 0)) { |