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path: root/drivers/gpu/drm/radeon/radeon_object.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_object.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_object.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 8eb183466015..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)) {
@@ -103,6 +105,14 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj,
}
*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)
@@ -115,7 +125,7 @@ retry:
/* 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)) {