drm/radeon: add radeon_bo_ref function

To be consistent with radeon_bo_unref, needed in the following patch.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2014-07-30 21:04:56 +02:00 committed by Alex Deucher
parent e7e31600d3
commit 512d8afc5d
2 changed files with 10 additions and 0 deletions

View file

@ -236,6 +236,15 @@ void radeon_bo_kunmap(struct radeon_bo *bo)
ttm_bo_kunmap(&bo->kmap);
}
struct radeon_bo *radeon_bo_ref(struct radeon_bo *bo)
{
if (bo == NULL)
return NULL;
ttm_bo_reference(&bo->tbo);
return bo;
}
void radeon_bo_unref(struct radeon_bo **bo)
{
struct ttm_buffer_object *tbo;

View file

@ -129,6 +129,7 @@ extern int radeon_bo_create(struct radeon_device *rdev,
struct radeon_bo **bo_ptr);
extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr);
extern void radeon_bo_kunmap(struct radeon_bo *bo);
extern struct radeon_bo *radeon_bo_ref(struct radeon_bo *bo);
extern void radeon_bo_unref(struct radeon_bo **bo);
extern int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr);
extern int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain,