From: Christian König christian.koenig@amd.com
To be consistent with radeon_bo_unref, needed in the following patch.
Signed-off-by: Christian König christian.koenig@amd.com --- drivers/gpu/drm/radeon/radeon_object.c | 9 +++++++++ drivers/gpu/drm/radeon/radeon_object.h | 1 + 2 files changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 9505766..480c87d 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -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; diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h index 972ec0f..98a47fd 100644 --- a/drivers/gpu/drm/radeon/radeon_object.h +++ b/drivers/gpu/drm/radeon/radeon_object.h @@ -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,