From: Christian König <christian.koenig@xxxxxxx>
To be consistent with radeon_bo_unref, needed in the following patch.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
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,
--
1.9.1
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