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| author | Christian König <christian.koenig@amd.com> | 2014-07-30 21:04:56 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-08-05 08:53:53 -0400 |
| commit | 512d8afc5d971be1e32596c6ad0a68abe1373cd9 (patch) | |
| tree | fe085959774760c7b808b176289416b5c8009905 | |
| parent | e7e31600d3e2f8b7726b0521149fc55c62a90467 (diff) | |
| download | linux-512d8afc5d971be1e32596c6ad0a68abe1373cd9.tar.bz2 | |
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>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_object.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_object.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 9505766e46dd..480c87d8edc5 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 972ec0f2d851..98a47fdf3625 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, |