diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 8207862b70d1..aaa7898b0b6d 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -309,6 +309,7 @@ int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id, return ret; } +/* get iova, taking a reference. Should have a matching put */ int msm_gem_get_iova(struct drm_gem_object *obj, int id, uint32_t *iova) { struct msm_gem_object *msm_obj = to_msm_bo(obj); @@ -328,6 +329,16 @@ int msm_gem_get_iova(struct drm_gem_object *obj, int id, uint32_t *iova) return ret; } +/* get iova without taking a reference, used in places where you have + * already done a 'msm_gem_get_iova()'. + */ +uint32_t msm_gem_iova(struct drm_gem_object *obj, int id) +{ + struct msm_gem_object *msm_obj = to_msm_bo(obj); + WARN_ON(!msm_obj->domain[id].iova); + return msm_obj->domain[id].iova; +} + void msm_gem_put_iova(struct drm_gem_object *obj, int id) { // XXX TODO .. |