drm/exynos: Don't cast GEM object to Exynos GEM object when not needed

The exynos_drm_gem_dumb_map_offset() doesn't need to access any
Exynos-specific GEM object fields, don't cast the GEM object.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index fc91293..5c8b683 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -689,7 +689,6 @@ int exynos_drm_gem_dumb_map_offset(struct drm_file *file_priv,
                                   struct drm_device *dev, uint32_t handle,
                                   uint64_t *offset)
 {
-       struct exynos_drm_gem_obj *exynos_gem_obj;
        struct drm_gem_object *obj;
        int ret = 0;
 
@@ -710,15 +709,13 @@ int exynos_drm_gem_dumb_map_offset(struct drm_file *file_priv,
                goto unlock;
        }
 
-       exynos_gem_obj = to_exynos_gem_obj(obj);
-
-       if (!exynos_gem_obj->base.map_list.map) {
-               ret = drm_gem_create_mmap_offset(&exynos_gem_obj->base);
+       if (!obj->map_list.map) {
+               ret = drm_gem_create_mmap_offset(obj);
                if (ret)
                        goto out;
        }
 
-       *offset = (u64)exynos_gem_obj->base.map_list.hash.key << PAGE_SHIFT;
+       *offset = (u64)obj->map_list.hash.key << PAGE_SHIFT;
        DRM_DEBUG_KMS("offset = 0x%lx\n", (unsigned long)*offset);
 
 out: