Use drm managed resource allocation (drmm_universal_plane_alloc()) in
order to get rid of the explicit destroy hook in struct drm_plane_funcs.

Signed-off-by: Danilo Krummrich <d...@redhat.com>
---
 drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c  |  4 ++--
 drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c | 25 ++++++++-------------
 2 files changed, 11 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c 
b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c
index 0b70624260fc..1dad90f701c8 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c
@@ -176,8 +176,8 @@ int fsl_dcu_drm_crtc_create(struct fsl_dcu_drm_device 
*fsl_dev)
        fsl_dcu_drm_init_planes(drm);
 
        primary = fsl_dcu_drm_primary_create_plane(drm);
-       if (!primary)
-               return -ENOMEM;
+       if (IS_ERR(primary))
+               return PTR_ERR(primary);
 
        ret = drmm_crtc_init_with_planes(drm, crtc, primary, NULL,
                                         &fsl_dcu_drm_crtc_funcs, NULL);
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c 
b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
index 91865956da02..23ff285da477 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
@@ -174,7 +174,6 @@ static const struct drm_plane_helper_funcs 
fsl_dcu_drm_plane_helper_funcs = {
 static const struct drm_plane_funcs fsl_dcu_drm_plane_funcs = {
        .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
        .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
-       .destroy = drm_plane_helper_destroy,
        .disable_plane = drm_atomic_helper_disable_plane,
        .reset = drm_atomic_helper_plane_reset,
        .update_plane = drm_atomic_helper_update_plane,
@@ -206,24 +205,18 @@ void fsl_dcu_drm_init_planes(struct drm_device *dev)
 struct drm_plane *fsl_dcu_drm_primary_create_plane(struct drm_device *dev)
 {
        struct drm_plane *primary;
-       int ret;
-
-       primary = kzalloc(sizeof(*primary), GFP_KERNEL);
-       if (!primary) {
-               DRM_DEBUG_KMS("Failed to allocate primary plane\n");
-               return NULL;
-       }
 
        /* possible_crtc's will be filled in later by crtc_init */
-       ret = drm_universal_plane_init(dev, primary, 0,
-                                      &fsl_dcu_drm_plane_funcs,
-                                      fsl_dcu_drm_plane_formats,
-                                      ARRAY_SIZE(fsl_dcu_drm_plane_formats),
-                                      NULL, DRM_PLANE_TYPE_PRIMARY, NULL);
-       if (ret) {
-               kfree(primary);
-               primary = NULL;
+       primary = drmm_universal_plane_alloc(dev, struct drm_plane, dev, 0,
+                                            &fsl_dcu_drm_plane_funcs,
+                                            fsl_dcu_drm_plane_formats,
+                                            
ARRAY_SIZE(fsl_dcu_drm_plane_formats),
+                                            NULL, DRM_PLANE_TYPE_PRIMARY, 
NULL);
+       if (IS_ERR(primary)) {
+               DRM_DEBUG_KMS("Failed to create primary plane\n");
+               return primary;
        }
+
        drm_plane_helper_add(primary, &fsl_dcu_drm_plane_helper_funcs);
 
        return primary;
-- 
2.37.3

Reply via email to