Change struct mdp4_plane allocation to use drmm_plane_alloc(). This
removes the need to perform any actions on plane destruction.

Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
 drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c | 59 ++++++++--------------
 1 file changed, 20 insertions(+), 39 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c 
b/drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c
index b689b618da78..1149e6721534 100644
--- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c
+++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c
@@ -20,12 +20,6 @@ struct mdp4_plane {
        const char *name;
 
        enum mdp4_pipe pipe;
-
-       uint32_t caps;
-       uint32_t nformats;
-       uint32_t formats[32];
-
-       bool enabled;
 };
 #define to_mdp4_plane(x) container_of(x, struct mdp4_plane, base)
 
@@ -59,15 +53,6 @@ static struct mdp4_kms *get_kms(struct drm_plane *plane)
        return to_mdp4_kms(to_mdp_kms(priv->kms));
 }
 
-static void mdp4_plane_destroy(struct drm_plane *plane)
-{
-       struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane);
-
-       drm_plane_cleanup(plane);
-
-       kfree(mdp4_plane);
-}
-
 /* helper to install properties which are common to planes and crtcs */
 static void mdp4_plane_install_properties(struct drm_plane *plane,
                struct drm_mode_object *obj)
@@ -85,7 +70,6 @@ static int mdp4_plane_set_property(struct drm_plane *plane,
 static const struct drm_plane_funcs mdp4_plane_funcs = {
                .update_plane = drm_atomic_helper_update_plane,
                .disable_plane = drm_atomic_helper_disable_plane,
-               .destroy = mdp4_plane_destroy,
                .set_property = mdp4_plane_set_property,
                .reset = drm_atomic_helper_plane_reset,
                .atomic_duplicate_state = 
drm_atomic_helper_plane_duplicate_state,
@@ -377,31 +361,34 @@ struct drm_plane *mdp4_plane_init(struct drm_device *dev,
 {
        struct drm_plane *plane = NULL;
        struct mdp4_plane *mdp4_plane;
-       int ret;
        enum drm_plane_type type;
+       uint32_t pipe_caps;
+       const uint32_t *formats;
+       size_t nformats;
 
-       mdp4_plane = kzalloc(sizeof(*mdp4_plane), GFP_KERNEL);
-       if (!mdp4_plane) {
-               ret = -ENOMEM;
-               goto fail;
+       type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
+
+       pipe_caps = mdp4_pipe_caps(pipe_id);
+       if (pipe_supports_yuv(pipe_caps)) {
+               formats = mdp_rgb_yuv_formats;
+               nformats = mdp_rgb_yuv_num_formats;
+       } else {
+               formats = mdp_rgb_formats;
+               nformats = mdp_rgb_num_formats;
        }
 
+       mdp4_plane = drmm_universal_plane_alloc(dev, struct mdp4_plane, base,
+                                               0xff, &mdp4_plane_funcs,
+                                               formats, nformats,
+                                               supported_format_modifiers,
+                                               type, NULL);
+       if (IS_ERR(mdp4_plane))
+               return ERR_CAST(mdp4_plane);
+
        plane = &mdp4_plane->base;
 
        mdp4_plane->pipe = pipe_id;
        mdp4_plane->name = pipe_names[pipe_id];
-       mdp4_plane->caps = mdp4_pipe_caps(pipe_id);
-
-       mdp4_plane->nformats = mdp_get_formats(mdp4_plane->formats,
-                       ARRAY_SIZE(mdp4_plane->formats),
-                       !pipe_supports_yuv(mdp4_plane->caps));
-
-       type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
-       ret = drm_universal_plane_init(dev, plane, 0xff, &mdp4_plane_funcs,
-                                mdp4_plane->formats, mdp4_plane->nformats,
-                                supported_format_modifiers, type, NULL);
-       if (ret)
-               goto fail;
 
        drm_plane_helper_add(plane, &mdp4_plane_helper_funcs);
 
@@ -410,10 +397,4 @@ struct drm_plane *mdp4_plane_init(struct drm_device *dev,
        drm_plane_enable_fb_damage_clips(plane);
 
        return plane;
-
-fail:
-       if (plane)
-               mdp4_plane_destroy(plane);
-
-       return ERR_PTR(ret);
 }
-- 
2.39.2

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