From: Ville Syrjälä <[email protected]>

We want to get rid of plane->fb on atomic drivers. Stop looking at it.

Daniel pointed out that the drm_framebuffer_put() in the plane cleanup
indicates that the driver doesn't shut things down cleanly. To do
that we should be able to just call drm_atomic_helper_shutdown(). Not
really sure the current cleanup sequence is actually sane, but whatever.

v2: Replace the drm_framebuffer_put() with
    drm_atomic_helper_shutdown() (Daniel)

Cc: Daniel Vetter <[email protected]>
Cc: Boris Brezillon <[email protected]>
Signed-off-by: Ville Syrjälä <[email protected]>
---
 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c    |  1 +
 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 12 +-----------
 2 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c 
b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
index c1ea5c36b006..843cac222e60 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
@@ -681,6 +681,7 @@ static void atmel_hlcdc_dc_unload(struct drm_device *dev)
        drm_fb_cma_fbdev_fini(dev);
        flush_workqueue(dc->wq);
        drm_kms_helper_poll_fini(dev);
+       drm_atomic_helper_shutdown(dev);
        drm_mode_config_cleanup(dev);
 
        pm_runtime_get_sync(dev->dev);
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c 
b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index 9271c2fa3d79..8ecf02db8d01 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -820,16 +820,6 @@ static void atmel_hlcdc_plane_atomic_disable(struct 
drm_plane *p,
        atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_HLCDC_LAYER_ISR);
 }
 
-static void atmel_hlcdc_plane_destroy(struct drm_plane *p)
-{
-       struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p);
-
-       if (plane->base.fb)
-               drm_framebuffer_put(plane->base.fb);
-
-       drm_plane_cleanup(p);
-}
-
 static int atmel_hlcdc_plane_atomic_set_property(struct drm_plane *p,
                                                 struct drm_plane_state *s,
                                                 struct drm_property *property,
@@ -1039,7 +1029,7 @@ static void atmel_hlcdc_plane_atomic_destroy_state(struct 
drm_plane *p,
 static const struct drm_plane_funcs layer_plane_funcs = {
        .update_plane = drm_atomic_helper_update_plane,
        .disable_plane = drm_atomic_helper_disable_plane,
-       .destroy = atmel_hlcdc_plane_destroy,
+       .destroy = drm_plane_cleanup,
        .reset = atmel_hlcdc_plane_reset,
        .atomic_duplicate_state = atmel_hlcdc_plane_atomic_duplicate_state,
        .atomic_destroy_state = atmel_hlcdc_plane_atomic_destroy_state,
-- 
2.16.1

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