drm: rcar-du: Perform initialization/cleanup at probe/remove time
commit c1d4b38c upstream. The drm driver .load() operation is prone to race conditions as it initializes the driver after registering the device nodes. Its usage is deprecated, inline it in the probe function and call drm_dev_alloc() and drm_dev_register() explicitly. For consistency inline the .unload() handler in the remove function as well. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Thong Ho <thong.ho.px@rvc.renesas.com> Signed-off-by: Nhan Nguyen <nhan.nguyen.yb@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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