[PATCH] drm/mxsfb: Disable overlay plane in mxsfb_plane_overlay_atomic_disable()

[Ying Liu]

On Mon, Jun 12, 2023 at 5:06 PM Marek Vasut <marex at denx.de> wrote:
>
> On 6/12/23 09:55, Liu Ying wrote:
> > When disabling overlay plane in mxsfb_plane_overlay_atomic_update(),
> > overlay plane's framebuffer pointer is NULL.  So, dereferencing it would
> > cause a kernel Oops(NULL pointer dereferencing).  Fix the issue by
> > disabling overlay plane in mxsfb_plane_overlay_atomic_disable() instead.
> >
> > Fixes: cb285a5348e7 ("drm: mxsfb: Replace mxsfb_get_fb_paddr() with drm_fb_cma_get_gem_addr()")
> > Signed-off-by: Liu Ying <victor.liu at nxp.com>
>
> Should this be Cc: stable too ?

Ok, will explicitly Cc: stable.  Thanks.