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

[Marek Vasut]

On 6/12/23 11:15, Ying Liu wrote:
> 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.

Add

Reviewed-by: Marek Vasut <marex at denx.de>

And also, wait a little bit for RB from others.

Thanks !