Hi Marek,
On Sat, Oct 16, 2021 at 11:04:46PM +0200, Marek Vasut wrote:
> The mxsfb->crtc.funcs may already be NULL when unloading the driver,
> in which case calling mxsfb_irq_disable() via drm_irq_uninstall() from
> mxsfb_unload() leads to NULL pointer dereference.
>
> Since all we care about is masking the IRQ and mxsfb->base is still
> valid, just use that to clear and mask the IRQ.
>
> Fixes: ae1ed00932819 ("drm: mxsfb: Stop using DRM simple display pipeline helper")
> Signed-off-by: Marek Vasut <marex@xxxxxxx>
> Cc: Daniel Abrecht <public@xxxxxxxxxxxxxxxx>
> Cc: Emil Velikov <emil.l.velikov@xxxxxxxxx>
> Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Cc: Stefan Agner <stefan@xxxxxxxx>
Applied to drm-misc-fixes.
Sam
