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 <ma...@denx.de>
> Cc: Daniel Abrecht <pub...@danielabrecht.ch>
> Cc: Emil Velikov <emil.l.veli...@gmail.com>
> Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> Cc: Sam Ravnborg <s...@ravnborg.org>
> Cc: Stefan Agner <ste...@agner.ch>

Applied to drm-misc-fixes.

        Sam

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