[PATCH 1/9] drm: rcar-du: Fix crash when using LVDS1 clock for CRTC

[Laurent Pinchart]

Geert,

On Mon, Dec 07, 2020 at 09:15:11AM +0100, Geert Uytterhoeven wrote:
> On Fri, Dec 4, 2020 at 11:02 PM Laurent Pinchart wrote:
> > On D3 and E3 platforms, the LVDS encoder includes a PLL that can
> > generate a clock for the corresponding CRTC, used even when the CRTC
> > output to a non-LVDS port. This mechanism is supported by the driver,
> > but the implementation is broken in dual-link LVDS mode. In that case,
> > the LVDS1 drm_encoder is skipped, which causes a crash when trying to
> > access its bridge later on.
> >
> > Fix this by storing bridge pointers internally instead of retrieving
> > them from the encoder.
> >
> > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
> 
> Thanks for your patch!
> 
> I think this warrants a Fixes tag, to assist the stable team in backporting
> this fix.

I'll add one.

-- 
Regards,

Laurent Pinchart