On Mon, Nov 23, 2020 at 08:50:49AM +0100, Thomas Zimmermann wrote:
>
>
> Am 20.11.20 um 15:42 schrieb Maxime Ripard:
> > The current HVS muxing code will consider the CRTCs in a given state to
> > setup their muxing in the HVS, and disable the other CRTCs muxes.
> >
> > However, it's valid to only update a single CRTC with a state, and in this
> > situation we would mux out a CRTC that was enabled but left untouched by
> > the new state.
> >
> > Fix this by setting a flag on the CRTC state when the muxing has been
> > changed, and only change the muxing configuration when that flag is there.
> >
> > Fixes: 87ebcd42fb7b ("drm/vc4: crtc: Assign output to channel automatically")
> > Reviewed-by: Hoegeun Kwon <hoegeun.kwon@xxxxxxxxxxx>
> > Tested-by: Hoegeun Kwon <hoegeun.kwon@xxxxxxxxxxx>
> > Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
>
> Reviewed-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Applied both, thanks!
Maxime
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