[PATCH] drm/vc4: Fix HDMI mode validation

[Maxime Ripard]

On Fri, Mar 27, 2020 at 12:46:52PM +0100, Nicolas Saenz Julienne wrote:
> Hi Daniel,
>
> On Thu, 2020-03-26 at 13:20 +0100, Nicolas Saenz Julienne wrote:
> > Current mode validation impedes setting up some video modes which should
> > be supported otherwise. Namely 1920x1200 at 60Hz.
> >
> > Fix this by lowering the minimum HDMI state machine clock to pixel clock
> > ratio allowed.
> >
> > Fixes: 32e823c63e90 ("drm/vc4: Reject HDMI modes with too high of clocks")
> > Reported-by: Stefan Wahren <stefan.wahren at i2se.com>
> > Suggested-by: Dave Stevenson <dave.stevenson at raspberrypi.com>
> > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne at suse.de>
>
> Would it be possible for you to take this in for v5.7 (or as a fix for v5.6,
> but it seems a little late)?
>
> A device-tree patch I have to channel trough the SoC tree depends on this to
> avoid regressions.

I've applied it for 5.7-rc1

Maxime
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