[PATCH v3 3/9] drm/vc4: hdmi: Add Broadcast RGB property to allow override of RGB range

[Maxime Ripard]

Hi,

On Wed, Oct 11, 2023 at 03:23:18PM +0200, Daniel Vetter wrote:
> On Mon, 6 Mar 2023 at 11:49, Maxime Ripard <maxime at cerno.tech> wrote:
> >
> > From: Dave Stevenson <dave.stevenson at raspberrypi.com>
> >
> > Copy Intel's "Broadcast RGB" property semantics to add manual override
> > of the HDMI pixel range for monitors that don't abide by the content
> > of the AVI Infoframe.
> >
> > Signed-off-by: Dave Stevenson <dave.stevenson at raspberrypi.com>
> > Signed-off-by: Maxime Ripard <maxime at cerno.tech>
> 
> Stumbled over this grepping around, but would have been nice to lift
> this into drm code and document the property. It's one of the legacy
> ones from the table of horrors after all ...
> 
> Shouldn't be an uapi problem because it's copypasted to much, just not great.

We already discussed it on IRC, but just for the record I have a current
series that should address exactly that:

https://lore.kernel.org/dri-devel/20230920-kms-hdmi-connector-state-v2-3-17932daddd7d@kernel.org/

Maxime
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