linux-kernel - Re: [PATCH v11 17/28] drm/connector: hdmi: Add Broadcast RGB property

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Message-ID: <20240419-intrepid-enthusiastic-spoonbill-3fb9f2@houat>
Date: Fri, 19 Apr 2024 13:36:34 +0200
From: Maxime Ripard <mripard@...nel.org>
To: Ville Syrjälä <ville.syrjala@...ux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, 
	Daniel Vetter <daniel@...ll.ch>, Jonathan Corbet <corbet@....net>, 
	Sandy Huang <hjc@...k-chips.com>, Heiko Stübner <heiko@...ech.de>, 
	Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>, 
	Samuel Holland <samuel@...lland.org>, Hans Verkuil <hverkuil@...all.nl>, 
	Sebastian Wick <sebastian.wick@...hat.com>, dri-devel@...ts.freedesktop.org, 
	linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org, linux-sunxi@...ts.linux.dev, 
	Dave Stevenson <dave.stevenson@...pberrypi.com>, Pekka Paalanen <pekka.paalanen@...labora.com>
Subject: Re: [PATCH v11 17/28] drm/connector: hdmi: Add Broadcast RGB property

On Tue, Apr 16, 2024 at 05:00:26PM +0300, Ville Syrjälä wrote:
> On Tue, Mar 26, 2024 at 04:40:21PM +0100, Maxime Ripard wrote:
> > The i915 driver has a property to force the RGB range of an HDMI output.
> > The vc4 driver then implemented the same property with the same
> > semantics. KWin has support for it, and a PR for mutter is also there to
> > support it.
> 
> Is there a i915 patch to switch over to hdmi.broadcast_rgb? Though
> the "hdmi" name is perhaps not the best idea given this is also a
> thing for DP.

No, there's none yet. I can try to cook one as a follow-up, but I have
no way to test it

Maxime

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