linux-kernel - Re: [PATCH v4 05/22] drm/sun4i: frontend: Determine input format based on colorspace

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Date:   Wed, 5 Dec 2018 16:39:05 +0100
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Cc:     dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        David Airlie <airlied@...ux.ie>, Chen-Yu Tsai <wens@...e.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Sean Paul <sean@...rly.run>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        linux-sunxi@...glegroups.com, Daniel Vetter <daniel@...ll.ch>
Subject: Re: [PATCH v4 05/22] drm/sun4i: frontend: Determine input format
 based on colorspace

On Wed, Dec 05, 2018 at 09:36:46AM +0100, Paul Kocialkowski wrote:
> Since all the RGB input formats have the same value for the DATA_FMT
> field of the INPUT_FMT register, we can group them when the format is
> known to be RGB. Here, we assume that a non-YUV format is RGB, because
> the hardware does not support any other colorspace than RGB and YUV.
> 
> Use the DRM format info structure to check whether the format uses a
> YUV colorspace.
> 
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>

Acked-by: Maxime Ripard <maxime.ripard@...tlin.com>

Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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