linux-kernel - Re: [PATCH v2 11/43] drm/fourcc: Add format info helpers for checking YUV sub-sampling

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Message-ID: <20181127084949.2dk22mjgaq674qgq@flea>
Date:   Tue, 27 Nov 2018 09:49:49 +0100
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Cc:     linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Chen-Yu Tsai <wens@...e.org>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        linux-sunxi@...glegroups.com, Daniel Vetter <daniel@...ll.ch>
Subject: Re: [PATCH v2 11/43] drm/fourcc: Add format info helpers for
 checking YUV sub-sampling

On Fri, Nov 23, 2018 at 10:24:43AM +0100, Paul Kocialkowski wrote:
> Display engine drivers often need to distinguish between different types of
> YUV sub-sampling. This introduces helpers to check for common sub-sampling
> ratios in their commonly-used denomination from the DRM format info.
> 
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>

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

Maxime

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

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