linux-kernel - Re: [PATCH 0/6] drm/bridge: add ycbcr_420

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Message-ID: <ad1d1208-fb0d-4656-80e7-1af0e8a4e421@linaro.org>
Date: Tue, 22 Oct 2024 14:15:56 +0200
From: neil.armstrong@...aro.org
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Andrzej Hajda <andrzej.hajda@...el.com>, Robert Foss <rfoss@...nel.org>,
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Rob Clark <robdclark@...il.com>, Abhinav Kumar <quic_abhinavk@...cinc.com>,
 Sean Paul <sean@...rly.run>, Marijn Suijten <marijn.suijten@...ainline.org>,
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
 Alexander Stein <alexander.stein@...tq-group.com>
Subject: Re: [PATCH 0/6] drm/bridge: add ycbcr_420_allowed support

On 21/10/2024 20:22, Dmitry Baryshkov wrote:
> On Mon, 21 Oct 2024 at 15:32, Neil Armstrong <neil.armstrong@...aro.org> wrote:
>>
>> Hi,
>>
>> On 18/10/2024 23:49, Dmitry Baryshkov wrote:
>>> One of the features that drm_bridge_connector can't handle currently is
>>> setting of the ycbcr_420_allowed flag on the connector. Add the flag to
>>> the drm_bridge struct and propagate it to the drm_connector as AND of
>>> all flags in the bridge chain.
>>>
>>> As an example of the conversion, enable the flag on the DW HDMI bridge,
>>> MSM DP bridge, display connector drivers (for DisplayPort and HDMI
>>> outputs) and AUX bridges.
>>>
>>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
>>> ---
>>> Dmitry Baryshkov (6):
>>>         drm/display: bridge_connector: handle ycbcr_420_allowed
>>>         drm/atomic: add interlaced and ycbcr_420 flags to connector's state dump
>>>         drm/bridge: display-connector: allow YCbCr 420 for HDMI and DP
>>>         drm/bridge: aux: allow interlaced and YCbCr 420 output
>>>         drm/msm/dp: migrate the ycbcr_420_allowed to drm_bridge
>>
>> How do you plan to merge this serie ?
> 
> Once Abhinav ack's the msm/dp change, I'd like to land it through
> drm-misc. I think it's the most logical way to go.

Yup, Abhinav acked it, LGTM

Neil

> 
>