Re: [PATCH 00/10] drm/connector: add eld_mutex to protect connector->eld

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To: "Dmitry Baryshkov" <dmitry.baryshkov@xxxxxxxxxx>
Subject: Re: [PATCH 00/10] drm/connector: add eld_mutex to protect connector->eld
From: "Maxime Ripard" <mripard@xxxxxxxxxx>
Date: Mon, 02 Dec 2024 10:19:41 +0000
Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, freedreno@xxxxxxxxxxxxxxxxxxxxx, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, intel-xe@xxxxxxxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-arm-msm@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-samsung-soc@xxxxxxxxxxxxxxx, "Abhinav Kumar" <quic_abhinavk@xxxxxxxxxxx>, "Alain Volmat" <alain.volmat@xxxxxxxxxxx>, "Alex Deucher" <alexander.deucher@xxxxxxx>, "Alim Akhtar" <alim.akhtar@xxxxxxxxxxx>, "Andrzej Hajda" <andrzej.hajda@xxxxxxxxx>, Christian König <christian.koenig@xxxxxxx>, "Dave Stevenson" <dave.stevenson@xxxxxxxxxxxxxxx>, "David Airlie" <airlied@xxxxxxxxx>, "Harry Wentland" <harry.wentland@xxxxxxx>, "Inki Dae" <inki.dae@xxxxxxxxxxx>, "Jani Nikula" <jani.nikula@xxxxxxxxxxxxxxx>, "Jernej Skrabec" <jernej.skrabec@xxxxxxxxx>, "Jonas Karlman" <jonas@xxxxxxxxx>, "Joonas Lahtinen" <joonas.lahtinen@xxxxxxxxxxxxxxx>, "Krzysztof Kozlowski" <krzk@xxxxxxxxxx>, "Kyungmin Park" <kyungmin.park@xxxxxxxxxxx>, "Laurent Pinchart" <Laurent.pinchart@xxxxxxxxxxxxxxxx>, "Leo Li" <sunpeng.li@xxxxxxx>, "Maarten Lankhorst" <maarten.lankhorst@xxxxxxxxxxxxxxx>, "Marijn Suijten" <marijn.suijten@xxxxxxxxxxxxxx>, "Maxime Ripard" <mripard@xxxxxxxxxx>, Maíra Canal <mcanal@xxxxxxxxxx>, "Neil Armstrong" <neil.armstrong@xxxxxxxxxx>, "Phong LE" <ple@xxxxxxxxxxxx>, "Raphael Gallais-Pou" <rgallaispou@xxxxxxxxx>, "Raspberry Pi Kernel Maintenance" <kernel-list@xxxxxxxxxxxxxxx>, "Rob Clark" <robdclark@xxxxxxxxx>, "Robert Foss" <rfoss@xxxxxxxxxx>, "Rodrigo Siqueira" <Rodrigo.Siqueira@xxxxxxx>, "Rodrigo Vivi" <rodrigo.vivi@xxxxxxxxx>, "Sean Paul" <sean@xxxxxxxxxx>, "Seung-Woo Kim" <sw0312.kim@xxxxxxxxxxx>, "Simona Vetter" <simona@xxxxxxxx>, "Thomas Zimmermann" <tzimmermann@xxxxxxx>, "Tvrtko Ursulin" <tursulin@xxxxxxxxxxx>, "Xinhui Pan" <Xinhui.Pan@xxxxxxx>
In-reply-to: <20241201-drm-connector-eld-mutex-v1-0-ba56a6545c03@linaro.org>
References: <20241201-drm-connector-eld-mutex-v1-0-ba56a6545c03@linaro.org>

On Sun, 1 Dec 2024 01:55:17 +0200, Dmitry Baryshkov wrote:
> The connector->eld is accessed by the .get_eld() callback. This access
> can collide with the drm_edid_to_eld() updating the data at the same
> time. Add drm_connector.eld_mutex to protect the data from concurrenct
> access.
> 
> 
> [ ... ]

Reviewed-by: Maxime Ripard <mripard@xxxxxxxxxx>

Thanks!
Maxime

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References:
- [PATCH 00/10] drm/connector: add eld_mutex to protect connector->eld
  - From: Dmitry Baryshkov

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