linux-kernel - Re: [PATCH v3 01/38] drm/msm/dp: remove cached drm

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Message-ID: <otmy4kttxflsxkvacwdsqynck4nqeww7jsxaq2xwjtlooxnhvx@gmpezdliskck>
Date: Mon, 25 Aug 2025 19:41:08 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Yongxing Mou <yongxing.mou@....qualcomm.com>
Cc: Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 01/38] drm/msm/dp: remove cached drm_edid from panel

On Mon, Aug 25, 2025 at 10:15:47PM +0800, Yongxing Mou wrote:
> The cached drm_edid in msm_dp_panel was redundant and led to unnecessary
> state management complexity. This change removes the drm_edid member from

Please see Documentation/process/submitting-patches.rst on how to write
commit messages. Please use imperative language instead of describing
the changes.

THe patch LGTM.

> the panel structure and refactors related functions to use locally read
> EDID data instead.
> 
> - Replaces msm_dp_panel_read_sink_caps() with msm_dp_panel_read_link_caps()
> - Updates msm_dp_panel_handle_sink_request() to accept drm_edid as input
> - Removes msm_dp_panel_get_modes() and drm_edid caching logic
> - Cleans up unused drm_edid_free() calls
> 
> This simplifies EDID handling and avoids stale data issues.
> 
> Signed-off-by: Yongxing Mou <yongxing.mou@....qualcomm.com>
> ---
>  drivers/gpu/drm/msm/dp/dp_display.c | 28 +++++++++++++++-------
>  drivers/gpu/drm/msm/dp/dp_panel.c   | 47 ++++---------------------------------
>  drivers/gpu/drm/msm/dp/dp_panel.h   |  9 +++----
>  3 files changed, 26 insertions(+), 58 deletions(-)
> 

-- 
With best wishes
Dmitry