[PATCH v3 01/38] drm/msm/dp: remove cached drm_edid from panel

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Mon Aug 25 16:41:08 UTC 2025


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 at oss.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


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