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drm/amd/display: Add HDR workaround for a specific eDP

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[WHY & HOW]
Some eDP panels suffer from flicking when HDR is enabled in KDE or
Gnome.

This add another quirk to worksaround to skip VSC that is incompatible
with an eDP panel.

Link: https://gitlab.freedesktop.org/drm/amd/-/issues/4452
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 99441824be)
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Hung
2025-10-16 20:08:10 -06:00
committed by Alex Deucher
parent 4f2cd64510
commit 7d08c3b173
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
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@@ -83,6 +83,7 @@ static void apply_edid_quirks(struct drm_device *dev, struct edid *edid, struct
edid_caps->panel_patch.remove_sink_ext_caps = true;
break;
case drm_edid_encode_panel_id('S', 'D', 'C', 0x4154):
case drm_edid_encode_panel_id('S', 'D', 'C', 0x4171):
drm_dbg_driver(dev, "Disabling VSC on monitor with panel id %X\n", panel_id);
edid_caps->panel_patch.disable_colorimetry = true;
break;