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authorAlex Hung <alex.hung@amd.com>2024-09-06 11:39:18 -0600
committerAlex Deucher <alexander.deucher@amd.com>2024-10-01 17:33:25 -0400
commit4d4257280d7957727998ef90ccc7b69c7cca8376 (patch)
tree95be391b972081a42c5420aeaec203d268998008 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
parentdrm/amd/display: Clip rect size changes should be full updates (diff)
downloadlinux-4d4257280d7957727998ef90ccc7b69c7cca8376.tar.gz
linux-4d4257280d7957727998ef90ccc7b69c7cca8376.zip
drm/amd/display: Add HDR workaround for specific eDP
[WHY & HOW] Some eDP panels suffer from flicking when HDR is enabled in KDE. This quirk works around it by skipping VSC that is incompatible with eDP panels. Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3151 Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index 50109d13d967..069e0195e50a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -73,6 +73,10 @@ static void apply_edid_quirks(struct edid *edid, struct dc_edid_caps *edid_caps)
DRM_DEBUG_DRIVER("Clearing DPCD 0x317 on monitor with panel id %X\n", panel_id);
edid_caps->panel_patch.remove_sink_ext_caps = true;
break;
+ case drm_edid_encode_panel_id('S', 'D', 'C', 0x4154):
+ DRM_DEBUG_DRIVER("Disabling VSC on monitor with panel id %X\n", panel_id);
+ edid_caps->panel_patch.disable_colorimetry = true;
+ break;
default:
return;
}