Commit 7d08c3b1 authored by Alex Hung's avatar Alex Hung Committed by Alex Deucher
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drm/amd/display: Add HDR workaround for a specific eDP 

[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: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: default avatarAlex Hung <alex.hung@amd.com>
Signed-off-by: default avatarWayne Lin <wayne.lin@amd.com>
Tested-by: default avatarDan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 99441824)
Cc: stable@vger.kernel.org
parent 4f2cd645

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c

+1 −0
Original line number Diff line number Diff line
@@ -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;