[PATCH 1/1][SRU][F][G][H][OEM-5.6] UBUNTU: SAUCE: drm/dp: Add dpcd backlight control for 0x4c83 0x4f41

[AceLan Kao]

From: Kai-Chuan Hsieh <kaichuan.hsieh at canonical.com>

BugLink: https://bugs.launchpad.net/bugs/1905663

Signed-off-by: Kai-Chuan Hsieh <kaichuan.hsieh at canonical.com>
Signed-off-by: AceLan Kao <acelan.kao at canonical.com>
---
 drivers/gpu/drm/drm_dp_helper.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index 309aed857348..b835dde8cc7b 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -1466,6 +1466,7 @@ static const struct edid_quirk edid_quirk_list[] = {
 	{ MFG(0x4d, 0x10), PROD_ID(0xc7, 0x14), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
 	{ MFG(0x4d, 0x10), PROD_ID(0xe6, 0x14), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
 	{ MFG(0x4c, 0x83), PROD_ID(0x47, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
+	{ MFG(0x4c, 0x83), PROD_ID(0x4f, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
 	/*
 	 * Some HP ZBook Studio G7 systems have panels support and relies on
 	 * PSR being enabled.
-- 
2.25.1