[PATCH] drm/dp: Add dpcd backlight control for 0x4c83 0x4f41

[Kai-Chuan Hsieh]

Signed-off-by: Kai-Chuan Hsieh <kaichuan.hs...@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 deeed73f4ed6..6789e30a3cba 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -1882,6 +1882,7 @@ 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) },
 };
 
 #undef MFG
-- 
2.25.1