[PATCH] Lenovo X13 Yoga OLED panel brightness fix. Add another panel that needs the edid quirk to the list so that brightness control works correctly. Fixes issue seen on Lenovo X13 Yoga with OLED panel

[Mark Pearson]

Co-developed-by: jendr...@lenovo.com
Signed-off-by: Mark Pearson <mpear...@lenovo.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 c6fbe6e6bc9d..41f0e797ce8c 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -1313,6 +1313,7 @@ static const struct edid_quirk edid_quirk_list[] = {
        { MFG(0x06, 0xaf), PROD_ID(0xeb, 0x41), 
BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
        { 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) },
 };
 
 #undef MFG
-- 
2.26.2

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