drm/dp: 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

Co-developed-by: jendrina@lenovo.com
Signed-off-by: Mark Pearson <mpearson@gmail.com>
[fixed commit message, sobs]
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200519025635.22846-1-mpearson@lenovo.com

diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index c6fbe6e6bc9dcf7807d5422e621d3adbd1da5641..41f0e797ce8cce0ad16563a5f84652d3495e5fff 100644 (file)
--- 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