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: [email protected]
Signed-off-by: Mark Pearson <[email protected]>
[fixed commit message, sobs]
Signed-off-by: Lyude Paul <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: Mark Pearson

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