From b846c5c78cf6365adf3b32645db39009c4710a2c Mon Sep 17 00:00:00 2001 From: Mark Pearson Date: Mon, 18 May 2020 22:56:35 -0400 Subject: [PATCH] drm/dp: Lenovo X13 Yoga OLED panel brightness fix [ Upstream commit 0df3ff451287d71c620384eb7bb2cd3a8106412c ] 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 [fixed commit message, sobs] Signed-off-by: Lyude Paul Link: https://patchwork.freedesktop.org/patch/msgid/20200519025635.22846-1-mpearson@lenovo.com Signed-off-by: Sasha Levin --- 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 c6fbe6e6bc9dc..41f0e797ce8cc 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 -- 2.51.0