From: Mark Pearson Date: Tue, 19 May 2020 02:56:35 +0000 (-0400) Subject: drm/dp: Lenovo X13 Yoga OLED panel brightness fix X-Git-Tag: v5.7.5~320 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b846c5c78cf6365adf3b32645db39009c4710a2c;p=users%2Fdwmw2%2Flinux.git 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 --- 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