From: "Lee, Shawn C" <shawn.c.lee@xxxxxxxxx> [ Upstream commit 922dceff8dc1fb4dafc9af78139ba65671408103 ] BOE panel (ID: 0x0771) that reports "DFP 1.x compliant TMDS". But it's 6bpc panel only instead of 8 bpc. Add panel ID to edid quirk list and set 6 bpc as default to work around this issue. Cc: Jani Nikula <jani.nikula@xxxxxxxxx> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> Cc: Gustavo Padovan <gustavo@xxxxxxxxxxx> Cc: Cooper Chiou <cooper.chiou@xxxxxxxxx> Signed-off-by: Lee, Shawn C <shawn.c.lee@xxxxxxxxx>> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/1540792173-7288-1-git-send-email-shawn.c.lee@xxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpu/drm/drm_edid.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index d74d9a8cde2a..e20bfbc50ade 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -122,6 +122,9 @@ static const struct edid_quirk { /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */ { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC }, + /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */ + { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC }, + /* Belinea 10 15 55 */ { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 }, { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 }, -- 2.17.1
