On Tue, Nov 13, 2018 at 12:52:14AM -0500, Sasha Levin wrote: > 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> Given that I'm not a fan of AUTOSEL at all: This one here is correctly cherry-picked for stable, ack. -Daniel > --- > 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 83d2f43b5a2f..c93dcfedc219 100644 > --- a/drivers/gpu/drm/drm_edid.c > +++ b/drivers/gpu/drm/drm_edid.c > @@ -116,6 +116,9 @@ 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 > -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch