On Thu, Oct 12, 2023 at 02:49:27PM -0400, Hamza Mahfooz wrote: > The BenQ GW2765 reports that it supports higher (> 8) bpc modes, but > when trying to set them we end up with a black screen. So, limit it to 8 > bpc modes. Bad cable/etc was ruled out as the cause? > > Cc: stable@xxxxxxxxxxxxxxx # 6.5+ > Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2610 > Signed-off-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx> > --- > 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 0454da505687..bca2af4fe1fc 100644 > --- a/drivers/gpu/drm/drm_edid.c > +++ b/drivers/gpu/drm/drm_edid.c > @@ -123,6 +123,9 @@ static const struct edid_quirk { > /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */ > EDID_QUIRK('A', 'E', 'O', 0, EDID_QUIRK_FORCE_6BPC), > > + /* BenQ GW2765 */ > + EDID_QUIRK('B', 'N', 'Q', 0x78d6, EDID_QUIRK_FORCE_8BPC), > + > /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */ > EDID_QUIRK('B', 'O', 'E', 0x78b, EDID_QUIRK_FORCE_6BPC), > > -- > 2.42.0 -- Ville Syrjälä Intel
