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. 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
