From: Hamza Mahfooz Date: Thu, 12 Oct 2023 18:49:27 +0000 (-0400) Subject: drm/edid: add 8 bpc quirk to the BenQ GW2765 X-Git-Tag: v6.6.17~3690^2~2^2~11 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=88630e91f12677848c0c4a5790ec0d691f8859fa;p=platform%2Fkernel%2Flinux-rpi.git drm/edid: add 8 bpc quirk to the BenQ GW2765 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@vger.kernel.org # 6.5+ Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2610 Reviewed-by: Harry Wentland Signed-off-by: Hamza Mahfooz Link: https://patchwork.freedesktop.org/patch/msgid/20231012184927.133137-1-hamza.mahfooz@amd.com --- diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 340da82..4b71040 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),