Messages in this thread | | | Date | Fri, 13 Oct 2023 07:37:06 -0400 | Subject | Re: [PATCH] drm/edid: add 8 bpc quirk to the BenQ GW2765 | From | Hamza Mahfooz <> |
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On 10/13/23 06:30, Ville Syrjälä wrote: > 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?
Yup, the issue was also reproduced by two different people with same aforementioned monitor.
> >> >> Cc: stable@vger.kernel.org # 6.5+ >> Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2610 >> Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com> >> --- >> 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 > -- Hamza
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