There's another panel that reports "DFP 1.x compliant TMDS" but it supports 6bpc instead of 8 bpc.
Apply 6 bpc quirk for the panel to fix it.
BugLink: https://bugs.launchpad.net/bugs/1794387 Cc: stable@vger.kernel.org # v4.8+ Signed-off-by: Kai-Heng Feng kai.heng.feng@canonical.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 3c9fc99648b7..1e2b9407c8d0 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -113,6 +113,9 @@ static const struct edid_quirk { /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */ { "AEO", 0, EDID_QUIRK_FORCE_6BPC },
+ /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */ + { "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC }, + /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */ { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },