diff options
| author | Kai-Heng Feng <kai.heng.feng@canonical.com> | 2018-08-23 05:53:32 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-15 09:43:01 +0200 |
| commit | ee45a6792b26134b9b31f0048db3f5b99dc229d3 (patch) | |
| tree | ab09cc5bb3e36616f0978d40478a506c568b6219 /drivers/gpu | |
| parent | 36a7f0ad9405853a862c139638f93e5a6370e3d2 (diff) | |
drm/edid: Add 6 bpc quirk for SDC panel in Lenovo B50-80
commit 25da75043f8690fd083878447c91f289dfb63b87 upstream.
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/1788308
Cc: <stable@vger.kernel.org> # v4.8+
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20180823055332.7723-1-kai.heng.feng@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/drm_edid.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 6b31e0474271..37ba5f51378e 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -110,6 +110,9 @@ static const struct edid_quirk { /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */ { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC }, + /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */ + { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC }, + /* Belinea 10 15 55 */ { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 }, { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 }, |