Re: [PATCH] drm/edid: Add 6 bpc quirk for SDC panel in Lenovo G50

From: Kai-Heng Feng
Date: Thu Jun 06 2019 - 04:08:41 EST


Hi,

at 11:30, Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx> wrote:

Another panel that needs 6BPC quirk.

Please include this patch if possible.

Kai-Heng


BugLink: https://bugs.launchpad.net/bugs/1819968
Cc: <stable@xxxxxxxxxxxxxxx> # v4.8+
Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
---
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 990b1909f9d7..1cb4d0052efe 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -166,6 +166,9 @@ static const struct edid_quirk {
/* Medion MD 30217 PG */
{ "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },

+ /* Lenovo G50 */
+ { "SDC", 18514, EDID_QUIRK_FORCE_6BPC },
+
/* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
{ "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },

--
2.17.1