[PATCH] EDID quirk for Lenovo G50-80 (force 6bpc)

2017-05-15 Thread Tomasz Papież
Signed-off-by: Tomasz Papież diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 2e55599816aa..42b619690428 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -152,6 +152,9 @@ static const struct edid_quirk { /* Medion MD 30217 PG

PROBLEM: EDID regression results in color banding on Lenovo G50 series laptops [fix proposition]

2017-05-08 Thread Tomasz Papież
Since the introduction of kernel 4.8 I've been experiencing color banding on my Lenovo G50-80 notebook. I also had reports of the same symptoms on the G50-70 model. I figured out that the problem had been introduced by commit 210a021dab639694600450c14b877bf3e3240adc The G50-80's LCD panel su