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

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Message-Id: <54557F79-6DE1-4AA4-895A-C0F014926590@canonical.com>
Date:   Thu, 6 Jun 2019 16:04:29 +0800
From:   Kai-Heng Feng <kai.heng.feng@...onical.com>
To:     maarten.lankhorst@...ux.intel.com, maxime.ripard@...tlin.com,
        sean@...rly.run, airlied@...ux.ie, daniel@...ll.ch
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH] drm/edid: Add 6 bpc quirk for SDC panel in Lenovo G50

Hi,

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

> Another panel that needs 6BPC quirk.

Please include this patch if possible.

Kai-Heng

>
> BugLink: https://bugs.launchpad.net/bugs/1819968
> Cc: <stable@...r.kernel.org> # v4.8+
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.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 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