Re: [PATCH] drm/edid: Add 6 bpc quirk for SDC panel in Lenovo B50-80

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On Thu, Aug 23, 2018 at 05:53:32AM +0000, Kai-Heng Feng wrote:
> 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@xxxxxxxxxxxxxxx> # v4.8+
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>

Applied, thanks.
-Daniel

> ---
>  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 5dc742b27ca0..3c9fc99648b7 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -116,6 +116,9 @@ 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 },
> -- 
> 2.17.1
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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