APPLIED[F][G]: [PATCH 1/1][SRU][F][G][H][OEM-5.6] UBUNTU: SAUCE: drm/dp: Add dpcd backlight control for 0x4c83 0x4f41

[Ian May]

Applied to focal/linux
Applied to groovy/linux

Thanks,
Ian

On 2020-11-26 17:20:11 , AceLan Kao wrote:
> From: Kai-Chuan Hsieh <kaichuan.hsieh at canonical.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/1905663
> 
> Signed-off-by: Kai-Chuan Hsieh <kaichuan.hsieh at canonical.com>
> Signed-off-by: AceLan Kao <acelan.kao at canonical.com>
> ---
>  drivers/gpu/drm/drm_dp_helper.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
> index 309aed857348..b835dde8cc7b 100644
> --- a/drivers/gpu/drm/drm_dp_helper.c
> +++ b/drivers/gpu/drm/drm_dp_helper.c
> @@ -1466,6 +1466,7 @@ static const struct edid_quirk edid_quirk_list[] = {
>  	{ MFG(0x4d, 0x10), PROD_ID(0xc7, 0x14), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
>  	{ MFG(0x4d, 0x10), PROD_ID(0xe6, 0x14), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
>  	{ MFG(0x4c, 0x83), PROD_ID(0x47, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
> +	{ MFG(0x4c, 0x83), PROD_ID(0x4f, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
>  	/*
>  	 * Some HP ZBook Studio G7 systems have panels support and relies on
>  	 * PSR being enabled.
> -- 
> 2.25.1
> 
> 
> -- 
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