linux-kernel - Re: [PATCH v2 3/4] drm/meson: Enable DRM InfoFrame support on GXL, GXM and G12A

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Date:   Tue, 8 Oct 2019 10:04:39 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Jonas Karlman <jonas@...boo.se>,
        Andrzej Hajda <a.hajda@...sung.com>
Cc:     Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Kevin Hilman <khilman@...libre.com>,
        Sandy Huang <hjc@...k-chips.com>,
        Heiko Stubner <heiko@...ech.de>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        "zhengyang@...k-chips.com" <zhengyang@...k-chips.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 3/4] drm/meson: Enable DRM InfoFrame support on GXL,
 GXM and G12A

Hi Jonas,


On 07/10/2019 21:21, Jonas Karlman wrote:
> This patch enables Dynamic Range and Mastering InfoFrame on GXL, GXM and G12A.
> 
> Cc: Neil Armstrong <narmstrong@...libre.com>
> Signed-off-by: Jonas Karlman <jonas@...boo.se>
> Reviewed-by: Neil Armstrong <narmstrong@...libre.com>
> ---
>  drivers/gpu/drm/meson/meson_dw_hdmi.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
> index 022286dc6ab2..3bb7ffe5fc39 100644
> --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
> +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
> @@ -977,6 +977,11 @@ static int meson_dw_hdmi_bind(struct device *dev, struct device *master,
>  	dw_plat_data->input_bus_format = MEDIA_BUS_FMT_YUV8_1X24;
>  	dw_plat_data->input_bus_encoding = V4L2_YCBCR_ENC_709;
>  
> +	if (dw_hdmi_is_compatible(meson_dw_hdmi, "amlogic,meson-gxl-dw-hdmi") ||
> +	    dw_hdmi_is_compatible(meson_dw_hdmi, "amlogic,meson-gxm-dw-hdmi") ||
> +	    dw_hdmi_is_compatible(meson_dw_hdmi, "amlogic,meson-g12a-dw-hdmi"))

The API of dw_hdmi_is_compatible() has changed for v5.4, but I'll fix it while applying.

Neil

> +		dw_plat_data->use_drm_infoframe = true;
> +
>  	platform_set_drvdata(pdev, meson_dw_hdmi);
>  
>  	meson_dw_hdmi->hdmi = dw_hdmi_bind(pdev, encoder,
>