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Date:   Wed, 26 Jun 2019 11:16:34 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Andrzej Hajda <a.hajda@...sung.com>,
        Jonas Karlman <jonas@...boo.se>,
        "Laurent.pinchart@...asonboard.com" 
        <Laurent.pinchart@...asonboard.com>
Cc:     "jernej.skrabec@...l.net" <jernej.skrabec@...l.net>,
        "khilman@...libre.com" <khilman@...libre.com>,
        "zhengyang@...k-chips.com" <zhengyang@...k-chips.com>,
        "maxime.ripard@...tlin.com" <maxime.ripard@...tlin.com>,
        "wens@...e.org" <wens@...e.org>,
        "hjc@...k-chips.com" <hjc@...k-chips.com>,
        "heiko@...ech.de" <heiko@...ech.de>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/4] drm/meson: Enable DRM InfoFrame support on GXL, GXM
 and G12A

On 24/06/2019 16:59, Andrzej Hajda wrote:
> On 26.05.2019 23:20, 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>
>> ---
>>  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 df3f9ddd2234..f7761e698c03 100644
>> --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
>> +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
>> @@ -966,6 +966,11 @@ 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"))
>> +		dw_plat_data->drm_infoframe = true;
>> +
> 
> 
> I see it follows meson_dw_hdmi.c practices, but maybe it is time to drop
> it and just add flag to meson_dw_hdmi_data, IMO the whole
> dw_hdmi_is_compatible function should be removed
> 
> and replaced with fields/flags in meson_dw_hdmi_data - this is what
> of_device_id.data field was created for.

It's in our cleanup process, this will pushed shortly, but in the meantime it
can be left as-is until cleanup is pushed, I'll sort it manually if both
happens in the same time.

Neil

> 
> 
> Regards
> 
> Andrzej
> 
> 
>>  	platform_set_drvdata(pdev, meson_dw_hdmi);
>>  
>>  	meson_dw_hdmi->hdmi = dw_hdmi_bind(pdev, encoder,
> 
> 

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