linux-kernel - Re: [PATCH 4/4] drm/sun4i: Enable DRM InfoFrame support on H6

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Date:   Mon, 24 Jun 2019 17:49:50 +0200
From:   Andrzej Hajda <a.hajda@...sung.com>
To:     Jernej Škrabec <jernej.skrabec@...l.net>
Cc:     Jonas Karlman <jonas@...boo.se>,
        "Laurent.pinchart@...asonboard.com" 
        <Laurent.pinchart@...asonboard.com>,
        "narmstrong@...libre.com" <narmstrong@...libre.com>,
        "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 4/4] drm/sun4i: Enable DRM InfoFrame support on H6

On 24.06.2019 17:05, Jernej Škrabec wrote:
> Dne ponedeljek, 24. junij 2019 ob 17:03:31 CEST je Andrzej Hajda napisal(a):
>> On 26.05.2019 23:20, Jonas Karlman wrote:
>>> This patch enables Dynamic Range and Mastering InfoFrame on H6.
>>>
>>> Cc: Maxime Ripard <maxime.ripard@...tlin.com>
>>> Cc: Jernej Skrabec <jernej.skrabec@...l.net>
>>> Signed-off-by: Jonas Karlman <jonas@...boo.se>
>>> ---
>>>
>>>  drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c | 2 ++
>>>  drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h | 1 +
>>>  2 files changed, 3 insertions(+)
>>>
>>> diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
>>> b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c index 39d8509d96a0..b80164dd8ad8
>>> 100644
>>> --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
>>> +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
>>> @@ -189,6 +189,7 @@ static int sun8i_dw_hdmi_bind(struct device *dev,
>>> struct device *master,> 
>>>  	sun8i_hdmi_phy_init(hdmi->phy);
>>>  	
>>>  	plat_data->mode_valid = hdmi->quirks->mode_valid;
>>>
>>> +	plat_data->drm_infoframe = hdmi->quirks->drm_infoframe;
>>>
>>>  	sun8i_hdmi_phy_set_ops(hdmi->phy, plat_data);
>>>  	
>>>  	platform_set_drvdata(pdev, hdmi);
>>>
>>> @@ -255,6 +256,7 @@ static const struct sun8i_dw_hdmi_quirks
>>> sun8i_a83t_quirks = {> 
>>>  static const struct sun8i_dw_hdmi_quirks sun50i_h6_quirks = {
>>>  
>>>  	.mode_valid = sun8i_dw_hdmi_mode_valid_h6,
>>>
>>> +	.drm_infoframe = true,
>>>
>>>  };
>>>  
>>>  static const struct of_device_id sun8i_dw_hdmi_dt_ids[] = {
>>>
>>> diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h
>>> b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h index 720c5aa8adc1..2a0ec08ee236
>>> 100644
>>> --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h
>>> +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h
>>> @@ -178,6 +178,7 @@ struct sun8i_dw_hdmi_quirks {
>>>
>>>  	enum drm_mode_status (*mode_valid)(struct drm_connector 
> *connector,
>>>  	
>>>  					   const struct 
> drm_display_mode *mode);
>>>  	
>>>  	unsigned int set_rate : 1;
>>>
>>> +	unsigned int drm_infoframe : 1;
>> Again, drm_infoframe suggests it contains inforframe, but in fact it
>> just informs infoframe can be used, so again my suggestion
>> use_drm_infoframe.
>>
>> Moreover bool type seems more appropriate here.
> checkpatch will give warning if bool is used.


Then I would say "fix/ignore checkpatch" :)

But maybe there is a reason.

Anyway I've tested and I do not see the warning, could you elaborate it.


Regards

Andrzej



>
> Best regards,
> Jernej
>
>> Beside this:
>>
>> Reviewed-by: Andrzej Hajda <a.hajda@...sung.com>
>>
>>  --
>> Regards
>> Andrzej
>>
>>>  };
>>>  
>>>  struct sun8i_dw_hdmi {
>
>
>
>
>