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

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Date:   Mon, 24 Jun 2019 17:05:37 +0200
From:   Jernej Škrabec <jernej.skrabec@...l.net>
To:     Andrzej Hajda <a.hajda@...sung.com>
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

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.

Best regards,
Jernej

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