linux-kernel - Re: [PATCH 1/5] drm: dw-hdmi: extract dw_hdmi_connector_update

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Mon, 2 Sep 2019 10:05:11 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Jonas Karlman <jonas@...boo.se>,
        Andrzej Hajda <a.hajda@...sung.com>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Sean Paul <sean@...rly.run>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Hans Verkuil <hverkuil@...all.nl>,
        Jerome Brunet <jbrunet@...libre.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/5] drm: dw-hdmi: extract dw_hdmi_connector_update_edid()

Hi Jonas,

On 01/09/2019 18:14, Jonas Karlman wrote:
> Extract code that updates EDID into a dw_hdmi_connector_update_edid()
> helper, it will be called from dw_hdmi_connector_detect().

Small nit, you should precise you add a bool to optionally add the modes.

Anyway:
Reviewed-by: Neil Armstrong <narmstrong@...libre.com>

> 
> Signed-off-by: Jonas Karlman <jonas@...boo.se>
> ---
>  drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> index 521d689413c8..8ab214dc5ae7 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> @@ -2171,7 +2171,8 @@ dw_hdmi_connector_detect(struct drm_connector *connector, bool force)
>  	return hdmi->phy.ops->read_hpd(hdmi, hdmi->phy.data);
>  }
>  
> -static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
> +static int dw_hdmi_connector_update_edid(struct drm_connector *connector,
> +					  bool add_modes)
>  {
>  	struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi,
>  					     connector);
> @@ -2190,7 +2191,8 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
>  		hdmi->sink_has_audio = drm_detect_monitor_audio(edid);
>  		drm_connector_update_edid_property(connector, edid);
>  		cec_notifier_set_phys_addr_from_edid(hdmi->cec_notifier, edid);
> -		ret = drm_add_edid_modes(connector, edid);
> +		if (add_modes)
> +			ret = drm_add_edid_modes(connector, edid);
>  		kfree(edid);
>  	} else {
>  		dev_dbg(hdmi->dev, "failed to get edid\n");
> @@ -2199,6 +2201,11 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
>  	return ret;
>  }
>  
> +static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
> +{
> +	return dw_hdmi_connector_update_edid(connector, true);
> +}
> +
>  static void dw_hdmi_connector_force(struct drm_connector *connector)
>  {
>  	struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi,
>