linux-kernel - Re: [PATCH v3 13/14] drm: bridge/analogix_dp: move hpd detect to connector detect function

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Message-Id: <6E5CEF9B-19D4-4AC4-B5B1-BC667979302D@gmail.com>
Date:	Thu, 20 Aug 2015 16:49:00 +0900
From:	Jingoo Han <jingoohan1@...il.com>
To:	Yakir Yang <ykk@...k-chips.com>
Cc:	Heiko Stuebner <heiko@...ech.de>,
	Thierry Reding <treding@...dia.com>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Inki Dae <inki.dae@...sung.com>,
	"joe@...ches.com" <joe@...ches.com>,
	Russell King <rmk+kernel@....linux.org.uk>,
	"djkurtz@...gle.com" <djkurtz@...gle.com>,
	"dianders@...gle.com" <dianders@...gle.com>,
	"seanpaul@...gle.com" <seanpaul@...gle.com>,
	Takashi Iwai <tiwai@...e.de>,
	"ajaynumb@...il.com" <ajaynumb@...il.com>,
	Andrzej Hajda <a.hajda@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	David Airlie <airlied@...ux.ie>,
	Gustavo Padovan <gustavo.padovan@...labora.co.uk>,
	Vincent Palatin <vpalatin@...omium.org>,
	Mark Yao <mark.yao@...k-chips.com>,
	Andy Yan <andy.yan@...k-chips.com>,
	Kumar Gala <galak@...eaurora.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Kishon Vijay Abraham I <kishon@...com>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	"linux-rockchip@...ts.infradead.org" 
	<linux-rockchip@...ts.infradead.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>, jingoohan1@...il.com
Subject: Re: [PATCH v3 13/14] drm: bridge/analogix_dp: move hpd detect to connector detect function

On 2015. 8. 19., at PM 11:52, Yakir Yang <ykk@...k-chips.com> wrote:
> 


What is the reason to make this patch?

Please make commit message including the reason.

Best regards,
Jingoo Han

> Signed-off-by: Yakir Yang <ykk@...k-chips.com>
> ---
> Changes in v3:
> - move dp hpd detect to connector detect function.
> 
> Changes in v2: None
> 
> drivers/gpu/drm/bridge/analogix_dp_core.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix_dp_core.c
> index 75dd44a..052b9b3 100644
> --- a/drivers/gpu/drm/bridge/analogix_dp_core.c
> +++ b/drivers/gpu/drm/bridge/analogix_dp_core.c
> @@ -915,12 +915,6 @@ static void analogix_dp_commit(struct analogix_dp_device *dp)
>            DRM_ERROR("failed to disable the panel\n");
>    }
> 
> -    ret = analogix_dp_detect_hpd(dp);
> -    if (ret) {
> -        /* Cable has been disconnected, we're done */
> -        return;
> -    }
> -
>    ret = analogix_dp_handle_edid(dp);
>    if (ret) {
>        dev_err(dp->dev, "unable to handle edid\n");
> @@ -953,6 +947,12 @@ static void analogix_dp_commit(struct analogix_dp_device *dp)
> static enum drm_connector_status analogix_dp_detect(
>                struct drm_connector *connector, bool force)
> {
> +    struct analogix_dp_device *dp = connector_to_dp(connector);
> +
> +    if (analogix_dp_detect_hpd(dp))
> +        /* Cable has been disconnected, we're done */
> +        return connector_status_disconnected;
> +
>    return connector_status_connected;
> }
> 
> -- 
> 1.9.1
> 
> 
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