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Message-ID: <55D58D56.5070505@rock-chips.com>
Date:	Thu, 20 Aug 2015 03:18:30 -0500
From:	Yakir Yang <ykk@...k-chips.com>
To:	Jingoo Han <jingoohan1@...il.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>
Subject: Re: [PATCH v3 13/14] drm: bridge/analogix_dp: move hpd detect to
 connector detect function

Hi Jingoo,

On 08/20/2015 02:49 AM, Jingoo Han wrote:
> 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.

Okay, I think the below words would be okay :)

"This change just make a little clean to make code more like
drm core expect, move hdp detect code from bridge->enable(),
and place them into connector->detect()."

Thanks,
- Yakir

> 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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