From: Andrew.Jackson@arm.com (Andrew Jackson)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] drm: i2c: tda998x: Retry fetching the EDID if it fails first time.
Date: Fri, 28 Nov 2014 09:02:39 +0000 [thread overview]
Message-ID: <54783A2F.5010405@arm.com> (raw)
In-Reply-To: <20141128091905.3e491c39@armhf>
On 11/28/14 08:19, Jean-Francois Moine wrote:
> On Tue, 18 Nov 2014 17:41:26 +0000
> Andrew Jackson <Andrew.Jackson@arm.com> wrote:
>
>> Fetching the EDID from a connected monitor is an automated thing
>> with NXP TDA19988. But on some boards the fetching fails for the
>> first time silently without any indication that an error has occured.
>> More than that, subsequent fetches of the EDID succeed until the
>> monitor(s) are unplugged.
>>
>> Add a function to validate the read EDID and retry if the block
>> retrieved is not valid.
>>
>> Signed-off-by: Andrew Jackson <Andrew.Jackson@arm.com>
>> Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
>
> It seems that your patch is deprecated by Laurent Pinchart's
> [PATCH] drm: tda998x: Use drm_do_get_edid()
> http://lists.freedesktop.org/archives/dri-devel/2014-November/072906.html
>
Thank you for the heads-up, I'd not seen that. I'll consider how my patch might be modified to suit the new infrastructure.
Andrew
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Jackson <Andrew.Jackson@arm.com>
To: Jean-Francois Moine <moinejf@free.fr>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>,
Liviu Dudau <Liviu.Dudau@arm.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
Dave Airlie <airlied@gmail.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] drm: i2c: tda998x: Retry fetching the EDID if it fails first time.
Date: Fri, 28 Nov 2014 09:02:39 +0000 [thread overview]
Message-ID: <54783A2F.5010405@arm.com> (raw)
In-Reply-To: <20141128091905.3e491c39@armhf>
On 11/28/14 08:19, Jean-Francois Moine wrote:
> On Tue, 18 Nov 2014 17:41:26 +0000
> Andrew Jackson <Andrew.Jackson@arm.com> wrote:
>
>> Fetching the EDID from a connected monitor is an automated thing
>> with NXP TDA19988. But on some boards the fetching fails for the
>> first time silently without any indication that an error has occured.
>> More than that, subsequent fetches of the EDID succeed until the
>> monitor(s) are unplugged.
>>
>> Add a function to validate the read EDID and retry if the block
>> retrieved is not valid.
>>
>> Signed-off-by: Andrew Jackson <Andrew.Jackson@arm.com>
>> Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
>
> It seems that your patch is deprecated by Laurent Pinchart's
> [PATCH] drm: tda998x: Use drm_do_get_edid()
> http://lists.freedesktop.org/archives/dri-devel/2014-November/072906.html
>
Thank you for the heads-up, I'd not seen that. I'll consider how my patch might be modified to suit the new infrastructure.
Andrew
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Jackson <Andrew.Jackson@arm.com>
To: Jean-Francois Moine <moinejf@free.fr>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>,
Dave Airlie <airlied@gmail.com>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Liviu Dudau <Liviu.Dudau@arm.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] drm: i2c: tda998x: Retry fetching the EDID if it fails first time.
Date: Fri, 28 Nov 2014 09:02:39 +0000 [thread overview]
Message-ID: <54783A2F.5010405@arm.com> (raw)
In-Reply-To: <20141128091905.3e491c39@armhf>
On 11/28/14 08:19, Jean-Francois Moine wrote:
> On Tue, 18 Nov 2014 17:41:26 +0000
> Andrew Jackson <Andrew.Jackson@arm.com> wrote:
>
>> Fetching the EDID from a connected monitor is an automated thing
>> with NXP TDA19988. But on some boards the fetching fails for the
>> first time silently without any indication that an error has occured.
>> More than that, subsequent fetches of the EDID succeed until the
>> monitor(s) are unplugged.
>>
>> Add a function to validate the read EDID and retry if the block
>> retrieved is not valid.
>>
>> Signed-off-by: Andrew Jackson <Andrew.Jackson@arm.com>
>> Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
>
> It seems that your patch is deprecated by Laurent Pinchart's
> [PATCH] drm: tda998x: Use drm_do_get_edid()
> http://lists.freedesktop.org/archives/dri-devel/2014-November/072906.html
>
Thank you for the heads-up, I'd not seen that. I'll consider how my patch might be modified to suit the new infrastructure.
Andrew
next prev parent reply other threads:[~2014-11-28 9:02 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-18 17:41 [PATCH] drm: i2c: tda998x: Retry fetching the EDID if it fails first time Andrew Jackson
2014-11-18 17:41 ` Andrew Jackson
2014-11-28 8:19 ` Jean-Francois Moine
2014-11-28 8:19 ` Jean-Francois Moine
2014-11-28 8:19 ` Jean-Francois Moine
2014-11-28 9:02 ` Andrew Jackson [this message]
2014-11-28 9:02 ` Andrew Jackson
2014-11-28 9:02 ` Andrew Jackson
2014-11-29 10:41 ` Jean-Francois Moine
2014-11-29 10:41 ` Jean-Francois Moine
2014-11-29 10:41 ` Jean-Francois Moine
2014-12-01 13:19 ` Andrew Jackson
2014-12-01 13:19 ` Andrew Jackson
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