From: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
Cc: Mikko Perttunen
<mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org,
dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v2 2/6] host1x: hdmi: Detect whether display is connected with HDMI or DVI
Date: Wed, 4 Sep 2013 23:59:03 +0200 [thread overview]
Message-ID: <20130904215902.GB4661@mithrandir> (raw)
In-Reply-To: <52277EBA.6030105-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 686 bytes --]
On Wed, Sep 04, 2013 at 12:40:58PM -0600, Stephen Warren wrote:
> On 08/28/2013 09:48 AM, Mikko Perttunen wrote:
> > Use EDID data to determine whether the display supports HDMI or just DVI.
> > This used to be hardcoded to be HDMI, which broke support for DVI displays
> > that couldn't understand the interspersed audio/other data.
> >
> > If the EDID data isn't available, default to DVI, which should be a safer
> > choice.
>
> This seems like a bug-fix that might even be worth CC: stable?
Possibly. The patch reaches deeply into some DRM structures, which I'd
like to avoid. I'll have another look to see if it can be done in a
slightly different way.
Thierry
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WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding@gmail.com>
To: Stephen Warren <swarren@wwwdotorg.org>
Cc: Mikko Perttunen <mperttunen@nvidia.com>,
tbergstrom@nvidia.com, dri-devel@lists.freedesktop.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/6] host1x: hdmi: Detect whether display is connected with HDMI or DVI
Date: Wed, 4 Sep 2013 23:59:03 +0200 [thread overview]
Message-ID: <20130904215902.GB4661@mithrandir> (raw)
In-Reply-To: <52277EBA.6030105@wwwdotorg.org>
[-- Attachment #1: Type: text/plain, Size: 686 bytes --]
On Wed, Sep 04, 2013 at 12:40:58PM -0600, Stephen Warren wrote:
> On 08/28/2013 09:48 AM, Mikko Perttunen wrote:
> > Use EDID data to determine whether the display supports HDMI or just DVI.
> > This used to be hardcoded to be HDMI, which broke support for DVI displays
> > that couldn't understand the interspersed audio/other data.
> >
> > If the EDID data isn't available, default to DVI, which should be a safer
> > choice.
>
> This seems like a bug-fix that might even be worth CC: stable?
Possibly. The patch reaches deeply into some DRM structures, which I'd
like to avoid. I'll have another look to see if it can be done in a
slightly different way.
Thierry
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next prev parent reply other threads:[~2013-09-04 21:59 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-28 15:48 [PATCH v2 0/6] HDMI support for Tegra114 Dalmore Mikko Perttunen
2013-08-28 15:48 ` Mikko Perttunen
2013-08-28 15:48 ` [PATCH v2 1/6] host1x: hdmi: Add Tegra114 support Mikko Perttunen
2013-08-28 15:48 ` Mikko Perttunen
[not found] ` <1377704922-2824-2-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-09-04 18:39 ` Stephen Warren
2013-09-04 18:39 ` Stephen Warren
2013-09-04 21:55 ` Thierry Reding
2013-08-28 15:48 ` [PATCH v2 2/6] host1x: hdmi: Detect whether display is connected with HDMI or DVI Mikko Perttunen
2013-08-28 15:48 ` Mikko Perttunen
[not found] ` <1377704922-2824-3-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-09-04 18:40 ` Stephen Warren
2013-09-04 18:40 ` Stephen Warren
[not found] ` <52277EBA.6030105-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-09-04 21:59 ` Thierry Reding [this message]
2013-09-04 21:59 ` Thierry Reding
2013-08-28 15:48 ` [PATCH v2 3/6] host1x: hdmi: Enable Vdd earlier for hotplug/DDC Mikko Perttunen
2013-08-28 15:48 ` Mikko Perttunen
[not found] ` <1377704922-2824-4-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-09-04 18:44 ` Stephen Warren
2013-09-04 18:44 ` Stephen Warren
[not found] ` <52277F90.40109-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-09-04 22:03 ` Mikko Perttunen
2013-09-04 22:03 ` Mikko Perttunen
[not found] ` <5227AE4F.8050603-/1wQRMveznE@public.gmane.org>
2013-09-04 22:24 ` Stephen Warren
2013-09-04 22:24 ` Stephen Warren
2013-08-28 15:48 ` [PATCH v2 4/6] clk: tegra114: Initialize clocks needed for HDMI Mikko Perttunen
2013-08-28 15:48 ` Mikko Perttunen
[not found] ` <1377704922-2824-5-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-09-04 18:45 ` Stephen Warren
2013-09-04 18:45 ` Stephen Warren
2013-08-28 15:48 ` [PATCH v2 5/6] ARM: tegra: Add host1x, DC and HDMI to Tegra114 device tree Mikko Perttunen
2013-08-28 15:48 ` Mikko Perttunen
[not found] ` <1377704922-2824-6-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-09-04 18:46 ` Stephen Warren
2013-09-04 18:46 ` Stephen Warren
[not found] ` <1377704922-2824-1-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-08-28 15:48 ` [PATCH v2 6/6] ARM: tegra: Add HDMI to Tegra114 Dalmore " Mikko Perttunen
2013-08-28 15:48 ` Mikko Perttunen
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