From: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Mikko Perttunen <mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: 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] host1x: hdmi: Make sure clock is enabled before dumping registers
Date: Tue, 27 Aug 2013 10:04:48 +0200 [thread overview]
Message-ID: <20130827080447.GH8686@ulmo> (raw)
In-Reply-To: <1375173303-4275-1-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
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On Tue, Jul 30, 2013 at 11:35:03AM +0300, Mikko Perttunen wrote:
> The debugfs register dumping function did not enable the HDMI clock.
> This led to a possible system hang when reading the debugfs entry
> while no HDMI cable was connected to the system. This patch makes
> sure that the clock is enabled during the read.
>
> Signed-off-by: Mikko Perttunen <mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> ---
> drivers/gpu/host1x/drm/hdmi.c | 7 +++++++
> 1 file changed, 7 insertions(+)
Applied, thanks.
Thierry
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WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding@gmail.com>
To: Mikko Perttunen <mperttunen@nvidia.com>
Cc: tbergstrom@nvidia.com, dri-devel@lists.freedesktop.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] host1x: hdmi: Make sure clock is enabled before dumping registers
Date: Tue, 27 Aug 2013 10:04:48 +0200 [thread overview]
Message-ID: <20130827080447.GH8686@ulmo> (raw)
In-Reply-To: <1375173303-4275-1-git-send-email-mperttunen@nvidia.com>
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On Tue, Jul 30, 2013 at 11:35:03AM +0300, Mikko Perttunen wrote:
> The debugfs register dumping function did not enable the HDMI clock.
> This led to a possible system hang when reading the debugfs entry
> while no HDMI cable was connected to the system. This patch makes
> sure that the clock is enabled during the read.
>
> Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
> ---
> drivers/gpu/host1x/drm/hdmi.c | 7 +++++++
> 1 file changed, 7 insertions(+)
Applied, thanks.
Thierry
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next prev parent reply other threads:[~2013-08-27 8:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-30 8:35 [PATCH] host1x: hdmi: Make sure clock is enabled before dumping registers Mikko Perttunen
2013-07-30 8:35 ` Mikko Perttunen
[not found] ` <1375173303-4275-1-git-send-email-mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-08-27 8:04 ` Thierry Reding [this message]
2013-08-27 8:04 ` Thierry Reding
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