linux-kernel - Re: [PATCH] host1x: hdmi: Make sure clock is enabled before dumping registers

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Date:	Tue, 27 Aug 2013 10:04:48 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Mikko Perttunen <mperttunen@...dia.com>
Cc:	tbergstrom@...dia.com, dri-devel@...ts.freedesktop.org,
	linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] host1x: hdmi: Make sure clock is enabled before dumping
 registers

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@...dia.com>
> ---
>  drivers/gpu/host1x/drm/hdmi.c | 7 +++++++
>  1 file changed, 7 insertions(+)

Applied, thanks.

Thierry

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