linux-kernel - Re: [PATCH] drm/i915/tv: Flush register writes before sleeping.

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Date:	Tue, 24 Aug 2010 13:03:35 +0200
From:	Ivan Bulatovic <combuster@....com>
To:	Chris Wilson <chris@...is-wilson.co.uk>
Cc:	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	jbarnes@...tuousgeek.org, eric@...olt.net, penberg@...nel.org
Subject: Re: [PATCH] drm/i915/tv: Flush register writes before sleeping.

On Tue, 2010-08-24 at 10:21 +0100, Chris Wilson wrote: 
> Ivan, can you try this patch?
> 
I've patched it, unfortunately it doesn't help. :( Dmesg is in
attachement. Symptoms are the same.

> Linus is going to make some more snide comments if he sees just how many
> of these trivial-ish patches that I have pending...
> 
I don't think so, this is fun, I haven't had problems with intel drivers
in months :D 
> ---
> 
> If we need to wait until the next vblank for the register to be updated
> and to take effect, make sure the write is actually flushed to the register
> prior to sleeping.
> 
> Signed-off-by: Chris Wilson <chris@...is-wilson.co.uk>



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