From: "Michel Dänzer" <michel@daenzer.net>
To: "Christian König" <deathsimple@vodafone.de>
Cc: dri-devel@lists.freedesktop.org
Subject: Re: [PATCH] drm/radeon: fix irq ring buffer overflow handling
Date: Wed, 23 Jul 2014 18:07:49 +0900 [thread overview]
Message-ID: <53CF7B65.1020704@daenzer.net> (raw)
In-Reply-To: <1406101678-2111-1-git-send-email-deathsimple@vodafone.de>
On 23.07.2014 16:47, Christian König wrote:
> From: Christian König <christian.koenig@amd.com>
>
> We must mask out the overflow bit as well, otherwise
> the wptr will never match the rptr again and the interrupt
> handler will loop forever.
>
> Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
> Cc: stable@vger.kernel.org
Not sure this is justified though. Were you able to reproduce the
problem and verify the fix?
--
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Mesa and X developer
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next prev parent reply other threads:[~2014-07-23 9:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-23 7:47 [PATCH] drm/radeon: fix irq ring buffer overflow handling Christian König
2014-07-23 9:07 ` Michel Dänzer [this message]
2014-07-23 10:07 ` Christian König
2014-07-23 15:36 ` Alex Deucher
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