From: Eugeni Dodonov <eugeni.dodonov@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 2/2] drm/i915: Implement w/a for sporadic read failures on waking from rc6
Date: Fri, 15 Jun 2012 15:31:26 -0300 [thread overview]
Message-ID: <4FDB7F7E.9050301@linux.intel.com> (raw)
In-Reply-To: <1339608592-27360-2-git-send-email-chris@chris-wilson.co.uk>
On 06/13/2012 02:29 PM, Chris Wilson wrote:
> As a w/a to prevent reads sporadically returning 0, we need to wait for
> the GT thread to return to TC0 before proceeding to read the registers.
>
> References: https://bugs.freedesktop.org/show_bug.cgi?id=50243
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
I think that this patch could solve some of the RC6-related issues which
are still out there. So the ones of you affected by random GPU hangs or
dropped writes, could you please give this patch a try?
Eugeni
next prev parent reply other threads:[~2012-06-15 18:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-13 17:29 [PATCH 1/2] drm/i915: Group the GT routines together in both code and vtable Chris Wilson
2012-06-13 17:29 ` [PATCH 2/2] drm/i915: Implement w/a for sporadic read failures on waking from rc6 Chris Wilson
2012-06-15 18:31 ` Eugeni Dodonov [this message]
2012-06-13 19:07 ` [PATCH 1/2] drm/i915: Group the GT routines together in both code and vtable Ben Widawsky
2012-06-13 19:47 ` Chris Wilson
2012-06-15 15:11 ` Eugeni Dodonov
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