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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4FDB7F7E.9050301@linux.intel.com \
--to=eugeni.dodonov@linux.intel.com \
--cc=chris@chris-wilson.co.uk \
--cc=eugeni.dodonov@intel.com \
--cc=intel-gfx@lists.freedesktop.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox