From: Shuang He <shuang.he@intel.com>
To: Thomas Meyer <thomas@m3y3r.de>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>,
"Zou, Nanhai" <nanhai.zou@intel.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>
Subject: Re: 2.6.35-rc6+: i915: Bisected regression
Date: Thu, 05 Aug 2010 13:43:04 +0800 [thread overview]
Message-ID: <4C5A4F68.5030309@intel.com> (raw)
In-Reply-To: <98E20220-BFC9-4231-AEF5-EB59588E6D2F@m3y3r.de>
On 2010-8-1 18:51, Thomas Meyer wrote:
> Am 01.08.2010 um 13:42 schrieb Stefan Richter<stefanr@s5r6.in-berlin.de>:
>
>> Thomas Meyer wrote:
>>> This commit makes suspend to ram unreliable for me:
>>>
>>> commit d1b851fc0d105caa6b6e3e7c92d2987dfb52cbe0
>>> Author: Zou Nan hai<nanhai.zou@intel.com>
>>> Date: Fri May 21 09:08:57 2010 +0800
>>>
>>> drm/i915: implement BSD ring buffer V2
>>>
>>> The BSD (bit stream decoder) ring is used for accessing the BSD engine
>>> which decodes video bitstream for H.264 and VC1 on G45+. It is
>>> asynchronous with the render ring and has access to separate parts of
>>> the GPU from it, though the render cache is coherent between the two.
>>>
>>> Signed-off-by: Zou Nan hai<nanhai.zou@intel.com>
>>> Signed-off-by: Xiang Hai hao<haihao.xiang@intel.com>
>>> Signed-off-by: Eric Anholt<eric@anholt.net>
>>>
>>> git revert didn't work on 2.6.35-rc6 so I just changed the HAS_BSD thing to:
>>>
>>> #define HAS_BSD(dev) (0)
>>>
>>> with this change applied suspend to ram is back to the reliability of 2.6.34.y
>>>
>>> with kind regards
>>> thomas
>> Added CCs.
>>
>> Thomas, on what hardware did you observe the regression?
> Is a Intel mobile express gm45 chipset.
>
>> Is it suspend
>> or resume that is unreliable?
> suspend never finishes/hangs.
>
>> What are the particular symptoms --- does
>> not suspend, crashes during suspend, crashes during resume...?
> Does not suspend, backlight is on.
Could you help report a bug for this issue by following
http://intellinuxgraphics.org/how_to_report_bug.html
Thanks
--Shuang
>> --
>> Stefan Richter
>> -=====-==-=- =--- ----=
>> http://arcgraph.de/sr/
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2010-08-05 5:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-01 9:01 2.6.35-rc6+: i915: Bisected regression Thomas Meyer
2010-08-01 11:42 ` Stefan Richter
2010-08-01 10:51 ` Thomas Meyer
2010-08-01 13:14 ` Paul Rolland
2010-08-01 15:17 ` Roberto Oppedisano
2010-08-24 17:36 ` Thomas Meyer
2010-08-25 3:02 ` Roberto Oppedisano
2010-08-25 13:41 ` Paul Rolland
2010-08-05 5:43 ` Shuang He [this message]
2010-08-06 3:26 ` David John
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