[Oneirc SRU] SAUCE: Bug#891270 drm/i915: add multi-threaded forcewake support

[Manoj Iyer]

Seth,

I already resent the patches with correct attributions.

git://kernel.ubuntu.com/manjo/ubuntu-oneiric.git lp891270v2

Cheers


On Tue, 22 Nov 2011, Seth Forshee wrote:

> On Mon, Nov 21, 2011 at 12:17:24PM -0600, manoj.iyer at canonical.com wrote:
>> From: Manoj Iyer <manoj.iyer at canonical.com>
>>
>> Please consider the following sauce patch to Oneiric.
>>
>> SRU JUSTIFICATION
>> ================
>>
>> ISSUE
>> =====
>> Ivybridge system fails to resume from S3/S4 with recent BIOS. On system resume causes kernel oops in i915 driver.
>>
>> FIX
>> ===
>> Upstream fixed the issue by adding multi-threaded forcewake support.
>> On IVB C0+ with newer BIOSes, the forcewake handshake has changed. There's
>> now a bitfield for different driver components to keep the GT powered
>> on. On Linux, we centralize forcewake handling in one place, so we
>> still just need a single bit, but we need to use the new registers if MT
>> forcewake is enabled.
>>
>> TEST
>> =====
>> This patch was tested on Ivybridge system with the kernel posted at http://kernel.ubuntu.com/~sarvatt/fdo42923/ and the test results are noted in comment #3 in this bug, and also reported the same to https://bugs.freedesktop.org/show_bug.cgi?id=42923
>>
>> The following changes since commit f0bba7483b90dabcf025dc923e0722f5ff9b5e6d:
>>
>>   UBUNTU: SAUCE: drm/i915: add multi-threaded forcewake support (2011-11-21 11:37:20 -0600)
>>
>> are available in the git repository at:
>>   git://kernel.ubuntu.com/manjo/ubuntu-oneiric.git lp891270
>>
>> Manoj Iyer (1):
>>   UBUNTU: SAUCE: drm/i915: add multi-threaded forcewake support
>
> It seems you still have the attribution problem that Tim pointed out
> earlier, as this is showing you as the patch author. I also notice that
> the patch from the mailing list has a description of what the patch is
> doing and sign-offs, which I think we should be including.
>
>

--
====================
Manoj Iyer
Ubuntu/Canonical
Hardware Enablement
====================