[Bug 89915] [bdw execlists 4.0.6] GPU hang after S3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89915

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
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                 CC|                            |michel.thierry at intel.com

--- Comment #7 from Chris Wilson <chris at chris-wilson.co.uk> ---
Michel Thierry:

Hi,

I still think it's the same problem fixed by Peter
(http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=364aece01a2dd748fc36a1e8bf52ef639b0857bd).
The issue was a race between enabling the interrupts and completing
the first batchbuffer, that's probably why we only saw it in chv, but
it's the same code bdw uses.

v4.0.6 didn't get the fix,
http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/drivers/gpu/drm/i915/i915_drv.c?id=v4.0.6

Only v4.0.7:
http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/drivers/gpu/drm/i915/i915_drv.c?id=v4.0.7


Now, this is Michel's comment 4 that it looks like bug 89000 (which at the time
was negatively indicated for bdw) but it should be easy enough for everyone to
test whether this is now fixed in 4.0.7

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