[Bug 48791] i915 doesn't reach RC6 state after s2ram - Thinkpad T420, X220

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=48791





--- Comment #27 from Toralf Förster <toralf.foerster at gmx.de>  2013-02-19 15:51:58 ---
(In reply to comment #26)
> Please try the patch at
> https://bugs.freedesktop.org/attachment.cgi?id=74922&action=edit

It would not apply against 3.7.9 :

sudo patch -p1 --dry-run <
/home/tfoerste/devel/0001-drm-i915-Fix-SNB-RC6-init-sequence.patch 
patching file drivers/gpu/drm/i915/i915_reg.h
Hunk #1 succeeded at 4140 (offset -41 lines).
Hunk #2 succeeded at 4210 (offset -43 lines).
Hunk #3 succeeded at 4226 with fuzz 2 (offset -43 lines).
patching file drivers/gpu/drm/i915/intel_pm.c
Hunk #1 succeeded at 2479 (offset -117 lines).
Hunk #2 FAILED at 2605.
Hunk #3 FAILED at 4475.
2 out of 3 hunks FAILED -- saving rejects to file
drivers/gpu/drm/i915/intel_pm.c.rej

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