[Bug 90050] [SKL] shrinker vs hangcheck -> WARN_ON(-EIO) + BUG_ON(write_domain != GPU)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90050

--- Comment #3 from lu hua <huax.lu at intel.com> ---
(In reply to Chris Wilson from comment #2)
> Would actually be fixed by http://patchwork.freedesktop.org/patch/46607/

Which is the best for this patch? 
Apply it on the latest drm-intel-nightly kernel:
patching file drivers/gpu/drm/i915/i915_drv.c
patching file drivers/gpu/drm/i915/i915_drv.h
Hunk #1 succeeded at 1295 (offset -13 lines).
Hunk #2 succeeded at 2049 (offset -20 lines).
Hunk #3 FAILED at 2765.
Hunk #4 succeeded at 2800 (offset -14 lines).
1 out of 4 hunks FAILED -- saving rejects to file
drivers/gpu/drm/i915/i915_drv.h.rej
patching file drivers/gpu/drm/i915/i915_gem.c
Hunk #1 succeeded at 97 (offset -3 lines).
Hunk #2 succeeded at 118 (offset -3 lines).
Hunk #3 succeeded at 1132 (offset 1 line).
Hunk #4 succeeded at 1203 (offset 1 line).
Hunk #5 succeeded at 1217 (offset 1 line).
Hunk #6 succeeded at 1264 (offset -1 lines).
Hunk #7 FAILED at 1408.
Hunk #8 FAILED at 1493.
Hunk #9 FAILED at 1502.
Hunk #10 FAILED at 1538.
Hunk #11 succeeded at 2356 (offset -127 lines).
Hunk #12 succeeded at 2541 (offset -96 lines).
Hunk #13 FAILED at 3002.
Hunk #14 FAILED at 3040.
Hunk #15 FAILED at 3053.
Hunk #16 FAILED at 3091.
Hunk #17 succeeded at 4107 (offset -194 lines).
Hunk #18 succeeded at 4126 (offset -194 lines).
Hunk #19 succeeded at 4133 (offset -194 lines).
8 out of 19 hunks FAILED -- saving rejects to file
drivers/gpu/drm/i915/i915_gem.c.rej
patching file drivers/gpu/drm/i915/i915_irq.c
Hunk #1 succeeded at 2353 (offset 54 lines).
Hunk #2 succeeded at 2369 (offset 54 lines).
Hunk #3 succeeded at 2386 (offset 54 lines).
Hunk #4 succeeded at 2414 (offset 54 lines).
patching file drivers/gpu/drm/i915/intel_display.c
Hunk #1 succeeded at 3265 (offset 69 lines).
Hunk #2 succeeded at 10220 (offset 532 lines).
Hunk #3 FAILED at 10107.
1 out of 3 hunks FAILED -- saving rejects to file
drivers/gpu/drm/i915/intel_display.c.rej
patching file drivers/gpu/drm/i915/intel_lrc.c
Hunk #1 succeeded at 774 (offset 98 lines).
patching file drivers/gpu/drm/i915/intel_ringbuffer.c
Hunk #1 succeeded at 2183 (offset -6 lines).

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