[Bug 96701] [ILK/BSW/APL] [BAT] kms_cursor_legacy some subtest fail with WARNING: page flip 1 was delayed, missed 23 frames etc.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96701

--- Comment #24 from Humberto Israel Perez Rodriguez <humberto.i.perez.rodriguez at intel.com> ---
(In reply to yann from comment #22)
> (In reply to Imre Deak from comment #20)
> > Created attachment 125230 [details]
> > mutex starvation fix with proper patch names
> 
> Humberto, please use this patch and re-run the basic-cursor-vs-flip to
> confirm that it solve the subtest run issue (ie page flip delayed). Don't
> pay attention to the "Potential atomic update failure on pipe" which is
> tracked by bug 97027

Hi Yann : 

the patch 4 from the comment 20 cannot be applied in the nitghly kernel it
shows the following issue

patch :  0004-Avoid-mutex-starvation-when-optimistic-spinning-is-d.patch
===============================================
patching file include/linux/mutex.h
Hunk #1 FAILED at 57.
1 out of 1 hunk FAILED -- saving rejects to file include/linux/mutex.h.rej
patching file kernel/locking/mutex.c
Hunk #1 FAILED at 55.
Hunk #2 succeeded at 72 (offset 1 line).
Hunk #3 succeeded at 99 (offset 1 line).
Hunk #4 FAILED at 405.
Hunk #5 FAILED at 516.
Hunk #6 succeeded at 584 (offset 45 lines).
Hunk #7 FAILED at 553.
Hunk #8 succeeded at 608 (offset 45 lines).
Hunk #9 succeeded at 643 with fuzz 2 (offset 54 lines).
Hunk #10 succeeded at 656 with fuzz 2 (offset 57 lines).
Hunk #11 succeeded at 859 (offset 58 lines).
Hunk #12 succeeded at 877 (offset 58 lines).
Hunk #13 succeeded at 981 (offset 58 lines).
Hunk #14 succeeded at 996 (offset 58 lines).
Hunk #15 succeeded at 1015 (offset 58 lines).
4 out of 15 hunks FAILED -- saving rejects to file kernel/locking/mutex.c.rej


and when i try to compile the kernel i got an error, the commit which i tried
is : e220d4742a6aede8df0c2e9bc25e973c80136bbe

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