[Bug 108712] Kernel code no longer counts EU correctly for i5-5250U (HD Graphics 6000 BroadWell U-Processor GT3)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108712

--- Comment #16 from Dmitry Rogozhkin <dmitry.v.rogozhkin at intel.com> ---
Hi, Intel OpenCL NEO driver got a bug report
(https://github.com/intel/compute-runtime/issues/200) which seems describing
this issue. I checked whether Lionel's patch got applied against kernel.org LTS
kernels and it seems it was not:
1. 4.20 has the patch:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/log/?h=linux-4.20.y&qt=grep&q=drm%2Fi915%3A+fix+broadwell+EU+computation
2. 4.19 does not:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/log/?h=linux-4.19.y&qt=grep&q=drm%2Fi915%3A+fix+broadwell+EU+computation

Patch has "Fixes" in the commit message, was it missed by KH in cherry-picks?

Lionel, can you, please, also check whether patch is needed for 4.14 LTS? /I
assume that it is needed for 4.19 for sure./

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