[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 #15 from Lionel Landwerlin <lionel.g.landwerlin at linux.intel.com> ---
(In reply to gordon.lack from comment #14)
> Created attachment 142455 [details]
> debug file-system info relating to the EUs found
> 
> I've built the Ubuntu kernel 4.18.0-10-generic with the patch applied.
> I copied the i915.ko module file out to the /lib/modules location.
> Rebooted and found no change!
> Then remembered that his module was probably in the initrd file, so created
> a new one and rebooted with that.
> This now showed things to be OK.
> 
> I ran a simple test program I had to query I915_PARAM_EU_TOTAL using ioctl()
> and that now returns 48 (not 24).
> The debug file-system data (relevant files attached) also now show 48 EUs.
> 
> So this has fixed the problem.
> 
> Thanks...

Thanks for spending the time to verify!

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