[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 #14 from gordon.lack at dsl.pipex.com ---
Created attachment 142455
  --> https://bugs.freedesktop.org/attachment.cgi?id=142455&action=edit
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...

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