[Bug 97182] [REGRESSION][BISECT] Linux 4.8: SKL DMC Version is now 1.23?

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97182

--- Comment #6 from cprigent <christophe.prigent at intel.com> ---
Just to confirm I have the same behavior:

$ dmesg |grep DMC
[    2.910480] [drm] Refusing to load DMC firmware v1.26, please use v1.23
[https://01.org/linuxgraphics/intel-linux-graphics-firmwares].
[    2.910488] i915 0000:00:02.0: Failed to load DMC firmware
[https://01.org/linuxgraphics/intel-linux-graphics-firmwares], disabling
runtime power management.

# cat /sys/kernel/debug/dri/0/i915_dmc_info
fw loaded: no
path: i915/skl_dmc_ver1.bin
program base: 0xeffbfa27
ssp base: 0x00000000
htp: 0x00000000

Platform: NUC6i3SYB
CPU: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHZ (family 6, model 78, stepping 3)
Motherboard version: H81132-502
GPU: Intel® HD Graphics 520 - Intel Corporation Sky Lake Integrated Graphics
(rev 07)
Memory: one 8GB card Kingston KVR21S15D8/8
SSD: Samsung 850 EVO M.2 120 Go
Software
Bios: SYSKLi35.86A.0045.2016.0527.1055
Kernel: 4.7.0 6f87e85 from http://cgit.freedesktop.org/drm-intel/
  commit 6f87e85fa302ffdb4cb9f4cd712691165923c7a2
  Author: Chris Wilson <chris at chris-wilson.co.uk>
  Date:   Mon Aug 1 15:53:41 2016 +0100
  drm-intel-nightly: 2016y-08m-01d-14h-53m-17s UTC integration manifest
drm: libdrm-2.4.70 f19cd3a from git://anongit.freedesktop.org/mesa/drm
mesa: mesa-11.2.2 3a9f628from git://anongit.freedesktop.org/mesa/mesa
cairo: 1.15.2 db8a7f1 from git://anongit.freedesktop.org/cairo
xserver: xorg-server-1.18.0-502 c833c08 from
git://git.freedesktop.org/git/xorg/xserver
xf86-video-intel: 2.99.917-688 49daf5d from
git://git.freedesktop.org/git/xorg/driver/xf86-video-intel
libva: libva-1.7.0-40 f7e2263 from git://git.freedesktop.org/git/vaapi/libva
vaapi-intel-driver: 1.7.0-64 1cd6795 from
git://git.freedesktop.org/git/vaapi/intel-driver
DMC 1.26 from
https://01.org/sites/default/files/downloads/intelr-graphics-linux/skldmcver126.tar_1.bz2
GUC 6.1 from
https://01.org/sites/default/files/downloads/intelr-graphics-linux/sklgucver61.tar.bz2

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