[Bug 94102] New: rm:parse_csr_fw [i915]] *ERROR* Unknown stepping info, firmware loading failed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94102

            Bug ID: 94102
           Summary: rm:parse_csr_fw [i915]] *ERROR* Unknown stepping info,
                    firmware loading failed
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: myemailu at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

On my Intel NUC6I5, using kernel 4.5.0-rc3, the drm firmware is not loaded

journalctrl says:

Feb 11 21:56:14 linux kernel: [drm:parse_csr_fw [i915]] *ERROR* Unknown
stepping info, firmware loading failed
Feb 11 21:56:14 linux kernel: [drm:csr_load_work_fn [i915]] *ERROR* Failed to
load DMC firmware, disabling rpm

hardware:

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 78
model name      : Intel(R) Core(TM) i5-6260U CPU @ 1.80GHz
stepping        : 3
microcode       : 0x6a
cpu MHz         : 499.992
cache size      : 4096 KB
physical id     : 0
siblings        : 4
core id         : 0
cpu cores       : 2
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 22
wp              : yes


ls /lib/firmware/i915 :

-rw-r--r-- 1 root root   5872 24. Sep 16:07 bxt_dmc_ver1_04.bin
-rw-r--r-- 1 root root   5872 24. Sep 16:07 bxt_dmc_ver1_05.bin
-rw-r--r-- 1 root root   8380 24. Sep 16:07 bxt_dmc_ver1_06.bin
lrwxrwxrwx 1 root root     19 18. Nov 21:50 bxt_dmc_ver1.bin ->
bxt_dmc_ver1_06.bin
-rw-r--r-- 1 root root   8824 24. Sep 16:07 skl_dmc_ver1_21.bin
-rw-r--r-- 1 root root   8824 24. Sep 16:07 skl_dmc_ver1_22.bin
-rw-r--r-- 1 root root   8824 20. Okt 01:27 skl_dmc_ver1_23.bin
-rw-r--r-- 1 root root   8928 11. Feb 21:53 skl_dmc_ver1_26.bin
lrwxrwxrwx 1 root root     38 11. Feb 21:53 skl_dmc_ver1.bin ->
/lib/firmware/i915/skl_dmc_ver1_26.bin
-rw-r--r-- 1 root root 109636 24. Sep 16:07 skl_guc_ver1_1059.bin
lrwxrwxrwx 1 root root     21 18. Nov 21:50 skl_guc_ver1.bin ->
skl_guc_ver1_1059.bin
-rw-r--r-- 1 root root 128320 24. Sep 16:07 skl_guc_ver4_3.bin
lrwxrwxrwx 1 root root     18 18. Nov 21:50 skl_guc_ver4.bin ->
skl_guc_ver4_3.bin

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