[Bug 99917] Failure to load bonaire_k_smc.bin in kernels 4.8-4.10

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99917

            Bug ID: 99917
           Summary: Failure to load bonaire_k_smc.bin in kernels 4.8-4.10
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: user1 at lpetrov.net

I have the following videocard

03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Device 665f (rev 81) (prog-if 00 [VGA controller])
        Subsystem: XFX Pine Group Inc. Device 7360

I use radeon driver.
That works for kernels 4.1 through 4.7.
Starting with kernel 4.8 through 4.10 it fails to load the firmware
and keeps the monotor black. I can log in to the system using ssh,
but X11 does not start. Here are the messages:

[drm] initializing kernel modesetting (BONAIRE 0x1002:0x665F 0x1682:0x7360
0x81).
radeon 0000:03:00.0: Invalid PCI ROM header signature: expecting 0xaa55, got
0xffff
ATOM BIOS: C93602
radeon 0000:03:00.0: VRAM: 2048M 0x0000000000000000 - 0x000000007FFFFFFF (2048M
used)
radeon 0000:03:00.0: GTT: 2048M 0x0000000080000000 - 0x00000000FFFFFFFF
[drm] Detected VRAM RAM=2048M, BAR=256M
[drm] RAM width 128bits DDR
[drm] radeon: 2048M of VRAM memory ready
[drm] radeon: 2048M of GTT memory ready.
[drm] Loading bonaire Microcode
radeon 0000:03:00.0: Direct firmware load for radeon/bonaire_k_smc.bin failed
with error -2
radeon 0000:03:00.0: Falling back to user helper

I removed contents of /usr/lib/firmware/radeon/ and copied there 246 files
found in
http://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/tree/radeon

I do have /usr/lib/firmware/radeon/bonaire_k_smc.bin that is 130796 bytes long:

53fcd7884233b08265e25a9774c551a8  /usr/lib/firmware/radeon/bonaire_k_smc.bin

Any ideas how to fix it?

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