[Bug 105111] New: amdgpu 0000:00:01.0: Invalid ROM contents (with A8-7600)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=105111

            Bug ID: 105111
           Summary: amdgpu 0000:00:01.0: Invalid ROM contents (with
                    A8-7600)
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.3.0-rc3
          Hardware: IA-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: fin4478 at hotmail.com
        Regression: No

Created attachment 188721
  --> https://bugzilla.kernel.org/attachment.cgi?id=188721&action=edit
dmesg output

amdgpu fails to find bios rom in Amd A8-7600 system. The following is a dmesg
capture after booting to linux rescue mode:

[    1.629958] [drm] amdgpu kernel modesetting enabled.
[    1.630360] [drm] initializing kernel modesetting (KAVERI 0x1002:0x1313
0x1043:0x85CB 0x00).
[    1.630410] [drm] register mmio base: 0xFEB00000
[    1.630445] [drm] register mmio size: 262144
[    1.630487] [drm] doorbell mmio base: 0xF0000000
[    1.630523] [drm] doorbell mmio size: 8388608
[    1.630582] amdgpu 0000:00:01.0: Invalid ROM contents
[    1.630652] [drm:amdgpu_get_bios [amdgpu]] *ERROR* Unable to locate a BIOS
ROM
[    1.630695] amdgpu 0000:00:01.0: Fatal error during GPU init
[    1.630732] [drm] amdgpu: finishing device.
[    1.630767] [TTM] Memory type 2 has not been initialized
[    1.632024] amdgpu: probe of 0000:00:01.0 failed with error -22

Problematic code is in the file: drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c

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