[Bug 24971] New: radeon KMS failed to work since 2.6.32-rc1

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=24971

           Summary: radeon KMS failed to work since 2.6.32-rc1
           Product: xorg
           Version: 7.5
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: rem11_1999 at yahoo.fr
         QAContact: xorg-team at lists.x.org


Since 2.6.32-rc1 (and up to 2.6.32-rc6) kms failed to start correctly, and in
/var/log/message there's :

Nov  5 15:21:12 chronos kernel: [drm] Loading R500 Microcode
Nov  5 15:21:12 chronos kernel: platform radeon_cp.0: firmware: requesting
radeon/R520_cp.bin
Nov  5 15:21:12 chronos kernel: ACPI Warning for \_SB_.PCI0.BAT0._BIF:
Converted Buffer to expected String at index 9 (20090903/nsrepair-132)
Nov  5 15:21:12 chronos kernel: ACPI: Battery Slot [BAT0] (battery present)
Nov  5 15:21:12 chronos kernel: radeon_cp: Failed to load firmware
"radeon/R520_cp.bin"
Nov  5 15:21:12 chronos kernel: [drm:r100_cp_init] *ERROR* Failed to load
firmware!
Nov  5 15:21:12 chronos kernel: radeon 0000:01:00.0: failled initializing CP
(-2).
Nov  5 15:21:12 chronos kernel: radeon 0000:01:00.0: Disabling GPU acceleration
Nov  5 15:21:12 chronos kernel: [drm] radeon: cp finalized
Nov  5 15:21:12 chronos kernel: Unpin not necessary for ffff88007eea9000 !

But firmware is here in /lib64/firmware/radeon/R520_cp.bin.


If I restart a 2.6.31.* without changing anything, no problem :

Nov  5 15:30:37 chronos kernel: [drm] Loading R500 Microcode
Nov  5 15:30:37 chronos kernel: [drm] radeon: ring at 0x0000000020000000
Nov  5 15:30:37 chronos kernel: [drm] ring test succeeded in 4 usecs
Nov  5 15:30:37 chronos kernel: [drm] radeon: ib pool ready.
Nov  5 15:30:37 chronos kernel: [drm] ib test succeeded in 0 usecs
Nov  5 15:30:37 chronos kernel: [drm] Radeon Display Connectors
Nov  5 15:30:37 chronos kernel: [drm] Connector 0:


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