[Bug 102637] New: Radeon 9600 Pro (Mac Version) shows funky colours on console and X (ppc64)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102637

            Bug ID: 102637
           Summary: Radeon 9600 Pro (Mac Version) shows funky colours on
                    console and X (ppc64)
           Product: xorg
           Version: 7.7 (2012.06)
          Hardware: PowerPC
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: erhard_f at mailbox.org
        QA Contact: xorg-team at lists.x.org

Created attachment 134111
  --> https://bugs.freedesktop.org/attachment.cgi?id=134111&action=edit
kernel config

I got a Radeon 9600 Pro (rv350, Mac Version, AGP) card for my PowerMac G5 7,3.
I get a nice display, but in all funky colours, even at the console level
without X. X too has the colour issue with radeon or fbdev.

Console output shows red instead of green, green instead of blue, blue instead
of red. The dark grey is still grey, but a bit brighter. Same sympthoms on
kernel 4.13.0 and 4.12.10.

System:
# inxi -b
System:    Host: T800 Kernel: 4.13.0-gentoo ppc64 bits: 32 Console: tty 0
Distro: Gentoo Base System release 2.3
Machine:   No /sys/class/dmi; using dmidecode: dmidecode is not installed.
CPU:       Dual core PPC970FX altivec supported (-MCP-) speed/max:
2300.000000MHz/2300 MHz
Graphics:  Card: Advanced Micro Devices [AMD/ATI] RV350 [Radeon 9550/9600/X1050
Series]
           Display Server: X.org 1.19.3 drivers: ati,radeon (unloaded:
modesetting,fbdev)
           tty size: 211x55 Advanced Data: N/A for root out of X
Network:   Card: Apple K2 GMAC (Sun GEM) driver: gem
Drives:    HDD Total Size: 500.1GB (4.4% used)
Info:      Processes: 84 Uptime: 2:23 Memory: 3133.4/7858.0MB Init: systemd
Client: Shell (bash) inxi: 2.3.36

Card:
0000:f0:10.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
RV350 [Radeon 9550/9600/X1050 Series] (prog-if 00 [VGA controller])
        Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] R9600 Pro primary
(Asus OEM for HP)
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 16 (2000ns min), Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 48
        Region 0: Memory at a0000000 (32-bit, prefetchable) [size=256M]
        Region 1: I/O ports at 0400 [size=256]
        Region 2: Memory at 90000000 (32-bit, non-prefetchable) [size=64K]
        Expansion ROM at 90020000 [disabled] [size=128K]
        Capabilities: [58] AGP version 2.0
                Status: RQ=80 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64- HTrans-
64bit- FW+ AGP3- Rate=x1,x2,x4
                Command: RQ=32 ArqSz=0 Cal=0 SBA+ AGP+ GART64- 64bit- FW-
Rate=x4
        Capabilities: [50] Power Management version 2
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
        Kernel driver in use: radeon
        Kernel modules: radeon

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