[Bug 27470] Dual link DVI mode (2560x1920) on Dell 30" display unusable (distorted screen) on RV770 [Radeon HD 4850]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27470

--- Comment #13 from nine at detonation.org 2011-01-12 22:43:47 PST ---
Just a heads up: problem's still there on 2.6.37 final. 

And for completeness, lspci output for my graphics card:

05:00.0 VGA compatible controller: ATI Technologies Inc RV770 [Radeon HD 4850]
(prog-if 00 [VGA controller])
        Subsystem: Giga-byte Technology Device 21c7
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 32 bytes
        Interrupt: pin A routed to IRQ 40
        Region 0: Memory at d0000000 (64-bit, prefetchable) [size=256M]
        Region 2: Memory at fd8e0000 (64-bit, non-prefetchable) [size=64K]
        Region 4: I/O ports at 6c00 [size=256]
        [virtual] Expansion ROM at fd800000 [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: radeon

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