[Bug 41265] Radeon KMS does not work on thunderbolt media dock

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Comment # 53 on bug 41265 from
Does AMD need to make a change to the proprietary fglrx drivers in order for
the kernel patch to work with their drivers and if so has a bug been opened
with them? I'm using Ubuntu 12.10 with kernel 3.6.9 and no problem getting this
to work with the gallium (radeon) drivers, however when I try the fglrx drivers
I get the following messages in kern.log:

Dec 27 13:07:11 gnunn-laptop2 kernel: [   11.925204] <3>[fglrx:hal_read_VBIOS]
*ERROR* Invalid AMD VBIOS!
Dec 27 13:07:11 gnunn-laptop2 kernel: [   11.925207] <3>[fglrx:hal_init_gpu]
*ERROR* Failed to read VBIOS!
Dec 27 13:07:11 gnunn-laptop2 kernel: [   11.925208] <6>[fglrx] device open
failed with code -1

Which sounds like a similar issue to what was described here. While I generally
find the gallium drivers to be more stable and reliable then fglrx,
unfortunately fglrx significantly outperforms the open source drivers when it
comes to gaming.


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