[Bug 80331] [BISECTED]Radeon driver broken in kernel 3.12.15 onwards for ATI Radeon HD4770 Card

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=80331

--- Comment #15 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to Colin from comment #14)
> 
> Thanks I'll give it a go when I home from work tonight. I am sure that will
> be the solution. Strange thing is that even with the firmware not loaded the
> card works fine when the patch is not present.

The patch changes when the firmware loads during driver init.  With the patch
the failure happens earlier so the error is fatal and the driver doesn't load. 
Without the patch, the driver still loads but all acceleration, interrupts, and
most other features are disabled so it's not exactly working.

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