[Bug 35367] RV670 AGP lodbias regression since st/mesa: remove unnecessary flushes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=35367

--- Comment #2 from Marek Olšák <maraeo at gmail.com> 2011-04-15 13:27:28 PDT ---
(In reply to comment #1)
> (In reply to comment #0)
> > rv670 AGP but running agpmode=-1 as agpgart + gallium locks on this box.
> > kernel d-r-t, git ddx with tiling enabled in xorg.conf.
> > Does not affect my PCIE RV790 box.
> > 
> > Mesa demo lodbias does not work normally since 
> > 
> > commit bdf103894026238c7e896eccb995b141161bfb70
> > Author: Marek Olšák <maraeo at gmail.com>
> > Date:   Tue Mar 8 00:28:33 2011 +0100
> > 
> >     st/mesa: remove unnecessary flushes
> > 
> >     The framebuffer cache flush should be implicit when calling
> >     set_framebuffer_state.
> > 
> >     There is no need to flush the command stream either.
> > 
> > 
> > It disappears to black too quickly between 1.5 and 2.5 and the image is corrupt
> > rather than blurring gradually during this time.
> 
> fixed by patch in -
> 
> https://bugs.freedesktop.org/show_bug.cgi?id=35312

This is a driver-specific bug and the patch in bug 35312 is not a fix, it's a
bloody hack.

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