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

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

[bugzilla-daemon]

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

           Summary: RV670 AGP lodbias regression since st/mesa: remove
                    unnecessary flushes
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: lists@andyfurniss.entadsl.com


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@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.

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

[bugzilla-daemon]

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

--- Comment #1 from Andy Furniss <lists@andyfurniss.entadsl.com> 2011-04-15 04:43:15 PDT ---
(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@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

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

[bugzilla-daemon]

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

--- Comment #2 from Marek Olšák <maraeo@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@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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[Bug 35367] RV670 AGP lodbias regression since st/mesa: remove unnecessary flushes

[bugzilla-daemon]

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

Andy Furniss <lists@andyfurniss.entadsl.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #3 from Andy Furniss <lists@andyfurniss.entadsl.com> 2011-05-06 06:46:09 PDT ---
fixed in mesa master.

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