Re: [PATCH 00/18] i915 HW Context Support

[Ben Widawsky <ben@bwidawsk.net>]

On Sun, Mar 18, 2012 at 01:39:40PM -0700, Ben Widawsky wrote:
> The patches have changed quite a bit since the RFC, and therefore I
> didn't feel comfortable trying to do v2 information. I didn't feel
> comfortable taking the few r-bs that I had from the RFC except for the
> one patch that I applied wholesale.
> 
> Summary:
> - Completely redid the patch splitting.
>   The number of patches increased, but LOC is about the same, and a
>   handful of the new patches are either because of more splitting, or
>   completely new bits.
> - Reference counted context allows freeing the data structure and
>   freeing the BO independently. This is probably the most significant
>   change.
> - Convert ILK RC6 code to use context code. I'm hopefuly this will make
>   things more stable, but have no proof.
> - Added trace events for context create/destroy/switch.
> - Only support render ring context switch (previous code supported any
>   ring, though media ring is the only other ring which *should* work).
> 
> Testing summary.
> ILK
>   RC6, just booted to desktop
> SNB
>   module load/unload testing
>   20 consecutive suspend resume cycles
>   nexuiz with experimental mesa
>   piglit quick.tests with experimental mesa
>     I've seen time-elapsed, and polygonOffset intermittently fail, I
>     believe this is caused by the following...
>   Missed IRQs now seem to occur once every other piglit run.
>     I have some new code to try to fix this... coming soon, I hope.
> IVB
>   No testing done since RFC
> 
> I'll respond to this email with links to what I used to test (code is
> currently not in pushable form).
> kernel
> libdrm
> mesa
> intel-gpu-tools

Kernel:
git://people.freedesktop.org/~bwidawsk/drm-intel context_support

libdrm:
git://people.freedesktop.org/~bwidawsk/drm context_support

mesa:
git://people.freedesktop.org/~bwidawsk/mesa context_support

intel-gpu-tools
git://people.freedesktop.org/~bwidawsk/intel-gpu-tools context_support