[Mesa-dev] [PATCH 2/4] anv: Implement a VF cache invalidate workaround

[Kenneth Graunke]

On Saturday, September 1, 2018 9:24:53 AM PDT Jason Ekstrand wrote:
> This appears to hang broadwell; we should probably think twice before
> enabling it so broadly.  I'll adjust it to be gen9 only or we can just can
> the patch entirely.

There a bunch of workarounds and they're tricky to get right.

You might look at iris_emit_raw_pipe_control here:

https://gitlab.freedesktop.org/kwg/mesa/blob/iris/src/gallium/drivers/iris/iris_state.c#L3878

Maybe we should make src/intel/common/gen_pipe_control.c...

--Ken
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