[Intel-gfx] [PATCH 2/6] drm/i915/execlists: Use per-process HWSP as scratch

Chris Wilson chris at chris-wilson.co.uk
Thu Sep 26 10:18:13 UTC 2019


Quoting Michał Winiarski (2019-09-26 11:06:31)
> Some of our commands (MI_FLUSH_DW / PIPE_CONTROL) require a post-sync write
> operation to be performed. Currently we're using dedicated VMA for
> PIPE_CONTROL and global HWSP for MI_FLUSH_DW.
> On execlists platforms, each of our contexts has an area that can be
> used as scratch space. Let's use that instead.
> 
> Signed-off-by: Michał Winiarski <michal.winiarski at intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris


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