[Intel-gfx] [PATCH 2/3] drm/i915: Support for the clflush of pre-populated pages

Chris Wilson chris at chris-wilson.co.uk
Mon Aug 24 05:43:57 PDT 2015


On Mon, Aug 24, 2015 at 05:28:15PM +0530, ankitprasad.r.sharma at intel.com wrote:
> From: Ankitprasad Sharma <ankitprasad.r.sharma at intel.com>
> 
> This patch provides a support for the User to immediately flush
> out the cachelines for the pre-populated pages of an object, at the
> time of its creation. This will not lead to any redundancy and would
> further reduce the time for which the 'struct_mutex' is kept locked in
> execbuffer path, as cache flush of the newly allocated pages is anyways
> done when the object is submitted to GPU.
> 
> Signed-off-by: Ankitprasad Sharma <ankitprasad.r.sharma at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre


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