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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-03-04 23:06:46 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-03-05 08:51:30 +0000 |
| commit | 4f1836453e42edcc7bb3c53c6c38534697ca77b0 (patch) | |
| tree | 292ca26577f403e56919a13bde1cbcd4c6c1cfb1 /drivers/gpu/drm/i915/intel_dvo.c | |
| parent | f139da1390577eb349e762f2f5794a1ff33497f7 (diff) | |
| download | linux-4f1836453e42edcc7bb3c53c6c38534697ca77b0.tar.bz2 | |
drm/i915/gtt: Use optimised memset32/64 for clearing PTE
Replace the open-coded memset loops with the memset32/64 routines that
reduce to a single instruction or two:
add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-83 (-83)
Function old new delta
gen6_ppgtt_clear_range 371 344 -27
gen8_ppgtt_clear_pd 575 519 -56
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190304230646.23714-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dvo.c')
0 files changed, 0 insertions, 0 deletions