Quoting Tvrtko Ursulin (2017-09-26 11:30:50) > > On 26/09/2017 10:53, Chris Wilson wrote: > > Take advantage of optimised memset64() instead of open coding it to > > prefill the GTT pages. > > > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > > --- > > Needs backmerge from 4.14-rc1, but it's tantalisingly close. > > --- > > drivers/gpu/drm/i915/i915_gem_gtt.c | 4 +--- > > 1 file changed, 1 insertion(+), 3 deletions(-) > > > > diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c > > index 0477949805e1..74062897d331 100644 > > --- a/drivers/gpu/drm/i915/i915_gem_gtt.c > > +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c > > @@ -486,10 +486,8 @@ static void fill_page_dma(struct i915_address_space *vm, > > const u64 val) > > { > > u64 * const vaddr = kmap_atomic(p->page); > > - int i; > > > > - for (i = 0; i < 512; i++) > > - vaddr[i] = val; > > + memset64(vaddr, val, PAGE_SIZE / sizeof(val)); > > > > kunmap_atomic(vaddr); > > } > > > > Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> Back merge landed, so pushed. Thanks for the review. -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx