Commit 4dd504f7 authored Sep 26, 2017 by Chris Wilson

drm/i915: Use memset64() to prefill the GTT page



Take advantage of optimised memset64() instead of open coding it to
prefill the GTT pages.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20170926095353.11036-1-chris@chris-wilson.co.uk


Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

parent 163e8aec

drivers/gpu/drm/i915/i915_gem_gtt.c

+1 −3

Original line number	Diff line number	Diff line
		@@ -481,10 +481,8 @@ 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);
		}