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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-09-26 12:53:53 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-09-28 23:00:48 +0300 |
| commit | 4dd504f7d98a6719eb2fc1a400257ca1f13d344b (patch) | |
| tree | 6f1a2203d0a7ba0b42983c4321200f0b0e1d9c89 | |
| parent | 163e8aecd13e4442fb996ffe031acb8f951dd55f (diff) | |
| download | linux-4dd504f7d98a6719eb2fc1a400257ca1f13d344b.tar.xz | |
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>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 64d785262d14..4c82ceb8d318 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -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); } |