diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-03-25 17:47:33 (GMT) |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-03-27 11:25:45 (GMT) |
| commit | 3ae5378330f581466b05bcea2dd3bc8731a598cb (patch) | |
| tree | c94b5df2503a3172a6377f5d552a480bca115dcf | |
| parent | a0356fc373517bc19713c9ff3aeedccbcc2ef7a4 (diff) | |
| download | linux-fsl-qoriq-3ae5378330f581466b05bcea2dd3bc8731a598cb.tar.xz | |
drm/i915: don't use gtt_pwrite on LLC cached objects
~120 µs instead fo ~210 µs to write 1mb on my snb. I like this.
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 34ef339..75e3b84 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -808,6 +808,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, } if (obj->gtt_space && + obj->cache_level == I915_CACHE_NONE && obj->base.write_domain != I915_GEM_DOMAIN_CPU) { ret = i915_gem_object_pin(obj, 0, true); if (ret) |