Messages in this thread Patch in this message |  | | | From | Daniel Vetter <> | | Subject | [PATCH 09/13] drm/i915: don't use gtt_pwrite on LLC cached objects | | Date | Sun, 6 Nov 2011 20:13:56 +0100 |
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~120 µs instead fo ~210 µs to write 1mb on my snb. I like this.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> --- 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 0048917..8fd175c 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -842,6 +842,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, ret = i915_gem_phys_pwrite(dev, obj, args, file); goto out; } else 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) -- 1.7.6.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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