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drm/i915: Skip the no-op domain changes when already in CPU|GTT domains

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Removes some superfluous fluff from tracing...

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-02-07 15:23:02 +00:00
parent db53a30261
commit 8d7e3de1e0
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/i915/i915_gem.c
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@ -2931,6 +2931,9 @@ i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write)
if (obj->gtt_space == NULL) if (obj->gtt_space == NULL)
return -EINVAL; return -EINVAL;
if (obj->base.write_domain == I915_GEM_DOMAIN_GTT)
return 0;
ret = i915_gem_object_flush_gpu_write_domain(obj); ret = i915_gem_object_flush_gpu_write_domain(obj);
if (ret) if (ret)
return ret; return ret;
@ -3033,6 +3036,9 @@ i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj, bool write)
uint32_t old_write_domain, old_read_domains; uint32_t old_write_domain, old_read_domains;
int ret; int ret;
if (obj->base.write_domain == I915_GEM_DOMAIN_CPU)
return 0;
ret = i915_gem_object_flush_gpu_write_domain(obj); ret = i915_gem_object_flush_gpu_write_domain(obj);
if (ret) if (ret)
return ret; return ret;