2 Commits

Author	SHA1	Message	Date
Chris Wilson	b78243fc61	test/gem_cpu_concurrent_blit: Limit memory usage to half aperture ... So that we don't cause needless thrashing on older devices and spoil the test.	2012-04-10 19:41:43 +01:00
Chris Wilson	da026d8bfe	test: Exercise concurrent GPU read/write with CPU domain access ... Designed to exercise this patch to i915.ko: diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index fbf1118..57ae1f2 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3181,9 +3181,11 @@ i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_obj if (ret) return ret; - ret = i915_gem_object_wait_rendering(obj); - if (ret) - return ret; + if (write || obj->pending_gpu_write) { + ret = i915_gem_object_wait_rendering(obj); + if (ret) + return ret; + } i915_gem_object_flush_gtt_write_domain(obj); By exercising the conditions whereby should either of the checks be missed an error is detected.	2012-04-10 19:35:29 +01:00