From 8d7e3de1e019238211fa06e109437a13cae62004 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 7 Feb 2011 15:23:02 +0000 Subject: [PATCH] drm/i915: Skip the no-op domain changes when already in CPU|GTT domains Removes some superfluous fluff from tracing... Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/i915_gem.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index f0f8c6ff684f..9297143447cf 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2931,6 +2931,9 @@ i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write) if (obj->gtt_space == NULL) return -EINVAL; + if (obj->base.write_domain == I915_GEM_DOMAIN_GTT) + return 0; + ret = i915_gem_object_flush_gpu_write_domain(obj); if (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; int ret; + if (obj->base.write_domain == I915_GEM_DOMAIN_CPU) + return 0; + ret = i915_gem_object_flush_gpu_write_domain(obj); if (ret) return ret; -- 2.20.1