Mesa (master): i965: Elide call to set_domain() if MAP_ASYNC

[Matt Turner]

Module: Mesa
Branch: master
Commit: 68bfc377fbdf831a96a3614cf2b7eedb842e3c16
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=68bfc377fbdf831a96a3614cf2b7eedb842e3c16

Author: Matt Turner <mattst88 at gmail.com>
Date:   Wed May 31 21:06:18 2017 -0700

i965: Elide call to set_domain() if MAP_ASYNC

No functional change (no callers currently pass MAP_ASYNC)

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/mesa/drivers/dri/i965/brw_bufmgr.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_bufmgr.c b/src/mesa/drivers/dri/i965/brw_bufmgr.c
index ec9611feb9..9e5847fb60 100644
--- a/src/mesa/drivers/dri/i965/brw_bufmgr.c
+++ b/src/mesa/drivers/dri/i965/brw_bufmgr.c
@@ -689,8 +689,10 @@ brw_bo_map_cpu(struct brw_context *brw, struct brw_bo *bo, unsigned flags)
    DBG("brw_bo_map_cpu: %d (%s) -> %p\n", bo->gem_handle, bo->name,
        bo->map_cpu);
 
-   set_domain(brw, "CPU mapping", bo, I915_GEM_DOMAIN_CPU,
-              flags & MAP_WRITE ? I915_GEM_DOMAIN_CPU : 0);
+   if (!(flags & MAP_ASYNC)) {
+      set_domain(brw, "CPU mapping", bo, I915_GEM_DOMAIN_CPU,
+                 flags & MAP_WRITE ? I915_GEM_DOMAIN_CPU : 0);
+   }
 
    bo_mark_mmaps_incoherent(bo);
    VG(VALGRIND_MAKE_MEM_DEFINED(bo->map_cpu, bo->size));
@@ -762,8 +764,10 @@ brw_bo_map_gtt(struct brw_context *brw, struct brw_bo *bo, unsigned flags)
     * tell it when we're about to use things if we had done
     * rendering and it still happens to be bound to the GTT.
     */
-   set_domain(brw, "GTT mapping", bo,
-              I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
+   if (!(flags & MAP_ASYNC)) {
+      set_domain(brw, "GTT mapping", bo,
+                 I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
+   }
 
    bo_mark_mmaps_incoherent(bo);
    VG(VALGRIND_MAKE_MEM_DEFINED(bo->map_gtt, bo->size));