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intel: silence valgrind warnings for unsynchronized maps

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Mark the address ranges as accessible with VALGRIND_MAKE_MEM_DEFINED.

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chia-I Wu 2013-07-10 10:49:59 +08:00 • committed by Daniel Vetter
parent f8f1f6e37a
commit fea5408098
1 changed files with 7 additions and 0 deletions
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7
intel/intel_bufmgr_gem.c
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@ -1322,6 +1322,7 @@ int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo)
int drm_intel_gem_bo_map_unsynchronized(drm_intel_bo *bo)
{
drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr;
drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo;
int ret;
/* If the CPU cache isn't coherent with the GTT, then use a
@ -1335,7 +1336,13 @@ int drm_intel_gem_bo_map_unsynchronized(drm_intel_bo *bo)
return drm_intel_gem_bo_map_gtt(bo);
pthread_mutex_lock(&bufmgr_gem->lock);
ret = map_gtt(bo);
if (ret == 0) {
drm_intel_gem_bo_mark_mmaps_incoherent(bo);
VG(VALGRIND_MAKE_MEM_DEFINED(bo_gem->gtt_virtual, bo->size));
}
pthread_mutex_unlock(&bufmgr_gem->lock);
return ret;