Signed-off-by: Lionel Landwerlin lionel.g.landwerlin@intel.com --- intel/intel_bufmgr_gem.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c index 1e2dd77..bf6745d 100644 --- a/intel/intel_bufmgr_gem.c +++ b/intel/intel_bufmgr_gem.c @@ -1157,7 +1157,8 @@ static void drm_intel_gem_bo_unreference(drm_intel_bo *bo) drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo;
assert(atomic_read(&bo_gem->refcount) > 0); - if (atomic_dec_and_test(&bo_gem->refcount)) { + + if (atomic_add_unless(&bo_gem->refcount, -1, 1)) { drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; struct timespec time; @@ -1165,8 +1166,12 @@ static void drm_intel_gem_bo_unreference(drm_intel_bo *bo) clock_gettime(CLOCK_MONOTONIC, &time);
pthread_mutex_lock(&bufmgr_gem->lock); - drm_intel_gem_bo_unreference_final(bo, time.tv_sec); - drm_intel_gem_cleanup_bo_cache(bufmgr_gem, time.tv_sec); + + if (atomic_dec_and_test(&bo_gem->refcount)) { + drm_intel_gem_bo_unreference_final(bo, time.tv_sec); + drm_intel_gem_cleanup_bo_cache(bufmgr_gem, time.tv_sec); + } + pthread_mutex_unlock(&bufmgr_gem->lock); } }