diff options
-rw-r--r-- | intel/intel_bufmgr_gem.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c index 9daa89ad..54c82d62 100644 --- a/intel/intel_bufmgr_gem.c +++ b/intel/intel_bufmgr_gem.c @@ -927,6 +927,8 @@ static int drm_intel_gem_bo_map(drm_intel_bo *bo, int write_enable) struct drm_i915_gem_set_domain set_domain; int ret; + pthread_mutex_lock(&bufmgr_gem->lock); + /* Allow recursive mapping. Mesa may recursively map buffers with * nested display loops. */ @@ -950,6 +952,7 @@ static int drm_intel_gem_bo_map(drm_intel_bo *bo, int write_enable) "%s:%d: Error mapping buffer %d (%s): %s .\n", __FILE__, __LINE__, bo_gem->gem_handle, bo_gem->name, strerror(errno)); + pthread_mutex_unlock(&bufmgr_gem->lock); return ret; } bo_gem->mem_virtual = (void *)(uintptr_t) mmap_arg.addr_ptr; @@ -974,9 +977,12 @@ static int drm_intel_gem_bo_map(drm_intel_bo *bo, int write_enable) fprintf(stderr, "%s:%d: Error setting to CPU domain %d: %s\n", __FILE__, __LINE__, bo_gem->gem_handle, strerror(errno)); + pthread_mutex_unlock(&bufmgr_gem->lock); return ret; } + pthread_mutex_unlock(&bufmgr_gem->lock); + return 0; } @@ -987,6 +993,8 @@ int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo) struct drm_i915_gem_set_domain set_domain; int ret; + pthread_mutex_lock(&bufmgr_gem->lock); + /* Get a mapping of the buffer if we haven't before. */ if (bo_gem->gtt_virtual == NULL) { struct drm_i915_gem_mmap_gtt mmap_arg; @@ -1010,6 +1018,7 @@ int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo) __FILE__, __LINE__, bo_gem->gem_handle, bo_gem->name, strerror(errno)); + pthread_mutex_unlock(&bufmgr_gem->lock); return ret; } @@ -1025,6 +1034,7 @@ int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo) __FILE__, __LINE__, bo_gem->gem_handle, bo_gem->name, strerror(errno)); + pthread_mutex_unlock(&bufmgr_gem->lock); return ret; } } @@ -1051,6 +1061,8 @@ int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo) strerror(errno)); } + pthread_mutex_unlock(&bufmgr_gem->lock); + return ret; } @@ -1065,7 +1077,9 @@ int drm_intel_gem_bo_unmap_gtt(drm_intel_bo *bo) assert(bo_gem->gtt_virtual != NULL); + pthread_mutex_lock(&bufmgr_gem->lock); bo->virtual = NULL; + pthread_mutex_unlock(&bufmgr_gem->lock); return ret; } @@ -1082,6 +1096,8 @@ static int drm_intel_gem_bo_unmap(drm_intel_bo *bo) assert(bo_gem->mem_virtual != NULL); + pthread_mutex_lock(&bufmgr_gem->lock); + /* Cause a flush to happen if the buffer's pinned for scanout, so the * results show up in a timely manner. */ @@ -1094,6 +1110,7 @@ static int drm_intel_gem_bo_unmap(drm_intel_bo *bo) ret = ret == -1 ? -errno : 0; bo->virtual = NULL; + pthread_mutex_unlock(&bufmgr_gem->lock); return ret; } |