drm/radeon/kms: fix bo's fence association

[sfrench/cifs-2.6.git] / drivers / gpu / drm / radeon / radeon_object.c

diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index d72a71bff218553106f69d489cf7caf34ed59b9a..f1da370928eb7656d5f9fc474fd8cfceb3222ae2 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -306,11 +306,10 @@ void radeon_bo_list_unreserve(struct list_head *head)
        }
 }
 
-int radeon_bo_list_validate(struct list_head *head, void *fence)
+int radeon_bo_list_validate(struct list_head *head)
 {
        struct radeon_bo_list *lobj;
        struct radeon_bo *bo;
-       struct radeon_fence *old_fence = NULL;
        int r;
 
        r = radeon_bo_list_reserve(head);
@@ -334,32 +333,27 @@ int radeon_bo_list_validate(struct list_head *head, void *fence)
                }
                lobj->gpu_offset = radeon_bo_gpu_offset(bo);
                lobj->tiling_flags = bo->tiling_flags;
-               if (fence) {
-                       old_fence = (struct radeon_fence *)bo->tbo.sync_obj;
-                       bo->tbo.sync_obj = radeon_fence_ref(fence);
-                       bo->tbo.sync_obj_arg = NULL;
-               }
-               if (old_fence) {
-                       radeon_fence_unref(&old_fence);
-               }
        }
        return 0;
 }
 
-void radeon_bo_list_unvalidate(struct list_head *head, void *fence)
+void radeon_bo_list_fence(struct list_head *head, void *fence)
 {
        struct radeon_bo_list *lobj;
-       struct radeon_fence *old_fence;
-
-       if (fence)
-               list_for_each_entry(lobj, head, list) {
-                       old_fence = to_radeon_fence(lobj->bo->tbo.sync_obj);
-                       if (old_fence == fence) {
-                               lobj->bo->tbo.sync_obj = NULL;
-                               radeon_fence_unref(&old_fence);
-                       }
+       struct radeon_bo *bo;
+       struct radeon_fence *old_fence = NULL;
+
+       list_for_each_entry(lobj, head, list) {
+               bo = lobj->bo;
+               spin_lock(&bo->tbo.lock);
+               old_fence = (struct radeon_fence *)bo->tbo.sync_obj;
+               bo->tbo.sync_obj = radeon_fence_ref(fence);
+               bo->tbo.sync_obj_arg = NULL;
+               spin_unlock(&bo->tbo.lock);
+               if (old_fence) {
+                       radeon_fence_unref(&old_fence);
                }
-       radeon_bo_list_unreserve(head);
+       }
 }
 
 int radeon_bo_fbdev_mmap(struct radeon_bo *bo,