Now with ttm initialization being out of the way we can simplify
virtio_gpu_object_create fencing even more.  No need to check whenever
the command is still running after ttm_bo_init() returned.  We have a
fully initialized gem bo before we kick off the resource creation
command, so we can simply add the fence to the bo's reservation object
beforehand.

Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
 drivers/gpu/drm/virtio/virtgpu_object.c | 27 +++++++++----------------
 1 file changed, 9 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c 
b/drivers/gpu/drm/virtio/virtgpu_object.c
index d0e328db0a55..4301456f087f 100644
--- a/drivers/gpu/drm/virtio/virtgpu_object.c
+++ b/drivers/gpu/drm/virtio/virtgpu_object.c
@@ -120,30 +120,21 @@ int virtio_gpu_object_create(struct virtio_gpu_device 
*vgdev,
        }
        bo->dumb = params->dumb;
 
-       if (params->virgl) {
-               virtio_gpu_cmd_resource_create_3d(vgdev, bo, params, fence);
-       } else {
-               virtio_gpu_cmd_create_resource(vgdev, bo, params, fence);
-       }
-
        if (fence) {
-               struct virtio_gpu_fence_driver *drv = &vgdev->fence_drv;
                struct drm_gem_object *obj = &bo->base.base;
                struct ww_acquire_ctx ticket;
-               unsigned long irq_flags;
 
-               drm_gem_object_get(obj);
                ret = drm_gem_lock_reservations(&obj, 1, &ticket);
-               if (ret == 0) {
-                       spin_lock_irqsave(&drv->lock, irq_flags);
-                       if (!virtio_fence_signaled(&fence->f))
-                               /* virtio create command still in flight */
-                               reservation_object_add_excl_fence(obj->resv,
-                                                                 &fence->f);
-                       spin_unlock_irqrestore(&drv->lock, irq_flags);
-               }
+               if (ret == 0)
+                       reservation_object_add_excl_fence(obj->resv,
+                                                         &fence->f);
                drm_gem_unlock_reservations(&obj, 1, &ticket);
-               drm_gem_object_put_unlocked(obj);
+       }
+
+       if (params->virgl) {
+               virtio_gpu_cmd_resource_create_3d(vgdev, bo, params, fence);
+       } else {
+               virtio_gpu_cmd_create_resource(vgdev, bo, params, fence);
        }
 
        ret = virtio_gpu_object_attach(vgdev, bo, NULL);
-- 
2.18.1

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

Reply via email to