[PATCH v6 16/18] drm/virtio: rework virtio_gpu_cmd_context_{attach, detach}_resource

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Switch to the virtio_gpu_array_* helper workflow.

Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
---
 drivers/gpu/drm/virtio/virtgpu_drv.h |  4 ++--
 drivers/gpu/drm/virtio/virtgpu_gem.c | 24 +++++++++++-------------
 drivers/gpu/drm/virtio/virtgpu_vq.c  | 10 ++++++----
 3 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
index b1f63a21abb6..d99c54abd090 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -292,10 +292,10 @@ void virtio_gpu_cmd_context_destroy(struct virtio_gpu_device *vgdev,
 				    uint32_t id);
 void virtio_gpu_cmd_context_attach_resource(struct virtio_gpu_device *vgdev,
 					    uint32_t ctx_id,
-					    uint32_t resource_id);
+					    struct virtio_gpu_object_array *objs);
 void virtio_gpu_cmd_context_detach_resource(struct virtio_gpu_device *vgdev,
 					    uint32_t ctx_id,
-					    uint32_t resource_id);
+					    struct virtio_gpu_object_array *objs);
 void virtio_gpu_cmd_submit(struct virtio_gpu_device *vgdev,
 			   void *data, uint32_t data_size,
 			   uint32_t ctx_id,
diff --git a/drivers/gpu/drm/virtio/virtgpu_gem.c b/drivers/gpu/drm/virtio/virtgpu_gem.c
index 6baf64141645..e75819dbba80 100644
--- a/drivers/gpu/drm/virtio/virtgpu_gem.c
+++ b/drivers/gpu/drm/virtio/virtgpu_gem.c
@@ -111,19 +111,18 @@ int virtio_gpu_gem_object_open(struct drm_gem_object *obj,
 {
 	struct virtio_gpu_device *vgdev = obj->dev->dev_private;
 	struct virtio_gpu_fpriv *vfpriv = file->driver_priv;
-	struct virtio_gpu_object *qobj = gem_to_virtio_gpu_obj(obj);
-	int r;
+	struct virtio_gpu_object_array *objs;
 
 	if (!vgdev->has_virgl_3d)
 		return 0;
 
-	r = virtio_gpu_object_reserve(qobj);
-	if (r)
-		return r;
+	objs = virtio_gpu_array_alloc(1);
+	if (!objs)
+		return -ENOMEM;
+	virtio_gpu_array_add_obj(objs, obj);
 
 	virtio_gpu_cmd_context_attach_resource(vgdev, vfpriv->ctx_id,
-					       qobj->hw_res_handle);
-	virtio_gpu_object_unreserve(qobj);
+					       objs);
 	return 0;
 }
 
@@ -132,19 +131,18 @@ void virtio_gpu_gem_object_close(struct drm_gem_object *obj,
 {
 	struct virtio_gpu_device *vgdev = obj->dev->dev_private;
 	struct virtio_gpu_fpriv *vfpriv = file->driver_priv;
-	struct virtio_gpu_object *qobj = gem_to_virtio_gpu_obj(obj);
-	int r;
+	struct virtio_gpu_object_array *objs;
 
 	if (!vgdev->has_virgl_3d)
 		return;
 
-	r = virtio_gpu_object_reserve(qobj);
-	if (r)
+	objs = virtio_gpu_array_alloc(1);
+	if (!objs)
 		return;
+	virtio_gpu_array_add_obj(objs, obj);
 
 	virtio_gpu_cmd_context_detach_resource(vgdev, vfpriv->ctx_id,
-						qobj->hw_res_handle);
-	virtio_gpu_object_unreserve(qobj);
+					       objs);
 }
 
 struct virtio_gpu_object_array *virtio_gpu_array_alloc(u32 nents)
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 1c0097de419a..799d1339ee0f 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -835,8 +835,9 @@ void virtio_gpu_cmd_context_destroy(struct virtio_gpu_device *vgdev,
 
 void virtio_gpu_cmd_context_attach_resource(struct virtio_gpu_device *vgdev,
 					    uint32_t ctx_id,
-					    uint32_t resource_id)
+					    struct virtio_gpu_object_array *objs)
 {
+	struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(objs->objs[0]);
 	struct virtio_gpu_ctx_resource *cmd_p;
 	struct virtio_gpu_vbuffer *vbuf;
 
@@ -845,15 +846,16 @@ void virtio_gpu_cmd_context_attach_resource(struct virtio_gpu_device *vgdev,
 
 	cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_CTX_ATTACH_RESOURCE);
 	cmd_p->hdr.ctx_id = cpu_to_le32(ctx_id);
-	cmd_p->resource_id = cpu_to_le32(resource_id);
+	cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle);
 	virtio_gpu_queue_ctrl_buffer(vgdev, vbuf);
 
 }
 
 void virtio_gpu_cmd_context_detach_resource(struct virtio_gpu_device *vgdev,
 					    uint32_t ctx_id,
-					    uint32_t resource_id)
+					    struct virtio_gpu_object_array *objs)
 {
+	struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(objs->objs[0]);
 	struct virtio_gpu_ctx_resource *cmd_p;
 	struct virtio_gpu_vbuffer *vbuf;
 
@@ -862,7 +864,7 @@ void virtio_gpu_cmd_context_detach_resource(struct virtio_gpu_device *vgdev,
 
 	cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_CTX_DETACH_RESOURCE);
 	cmd_p->hdr.ctx_id = cpu_to_le32(ctx_id);
-	cmd_p->resource_id = cpu_to_le32(resource_id);
+	cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle);
 	virtio_gpu_queue_ctrl_buffer(vgdev, vbuf);
 }
 
-- 
2.18.1

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