Linux Virtualization - Dec 2018 - [PATCH 05/10] drm/virtio: use struct to pass params to virtio_gpu_object_create()

Create virtio_gpu_object_params, use that to pass object parameters to
virtio_gpu_object_create.  Also drop unused "kernel" parameter
(unused,
always false).

Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
---
 drivers/gpu/drm/virtio/virtgpu_drv.h    | 15 ++++++++++-----
 drivers/gpu/drm/virtio/virtgpu_gem.c    | 18 +++++++++++-------
 drivers/gpu/drm/virtio/virtgpu_ioctl.c  | 12 +++++++-----
 drivers/gpu/drm/virtio/virtgpu_object.c | 22 +++++++++-------------
 4 files changed, 37 insertions(+), 30 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h
b/drivers/gpu/drm/virtio/virtgpu_drv.h
index bfb31fc3d0..8cff8a3f7c 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -53,6 +53,11 @@
 /* virtgpu_drm_bus.c */
 int drm_virtio_init(struct drm_driver *driver, struct virtio_device *vdev);
 
+struct virtio_gpu_object_params {
+	unsigned long size;
+	bool pinned;
+};
+
 struct virtio_gpu_object {
 	struct drm_gem_object gem_base;
 	uint32_t hw_res_handle;
@@ -220,16 +225,16 @@ int virtio_gpu_gem_init(struct virtio_gpu_device *vgdev);
 void virtio_gpu_gem_fini(struct virtio_gpu_device *vgdev);
 int virtio_gpu_gem_create(struct drm_file *file,
 			  struct drm_device *dev,
-			  uint64_t size,
+			  struct virtio_gpu_object_params *params,
 			  struct drm_gem_object **obj_p,
 			  uint32_t *handle_p);
 int virtio_gpu_gem_object_open(struct drm_gem_object *obj,
 			       struct drm_file *file);
 void virtio_gpu_gem_object_close(struct drm_gem_object *obj,
 				 struct drm_file *file);
-struct virtio_gpu_object *virtio_gpu_alloc_object(struct drm_device *dev,
-						  size_t size, bool kernel,
-						  bool pinned);
+struct virtio_gpu_object*
+virtio_gpu_alloc_object(struct drm_device *dev,
+			struct virtio_gpu_object_params *params);
 int virtio_gpu_mode_dumb_create(struct drm_file *file_priv,
 				struct drm_device *dev,
 				struct drm_mode_create_dumb *args);
@@ -345,7 +350,7 @@ void virtio_gpu_fence_event_process(struct virtio_gpu_device
*vdev,
 
 /* virtio_gpu_object */
 int virtio_gpu_object_create(struct virtio_gpu_device *vgdev,
-			     unsigned long size, bool kernel, bool pinned,
+			     struct virtio_gpu_object_params *params,
 			     struct virtio_gpu_object **bo_ptr);
 void virtio_gpu_object_kunmap(struct virtio_gpu_object *bo);
 int virtio_gpu_object_kmap(struct virtio_gpu_object *bo);
diff --git a/drivers/gpu/drm/virtio/virtgpu_gem.c
b/drivers/gpu/drm/virtio/virtgpu_gem.c
index f065863939..384cd80bf3 100644
--- a/drivers/gpu/drm/virtio/virtgpu_gem.c
+++ b/drivers/gpu/drm/virtio/virtgpu_gem.c
@@ -34,15 +34,15 @@ void virtio_gpu_gem_free_object(struct drm_gem_object
*gem_obj)
 		virtio_gpu_object_unref(&obj);
 }
 
-struct virtio_gpu_object *virtio_gpu_alloc_object(struct drm_device *dev,
-						  size_t size, bool kernel,
-						  bool pinned)
+struct virtio_gpu_object*
+virtio_gpu_alloc_object(struct drm_device *dev,
+			struct virtio_gpu_object_params *params)
 {
 	struct virtio_gpu_device *vgdev = dev->dev_private;
 	struct virtio_gpu_object *obj;
 	int ret;
 
-	ret = virtio_gpu_object_create(vgdev, size, kernel, pinned, &obj);
+	ret = virtio_gpu_object_create(vgdev, params, &obj);
 	if (ret)
 		return ERR_PTR(ret);
 
@@ -51,7 +51,7 @@ struct virtio_gpu_object *virtio_gpu_alloc_object(struct
drm_device *dev,
 
 int virtio_gpu_gem_create(struct drm_file *file,
 			  struct drm_device *dev,
-			  uint64_t size,
+			  struct virtio_gpu_object_params *params,
 			  struct drm_gem_object **obj_p,
 			  uint32_t *handle_p)
 {
@@ -59,7 +59,7 @@ int virtio_gpu_gem_create(struct drm_file *file,
 	int ret;
 	u32 handle;
 
-	obj = virtio_gpu_alloc_object(dev, size, false, false);
+	obj = virtio_gpu_alloc_object(dev, params);
 	if (IS_ERR(obj))
 		return PTR_ERR(obj);
 
@@ -85,6 +85,9 @@ int virtio_gpu_mode_dumb_create(struct drm_file *file_priv,
 	struct virtio_gpu_device *vgdev = dev->dev_private;
 	struct drm_gem_object *gobj;
 	struct virtio_gpu_object *obj;
+	struct virtio_gpu_object_params params = {
+		.pinned = false,
+	};
 	int ret;
 	uint32_t pitch;
 	uint32_t format;
@@ -96,7 +99,8 @@ int virtio_gpu_mode_dumb_create(struct drm_file *file_priv,
 	args->size = pitch * args->height;
 	args->size = ALIGN(args->size, PAGE_SIZE);
 
-	ret = virtio_gpu_gem_create(file_priv, dev, args->size, &gobj,
+	params.size = args->size;
+	ret = virtio_gpu_gem_create(file_priv, dev, &params, &gobj,
 				    &args->handle);
 	if (ret)
 		goto fail;
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index 14ce8188c0..65b4a54f10 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -279,12 +279,14 @@ static int virtio_gpu_resource_create_ioctl(struct
drm_device *dev, void *data,
 	struct virtio_gpu_object *qobj;
 	struct drm_gem_object *obj;
 	uint32_t handle = 0;
-	uint32_t size;
 	struct list_head validate_list;
 	struct ttm_validate_buffer mainbuf;
 	struct virtio_gpu_fence *fence = NULL;
 	struct ww_acquire_ctx ticket;
 	struct virtio_gpu_resource_create_3d rc_3d;
+	struct virtio_gpu_object_params params = {
+		.pinned = false,
+	};
 
 	if (vgdev->has_virgl_3d == false) {
 		if (rc->depth > 1)
@@ -302,13 +304,13 @@ static int virtio_gpu_resource_create_ioctl(struct
drm_device *dev, void *data,
 	INIT_LIST_HEAD(&validate_list);
 	memset(&mainbuf, 0, sizeof(struct ttm_validate_buffer));
 
-	size = rc->size;
+	params.size = rc->size;
 
 	/* allocate a single page size object */
-	if (size == 0)
-		size = PAGE_SIZE;
+	if (params.size == 0)
+		params.size = PAGE_SIZE;
 
-	qobj = virtio_gpu_alloc_object(dev, size, false, false);
+	qobj = virtio_gpu_alloc_object(dev, &params);
 	if (IS_ERR(qobj))
 		return PTR_ERR(qobj);
 	obj = &qobj->gem_base;
diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c
b/drivers/gpu/drm/virtio/virtgpu_object.c
index f39a183d59..62367e3f80 100644
--- a/drivers/gpu/drm/virtio/virtgpu_object.c
+++ b/drivers/gpu/drm/virtio/virtgpu_object.c
@@ -79,21 +79,16 @@ static void virtio_gpu_init_ttm_placement(struct
virtio_gpu_object *vgbo,
 }
 
 int virtio_gpu_object_create(struct virtio_gpu_device *vgdev,
-			     unsigned long size, bool kernel, bool pinned,
+			     struct virtio_gpu_object_params *params,
 			     struct virtio_gpu_object **bo_ptr)
 {
 	struct virtio_gpu_object *bo;
-	enum ttm_bo_type type;
 	size_t acc_size;
 	int ret;
 
-	if (kernel)
-		type = ttm_bo_type_kernel;
-	else
-		type = ttm_bo_type_device;
 	*bo_ptr = NULL;
 
-	acc_size = ttm_bo_dma_acc_size(&vgdev->mman.bdev, size,
+	acc_size = ttm_bo_dma_acc_size(&vgdev->mman.bdev, params->size,
 				       sizeof(struct virtio_gpu_object));
 
 	bo = kzalloc(sizeof(struct virtio_gpu_object), GFP_KERNEL);
@@ -104,19 +99,20 @@ int virtio_gpu_object_create(struct virtio_gpu_device
*vgdev,
 		kfree(bo);
 		return ret;
 	}
-	size = roundup(size, PAGE_SIZE);
-	ret = drm_gem_object_init(vgdev->ddev, &bo->gem_base, size);
+	params->size = roundup(params->size, PAGE_SIZE);
+	ret = drm_gem_object_init(vgdev->ddev, &bo->gem_base,
params->size);
 	if (ret != 0) {
 		virtio_gpu_resource_id_put(vgdev, bo->hw_res_handle);
 		kfree(bo);
 		return ret;
 	}
 	bo->dumb = false;
-	virtio_gpu_init_ttm_placement(bo, pinned);
+	virtio_gpu_init_ttm_placement(bo, params->pinned);
 
-	ret = ttm_bo_init(&vgdev->mman.bdev, &bo->tbo, size, type,
-			  &bo->placement, 0, !kernel, acc_size,
-			  NULL, NULL, &virtio_gpu_ttm_bo_destroy);
+	ret = ttm_bo_init(&vgdev->mman.bdev, &bo->tbo, params->size,
+			  ttm_bo_type_device, &bo->placement, 0,
+			  true, acc_size, NULL, NULL,
+			  &virtio_gpu_ttm_bo_destroy);
 	/* ttm_bo_init failure will call the destroy */
 	if (ret != 0)
 		return ret;
-- 
2.9.3