1 files changed, 45 insertions, 90 deletions

diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
index e28829661724..0b56ba005e25 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -35,12 +35,9 @@
 #include <drm/drm_encoder.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_gem.h>
+#include <drm/drm_gem_shmem_helper.h>
 #include <drm/drm_ioctl.h>
 #include <drm/drm_probe_helper.h>
-#include <drm/ttm/ttm_bo_api.h>
-#include <drm/ttm/ttm_bo_driver.h>
-#include <drm/ttm/ttm_module.h>
-#include <drm/ttm/ttm_placement.h>
 
 #define DRIVER_NAME "virtio_gpu"
 #define DRIVER_DESC "virtio GPU"
@@ -68,21 +65,23 @@ struct virtio_gpu_object_params {
 };
 
 struct virtio_gpu_object {
-	struct drm_gem_object gem_base;
+	struct drm_gem_shmem_object base;
 	uint32_t hw_res_handle;
 
 	struct sg_table *pages;
 	uint32_t mapped;
-	void *vmap;
 	bool dumb;
-	struct ttm_place                placement_code;
-	struct ttm_placement		placement;
-	struct ttm_buffer_object	tbo;
-	struct ttm_bo_kmap_obj		kmap;
 	bool created;
 };
 #define gem_to_virtio_gpu_obj(gobj) \
-	container_of((gobj), struct virtio_gpu_object, gem_base)
+	container_of((gobj), struct virtio_gpu_object, base.base)
+
+struct virtio_gpu_object_array {
+	struct ww_acquire_ctx ticket;
+	struct list_head next;
+	u32 nents, total;
+	struct drm_gem_object *objs[];
+};
 
 struct virtio_gpu_vbuffer;
 struct virtio_gpu_device;
@@ -115,9 +114,9 @@ struct virtio_gpu_vbuffer {
 
 	char *resp_buf;
 	int resp_size;
-
 	virtio_gpu_resp_cb resp_cb;
 
+	struct virtio_gpu_object_array *objs;
 	struct list_head list;
 };
 
@@ -147,10 +146,6 @@ struct virtio_gpu_framebuffer {
 #define to_virtio_gpu_framebuffer(x) \
 	container_of(x, struct virtio_gpu_framebuffer, base)
 
-struct virtio_gpu_mman {
-	struct ttm_bo_device		bdev;
-};
-
 struct virtio_gpu_queue {
 	struct virtqueue *vq;
 	spinlock_t qlock;
@@ -179,8 +174,6 @@ struct virtio_gpu_device {
 
 	struct virtio_device *vdev;
 
-	struct virtio_gpu_mman mman;
-
 	struct virtio_gpu_output outputs[VIRTIO_GPU_MAX_SCANOUTS];
 	uint32_t num_scanouts;
 
@@ -205,6 +198,10 @@ struct virtio_gpu_device {
 
 	struct work_struct config_changed_work;
 
+	struct work_struct obj_free_work;
+	spinlock_t obj_free_lock;
+	struct list_head obj_free_list;
+
 	struct virtio_gpu_drv_capset *capsets;
 	uint32_t num_capsets;
 	struct list_head cap_cache;
@@ -217,9 +214,6 @@ struct virtio_gpu_fpriv {
 /* virtio_ioctl.c */
 #define DRM_VIRTIO_NUM_IOCTLS 10
 extern struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS];
-int virtio_gpu_object_list_validate(struct ww_acquire_ctx *ticket,
-				    struct list_head *head);
-void virtio_gpu_unref_list(struct list_head *head);
 
 /* virtio_kms.c */
 int virtio_gpu_init(struct drm_device *dev);
@@ -240,10 +234,6 @@ 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,
-			struct virtio_gpu_object_params *params,
-			struct virtio_gpu_fence *fence);
 int virtio_gpu_mode_dumb_create(struct drm_file *file_priv,
 				struct drm_device *dev,
 				struct drm_mode_create_dumb *args);
@@ -251,20 +241,35 @@ int virtio_gpu_mode_dumb_mmap(struct drm_file *file_priv,
 			      struct drm_device *dev,
 			      uint32_t handle, uint64_t *offset_p);
 
+struct virtio_gpu_object_array *virtio_gpu_array_alloc(u32 nents);
+struct virtio_gpu_object_array*
+virtio_gpu_array_from_handles(struct drm_file *drm_file, u32 *handles, u32 nents);
+void virtio_gpu_array_add_obj(struct virtio_gpu_object_array *objs,
+			      struct drm_gem_object *obj);
+int virtio_gpu_array_lock_resv(struct virtio_gpu_object_array *objs);
+void virtio_gpu_array_unlock_resv(struct virtio_gpu_object_array *objs);
+void virtio_gpu_array_add_fence(struct virtio_gpu_object_array *objs,
+				struct dma_fence *fence);
+void virtio_gpu_array_put_free(struct virtio_gpu_object_array *objs);
+void virtio_gpu_array_put_free_delayed(struct virtio_gpu_device *vgdev,
+				       struct virtio_gpu_object_array *objs);
+void virtio_gpu_array_put_free_work(struct work_struct *work);
+
 /* virtio vg */
 int virtio_gpu_alloc_vbufs(struct virtio_gpu_device *vgdev);
 void virtio_gpu_free_vbufs(struct virtio_gpu_device *vgdev);
 void virtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev,
 				    struct virtio_gpu_object *bo,
 				    struct virtio_gpu_object_params *params,
+				    struct virtio_gpu_object_array *objs,
 				    struct virtio_gpu_fence *fence);
 void virtio_gpu_cmd_unref_resource(struct virtio_gpu_device *vgdev,
 				   uint32_t resource_id);
 void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev,
-					struct virtio_gpu_object *bo,
 					uint64_t offset,
-					__le32 width, __le32 height,
-					__le32 x, __le32 y,
+					uint32_t width, uint32_t height,
+					uint32_t x, uint32_t y,
+					struct virtio_gpu_object_array *objs,
 					struct virtio_gpu_fence *fence);
 void virtio_gpu_cmd_resource_flush(struct virtio_gpu_device *vgdev,
 				   uint32_t resource_id,
@@ -295,28 +300,32 @@ 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, struct virtio_gpu_fence *fence);
+			   uint32_t ctx_id,
+			   struct virtio_gpu_object_array *objs,
+			   struct virtio_gpu_fence *fence);
 void virtio_gpu_cmd_transfer_from_host_3d(struct virtio_gpu_device *vgdev,
-					  uint32_t resource_id, uint32_t ctx_id,
+					  uint32_t ctx_id,
 					  uint64_t offset, uint32_t level,
 					  struct virtio_gpu_box *box,
+					  struct virtio_gpu_object_array *objs,
 					  struct virtio_gpu_fence *fence);
 void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev,
-					struct virtio_gpu_object *bo,
 					uint32_t ctx_id,
 					uint64_t offset, uint32_t level,
 					struct virtio_gpu_box *box,
+					struct virtio_gpu_object_array *objs,
 					struct virtio_gpu_fence *fence);
 void
 virtio_gpu_cmd_resource_create_3d(struct virtio_gpu_device *vgdev,
 				  struct virtio_gpu_object *bo,
 				  struct virtio_gpu_object_params *params,
+				  struct virtio_gpu_object_array *objs,
 				  struct virtio_gpu_fence *fence);
 void virtio_gpu_ctrl_ack(struct virtqueue *vq);
 void virtio_gpu_cursor_ack(struct virtqueue *vq);
@@ -339,11 +348,6 @@ struct drm_plane *virtio_gpu_plane_init(struct virtio_gpu_device *vgdev,
 					enum drm_plane_type type,
 					int index);
 
-/* virtio_gpu_ttm.c */
-int virtio_gpu_ttm_init(struct virtio_gpu_device *vgdev);
-void virtio_gpu_ttm_fini(struct virtio_gpu_device *vgdev);
-int virtio_gpu_mmap(struct file *filp, struct vm_area_struct *vma);
-
 /* virtio_gpu_fence.c */
 bool virtio_fence_signaled(struct dma_fence *f);
 struct virtio_gpu_fence *virtio_gpu_fence_alloc(
@@ -355,70 +359,21 @@ void virtio_gpu_fence_event_process(struct virtio_gpu_device *vdev,
 				    u64 last_seq);
 
 /* virtio_gpu_object */
+struct drm_gem_object *virtio_gpu_create_object(struct drm_device *dev,
+						size_t size);
 int virtio_gpu_object_create(struct virtio_gpu_device *vgdev,
 			     struct virtio_gpu_object_params *params,
 			     struct virtio_gpu_object **bo_ptr,
 			     struct virtio_gpu_fence *fence);
-void virtio_gpu_object_kunmap(struct virtio_gpu_object *bo);
-int virtio_gpu_object_kmap(struct virtio_gpu_object *bo);
-int virtio_gpu_object_get_sg_table(struct virtio_gpu_device *qdev,
-				   struct virtio_gpu_object *bo);
-void virtio_gpu_object_free_sg_table(struct virtio_gpu_object *bo);
-int virtio_gpu_object_wait(struct virtio_gpu_object *bo, bool no_wait);
 
 /* virtgpu_prime.c */
-struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj);
 struct drm_gem_object *virtgpu_gem_prime_import_sg_table(
 	struct drm_device *dev, struct dma_buf_attachment *attach,
 	struct sg_table *sgt);
-void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj);
-void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
-int virtgpu_gem_prime_mmap(struct drm_gem_object *obj,
-			   struct vm_area_struct *vma);
-
-static inline struct virtio_gpu_object*
-virtio_gpu_object_ref(struct virtio_gpu_object *bo)
-{
-	ttm_bo_get(&bo->tbo);
-	return bo;
-}
-
-static inline void virtio_gpu_object_unref(struct virtio_gpu_object **bo)
-{
-	struct ttm_buffer_object *tbo;
-
-	if ((*bo) == NULL)
-		return;
-	tbo = &((*bo)->tbo);
-	ttm_bo_put(tbo);
-	*bo = NULL;
-}
 
 static inline u64 virtio_gpu_object_mmap_offset(struct virtio_gpu_object *bo)
 {
-	return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
-}
-
-static inline int virtio_gpu_object_reserve(struct virtio_gpu_object *bo,
-					 bool no_wait)
-{
-	int r;
-
-	r = ttm_bo_reserve(&bo->tbo, true, no_wait, NULL);
-	if (unlikely(r != 0)) {
-		if (r != -ERESTARTSYS) {
-			struct virtio_gpu_device *qdev =
-				bo->gem_base.dev->dev_private;
-			dev_err(qdev->dev, "%p reserve failed\n", bo);
-		}
-		return r;
-	}
-	return 0;
-}
-
-static inline void virtio_gpu_object_unreserve(struct virtio_gpu_object *bo)
-{
-	ttm_bo_unreserve(&bo->tbo);
+	return drm_vma_node_offset_addr(&bo->base.base.vma_node);
 }
 
 /* virgl debufs */