The plan is to use this array with VRAM objects too.

Signed-off-by: Gurchetan Singh <gurchetansi...@chromium.org>
---
 drivers/gpu/drm/virtio/virtgpu_drv.h    |  36 ++++----
 drivers/gpu/drm/virtio/virtgpu_gem.c    | 116 ++++++++++++------------
 drivers/gpu/drm/virtio/virtgpu_ioctl.c  |  32 +++----
 drivers/gpu/drm/virtio/virtgpu_object.c |  20 ++--
 drivers/gpu/drm/virtio/virtgpu_plane.c  |  22 ++---
 drivers/gpu/drm/virtio/virtgpu_vq.c     |  62 +++++++------
 6 files changed, 145 insertions(+), 143 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h 
b/drivers/gpu/drm/virtio/virtgpu_drv.h
index 0e99487f2105..a1888a20d311 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -79,7 +79,7 @@ struct virtio_gpu_object {
 #define gem_to_virtio_gpu_obj(gobj) \
        container_of((gobj), struct virtio_gpu_object, base.base)
 
-struct virtio_gpu_object_array {
+struct virtio_gpu_gem_array {
        struct ww_acquire_ctx ticket;
        struct list_head next;
        u32 nents, total;
@@ -118,7 +118,7 @@ struct virtio_gpu_vbuffer {
        virtio_gpu_resp_cb resp_cb;
        void *resp_cb_data;
 
-       struct virtio_gpu_object_array *objs;
+       struct virtio_gpu_gem_array *array;
        struct list_head list;
 };
 
@@ -244,18 +244,18 @@ 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*
+struct virtio_gpu_gem_array *virtio_gpu_array_alloc(u32 nents);
+struct virtio_gpu_gem_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,
+void virtio_gpu_array_add_obj(struct virtio_gpu_gem_array *array,
                              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,
+int virtio_gpu_array_lock_resv(struct virtio_gpu_gem_array *array);
+void virtio_gpu_array_unlock_resv(struct virtio_gpu_gem_array *array);
+void virtio_gpu_array_add_fence(struct virtio_gpu_gem_array *array,
                                struct dma_fence *fence);
-void virtio_gpu_array_put_free(struct virtio_gpu_object_array *objs);
+void virtio_gpu_array_put_free(struct virtio_gpu_gem_array *array);
 void virtio_gpu_array_put_free_delayed(struct virtio_gpu_device *vgdev,
-                                      struct virtio_gpu_object_array *objs);
+                                      struct virtio_gpu_gem_array *array);
 void virtio_gpu_array_put_free_work(struct work_struct *work);
 
 /* virtio vg */
@@ -264,7 +264,7 @@ 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_gem_array *array,
                                    struct virtio_gpu_fence *fence);
 void virtio_gpu_cmd_unref_resource(struct virtio_gpu_device *vgdev,
                                   struct drm_gem_object *obj);
@@ -272,7 +272,7 @@ void virtio_gpu_cmd_transfer_to_host_2d(struct 
virtio_gpu_device *vgdev,
                                        uint64_t offset,
                                        uint32_t width, uint32_t height,
                                        uint32_t x, uint32_t y,
-                                       struct virtio_gpu_object_array *objs,
+                                       struct virtio_gpu_gem_array *array,
                                        struct virtio_gpu_fence *fence);
 void virtio_gpu_cmd_resource_flush(struct virtio_gpu_device *vgdev,
                                   uint32_t resource_id,
@@ -302,32 +302,32 @@ 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,
-                                           struct virtio_gpu_object_array 
*objs);
+                                           struct virtio_gpu_gem_array *array);
 void virtio_gpu_cmd_context_detach_resource(struct virtio_gpu_device *vgdev,
                                            uint32_t ctx_id,
-                                           struct virtio_gpu_object_array 
*objs);
+                                           struct virtio_gpu_gem_array *array);
 void virtio_gpu_cmd_submit(struct virtio_gpu_device *vgdev,
                           void *data, uint32_t data_size,
                           uint32_t ctx_id,
-                          struct virtio_gpu_object_array *objs,
+                          struct virtio_gpu_gem_array *array,
                           struct virtio_gpu_fence *fence);
 void virtio_gpu_cmd_transfer_from_host_3d(struct virtio_gpu_device *vgdev,
                                          uint32_t ctx_id,
                                          uint64_t offset, uint32_t level,
                                          struct drm_virtgpu_3d_box *box,
-                                         struct virtio_gpu_object_array *objs,
+                                         struct virtio_gpu_gem_array *array,
                                          struct virtio_gpu_fence *fence);
 void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev,
                                        uint32_t ctx_id,
                                        uint64_t offset, uint32_t level,
                                        struct drm_virtgpu_3d_box *box,
-                                       struct virtio_gpu_object_array *objs,
+                                       struct virtio_gpu_gem_array *array,
                                        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_gem_array *array,
                                  struct virtio_gpu_fence *fence);
 void virtio_gpu_ctrl_ack(struct virtqueue *vq);
 void virtio_gpu_cursor_ack(struct virtqueue *vq);
diff --git a/drivers/gpu/drm/virtio/virtgpu_gem.c 
b/drivers/gpu/drm/virtio/virtgpu_gem.c
index 0d6152c99a27..53181fe2afe0 100644
--- a/drivers/gpu/drm/virtio/virtgpu_gem.c
+++ b/drivers/gpu/drm/virtio/virtgpu_gem.c
@@ -111,18 +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_array *objs;
+       struct virtio_gpu_gem_array *array;
 
        if (!vgdev->has_virgl_3d)
                return 0;
 
-       objs = virtio_gpu_array_alloc(1);
-       if (!objs)
+       array = virtio_gpu_array_alloc(1);
+       if (!array)
                return -ENOMEM;
-       virtio_gpu_array_add_obj(objs, obj);
+       virtio_gpu_array_add_obj(array, obj);
 
        virtio_gpu_cmd_context_attach_resource(vgdev, vfpriv->ctx_id,
-                                              objs);
+                                              array);
        virtio_gpu_notify(vgdev);
        return 0;
 }
@@ -132,119 +132,119 @@ 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_array *objs;
+       struct virtio_gpu_gem_array *array;
 
        if (!vgdev->has_virgl_3d)
                return;
 
-       objs = virtio_gpu_array_alloc(1);
-       if (!objs)
+       array = virtio_gpu_array_alloc(1);
+       if (!array)
                return;
-       virtio_gpu_array_add_obj(objs, obj);
+       virtio_gpu_array_add_obj(array, obj);
 
        virtio_gpu_cmd_context_detach_resource(vgdev, vfpriv->ctx_id,
-                                              objs);
+                                              array);
        virtio_gpu_notify(vgdev);
 }
 
-struct virtio_gpu_object_array *virtio_gpu_array_alloc(u32 nents)
+struct virtio_gpu_gem_array *virtio_gpu_array_alloc(u32 nents)
 {
-       struct virtio_gpu_object_array *objs;
-       size_t size = sizeof(*objs) + sizeof(objs->objs[0]) * nents;
+       struct virtio_gpu_gem_array *array;
+       size_t size = sizeof(*array) + sizeof(array->objs[0]) * nents;
 
-       objs = kmalloc(size, GFP_KERNEL);
-       if (!objs)
+       array = kmalloc(size, GFP_KERNEL);
+       if (!array)
                return NULL;
 
-       objs->nents = 0;
-       objs->total = nents;
-       return objs;
+       array->nents = 0;
+       array->total = nents;
+       return array;
 }
 
-static void virtio_gpu_array_free(struct virtio_gpu_object_array *objs)
+static void virtio_gpu_array_free(struct virtio_gpu_gem_array *array)
 {
-       kfree(objs);
+       kfree(array);
 }
 
-struct virtio_gpu_object_array*
+struct virtio_gpu_gem_array*
 virtio_gpu_array_from_handles(struct drm_file *drm_file, u32 *handles, u32 
nents)
 {
-       struct virtio_gpu_object_array *objs;
+       struct virtio_gpu_gem_array *array;
        u32 i;
 
-       objs = virtio_gpu_array_alloc(nents);
-       if (!objs)
+       array = virtio_gpu_array_alloc(nents);
+       if (!array)
                return NULL;
 
        for (i = 0; i < nents; i++) {
-               objs->objs[i] = drm_gem_object_lookup(drm_file, handles[i]);
-               if (!objs->objs[i]) {
-                       objs->nents = i;
-                       virtio_gpu_array_put_free(objs);
+               array->objs[i] = drm_gem_object_lookup(drm_file, handles[i]);
+               if (!array->objs[i]) {
+                       array->nents = i;
+                       virtio_gpu_array_put_free(array);
                        return NULL;
                }
        }
-       objs->nents = i;
-       return objs;
+       array->nents = i;
+       return array;
 }
 
-void virtio_gpu_array_add_obj(struct virtio_gpu_object_array *objs,
+void virtio_gpu_array_add_obj(struct virtio_gpu_gem_array *array,
                              struct drm_gem_object *obj)
 {
-       if (WARN_ON_ONCE(objs->nents == objs->total))
+       if (WARN_ON_ONCE(array->nents == array->total))
                return;
 
        drm_gem_object_get(obj);
-       objs->objs[objs->nents] = obj;
-       objs->nents++;
+       array->objs[array->nents] = obj;
+       array->nents++;
 }
 
-int virtio_gpu_array_lock_resv(struct virtio_gpu_object_array *objs)
+int virtio_gpu_array_lock_resv(struct virtio_gpu_gem_array *array)
 {
        int ret;
 
-       if (objs->nents == 1) {
-               ret = dma_resv_lock_interruptible(objs->objs[0]->resv, NULL);
+       if (array->nents == 1) {
+               ret = dma_resv_lock_interruptible(array->objs[0]->resv, NULL);
        } else {
-               ret = drm_gem_lock_reservations(objs->objs, objs->nents,
-                                               &objs->ticket);
+               ret = drm_gem_lock_reservations(array->objs, array->nents,
+                                               &array->ticket);
        }
        return ret;
 }
 
-void virtio_gpu_array_unlock_resv(struct virtio_gpu_object_array *objs)
+void virtio_gpu_array_unlock_resv(struct virtio_gpu_gem_array *array)
 {
-       if (objs->nents == 1) {
-               dma_resv_unlock(objs->objs[0]->resv);
+       if (array->nents == 1) {
+               dma_resv_unlock(array->objs[0]->resv);
        } else {
-               drm_gem_unlock_reservations(objs->objs, objs->nents,
-                                           &objs->ticket);
+               drm_gem_unlock_reservations(array->objs, array->nents,
+                                           &array->ticket);
        }
 }
 
-void virtio_gpu_array_add_fence(struct virtio_gpu_object_array *objs,
+void virtio_gpu_array_add_fence(struct virtio_gpu_gem_array *array,
                                struct dma_fence *fence)
 {
        int i;
 
-       for (i = 0; i < objs->nents; i++)
-               dma_resv_add_excl_fence(objs->objs[i]->resv, fence);
+       for (i = 0; i < array->nents; i++)
+               dma_resv_add_excl_fence(array->objs[i]->resv, fence);
 }
 
-void virtio_gpu_array_put_free(struct virtio_gpu_object_array *objs)
+void virtio_gpu_array_put_free(struct virtio_gpu_gem_array *array)
 {
        u32 i;
 
-       for (i = 0; i < objs->nents; i++)
-               drm_gem_object_put_unlocked(objs->objs[i]);
-       virtio_gpu_array_free(objs);
+       for (i = 0; i < array->nents; i++)
+               drm_gem_object_put_unlocked(array->objs[i]);
+       virtio_gpu_array_free(array);
 }
 
 void virtio_gpu_array_put_free_delayed(struct virtio_gpu_device *vgdev,
-                                      struct virtio_gpu_object_array *objs)
+                                      struct virtio_gpu_gem_array *array)
 {
        spin_lock(&vgdev->obj_free_lock);
-       list_add_tail(&objs->next, &vgdev->obj_free_list);
+       list_add_tail(&array->next, &vgdev->obj_free_list);
        spin_unlock(&vgdev->obj_free_lock);
        schedule_work(&vgdev->obj_free_work);
 }
@@ -253,15 +253,15 @@ void virtio_gpu_array_put_free_work(struct work_struct 
*work)
 {
        struct virtio_gpu_device *vgdev =
                container_of(work, struct virtio_gpu_device, obj_free_work);
-       struct virtio_gpu_object_array *objs;
+       struct virtio_gpu_gem_array *array;
 
        spin_lock(&vgdev->obj_free_lock);
        while (!list_empty(&vgdev->obj_free_list)) {
-               objs = list_first_entry(&vgdev->obj_free_list,
-                                       struct virtio_gpu_object_array, next);
-               list_del(&objs->next);
+               array = list_first_entry(&vgdev->obj_free_list,
+                                       struct virtio_gpu_gem_array, next);
+               list_del(&array->next);
                spin_unlock(&vgdev->obj_free_lock);
-               virtio_gpu_array_put_free(objs);
+               virtio_gpu_array_put_free(array);
                spin_lock(&vgdev->obj_free_lock);
        }
        spin_unlock(&vgdev->obj_free_lock);
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c 
b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index 336cc9143205..9a5bb000ccf2 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -81,7 +81,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device 
*dev, void *data,
        int ret;
        uint32_t *bo_handles = NULL;
        void __user *user_bo_handles = NULL;
-       struct virtio_gpu_object_array *buflist = NULL;
+       struct virtio_gpu_gem_array *buflist = NULL;
        struct sync_file *sync_file;
        int in_fence_fd = exbuf->fence_fd;
        int out_fence_fd = -1;
@@ -312,7 +312,7 @@ static int virtio_gpu_transfer_from_host_ioctl(struct 
drm_device *dev,
        struct virtio_gpu_device *vgdev = dev->dev_private;
        struct virtio_gpu_fpriv *vfpriv = file->driver_priv;
        struct drm_virtgpu_3d_transfer_from_host *args = data;
-       struct virtio_gpu_object_array *objs;
+       struct virtio_gpu_gem_array *array;
        struct virtio_gpu_fence *fence;
        int ret;
        u32 offset = args->offset;
@@ -321,11 +321,11 @@ static int virtio_gpu_transfer_from_host_ioctl(struct 
drm_device *dev,
                return -ENOSYS;
 
        virtio_gpu_create_context(dev, file);
-       objs = virtio_gpu_array_from_handles(file, &args->bo_handle, 1);
-       if (objs == NULL)
+       array = virtio_gpu_array_from_handles(file, &args->bo_handle, 1);
+       if (array == NULL)
                return -ENOENT;
 
-       ret = virtio_gpu_array_lock_resv(objs);
+       ret = virtio_gpu_array_lock_resv(array);
        if (ret != 0)
                goto err_put_free;
 
@@ -336,15 +336,15 @@ static int virtio_gpu_transfer_from_host_ioctl(struct 
drm_device *dev,
        }
        virtio_gpu_cmd_transfer_from_host_3d
                (vgdev, vfpriv->ctx_id, offset, args->level,
-                &args->box, objs, fence);
+                &args->box, array, fence);
        dma_fence_put(&fence->f);
        virtio_gpu_notify(vgdev);
        return 0;
 
 err_unlock:
-       virtio_gpu_array_unlock_resv(objs);
+       virtio_gpu_array_unlock_resv(array);
 err_put_free:
-       virtio_gpu_array_put_free(objs);
+       virtio_gpu_array_put_free(array);
        return ret;
 }
 
@@ -354,23 +354,23 @@ static int virtio_gpu_transfer_to_host_ioctl(struct 
drm_device *dev, void *data,
        struct virtio_gpu_device *vgdev = dev->dev_private;
        struct virtio_gpu_fpriv *vfpriv = file->driver_priv;
        struct drm_virtgpu_3d_transfer_to_host *args = data;
-       struct virtio_gpu_object_array *objs;
+       struct virtio_gpu_gem_array *array;
        struct virtio_gpu_fence *fence;
        int ret;
        u32 offset = args->offset;
 
-       objs = virtio_gpu_array_from_handles(file, &args->bo_handle, 1);
-       if (objs == NULL)
+       array = virtio_gpu_array_from_handles(file, &args->bo_handle, 1);
+       if (array == NULL)
                return -ENOENT;
 
        if (!vgdev->has_virgl_3d) {
                virtio_gpu_cmd_transfer_to_host_2d
                        (vgdev, offset,
                         args->box.w, args->box.h, args->box.x, args->box.y,
-                        objs, NULL);
+                        array, NULL);
        } else {
                virtio_gpu_create_context(dev, file);
-               ret = virtio_gpu_array_lock_resv(objs);
+               ret = virtio_gpu_array_lock_resv(array);
                if (ret != 0)
                        goto err_put_free;
 
@@ -382,16 +382,16 @@ static int virtio_gpu_transfer_to_host_ioctl(struct 
drm_device *dev, void *data,
                virtio_gpu_cmd_transfer_to_host_3d
                        (vgdev,
                         vfpriv ? vfpriv->ctx_id : 0, offset,
-                        args->level, &args->box, objs, fence);
+                        args->level, &args->box, array, fence);
                dma_fence_put(&fence->f);
        }
        virtio_gpu_notify(vgdev);
        return 0;
 
 err_unlock:
-       virtio_gpu_array_unlock_resv(objs);
+       virtio_gpu_array_unlock_resv(array);
 err_put_free:
-       virtio_gpu_array_put_free(objs);
+       virtio_gpu_array_put_free(array);
        return ret;
 }
 
diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c 
b/drivers/gpu/drm/virtio/virtgpu_object.c
index 84df573e13de..bc8b5a59f364 100644
--- a/drivers/gpu/drm/virtio/virtgpu_object.c
+++ b/drivers/gpu/drm/virtio/virtgpu_object.c
@@ -190,7 +190,7 @@ int virtio_gpu_object_create(struct virtio_gpu_device 
*vgdev,
                             struct virtio_gpu_object **bo_ptr,
                             struct virtio_gpu_fence *fence)
 {
-       struct virtio_gpu_object_array *objs = NULL;
+       struct virtio_gpu_gem_array *array = NULL;
        struct drm_gem_shmem_object *shmem_obj;
        struct virtio_gpu_object *bo;
        struct virtio_gpu_mem_entry *ents;
@@ -213,22 +213,22 @@ int virtio_gpu_object_create(struct virtio_gpu_device 
*vgdev,
 
        if (fence) {
                ret = -ENOMEM;
-               objs = virtio_gpu_array_alloc(1);
-               if (!objs)
+               array = virtio_gpu_array_alloc(1);
+               if (!array)
                        goto err_put_id;
-               virtio_gpu_array_add_obj(objs, &bo->base.base);
+               virtio_gpu_array_add_obj(array, &bo->base.base);
 
-               ret = virtio_gpu_array_lock_resv(objs);
+               ret = virtio_gpu_array_lock_resv(array);
                if (ret != 0)
-                       goto err_put_objs;
+                       goto err_put_array;
        }
 
        if (params->virgl) {
                virtio_gpu_cmd_resource_create_3d(vgdev, bo, params,
-                                                 objs, fence);
+                                                 array, fence);
        } else {
                virtio_gpu_cmd_create_resource(vgdev, bo, params,
-                                              objs, fence);
+                                              array, fence);
        }
 
        ret = virtio_gpu_object_shmem_init(vgdev, bo, &ents, &nents);
@@ -247,8 +247,8 @@ int virtio_gpu_object_create(struct virtio_gpu_device 
*vgdev,
        *bo_ptr = bo;
        return 0;
 
-err_put_objs:
-       virtio_gpu_array_put_free(objs);
+err_put_array:
+       virtio_gpu_array_put_free(array);
 err_put_id:
        virtio_gpu_resource_id_put(vgdev, bo->hw_res_handle);
 err_free_gem:
diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c 
b/drivers/gpu/drm/virtio/virtgpu_plane.c
index 52d24179bcec..fcff5d7a4cee 100644
--- a/drivers/gpu/drm/virtio/virtgpu_plane.c
+++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
@@ -109,7 +109,7 @@ static void virtio_gpu_update_dumb_bo(struct 
virtio_gpu_device *vgdev,
 {
        struct virtio_gpu_object *bo =
                gem_to_virtio_gpu_obj(state->fb->obj[0]);
-       struct virtio_gpu_object_array *objs;
+       struct virtio_gpu_gem_array *array;
        uint32_t w = rect->x2 - rect->x1;
        uint32_t h = rect->y2 - rect->y1;
        uint32_t x = rect->x1;
@@ -117,13 +117,13 @@ static void virtio_gpu_update_dumb_bo(struct 
virtio_gpu_device *vgdev,
        uint32_t off = x * state->fb->format->cpp[0] +
                y * state->fb->pitches[0];
 
-       objs = virtio_gpu_array_alloc(1);
-       if (!objs)
+       array = virtio_gpu_array_alloc(1);
+       if (!array)
                return;
-       virtio_gpu_array_add_obj(objs, &bo->base.base);
+       virtio_gpu_array_add_obj(array, &bo->base.base);
 
        virtio_gpu_cmd_transfer_to_host_2d(vgdev, off, w, h, x, y,
-                                          objs, NULL);
+                                          array, NULL);
 }
 
 static void virtio_gpu_primary_plane_update(struct drm_plane *plane,
@@ -252,18 +252,18 @@ static void virtio_gpu_cursor_plane_update(struct 
drm_plane *plane,
 
        if (bo && bo->dumb && (plane->state->fb != old_state->fb)) {
                /* new cursor -- update & wait */
-               struct virtio_gpu_object_array *objs;
+               struct virtio_gpu_gem_array *array;
 
-               objs = virtio_gpu_array_alloc(1);
-               if (!objs)
+               array = virtio_gpu_array_alloc(1);
+               if (!array)
                        return;
-               virtio_gpu_array_add_obj(objs, vgfb->base.obj[0]);
-               virtio_gpu_array_lock_resv(objs);
+               virtio_gpu_array_add_obj(array, vgfb->base.obj[0]);
+               virtio_gpu_array_lock_resv(array);
                virtio_gpu_cmd_transfer_to_host_2d
                        (vgdev, 0,
                         plane->state->crtc_w,
                         plane->state->crtc_h,
-                        0, 0, objs, vgfb->fence);
+                        0, 0, array, vgfb->fence);
                virtio_gpu_notify(vgdev);
                dma_fence_wait(&vgfb->fence->f, true);
                dma_fence_put(&vgfb->fence->f);
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c 
b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 14e64c20eda4..961371566724 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -250,8 +250,8 @@ void virtio_gpu_dequeue_ctrl_func(struct work_struct *work)
                virtio_gpu_fence_event_process(vgdev, fence_id);
 
        list_for_each_entry_safe(entry, tmp, &reclaim_list, list) {
-               if (entry->objs)
-                       virtio_gpu_array_put_free_delayed(vgdev, entry->objs);
+               if (entry->array)
+                       virtio_gpu_array_put_free_delayed(vgdev, entry->array);
                list_del(&entry->list);
                free_vbuf(vgdev, entry);
        }
@@ -332,8 +332,8 @@ static void virtio_gpu_queue_ctrl_sgs(struct 
virtio_gpu_device *vgdev,
        int ret, idx;
 
        if (!drm_dev_enter(vgdev->ddev, &idx)) {
-               if (fence && vbuf->objs)
-                       virtio_gpu_array_unlock_resv(vbuf->objs);
+               if (fence && vbuf->array)
+                       virtio_gpu_array_unlock_resv(vbuf->array);
                free_vbuf(vgdev, vbuf);
                return;
        }
@@ -357,9 +357,9 @@ static void virtio_gpu_queue_ctrl_sgs(struct 
virtio_gpu_device *vgdev,
        if (fence) {
                virtio_gpu_fence_emit(vgdev, virtio_gpu_vbuf_ctrl_hdr(vbuf),
                                      fence);
-               if (vbuf->objs) {
-                       virtio_gpu_array_add_fence(vbuf->objs, &fence->f);
-                       virtio_gpu_array_unlock_resv(vbuf->objs);
+               if (vbuf->array) {
+                       virtio_gpu_array_add_fence(vbuf->array, &fence->f);
+                       virtio_gpu_array_unlock_resv(vbuf->array);
                }
        }
 
@@ -381,6 +381,7 @@ static void virtio_gpu_queue_fenced_ctrl_buffer(struct 
virtio_gpu_device *vgdev,
 {
        struct scatterlist *sgs[3], vcmd, vout, vresp;
        struct sg_table *sgt = NULL;
+       struct virtio_gpu_gem_array *array = NULL;
        int elemcnt = 0, outcnt = 0, incnt = 0;
 
        /* set up vcmd */
@@ -396,8 +397,9 @@ static void virtio_gpu_queue_fenced_ctrl_buffer(struct 
virtio_gpu_device *vgdev,
                        sgt = vmalloc_to_sgt(vbuf->data_buf, vbuf->data_size,
                                             &sg_ents);
                        if (!sgt) {
-                               if (fence && vbuf->objs)
-                                       
virtio_gpu_array_unlock_resv(vbuf->objs);
+                               array = vbuf->array;
+                               if (fence && array)
+                                       virtio_gpu_array_unlock_resv(array);
                                return;
                        }
 
@@ -498,7 +500,7 @@ static void virtio_gpu_queue_cursor(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_gem_array *array,
                                    struct virtio_gpu_fence *fence)
 {
        struct virtio_gpu_resource_create_2d *cmd_p;
@@ -506,7 +508,7 @@ void virtio_gpu_cmd_create_resource(struct 
virtio_gpu_device *vgdev,
 
        cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p));
        memset(cmd_p, 0, sizeof(*cmd_p));
-       vbuf->objs = objs;
+       vbuf->array = array;
 
        cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_RESOURCE_CREATE_2D);
        cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle);
@@ -598,10 +600,10 @@ void virtio_gpu_cmd_transfer_to_host_2d(struct 
virtio_gpu_device *vgdev,
                                        uint64_t offset,
                                        uint32_t width, uint32_t height,
                                        uint32_t x, uint32_t y,
-                                       struct virtio_gpu_object_array *objs,
+                                       struct virtio_gpu_gem_array *array,
                                        struct virtio_gpu_fence *fence)
 {
-       struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(objs->objs[0]);
+       struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(array->objs[0]);
        struct virtio_gpu_transfer_to_host_2d *cmd_p;
        struct virtio_gpu_vbuffer *vbuf;
        bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev);
@@ -613,7 +615,7 @@ void virtio_gpu_cmd_transfer_to_host_2d(struct 
virtio_gpu_device *vgdev,
 
        cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p));
        memset(cmd_p, 0, sizeof(*cmd_p));
-       vbuf->objs = objs;
+       vbuf->array = array;
 
        cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D);
        cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle);
@@ -942,15 +944,15 @@ 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,
-                                           struct virtio_gpu_object_array 
*objs)
+                                           struct virtio_gpu_gem_array *array)
 {
-       uint32_t handle = virtio_gpu_get_handle(objs->objs[0]);
+       uint32_t handle = virtio_gpu_get_handle(array->objs[0]);
        struct virtio_gpu_ctx_resource *cmd_p;
        struct virtio_gpu_vbuffer *vbuf;
 
        cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p));
        memset(cmd_p, 0, sizeof(*cmd_p));
-       vbuf->objs = objs;
+       vbuf->array = array;
 
        cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_CTX_ATTACH_RESOURCE);
        cmd_p->hdr.ctx_id = cpu_to_le32(ctx_id);
@@ -960,15 +962,15 @@ void virtio_gpu_cmd_context_attach_resource(struct 
virtio_gpu_device *vgdev,
 
 void virtio_gpu_cmd_context_detach_resource(struct virtio_gpu_device *vgdev,
                                            uint32_t ctx_id,
-                                           struct virtio_gpu_object_array 
*objs)
+                                           struct virtio_gpu_gem_array *array)
 {
-       uint32_t handle = virtio_gpu_get_handle(objs->objs[0]);
+       uint32_t handle = virtio_gpu_get_handle(array->objs[0]);
        struct virtio_gpu_ctx_resource *cmd_p;
        struct virtio_gpu_vbuffer *vbuf;
 
        cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p));
        memset(cmd_p, 0, sizeof(*cmd_p));
-       vbuf->objs = objs;
+       vbuf->array = array;
 
        cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_CTX_DETACH_RESOURCE);
        cmd_p->hdr.ctx_id = cpu_to_le32(ctx_id);
@@ -980,7 +982,7 @@ 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_gem_array *array,
                                  struct virtio_gpu_fence *fence)
 {
        struct virtio_gpu_resource_create_3d *cmd_p;
@@ -988,7 +990,7 @@ virtio_gpu_cmd_resource_create_3d(struct virtio_gpu_device 
*vgdev,
 
        cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p));
        memset(cmd_p, 0, sizeof(*cmd_p));
-       vbuf->objs = objs;
+       vbuf->array = array;
 
        cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_RESOURCE_CREATE_3D);
        cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle);
@@ -1013,10 +1015,10 @@ void virtio_gpu_cmd_transfer_to_host_3d(struct 
virtio_gpu_device *vgdev,
                                        uint32_t ctx_id,
                                        uint64_t offset, uint32_t level,
                                        struct drm_virtgpu_3d_box *box,
-                                       struct virtio_gpu_object_array *objs,
+                                       struct virtio_gpu_gem_array *array,
                                        struct virtio_gpu_fence *fence)
 {
-       struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(objs->objs[0]);
+       struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(array->objs[0]);
        struct virtio_gpu_transfer_host_3d *cmd_p;
        struct virtio_gpu_vbuffer *vbuf;
        bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev);
@@ -1029,7 +1031,7 @@ void virtio_gpu_cmd_transfer_to_host_3d(struct 
virtio_gpu_device *vgdev,
        cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p));
        memset(cmd_p, 0, sizeof(*cmd_p));
 
-       vbuf->objs = objs;
+       vbuf->array = array;
 
        cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_TRANSFER_TO_HOST_3D);
        cmd_p->hdr.ctx_id = cpu_to_le32(ctx_id);
@@ -1045,17 +1047,17 @@ void virtio_gpu_cmd_transfer_from_host_3d(struct 
virtio_gpu_device *vgdev,
                                          uint32_t ctx_id,
                                          uint64_t offset, uint32_t level,
                                          struct drm_virtgpu_3d_box *box,
-                                         struct virtio_gpu_object_array *objs,
+                                         struct virtio_gpu_gem_array *array,
                                          struct virtio_gpu_fence *fence)
 {
-       struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(objs->objs[0]);
+       struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(array->objs[0]);
        struct virtio_gpu_transfer_host_3d *cmd_p;
        struct virtio_gpu_vbuffer *vbuf;
 
        cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p));
        memset(cmd_p, 0, sizeof(*cmd_p));
 
-       vbuf->objs = objs;
+       vbuf->array = array;
 
        cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_TRANSFER_FROM_HOST_3D);
        cmd_p->hdr.ctx_id = cpu_to_le32(ctx_id);
@@ -1070,7 +1072,7 @@ void virtio_gpu_cmd_transfer_from_host_3d(struct 
virtio_gpu_device *vgdev,
 void virtio_gpu_cmd_submit(struct virtio_gpu_device *vgdev,
                           void *data, uint32_t data_size,
                           uint32_t ctx_id,
-                          struct virtio_gpu_object_array *objs,
+                          struct virtio_gpu_gem_array *array,
                           struct virtio_gpu_fence *fence)
 {
        struct virtio_gpu_cmd_submit *cmd_p;
@@ -1081,7 +1083,7 @@ void virtio_gpu_cmd_submit(struct virtio_gpu_device 
*vgdev,
 
        vbuf->data_buf = data;
        vbuf->data_size = data_size;
-       vbuf->objs = objs;
+       vbuf->array = array;
 
        cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_SUBMIT_3D);
        cmd_p->hdr.ctx_id = cpu_to_le32(ctx_id);
-- 
2.25.1.481.gfbce0eb801-goog

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