diff options
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_kms.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_vq.c | 2 |
3 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index e5a2c09..ff8de3d 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -171,6 +171,7 @@ struct virtio_gpu_device { wait_queue_head_t resp_wq; /* current display info */ spinlock_t display_info_lock; + bool display_info_pending; struct virtio_gpu_fence_driver fence_drv; diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c index 132405f..782766c 100644 --- a/drivers/gpu/drm/virtio/virtgpu_kms.c +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c @@ -137,9 +137,11 @@ int virtio_gpu_driver_load(struct drm_device *dev, unsigned long flags) virtio_device_ready(vgdev->vdev); vgdev->vqs_ready = true; + virtio_gpu_cmd_get_display_info(vgdev); + wait_event_timeout(vgdev->resp_wq, !vgdev->display_info_pending, + 5 * HZ); if (virtio_gpu_fbdev) virtio_gpu_fbdev_init(vgdev); - virtio_gpu_cmd_get_display_info(vgdev); return 0; diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index 8fa6513e..c506792 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -534,6 +534,7 @@ static void virtio_gpu_cmd_get_display_info_cb(struct virtio_gpu_device *vgdev, } } + vgdev->display_info_pending = false; spin_unlock(&vgdev->display_info_lock); wake_up(&vgdev->resp_wq); @@ -558,6 +559,7 @@ int virtio_gpu_cmd_get_display_info(struct virtio_gpu_device *vgdev) resp_buf); memset(cmd_p, 0, sizeof(*cmd_p)); + vgdev->display_info_pending = true; cmd_p->type = cpu_to_le32(VIRTIO_GPU_CMD_GET_DISPLAY_INFO); virtio_gpu_queue_ctrl_buffer(vgdev, vbuf); return 0; |
