drm/virtio: convert to LE accessors

Virtgpu is modern-only. Use LE accessors for config space.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

drivers/gpu/drm/virtio/virtgpu_kms.c

@@ -39,7 +39,7 @@ static void virtio_gpu_config_changed_work_func(struct work_struct *work)
 	u32 events_read, events_clear = 0;
 
 	/* read the config space */
-	virtio_cread(vgdev->vdev, struct virtio_gpu_config,
+	virtio_cread_le(vgdev->vdev, struct virtio_gpu_config,
 			events_read, &events_read);
 	if (events_read & VIRTIO_GPU_EVENT_DISPLAY) {
 		if (vgdev->has_edid)
@@ -49,7 +49,7 @@ static void virtio_gpu_config_changed_work_func(struct work_struct *work)
 		drm_helper_hpd_irq_event(vgdev->ddev);
 		events_clear |= VIRTIO_GPU_EVENT_DISPLAY;
 	}
-	virtio_cwrite(vgdev->vdev, struct virtio_gpu_config,
+	virtio_cwrite_le(vgdev->vdev, struct virtio_gpu_config,
 			 events_clear, &events_clear);
 }
 
@@ -165,7 +165,7 @@ int virtio_gpu_init(struct drm_device *dev)
 	}
 
 	/* get display info */
-	virtio_cread(vgdev->vdev, struct virtio_gpu_config,
+	virtio_cread_le(vgdev->vdev, struct virtio_gpu_config,
 			num_scanouts, &num_scanouts);
 	vgdev->num_scanouts = min_t(uint32_t, num_scanouts,
 				    VIRTIO_GPU_MAX_SCANOUTS);
@@ -176,7 +176,7 @@ int virtio_gpu_init(struct drm_device *dev)
 	}
 	DRM_INFO("number of scanouts: %d\n", num_scanouts);
 
-	virtio_cread(vgdev->vdev, struct virtio_gpu_config,
+	virtio_cread_le(vgdev->vdev, struct virtio_gpu_config,
 			num_capsets, &num_capsets);
 	DRM_INFO("number of cap sets: %d\n", num_capsets);