[PATCH 1/3] drm/virtio: use drmm_mode_config_init

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Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
---
 drivers/gpu/drm/virtio/virtgpu_drv.h     |  2 +-
 drivers/gpu/drm/virtio/virtgpu_display.c | 11 +++++++----
 drivers/gpu/drm/virtio/virtgpu_kms.c     |  6 +++++-
 3 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
index a52b7a39f286..55c34b4fc3e9 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -352,7 +352,7 @@ virtio_gpu_cmd_resource_assign_uuid(struct virtio_gpu_device *vgdev,
 				    struct virtio_gpu_object_array *objs);
 
 /* virtgpu_display.c */
-void virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev);
+int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev);
 void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev);
 
 /* virtgpu_plane.c */
diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c
index effea07abe62..f84b7e61311b 100644
--- a/drivers/gpu/drm/virtio/virtgpu_display.c
+++ b/drivers/gpu/drm/virtio/virtgpu_display.c
@@ -325,11 +325,14 @@ static const struct drm_mode_config_funcs virtio_gpu_mode_funcs = {
 	.atomic_commit = drm_atomic_helper_commit,
 };
 
-void virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev)
+int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev)
 {
-	int i;
+	int i, ret;
+
+	ret = drmm_mode_config_init(vgdev->ddev);
+	if (ret)
+		return ret;
 
-	drm_mode_config_init(vgdev->ddev);
 	vgdev->ddev->mode_config.quirk_addfb_prefer_host_byte_order = true;
 	vgdev->ddev->mode_config.funcs = &virtio_gpu_mode_funcs;
 
@@ -343,6 +346,7 @@ void virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev)
 		vgdev_output_init(vgdev, i);
 
 	drm_mode_config_reset(vgdev->ddev);
+	return 0;
 }
 
 void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev)
@@ -351,5 +355,4 @@ void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev)
 
 	for (i = 0 ; i < vgdev->num_scanouts; ++i)
 		kfree(vgdev->outputs[i].edid);
-	drm_mode_config_cleanup(vgdev->ddev);
 }
diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c
index 75d0dc2f6d28..6ea74a99d8ad 100644
--- a/drivers/gpu/drm/virtio/virtgpu_kms.c
+++ b/drivers/gpu/drm/virtio/virtgpu_kms.c
@@ -184,7 +184,11 @@ int virtio_gpu_init(struct drm_device *dev)
 			num_capsets, &num_capsets);
 	DRM_INFO("number of cap sets: %d\n", num_capsets);
 
-	virtio_gpu_modeset_init(vgdev);
+	ret = virtio_gpu_modeset_init(vgdev);
+	if (ret) {
+		DRM_ERROR("modeset init failed\n");
+		goto err_scanouts;
+	}
 
 	virtio_device_ready(vgdev->vdev);
 
-- 
2.27.0

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