1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c
index 0379d6897659..8f8fed471e34 100644
--- a/drivers/gpu/drm/virtio/virtgpu_display.c
+++ b/drivers/gpu/drm/virtio/virtgpu_display.c
@@ -307,6 +307,10 @@ virtio_gpu_user_framebuffer_create(struct drm_device *dev,
         struct virtio_gpu_framebuffer *virtio_gpu_fb;
         int ret;
 
+        if (mode_cmd->pixel_format != DRM_FORMAT_HOST_XRGB8888 &&
+            mode_cmd->pixel_format != DRM_FORMAT_HOST_ARGB8888)
+                return ERR_PTR(-ENOENT);
+
         /* lookup object associated with res handle */
         obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
         if (!obj)
@@ -355,6 +359,7 @@ int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev)
         int i;
 
         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;
         vgdev->ddev->mode_config.helper_private = &virtio_mode_config_helpers;