drm/virtio: add create_handle support.

Add create_handle support to virtio fb. Without this, screenshot tool
in chromium OS can't work.

Signed-off-by: Lepton Wu <ytht.net@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20171108184209.46211-1-ytht.net@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c
index 41b0930f79681a366f1a2f754d0e19a07d972cff..19114a3c5ee4f98b5f1bdc0ba014f3cfba8eac0d 100644 (file)
--- a/drivers/gpu/drm/virtio/virtgpu_display.c
+++ b/drivers/gpu/drm/virtio/virtgpu_display.c
@@ -71,7 +71,19 @@ virtio_gpu_framebuffer_surface_dirty(struct drm_framebuffer *fb,
        return virtio_gpu_surface_dirty(virtio_gpu_fb, clips, num_clips);
 }
 
+static int
+virtio_gpu_framebuffer_create_handle(struct drm_framebuffer *fb,
+                                    struct drm_file *file_priv,
+                                    unsigned int *handle)
+{
+       struct virtio_gpu_framebuffer *virtio_gpu_fb =
+               to_virtio_gpu_framebuffer(fb);
+
+       return drm_gem_handle_create(file_priv, virtio_gpu_fb->obj, handle);
+}
+
 static const struct drm_framebuffer_funcs virtio_gpu_fb_funcs = {
+       .create_handle = virtio_gpu_framebuffer_create_handle,
        .destroy = virtio_gpu_user_framebuffer_destroy,
        .dirty = virtio_gpu_framebuffer_surface_dirty,
 };