drm/udl: Enable damage clipping

Call drm_plane_enable_fb_damage_clips() and give userspace a chance
of minimizing the updated display area.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220908095115.23396-4-tiwai@suse.de

diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index 34ce5b43c5dbdffaba73c7a8e896ca41c75b39e5..b2377b7064829cbddbc4ffa0ba1f75a519a9466e 100644 (file)
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -480,6 +480,7 @@ int udl_modeset_init(struct drm_device *dev)
                                           format_count, NULL, connector);
        if (ret)
                return ret;
+       drm_plane_enable_fb_damage_clips(&udl->display_pipe.plane);
 
        drm_mode_config_reset(dev);