drm/modeset-helper: Add simple modeset suspend/resume helpers
Add drm_mode_config_helper_suspend/resume() which takes care of
atomic modeset suspend/resume for simple use cases.
The suspend state is stored in struct drm_mode_config.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171106191812.38927-3-noralf@tronnes.org
diff --git a/include/drm/drm_modeset_helper.h b/include/drm/drm_modeset_helper.h
index cb0ec92..efa337f 100644
--- a/include/drm/drm_modeset_helper.h
+++ b/include/drm/drm_modeset_helper.h
@@ -34,4 +34,7 @@ void drm_helper_mode_fill_fb_struct(struct drm_device *dev,
int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
const struct drm_crtc_funcs *funcs);
+int drm_mode_config_helper_suspend(struct drm_device *dev);
+int drm_mode_config_helper_resume(struct drm_device *dev);
+
#endif