Merge "disp: msm: sde: update crtc check in drm_check_dpms"

	struct drm_connector *connector;

	struct drm_connector_state *old_conn_state;

	struct drm_crtc_state *old_crtc_state;

	struct drm_crtc *crtc;

	int i, old_mode, new_mode, old_fps, new_fps;

	for_each_old_connector_in_state(old_state, connector,

			old_conn_state, i) {

		if (!connector->state->crtc)

		crtc = connector->state->crtc ? connector->state->crtc :

			old_conn_state->crtc;

		if (!crtc)

			continue;

		new_fps = connector->state->crtc->state->mode.vrefresh;

		new_mode = _sde_kms_get_blank(connector->state->crtc->state,

						connector->state);

		new_fps = crtc->state->mode.vrefresh;

		new_mode = _sde_kms_get_blank(crtc->state, connector->state);

		if (old_conn_state->crtc) {

			old_crtc_state = drm_atomic_get_existing_crtc_state(

					old_state, old_conn_state->crtc);