Merge "disp: msm: sde: avoid wb commit with null output framebuffer"

	SDE_DEBUG("[roi:%u,%u,%u,%u]\n", wb_roi.x, wb_roi.y,

			wb_roi.w, wb_roi.h);

	/* bypass check if commit with no framebuffer */

	fb = sde_wb_connector_state_get_output_fb(conn_state);

	if (!fb) {

		SDE_DEBUG("no output framebuffer\n");

		return 0;

		SDE_ERROR("no output framebuffer\n");

		return -EINVAL;

	}

	SDE_DEBUG("[fb_id:%u][fb:%u,%u]\n", fb->base.id,