drm: msm: skip the color processing programming if crtc is not enabled

Add check to avoid programming the color processing HW if sde_crtc is
not enabled.

Change-Id: I7ffd341147f0caebefb647486a139df5c0aeab31
Signed-off-by: Ping Li <quic_pingli@quicinc.com>

msm/sde/sde_color_processing.c

@@ -2310,6 +2310,9 @@ void sde_cp_crtc_apply_properties(struct drm_crtc *crtc)
 	}
 
 	_sde_cp_flush_properties(crtc);
+	if (!sde_crtc->enabled)
+		return;
+
 	mutex_lock(&sde_crtc->crtc_cp_lock);
 	_sde_clear_ltm_merge_mode(sde_crtc);