disp: msm: sde: update QoS values on FPS switch

This change updates plane's dirty flag with QoS
value to ensure QoS gets reprogrammed with new FPS
settings. This is required as QoS values will change
with FPS.

Change-Id: I377b99da2a640d375bd48477f149197b332e7f7b
Signed-off-by: Samantha Tran <samtran@codeaurora.org>

msm/sde/sde_encoder.c

@@ -2122,6 +2122,8 @@ static void sde_encoder_virt_mode_set(struct drm_encoder *drm_enc,
 	}
 	drm_connector_list_iter_end(&conn_iter);
 
+	sde_crtc_set_qos_dirty(sde_enc->crtc);
+
 	if (!conn) {
 		SDE_ERROR_ENC(sde_enc, "failed to find attached connector\n");
 		return;