disp: msm: sde: check and program DS only on CRTCs that support it

Currently, when runtime_pm_suspend occurs DS property is marked
as dirty invariably if the CRTC allocated the blocks or not.
This causes atomic check failure on CRTCs without DS allocation.

Change-Id: I90287e8e283d2e80aa47627d4aa045040d76b472
Signed-off-by: Amine Najahi <anajahi@codeaurora.org>

msm/sde/sde_crtc.c

@@ -3966,7 +3966,10 @@ static void sde_crtc_handle_power_event(u32 event_type, void *arg)
 		sde_cp_crtc_suspend(crtc);
 
 		/* reconfigure everything on next frame update */
-		bitmap_fill(cstate->dirty, SDE_CRTC_DIRTY_MAX);
+		set_bit(SDE_CRTC_DIRTY_DIM_LAYERS, cstate->dirty);
+
+		if (cstate->num_ds_enabled)
+			set_bit(SDE_CRTC_DIRTY_DEST_SCALER, cstate->dirty);
 
 		event.type = DRM_EVENT_SDE_POWER;
 		event.length = sizeof(power_on);