disp: msm: increase delay times while waiting to turn off rscc clocks

RSC is timing out while checking for power control register,
increasing wait times only after a poms, removes this issue.

Change-Id: I4a324eb3c87e7dfb84d9a8b0a11597327d206a74
Signed-off-by: Nilaan Gunabalachandran <ngunabal@codeaurora.org>
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>

msm/sde_rsc_priv.h

@@ -193,6 +193,7 @@ struct sde_rsc_bw_config {
  * resource_refcount:	Track rsc resource refcount
  * profiling_supp:	Indicates if HW has support for profiling counters
  * profiling_en:	Flag for rsc lpm profiling counters, true=enabled
+ * post_poms:		bool if a panel mode change occurred
  */
 struct sde_rsc_priv {
 	u32 version;
@@ -236,6 +237,8 @@ struct sde_rsc_priv {
 	atomic_t resource_refcount;
 	bool profiling_supp;
 	bool profiling_en;
+
+	bool post_poms;
 };
 
 /**