qcacld-3.0: During wlan IPA suspend, force the BW voting to high

During wlan IPA suspend, force the bandwidth voting to high
when CFG_DP_IPA_ENABLE_FORCE_VOTING is enabled.

Change-Id: I9b368081f9c0919f5fecfacf318ad1a714cc33cf
CRs-Fixed: 2521815

components/ipa/core/src/wlan_ipa_core.c

@@ -1160,6 +1160,12 @@ QDF_STATUS wlan_ipa_suspend(struct wlan_ipa_priv *ipa_ctx)
 	ipa_ctx->suspended = true;
 	qdf_spin_unlock_bh(&ipa_ctx->pm_lock);
 
+	if (ipa_ctx->config->ipa_force_voting &&
+	    !ipa_ctx->ipa_pipes_down)
+		wlan_ipa_set_perf_level(ipa_ctx,
+					ipa_ctx->config->bus_bw_high,
+					ipa_ctx->config->bus_bw_high);
+
 	return QDF_STATUS_SUCCESS;
 }
 

components/ipa/core/src/wlan_ipa_main.c

@@ -635,6 +635,8 @@ void ipa_component_config_update(struct wlan_objmgr_psoc *psoc)
 		cfg_get(psoc, CFG_DP_BUS_BANDWIDTH_MEDIUM_THRESHOLD);
 	g_ipa_config->bus_bw_low =
 		cfg_get(psoc, CFG_DP_BUS_BANDWIDTH_LOW_THRESHOLD);
+	g_ipa_config->ipa_force_voting =
+		cfg_get(psoc, CFG_DP_IPA_ENABLE_FORCE_VOTING);
 }
 
 uint32_t ipa_get_tx_buf_count(void)

components/ipa/dispatcher/inc/cfg_ipa.h

@@ -155,6 +155,25 @@
 		100, \
 		CFG_VALUE_OR_DEFAULT, "IPA low bw threshold")
 
+/*
+ * <ini>
+ * gIPAForceVotingEnable - IPA force voting enable
+ * @Default: false
+ *
+ * This ini specifies to enable IPA force voting
+ *
+ * Related: N/A
+ *
+ * Supported Feature: IPA
+ *
+ * Usage: Internal
+ *
+ * </ini>
+ */
+#define CFG_DP_IPA_ENABLE_FORCE_VOTING \
+		CFG_INI_BOOL("gIPAForceVotingEnable", \
+		false, "Ctrl to enable force voting")
+
 /*
  * <ini>
  * IpaUcTxBufCount - IPA tx buffer count
@@ -185,6 +204,7 @@
 	CFG(CFG_DP_IPA_HIGH_BANDWIDTH_MBPS) \
 	CFG(CFG_DP_IPA_MEDIUM_BANDWIDTH_MBPS) \
 	CFG(CFG_DP_IPA_LOW_BANDWIDTH_MBPS) \
+	CFG(CFG_DP_IPA_ENABLE_FORCE_VOTING) \
 	CFG(CFG_DP_IPA_UC_TX_BUF_COUNT)
 
 #endif /* _CFG_IPA_H_ */

components/ipa/dispatcher/inc/wlan_ipa_public_struct.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018, 2019 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -38,6 +38,7 @@
  * @ipa_bw_high: IPA bandwidth high threshold
  * @ipa_bw_medium: IPA bandwidth medium threshold
  * @ipa_bw_low: IPA bandwidth low threshold
+ * @ipa_force_voting: support force bw voting
  */
 struct wlan_ipa_config {
 	uint32_t ipa_config;
@@ -49,6 +50,7 @@ struct wlan_ipa_config {
 	uint32_t ipa_bw_high;
 	uint32_t ipa_bw_medium;
 	uint32_t ipa_bw_low;
+	bool ipa_force_voting;
 };
 
 /**