android-mainline/NOUPSTREAM-ANDROID-base-Base-related-vendor-hooks.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Yun Hsiang <yun.hsiang@mediatek.com>
Date: Thu, 13 Aug 2020 14:41:46 +0800
Subject: NOUPSTREAM: ANDROID: base: Base related vendor hooks

Current CPU capacity is scaled by frequency
but it will sometime overestimate.
Add vendor hook to adjust cpu capacity.

android_vh_arch_set_freq_scale
	Adjust cpu freq scale for each opp.

[CPNOTE: 27/05/21] Lee: Vendor related code - maintain forever

Squash
  NOUPSTREAM: ANDROID: PM / Domains: add vendor_hook to disallow domain idle state
  ANDROID: topology: Add flag to indicate topology has been updated

Bug: 163935827
Bug: 200103201
Bug: 175718935
Bug: 195914333
Bug: 187234873

Signed-off-by: Yun Hsiang <yun.hsiang@mediatek.com>
Change-Id: I054740a7f60301d5a3b085bfa540d52853f5eec5
[ebiggers: Folded in the following commit:
           d6d9bb4ff41b ("ANDROID: fix kernelci build break")]
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Lee Jones <joneslee@google.com>
---
 drivers/base/power/domain_governor.c |  7 +++++++
 include/trace/hooks/pm_domain.h      | 21 +++++++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 include/trace/hooks/pm_domain.h

diff --git a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c
--- a/drivers/base/power/domain_governor.c
+++ b/drivers/base/power/domain_governor.c
@@ -12,6 +12,8 @@
 #include <linux/cpumask.h>
 #include <linux/ktime.h>
 
+#include <trace/hooks/pm_domain.h>
+
 static int dev_update_qos_constraint(struct device *dev, void *data)
 {
 	s64 *constraint_ns_p = data;
@@ -179,6 +181,11 @@ static bool __default_power_down_ok(struct dev_pm_domain *pd,
 	struct pm_domain_data *pdd;
 	s64 min_off_time_ns;
 	s64 off_on_time_ns;
+	bool allow = true;
+
+	trace_android_vh_allow_domain_state(genpd, state, &allow);
+	if (!allow)
+		return false;
 
 	off_on_time_ns = genpd->states[state].power_off_latency_ns +
 		genpd->states[state].power_on_latency_ns;
diff --git a/include/trace/hooks/pm_domain.h b/include/trace/hooks/pm_domain.h
new file mode 100644
--- /dev/null
+++ b/include/trace/hooks/pm_domain.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM pm_domain
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_PM_DOMAIN_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_PM_DOMAIN_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct generic_pm_domain;
+DECLARE_HOOK(android_vh_allow_domain_state,
+	TP_PROTO(struct generic_pm_domain *genpd, uint32_t idx, bool *allow),
+	TP_ARGS(genpd, idx, allow))
+
+#endif /* _TRACE_HOOK_PM_DOMAIN_H */
+
+#include <trace/define_trace.h>