Merge 6.2-rc7 into char-misc-next

We need the char-misc driver fixes in here as other patches depend on
them.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

7 files changed, 116 insertions, 29 deletions

diff --git a/drivers/platform/x86/amd/Kconfig b/drivers/platform/x86/amd/Kconfig
index a825af8126c8..2ce8cb2170df 100644
--- a/drivers/platform/x86/amd/Kconfig
+++ b/drivers/platform/x86/amd/Kconfig
@@ -8,6 +8,7 @@ source "drivers/platform/x86/amd/pmf/Kconfig"
 config AMD_PMC
 	tristate "AMD SoC PMC driver"
 	depends on ACPI && PCI && RTC_CLASS
+	select SERIO
 	help
 	  The driver provides support for AMD Power Management Controller
 	  primarily responsible for S2Idle transactions that are driven from
diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c
index 8d924986381b..3cbb01ec10e3 100644
--- a/drivers/platform/x86/amd/pmc.c
+++ b/drivers/platform/x86/amd/pmc.c
@@ -22,6 +22,7 @@
 #include <linux/pci.h>
 #include <linux/platform_device.h>
 #include <linux/rtc.h>
+#include <linux/serio.h>
 #include <linux/suspend.h>
 #include <linux/seq_file.h>
 #include <linux/uaccess.h>
@@ -160,6 +161,10 @@ static bool enable_stb;
 module_param(enable_stb, bool, 0644);
 MODULE_PARM_DESC(enable_stb, "Enable the STB debug mechanism");
 
+static bool disable_workarounds;
+module_param(disable_workarounds, bool, 0644);
+MODULE_PARM_DESC(disable_workarounds, "Disable workarounds for platform bugs");
+
 static struct amd_pmc_dev pmc;
 static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, u32 arg, u32 *data, u8 msg, bool ret);
 static int amd_pmc_read_stb(struct amd_pmc_dev *dev, u32 *buf);
@@ -653,6 +658,33 @@ static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev)
 	return -EINVAL;
 }
 
+static int amd_pmc_czn_wa_irq1(struct amd_pmc_dev *pdev)
+{
+	struct device *d;
+	int rc;
+
+	if (!pdev->major) {
+		rc = amd_pmc_get_smu_version(pdev);
+		if (rc)
+			return rc;
+	}
+
+	if (pdev->major > 64 || (pdev->major == 64 && pdev->minor > 65))
+		return 0;
+
+	d = bus_find_device_by_name(&serio_bus, NULL, "serio0");
+	if (!d)
+		return 0;
+	if (device_may_wakeup(d)) {
+		dev_info_once(d, "Disabling IRQ1 wakeup source to avoid platform firmware bug\n");
+		disable_irq_wake(1);
+		device_set_wakeup_enable(d, false);
+	}
+	put_device(d);
+
+	return 0;
+}
+
 static int amd_pmc_verify_czn_rtc(struct amd_pmc_dev *pdev, u32 *arg)
 {
 	struct rtc_device *rtc_device;
@@ -715,8 +747,8 @@ static void amd_pmc_s2idle_prepare(void)
 	/* Reset and Start SMU logging - to monitor the s0i3 stats */
 	amd_pmc_setup_smu_logging(pdev);
 
-	/* Activate CZN specific RTC functionality */
-	if (pdev->cpu_id == AMD_CPU_ID_CZN) {
+	/* Activate CZN specific platform bug workarounds */
+	if (pdev->cpu_id == AMD_CPU_ID_CZN && !disable_workarounds) {
 		rc = amd_pmc_verify_czn_rtc(pdev, &arg);
 		if (rc) {
 			dev_err(pdev->dev, "failed to set RTC: %d\n", rc);
@@ -782,6 +814,25 @@ static struct acpi_s2idle_dev_ops amd_pmc_s2idle_dev_ops = {
 	.check = amd_pmc_s2idle_check,
 	.restore = amd_pmc_s2idle_restore,
 };
+
+static int __maybe_unused amd_pmc_suspend_handler(struct device *dev)
+{
+	struct amd_pmc_dev *pdev = dev_get_drvdata(dev);
+
+	if (pdev->cpu_id == AMD_CPU_ID_CZN && !disable_workarounds) {
+		int rc = amd_pmc_czn_wa_irq1(pdev);
+
+		if (rc) {
+			dev_err(pdev->dev, "failed to adjust keyboard wakeup: %d\n", rc);
+			return rc;
+		}
+	}
+
+	return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(amd_pmc_pm, amd_pmc_suspend_handler, NULL);
+
 #endif
 
 static const struct pci_device_id pmc_pci_ids[] = {
@@ -980,6 +1031,9 @@ static struct platform_driver amd_pmc_driver = {
 		.name = "amd_pmc",
 		.acpi_match_table = amd_pmc_acpi_ids,
 		.dev_groups = pmc_groups,
+#ifdef CONFIG_SUSPEND
+		.pm = &amd_pmc_pm,
+#endif
 	},
 	.probe = amd_pmc_probe,
 	.remove = amd_pmc_remove,
diff --git a/drivers/platform/x86/amd/pmf/auto-mode.c b/drivers/platform/x86/amd/pmf/auto-mode.c
index 644af42e07cf..96a8e1832c05 100644
--- a/drivers/platform/x86/amd/pmf/auto-mode.c
+++ b/drivers/platform/x86/amd/pmf/auto-mode.c
@@ -275,13 +275,8 @@ int amd_pmf_reset_amt(struct amd_pmf_dev *dev)
 	 */
 
 	if (is_apmf_func_supported(dev, APMF_FUNC_STATIC_SLIDER_GRANULAR)) {
-		int mode = amd_pmf_get_pprof_modes(dev);
-
-		if (mode < 0)
-			return mode;
-
 		dev_dbg(dev->dev, "resetting AMT thermals\n");
-		amd_pmf_update_slider(dev, SLIDER_OP_SET, mode, NULL);
+		amd_pmf_set_sps_power_limits(dev);
 	}
 	return 0;
 }
@@ -299,7 +294,5 @@ void amd_pmf_deinit_auto_mode(struct amd_pmf_dev *dev)
 void amd_pmf_init_auto_mode(struct amd_pmf_dev *dev)
 {
 	amd_pmf_load_defaults_auto_mode(dev);
-	/* update the thermal limits for Automode */
-	amd_pmf_set_automode(dev, config_store.current_mode, NULL);
 	amd_pmf_init_metrics_table(dev);
 }
diff --git a/drivers/platform/x86/amd/pmf/cnqf.c b/drivers/platform/x86/amd/pmf/cnqf.c
index 3f9731a2ac28..4beb22a19466 100644
--- a/drivers/platform/x86/amd/pmf/cnqf.c
+++ b/drivers/platform/x86/amd/pmf/cnqf.c
@@ -103,7 +103,7 @@ int amd_pmf_trans_cnqf(struct amd_pmf_dev *dev, int socket_power, ktime_t time_l
 
 	src = amd_pmf_cnqf_get_power_source(dev);
 
-	if (dev->current_profile == PLATFORM_PROFILE_BALANCED) {
+	if (is_pprof_balanced(dev)) {
 		amd_pmf_set_cnqf(dev, src, config_store.current_mode, NULL);
 	} else {
 		/*
@@ -307,13 +307,9 @@ static ssize_t cnqf_enable_store(struct device *dev,
 				 const char *buf, size_t count)
 {
 	struct amd_pmf_dev *pdev = dev_get_drvdata(dev);
-	int mode, result, src;
+	int result, src;
 	bool input;
 
-	mode = amd_pmf_get_pprof_modes(pdev);
-	if (mode < 0)
-		return mode;
-
 	result = kstrtobool(buf, &input);
 	if (result)
 		return result;
@@ -321,11 +317,11 @@ static ssize_t cnqf_enable_store(struct device *dev,
 	src = amd_pmf_cnqf_get_power_source(pdev);
 	pdev->cnqf_enabled = input;
 
-	if (pdev->cnqf_enabled && pdev->current_profile == PLATFORM_PROFILE_BALANCED) {
+	if (pdev->cnqf_enabled && is_pprof_balanced(pdev)) {
 		amd_pmf_set_cnqf(pdev, src, config_store.current_mode, NULL);
 	} else {
 		if (is_apmf_func_supported(pdev, APMF_FUNC_STATIC_SLIDER_GRANULAR))
-			amd_pmf_update_slider(pdev, SLIDER_OP_SET, mode, NULL);
+			amd_pmf_set_sps_power_limits(pdev);
 	}
 
 	dev_dbg(pdev->dev, "Received CnQF %s\n", input ? "on" : "off");
@@ -386,7 +382,7 @@ int amd_pmf_init_cnqf(struct amd_pmf_dev *dev)
 	dev->cnqf_enabled = amd_pmf_check_flags(dev);
 
 	/* update the thermal for CnQF */
-	if (dev->cnqf_enabled && dev->current_profile == PLATFORM_PROFILE_BALANCED) {
+	if (dev->cnqf_enabled && is_pprof_balanced(dev)) {
 		src = amd_pmf_cnqf_get_power_source(dev);
 		amd_pmf_set_cnqf(dev, src, config_store.current_mode, NULL);
 	}
diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c
index a5f5a4bcff6d..da23639071d7 100644
--- a/drivers/platform/x86/amd/pmf/core.c
+++ b/drivers/platform/x86/amd/pmf/core.c
@@ -58,6 +58,25 @@ static bool force_load;
 module_param(force_load, bool, 0444);
 MODULE_PARM_DESC(force_load, "Force load this driver on supported older platforms (experimental)");
 
+static int amd_pmf_pwr_src_notify_call(struct notifier_block *nb, unsigned long event, void *data)
+{
+	struct amd_pmf_dev *pmf = container_of(nb, struct amd_pmf_dev, pwr_src_notifier);
+
+	if (event != PSY_EVENT_PROP_CHANGED)
+		return NOTIFY_OK;
+
+	if (is_apmf_func_supported(pmf, APMF_FUNC_AUTO_MODE) ||
+	    is_apmf_func_supported(pmf, APMF_FUNC_DYN_SLIDER_DC) ||
+	    is_apmf_func_supported(pmf, APMF_FUNC_DYN_SLIDER_AC)) {
+		if ((pmf->amt_enabled || pmf->cnqf_enabled) && is_pprof_balanced(pmf))
+			return NOTIFY_DONE;
+	}
+
+	amd_pmf_set_sps_power_limits(pmf);
+
+	return NOTIFY_OK;
+}
+
 static int current_power_limits_show(struct seq_file *seq, void *unused)
 {
 	struct amd_pmf_dev *dev = seq->private;
@@ -366,14 +385,18 @@ static int amd_pmf_probe(struct platform_device *pdev)
 	if (!dev->regbase)
 		return -ENOMEM;
 
+	mutex_init(&dev->lock);
+	mutex_init(&dev->update_mutex);
+
 	apmf_acpi_init(dev);
 	platform_set_drvdata(pdev, dev);
 	amd_pmf_init_features(dev);
 	apmf_install_handler(dev);
 	amd_pmf_dbgfs_register(dev);
 
-	mutex_init(&dev->lock);
-	mutex_init(&dev->update_mutex);
+	dev->pwr_src_notifier.notifier_call = amd_pmf_pwr_src_notify_call;
+	power_supply_reg_notifier(&dev->pwr_src_notifier);
+
 	dev_info(dev->dev, "registered PMF device successfully\n");
 
 	return 0;
@@ -383,11 +406,12 @@ static int amd_pmf_remove(struct platform_device *pdev)
 {
 	struct amd_pmf_dev *dev = platform_get_drvdata(pdev);
 
-	mutex_destroy(&dev->lock);
-	mutex_destroy(&dev->update_mutex);
+	power_supply_unreg_notifier(&dev->pwr_src_notifier);
 	amd_pmf_deinit_features(dev);
 	apmf_acpi_deinit(dev);
 	amd_pmf_dbgfs_unregister(dev);
+	mutex_destroy(&dev->lock);
+	mutex_destroy(&dev->update_mutex);
 	kfree(dev->buf);
 	return 0;
 }
diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h
index 84bbe2c6ea61..06c30cdc0573 100644
--- a/drivers/platform/x86/amd/pmf/pmf.h
+++ b/drivers/platform/x86/amd/pmf/pmf.h
@@ -169,6 +169,7 @@ struct amd_pmf_dev {
 	struct mutex update_mutex; /* protects race between ACPI handler and metrics thread */
 	bool cnqf_enabled;
 	bool cnqf_supported;
+	struct notifier_block pwr_src_notifier;
 };
 
 struct apmf_sps_prop_granular {
@@ -391,9 +392,11 @@ int amd_pmf_init_sps(struct amd_pmf_dev *dev);
 void amd_pmf_deinit_sps(struct amd_pmf_dev *dev);
 int apmf_get_static_slider_granular(struct amd_pmf_dev *pdev,
 				    struct apmf_static_slider_granular_output *output);
+bool is_pprof_balanced(struct amd_pmf_dev *pmf);
 
 
 int apmf_update_fan_idx(struct amd_pmf_dev *pdev, bool manual, u32 idx);
+int amd_pmf_set_sps_power_limits(struct amd_pmf_dev *pmf);
 
 /* Auto Mode Layer */
 int apmf_get_auto_mode_def(struct amd_pmf_dev *pdev, struct apmf_auto_mode *data);
diff --git a/drivers/platform/x86/amd/pmf/sps.c b/drivers/platform/x86/amd/pmf/sps.c
index dba7e36962dc..bed762d47a14 100644
--- a/drivers/platform/x86/amd/pmf/sps.c
+++ b/drivers/platform/x86/amd/pmf/sps.c
@@ -70,6 +70,24 @@ void amd_pmf_update_slider(struct amd_pmf_dev *dev, bool op, int idx,
 	}
 }
 
+int amd_pmf_set_sps_power_limits(struct amd_pmf_dev *pmf)
+{
+	int mode;
+
+	mode = amd_pmf_get_pprof_modes(pmf);
+	if (mode < 0)
+		return mode;
+
+	amd_pmf_update_slider(pmf, SLIDER_OP_SET, mode, NULL);
+
+	return 0;
+}
+
+bool is_pprof_balanced(struct amd_pmf_dev *pmf)
+{
+	return (pmf->current_profile == PLATFORM_PROFILE_BALANCED) ? true : false;
+}
+
 static int amd_pmf_profile_get(struct platform_profile_handler *pprof,
 			       enum platform_profile_option *profile)
 {
@@ -105,15 +123,10 @@ static int amd_pmf_profile_set(struct platform_profile_handler *pprof,
 			       enum platform_profile_option profile)
 {
 	struct amd_pmf_dev *pmf = container_of(pprof, struct amd_pmf_dev, pprof);
-	int mode;
 
 	pmf->current_profile = profile;
-	mode = amd_pmf_get_pprof_modes(pmf);
-	if (mode < 0)
-		return mode;
 
-	amd_pmf_update_slider(pmf, SLIDER_OP_SET, mode, NULL);
-	return 0;
+	return amd_pmf_set_sps_power_limits(pmf);
 }
 
 int amd_pmf_init_sps(struct amd_pmf_dev *dev)
@@ -123,6 +136,9 @@ int amd_pmf_init_sps(struct amd_pmf_dev *dev)
 	dev->current_profile = PLATFORM_PROFILE_BALANCED;
 	amd_pmf_load_defaults_sps(dev);
 
+	/* update SPS balanced power mode thermals */
+	amd_pmf_set_sps_power_limits(dev);
+
 	dev->pprof.profile_get = amd_pmf_profile_get;
 	dev->pprof.profile_set = amd_pmf_profile_set;