Merge tag 'platform-drivers-x86-v6.2-4' of...

Merge tag 'platform-drivers-x86-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Hans de Goede:
 "A set of AMD PMF fixes + a few other small fixes"

* tag 'platform-drivers-x86-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: touchscreen_dmi: Add Chuwi Vi8 (CWI501) DMI match
  platform/x86: thinkpad_acpi: Fix thinklight LED brightness returning 255
  platform/x86/amd: pmc: add CONFIG_SERIO dependency
  platform/x86/amd/pmf: Ensure mutexes are initialized before use
  platform/x86/amd/pmf: Fix to update SPS thermals when power supply change
  platform/x86/amd/pmf: Fix to update SPS default pprof thermals
  platform/x86/amd/pmf: update to auto-mode limits only after AMT event
  platform/x86/amd/pmf: Add helper routine to check pprof is balanced
  platform/x86/amd/pmf: Add helper routine to update SPS thermals

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

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);
 }

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);
 	}

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;
 }

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);

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;
 

drivers/platform/x86/thinkpad_acpi.c

@@ -5563,7 +5563,7 @@ static int light_sysfs_set(struct led_classdev *led_cdev,
 
 static enum led_brightness light_sysfs_get(struct led_classdev *led_cdev)
 {
-	return (light_get_status() == 1) ? LED_FULL : LED_OFF;
+	return (light_get_status() == 1) ? LED_ON : LED_OFF;
 }
 
 static struct tpacpi_led_classdev tpacpi_led_thinklight = {

drivers/platform/x86/touchscreen_dmi.c

@@ -1097,6 +1097,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
 			DMI_MATCH(DMI_BIOS_DATE, "05/07/2016"),
 		},
 	},
+	{
+		/* Chuwi Vi8 (CWI501) */
+		.driver_data = (void *)&chuwi_vi8_data,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "i86"),
+			DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.W86JLBNR01"),
+		},
+	},
 	{
 		/* Chuwi Vi8 (CWI506) */
 		.driver_data = (void *)&chuwi_vi8_data,