From c5258d39fc4cbed37e20945715e7eb102f26d65b Mon Sep 17 00:00:00 2001 From: Shyam Sundar S K Date: Wed, 25 Jan 2023 15:29:32 +0530 Subject: [PATCH 1/9] platform/x86/amd/pmf: Add helper routine to update SPS thermals Add helper routine to update the static slider information and remove the duplicate code occurrences after this change. Signed-off-by: Shyam Sundar S K Reviewed-by: Mario Limonciello Link: https://lore.kernel.org/r/20230125095936.3292883-2-Shyam-sundar.S-k@amd.com Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede --- drivers/platform/x86/amd/pmf/auto-mode.c | 7 +------ drivers/platform/x86/amd/pmf/cnqf.c | 8 ++------ drivers/platform/x86/amd/pmf/pmf.h | 1 + drivers/platform/x86/amd/pmf/sps.c | 20 ++++++++++++++------ 4 files changed, 18 insertions(+), 18 deletions(-) diff --git a/drivers/platform/x86/amd/pmf/auto-mode.c b/drivers/platform/x86/amd/pmf/auto-mode.c index 644af42e07cf..7564ef1bca7d 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; } diff --git a/drivers/platform/x86/amd/pmf/cnqf.c b/drivers/platform/x86/amd/pmf/cnqf.c index 3f9731a2ac28..21e00ba39f19 100644 --- a/drivers/platform/x86/amd/pmf/cnqf.c +++ b/drivers/platform/x86/amd/pmf/cnqf.c @@ -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; @@ -325,7 +321,7 @@ static ssize_t cnqf_enable_store(struct device *dev, 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"); diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h index 84bbe2c6ea61..b5b77a353b96 100644 --- a/drivers/platform/x86/amd/pmf/pmf.h +++ b/drivers/platform/x86/amd/pmf/pmf.h @@ -394,6 +394,7 @@ int apmf_get_static_slider_granular(struct amd_pmf_dev *pdev, 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..5f842d6e6db2 100644 --- a/drivers/platform/x86/amd/pmf/sps.c +++ b/drivers/platform/x86/amd/pmf/sps.c @@ -70,6 +70,19 @@ 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; +} + static int amd_pmf_profile_get(struct platform_profile_handler *pprof, enum platform_profile_option *profile) { @@ -105,15 +118,10 @@ 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) From 16909aa8c9cc284085f1202c6403ecb9814af812 Mon Sep 17 00:00:00 2001 From: Shyam Sundar S K Date: Wed, 25 Jan 2023 15:29:33 +0530 Subject: [PATCH 2/9] platform/x86/amd/pmf: Add helper routine to check pprof is balanced Add helper routine to check if the current platform profile is balanced mode and remove duplicate code occurrences. Signed-off-by: Shyam Sundar S K Reviewed-by: Mario Limonciello Link: https://lore.kernel.org/r/20230125095936.3292883-3-Shyam-sundar.S-k@amd.com Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede --- drivers/platform/x86/amd/pmf/cnqf.c | 6 +++--- drivers/platform/x86/amd/pmf/pmf.h | 1 + drivers/platform/x86/amd/pmf/sps.c | 5 +++++ 3 files changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/platform/x86/amd/pmf/cnqf.c b/drivers/platform/x86/amd/pmf/cnqf.c index 21e00ba39f19..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 { /* @@ -317,7 +317,7 @@ 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)) @@ -382,7 +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/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h index b5b77a353b96..b94e1a9030f8 100644 --- a/drivers/platform/x86/amd/pmf/pmf.h +++ b/drivers/platform/x86/amd/pmf/pmf.h @@ -391,6 +391,7 @@ 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); diff --git a/drivers/platform/x86/amd/pmf/sps.c b/drivers/platform/x86/amd/pmf/sps.c index 5f842d6e6db2..3b4a09a84c29 100644 --- a/drivers/platform/x86/amd/pmf/sps.c +++ b/drivers/platform/x86/amd/pmf/sps.c @@ -83,6 +83,11 @@ int amd_pmf_set_sps_power_limits(struct amd_pmf_dev *pmf) 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) { From 3dfe28c936f87373a2b6ada750be4c52c0f249f3 Mon Sep 17 00:00:00 2001 From: Shyam Sundar S K Date: Wed, 25 Jan 2023 15:29:34 +0530 Subject: [PATCH 3/9] platform/x86/amd/pmf: update to auto-mode limits only after AMT event Auto-mode thermal limits should be updated only after receiving the AMT event. But due to a bug in the older commit, these settings were getting applied during the auto-mode init. Fix this by removing amd_pmf_set_automode() during auto-mode initialization. Fixes: 3f5571d99524 ("platform/x86/amd/pmf: Add support for Auto mode feature") Suggested-by: Patil Rajesh Reddy Signed-off-by: Shyam Sundar S K Reviewed-by: Mario Limonciello Link: https://lore.kernel.org/r/20230125095936.3292883-4-Shyam-sundar.S-k@amd.com Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede --- drivers/platform/x86/amd/pmf/auto-mode.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/platform/x86/amd/pmf/auto-mode.c b/drivers/platform/x86/amd/pmf/auto-mode.c index 7564ef1bca7d..96a8e1832c05 100644 --- a/drivers/platform/x86/amd/pmf/auto-mode.c +++ b/drivers/platform/x86/amd/pmf/auto-mode.c @@ -294,7 +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); } From 635f79bc73cf3d40c4198a20b3a0e7016dd6f0d3 Mon Sep 17 00:00:00 2001 From: Shyam Sundar S K Date: Wed, 25 Jan 2023 15:29:35 +0530 Subject: [PATCH 4/9] platform/x86/amd/pmf: Fix to update SPS default pprof thermals By design PMF static slider will be set to BALANCED during init, but updating to corresponding thermal values from the PMF config store was missed, leading to improper settings getting propagated to PMFW. Fixes: 4c71ae414474 ("platform/x86/amd/pmf: Add support SPS PMF feature") Suggested-by: Patil Rajesh Reddy Signed-off-by: Shyam Sundar S K Reviewed-by: Mario Limonciello Link: https://lore.kernel.org/r/20230125095936.3292883-5-Shyam-sundar.S-k@amd.com Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede --- drivers/platform/x86/amd/pmf/sps.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/platform/x86/amd/pmf/sps.c b/drivers/platform/x86/amd/pmf/sps.c index 3b4a09a84c29..bed762d47a14 100644 --- a/drivers/platform/x86/amd/pmf/sps.c +++ b/drivers/platform/x86/amd/pmf/sps.c @@ -136,6 +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; From f21bf62290dd4d769594dcf0e6a688783d74f6a0 Mon Sep 17 00:00:00 2001 From: Shyam Sundar S K Date: Wed, 25 Jan 2023 15:29:36 +0530 Subject: [PATCH 5/9] platform/x86/amd/pmf: Fix to update SPS thermals when power supply change Every power mode of static power slider has its own AC and DC power settings. When the power source changes from AC to DC, corresponding DC thermals were not updated from PMF config store and this leads the system to always run on AC power settings. Fix it by registering with power_supply notifier and apply DC settings upon getting notified by the power_supply handler. Fixes: da5ce22df5fe ("platform/x86/amd/pmf: Add support for PMF core layer") Suggested-by: Patil Rajesh Reddy Signed-off-by: Shyam Sundar S K Reviewed-by: Mario Limonciello Link: https://lore.kernel.org/r/20230125095936.3292883-6-Shyam-sundar.S-k@amd.com Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede --- drivers/platform/x86/amd/pmf/core.c | 23 +++++++++++++++++++++++ drivers/platform/x86/amd/pmf/pmf.h | 1 + 2 files changed, 24 insertions(+) diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c index a5f5a4bcff6d..c9f7bcef4ac8 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; @@ -372,6 +391,9 @@ static int amd_pmf_probe(struct platform_device *pdev) apmf_install_handler(dev); amd_pmf_dbgfs_register(dev); + dev->pwr_src_notifier.notifier_call = amd_pmf_pwr_src_notify_call; + power_supply_reg_notifier(&dev->pwr_src_notifier); + mutex_init(&dev->lock); mutex_init(&dev->update_mutex); dev_info(dev->dev, "registered PMF device successfully\n"); @@ -383,6 +405,7 @@ static int amd_pmf_remove(struct platform_device *pdev) { struct amd_pmf_dev *dev = platform_get_drvdata(pdev); + power_supply_unreg_notifier(&dev->pwr_src_notifier); mutex_destroy(&dev->lock); mutex_destroy(&dev->update_mutex); amd_pmf_deinit_features(dev); diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h index b94e1a9030f8..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 { From e0c40529ff942a985eb0f3dacf18d35ee4dbb03d Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Mon, 30 Jan 2023 14:25:54 +0100 Subject: [PATCH 6/9] platform/x86/amd/pmf: Ensure mutexes are initialized before use As soon as the first handler or sysfs file is registered the mutex may get used. Move the initialization to before any handler registration / sysfs file creation. Likewise move the destruction of the mutex to after all the de-initialization is done. Fixes: da5ce22df5fe ("platform/x86/amd/pmf: Add support for PMF core layer") Signed-off-by: Hans de Goede Link: https://lore.kernel.org/r/20230130132554.696025-1-hdegoede@redhat.com --- drivers/platform/x86/amd/pmf/core.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c index c9f7bcef4ac8..da23639071d7 100644 --- a/drivers/platform/x86/amd/pmf/core.c +++ b/drivers/platform/x86/amd/pmf/core.c @@ -385,6 +385,9 @@ 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); @@ -394,8 +397,6 @@ static int amd_pmf_probe(struct platform_device *pdev) dev->pwr_src_notifier.notifier_call = amd_pmf_pwr_src_notify_call; power_supply_reg_notifier(&dev->pwr_src_notifier); - mutex_init(&dev->lock); - mutex_init(&dev->update_mutex); dev_info(dev->dev, "registered PMF device successfully\n"); return 0; @@ -406,11 +407,11 @@ static int amd_pmf_remove(struct platform_device *pdev) struct amd_pmf_dev *dev = platform_get_drvdata(pdev); power_supply_unreg_notifier(&dev->pwr_src_notifier); - mutex_destroy(&dev->lock); - mutex_destroy(&dev->update_mutex); 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; } From abce209d18fd26e865b2406cc68819289db973f9 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Fri, 27 Jan 2023 10:39:44 +0100 Subject: [PATCH 7/9] platform/x86/amd: pmc: add CONFIG_SERIO dependency Using the serio subsystem now requires the code to be reachable: x86_64-linux-ld: drivers/platform/x86/amd/pmc.o: in function `amd_pmc_suspend_handler': pmc.c:(.text+0x86c): undefined reference to `serio_bus' Add the usual dependency: as other users of serio use 'select' rather than 'depends on', use the same here. Fixes: 8e60615e8932 ("platform/x86/amd: pmc: Disable IRQ1 wakeup for RN/CZN") Signed-off-by: Arnd Bergmann Link: https://lore.kernel.org/r/20230127093950.2368575-1-arnd@kernel.org Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede --- drivers/platform/x86/amd/Kconfig | 1 + 1 file changed, 1 insertion(+) 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 From eebf82012dddbdcb09e4e49d3cdfafb93bc66eb2 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Sat, 28 Jan 2023 00:57:23 +0100 Subject: [PATCH 8/9] platform/x86: thinkpad_acpi: Fix thinklight LED brightness returning 255 Reading the thinklight LED brightnes while the LED is on returns 255 (LED_FULL) but we advertise a max_brightness of 1, so this should be 1 (LED_ON). Fixes: db5e2a4ca0a7 ("platform/x86: thinkpad_acpi: Fix max_brightness of thinklight") Signed-off-by: Hans de Goede Link: https://lore.kernel.org/r/20230127235723.412864-1-hdegoede@redhat.com --- drivers/platform/x86/thinkpad_acpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 02860c32625e..32c10457399e 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/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 = { From eecf2acd4a580e9364e5087daf0effca60a240b7 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Thu, 2 Feb 2023 11:34:13 +0100 Subject: [PATCH 9/9] platform/x86: touchscreen_dmi: Add Chuwi Vi8 (CWI501) DMI match Add a DMI match for the CWI501 version of the Chuwi Vi8 tablet, pointing to the same chuwi_vi8_data as the existing CWI506 version DMI match. Signed-off-by: Hans de Goede Link: https://lore.kernel.org/r/20230202103413.331459-1-hdegoede@redhat.com --- drivers/platform/x86/touchscreen_dmi.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index f00995390fdf..13802a3c3591 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/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,