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-rw-r--r--drivers/acpi/apei/ghes.c67
-rw-r--r--drivers/acpi/dptf/dptf_power.c147
-rw-r--r--drivers/acpi/pmic/intel_pmic_chtdc_ti.c1
-rw-r--r--drivers/acpi/video_detect.c10
4 files changed, 205 insertions, 20 deletions
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 24c9642e8fc7..5abca09455ad 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -40,6 +40,7 @@
#include <linux/sched/clock.h>
#include <linux/uuid.h>
#include <linux/ras.h>
+#include <linux/task_work.h>
#include <acpi/actbl1.h>
#include <acpi/ghes.h>
@@ -414,23 +415,46 @@ static void ghes_clear_estatus(struct ghes *ghes,
ghes_ack_error(ghes->generic_v2);
}
-static void ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata, int sev)
+/*
+ * Called as task_work before returning to user-space.
+ * Ensure any queued work has been done before we return to the context that
+ * triggered the notification.
+ */
+static void ghes_kick_task_work(struct callback_head *head)
+{
+ struct acpi_hest_generic_status *estatus;
+ struct ghes_estatus_node *estatus_node;
+ u32 node_len;
+
+ estatus_node = container_of(head, struct ghes_estatus_node, task_work);
+ if (IS_ENABLED(CONFIG_ACPI_APEI_MEMORY_FAILURE))
+ memory_failure_queue_kick(estatus_node->task_work_cpu);
+
+ estatus = GHES_ESTATUS_FROM_NODE(estatus_node);
+ node_len = GHES_ESTATUS_NODE_LEN(cper_estatus_len(estatus));
+ gen_pool_free(ghes_estatus_pool, (unsigned long)estatus_node, node_len);
+}
+
+static bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
+ int sev)
{
-#ifdef CONFIG_ACPI_APEI_MEMORY_FAILURE
unsigned long pfn;
int flags = -1;
int sec_sev = ghes_severity(gdata->error_severity);
struct cper_sec_mem_err *mem_err = acpi_hest_get_payload(gdata);
+ if (!IS_ENABLED(CONFIG_ACPI_APEI_MEMORY_FAILURE))
+ return false;
+
if (!(mem_err->validation_bits & CPER_MEM_VALID_PA))
- return;
+ return false;
pfn = mem_err->physical_addr >> PAGE_SHIFT;
if (!pfn_valid(pfn)) {
pr_warn_ratelimited(FW_WARN GHES_PFX
"Invalid address in generic error data: %#llx\n",
mem_err->physical_addr);
- return;
+ return false;
}
/* iff following two events can be handled properly by now */
@@ -440,9 +464,12 @@ static void ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata, int
if (sev == GHES_SEV_RECOVERABLE && sec_sev == GHES_SEV_RECOVERABLE)
flags = 0;
- if (flags != -1)
+ if (flags != -1) {
memory_failure_queue(pfn, flags);
-#endif
+ return true;
+ }
+
+ return false;
}
/*
@@ -490,7 +517,7 @@ static void ghes_handle_aer(struct acpi_hest_generic_data *gdata)
#endif
}
-static void ghes_do_proc(struct ghes *ghes,
+static bool ghes_do_proc(struct ghes *ghes,
const struct acpi_hest_generic_status *estatus)
{
int sev, sec_sev;
@@ -498,6 +525,7 @@ static void ghes_do_proc(struct ghes *ghes,
guid_t *sec_type;
const guid_t *fru_id = &guid_null;
char *fru_text = "";
+ bool queued = false;
sev = ghes_severity(estatus->error_severity);
apei_estatus_for_each_section(estatus, gdata) {
@@ -515,7 +543,7 @@ static void ghes_do_proc(struct ghes *ghes,
ghes_edac_report_mem_error(sev, mem_err);
arch_apei_report_mem_error(sev, mem_err);
- ghes_handle_memory_failure(gdata, sev);
+ queued = ghes_handle_memory_failure(gdata, sev);
}
else if (guid_equal(sec_type, &CPER_SEC_PCIE)) {
ghes_handle_aer(gdata);
@@ -532,6 +560,8 @@ static void ghes_do_proc(struct ghes *ghes,
gdata->error_data_length);
}
}
+
+ return queued;
}
static void __ghes_print_estatus(const char *pfx,
@@ -827,7 +857,9 @@ static void ghes_proc_in_irq(struct irq_work *irq_work)
struct ghes_estatus_node *estatus_node;
struct acpi_hest_generic *generic;
struct acpi_hest_generic_status *estatus;
+ bool task_work_pending;
u32 len, node_len;
+ int ret;
llnode = llist_del_all(&ghes_estatus_llist);
/*
@@ -842,14 +874,26 @@ static void ghes_proc_in_irq(struct irq_work *irq_work)
estatus = GHES_ESTATUS_FROM_NODE(estatus_node);
len = cper_estatus_len(estatus);
node_len = GHES_ESTATUS_NODE_LEN(len);
- ghes_do_proc(estatus_node->ghes, estatus);
+ task_work_pending = ghes_do_proc(estatus_node->ghes, estatus);
if (!ghes_estatus_cached(estatus)) {
generic = estatus_node->generic;
if (ghes_print_estatus(NULL, generic, estatus))
ghes_estatus_cache_add(generic, estatus);
}
- gen_pool_free(ghes_estatus_pool, (unsigned long)estatus_node,
- node_len);
+
+ if (task_work_pending && current->mm != &init_mm) {
+ estatus_node->task_work.func = ghes_kick_task_work;
+ estatus_node->task_work_cpu = smp_processor_id();
+ ret = task_work_add(current, &estatus_node->task_work,
+ true);
+ if (ret)
+ estatus_node->task_work.func = NULL;
+ }
+
+ if (!estatus_node->task_work.func)
+ gen_pool_free(ghes_estatus_pool,
+ (unsigned long)estatus_node, node_len);
+
llnode = next;
}
}
@@ -909,6 +953,7 @@ static int ghes_in_nmi_queue_one_entry(struct ghes *ghes,
estatus_node->ghes = ghes;
estatus_node->generic = ghes->generic;
+ estatus_node->task_work.func = NULL;
estatus = GHES_ESTATUS_FROM_NODE(estatus_node);
if (__ghes_read_estatus(estatus, buf_paddr, fixmap_idx, len)) {
diff --git a/drivers/acpi/dptf/dptf_power.c b/drivers/acpi/dptf/dptf_power.c
index e4e8b75d39f0..5fab7e350db8 100644
--- a/drivers/acpi/dptf/dptf_power.c
+++ b/drivers/acpi/dptf/dptf_power.c
@@ -10,12 +10,19 @@
#include <linux/platform_device.h>
/*
- * Presentation of attributes which are defined for INT3407. They are:
+ * Presentation of attributes which are defined for INT3407 and INT3532.
+ * They are:
* PMAX : Maximum platform powe
* PSRC : Platform power source
* ARTG : Adapter rating
* CTYP : Charger type
* PBSS : Battery steady power
+ * PROP : Rest of worst case platform Power
+ * PBSS : Power Battery Steady State
+ * PBSS : Power Battery Steady State
+ * RBHF : High Frequency Impedance
+ * VBNL : Instantaneous No-Load Voltage
+ * CMPP : Current Discharge Capability
*/
#define DPTF_POWER_SHOW(name, object) \
static ssize_t name##_show(struct device *dev,\
@@ -39,12 +46,42 @@ DPTF_POWER_SHOW(platform_power_source, PSRC)
DPTF_POWER_SHOW(adapter_rating_mw, ARTG)
DPTF_POWER_SHOW(battery_steady_power_mw, PBSS)
DPTF_POWER_SHOW(charger_type, CTYP)
+DPTF_POWER_SHOW(rest_of_platform_power_mw, PROP)
+DPTF_POWER_SHOW(max_steady_state_power_mw, PBSS)
+DPTF_POWER_SHOW(high_freq_impedance_mohm, RBHF)
+DPTF_POWER_SHOW(no_load_voltage_mv, VBNL)
+DPTF_POWER_SHOW(current_discharge_capbility_ma, CMPP);
static DEVICE_ATTR_RO(max_platform_power_mw);
static DEVICE_ATTR_RO(platform_power_source);
static DEVICE_ATTR_RO(adapter_rating_mw);
static DEVICE_ATTR_RO(battery_steady_power_mw);
static DEVICE_ATTR_RO(charger_type);
+static DEVICE_ATTR_RO(rest_of_platform_power_mw);
+static DEVICE_ATTR_RO(max_steady_state_power_mw);
+static DEVICE_ATTR_RO(high_freq_impedance_mohm);
+static DEVICE_ATTR_RO(no_load_voltage_mv);
+static DEVICE_ATTR_RO(current_discharge_capbility_ma);
+
+static ssize_t prochot_confirm_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct acpi_device *acpi_dev = dev_get_drvdata(dev);
+ acpi_status status;
+ int seq_no;
+
+ if (kstrtouint(buf, 0, &seq_no) < 0)
+ return -EINVAL;
+
+ status = acpi_execute_simple_method(acpi_dev->handle, "PBOK", seq_no);
+ if (ACPI_SUCCESS(status))
+ return count;
+
+ return -EINVAL;
+}
+
+static DEVICE_ATTR_WO(prochot_confirm);
static struct attribute *dptf_power_attrs[] = {
&dev_attr_max_platform_power_mw.attr,
@@ -52,6 +89,8 @@ static struct attribute *dptf_power_attrs[] = {
&dev_attr_adapter_rating_mw.attr,
&dev_attr_battery_steady_power_mw.attr,
&dev_attr_charger_type.attr,
+ &dev_attr_rest_of_platform_power_mw.attr,
+ &dev_attr_prochot_confirm.attr,
NULL
};
@@ -60,10 +99,79 @@ static const struct attribute_group dptf_power_attribute_group = {
.name = "dptf_power"
};
+static struct attribute *dptf_battery_attrs[] = {
+ &dev_attr_max_platform_power_mw.attr,
+ &dev_attr_max_steady_state_power_mw.attr,
+ &dev_attr_high_freq_impedance_mohm.attr,
+ &dev_attr_no_load_voltage_mv.attr,
+ &dev_attr_current_discharge_capbility_ma.attr,
+ NULL
+};
+
+static const struct attribute_group dptf_battery_attribute_group = {
+ .attrs = dptf_battery_attrs,
+ .name = "dptf_battery"
+};
+
+#define MAX_POWER_CHANGED 0x80
+#define POWER_STATE_CHANGED 0x81
+#define STEADY_STATE_POWER_CHANGED 0x83
+#define POWER_PROP_CHANGE_EVENT 0x84
+#define IMPEDANCED_CHNGED 0x85
+#define VOLTAGE_CURRENT_CHANGED 0x86
+
+static long long dptf_participant_type(acpi_handle handle)
+{
+ unsigned long long ptype;
+ acpi_status status;
+
+ status = acpi_evaluate_integer(handle, "PTYP", NULL, &ptype);
+ if (ACPI_FAILURE(status))
+ return -ENODEV;
+
+ return ptype;
+}
+
+static void dptf_power_notify(acpi_handle handle, u32 event, void *data)
+{
+ struct platform_device *pdev = data;
+ char *attr;
+
+ switch (event) {
+ case POWER_STATE_CHANGED:
+ attr = "platform_power_source";
+ break;
+ case POWER_PROP_CHANGE_EVENT:
+ attr = "rest_of_platform_power_mw";
+ break;
+ case MAX_POWER_CHANGED:
+ attr = "max_platform_power_mw";
+ break;
+ case STEADY_STATE_POWER_CHANGED:
+ attr = "max_steady_state_power_mw";
+ break;
+ case VOLTAGE_CURRENT_CHANGED:
+ attr = "no_load_voltage_mv";
+ break;
+ default:
+ dev_err(&pdev->dev, "Unsupported event [0x%x]\n", event);
+ return;
+ }
+
+ /*
+ * Notify that an attribute is changed, so that user space can read
+ * again.
+ */
+ if (dptf_participant_type(handle) == 0x0CULL)
+ sysfs_notify(&pdev->dev.kobj, "dptf_battery", attr);
+ else
+ sysfs_notify(&pdev->dev.kobj, "dptf_power", attr);
+}
+
static int dptf_power_add(struct platform_device *pdev)
{
+ const struct attribute_group *attr_group;
struct acpi_device *acpi_dev;
- acpi_status status;
unsigned long long ptype;
int result;
@@ -71,17 +179,29 @@ static int dptf_power_add(struct platform_device *pdev)
if (!acpi_dev)
return -ENODEV;
- status = acpi_evaluate_integer(acpi_dev->handle, "PTYP", NULL, &ptype);
- if (ACPI_FAILURE(status))
+ ptype = dptf_participant_type(acpi_dev->handle);
+ if (ptype == 0x11)
+ attr_group = &dptf_power_attribute_group;
+ else if (ptype == 0x0C)
+ attr_group = &dptf_battery_attribute_group;
+ else
return -ENODEV;
- if (ptype != 0x11)
- return -ENODEV;
+ result = acpi_install_notify_handler(acpi_dev->handle,
+ ACPI_DEVICE_NOTIFY,
+ dptf_power_notify,
+ (void *)pdev);
+ if (result)
+ return result;
result = sysfs_create_group(&pdev->dev.kobj,
- &dptf_power_attribute_group);
- if (result)
+ attr_group);
+ if (result) {
+ acpi_remove_notify_handler(acpi_dev->handle,
+ ACPI_DEVICE_NOTIFY,
+ dptf_power_notify);
return result;
+ }
platform_set_drvdata(pdev, acpi_dev);
@@ -90,14 +210,23 @@ static int dptf_power_add(struct platform_device *pdev)
static int dptf_power_remove(struct platform_device *pdev)
{
+ struct acpi_device *acpi_dev = platform_get_drvdata(pdev);
+
+ acpi_remove_notify_handler(acpi_dev->handle,
+ ACPI_DEVICE_NOTIFY,
+ dptf_power_notify);
- sysfs_remove_group(&pdev->dev.kobj, &dptf_power_attribute_group);
+ if (dptf_participant_type(acpi_dev->handle) == 0x0CULL)
+ sysfs_remove_group(&pdev->dev.kobj, &dptf_battery_attribute_group);
+ else
+ sysfs_remove_group(&pdev->dev.kobj, &dptf_power_attribute_group);
return 0;
}
static const struct acpi_device_id int3407_device_ids[] = {
{"INT3407", 0},
+ {"INT3532", 0},
{"INTC1047", 0},
{"", 0},
};
diff --git a/drivers/acpi/pmic/intel_pmic_chtdc_ti.c b/drivers/acpi/pmic/intel_pmic_chtdc_ti.c
index 7ccd7d9660bc..a5101b07611a 100644
--- a/drivers/acpi/pmic/intel_pmic_chtdc_ti.c
+++ b/drivers/acpi/pmic/intel_pmic_chtdc_ti.c
@@ -102,6 +102,7 @@ static struct intel_pmic_opregion_data chtdc_ti_pmic_opregion_data = {
.power_table_count = ARRAY_SIZE(chtdc_ti_power_table),
.thermal_table = chtdc_ti_thermal_table,
.thermal_table_count = ARRAY_SIZE(chtdc_ti_thermal_table),
+ .pmic_i2c_address = 0x5e,
};
static int chtdc_ti_pmic_opregion_probe(struct platform_device *pdev)
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index b4994e50608d..2499d7e3c710 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -361,6 +361,16 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_BOARD_NAME, "JV50"),
},
},
+ {
+ /* https://bugzilla.kernel.org/show_bug.cgi?id=207835 */
+ .callback = video_detect_force_native,
+ .ident = "Acer TravelMate 5735Z",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5735Z"),
+ DMI_MATCH(DMI_BOARD_NAME, "BA51_MV"),
+ },
+ },
/*
* Desktops which falsely report a backlight and which our heuristics
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-21 15:52:27 +0300