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-rw-r--r--drivers/acpi/acpica/nswalk.c3
-rw-r--r--drivers/acpi/apei/bert.c10
-rw-r--r--drivers/acpi/apei/erst.c2
-rw-r--r--drivers/acpi/apei/hest.c2
-rw-r--r--drivers/acpi/battery.c12
-rw-r--r--drivers/acpi/bus.c27
-rw-r--r--drivers/acpi/cppc_acpi.c5
-rw-r--r--drivers/acpi/ec.c10
-rw-r--r--drivers/acpi/processor_idle.c23
-rw-r--r--drivers/acpi/property.c2
-rw-r--r--drivers/acpi/sleep.c14
-rw-r--r--drivers/acpi/video_detect.c75
-rw-r--r--drivers/acpi/x86/s2idle.c12
13 files changed, 155 insertions, 42 deletions
diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c
index 915c2433463d..e7c30ce06e18 100644
--- a/drivers/acpi/acpica/nswalk.c
+++ b/drivers/acpi/acpica/nswalk.c
@@ -169,6 +169,9 @@ acpi_ns_walk_namespace(acpi_object_type type,
if (start_node == ACPI_ROOT_OBJECT) {
start_node = acpi_gbl_root_node;
+ if (!start_node) {
+ return_ACPI_STATUS(AE_NO_NAMESPACE);
+ }
}
/* Null child means "get first node" */
diff --git a/drivers/acpi/apei/bert.c b/drivers/acpi/apei/bert.c
index 19e50fcbf4d6..598fd19b65fa 100644
--- a/drivers/acpi/apei/bert.c
+++ b/drivers/acpi/apei/bert.c
@@ -29,6 +29,7 @@
#undef pr_fmt
#define pr_fmt(fmt) "BERT: " fmt
+#define ACPI_BERT_PRINT_MAX_LEN 1024
static int bert_disable;
@@ -58,8 +59,11 @@ static void __init bert_print_all(struct acpi_bert_region *region,
}
pr_info_once("Error records from previous boot:\n");
-
- cper_estatus_print(KERN_INFO HW_ERR, estatus);
+ if (region_len < ACPI_BERT_PRINT_MAX_LEN)
+ cper_estatus_print(KERN_INFO HW_ERR, estatus);
+ else
+ pr_info_once("Max print length exceeded, table data is available at:\n"
+ "/sys/firmware/acpi/tables/data/BERT");
/*
* Because the boot error source is "one-time polled" type,
@@ -77,7 +81,7 @@ static int __init setup_bert_disable(char *str)
{
bert_disable = 1;
- return 0;
+ return 1;
}
__setup("bert_disable", setup_bert_disable);
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 242f3c2d5533..698d67cee052 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -891,7 +891,7 @@ EXPORT_SYMBOL_GPL(erst_clear);
static int __init setup_erst_disable(char *str)
{
erst_disable = 1;
- return 0;
+ return 1;
}
__setup("erst_disable", setup_erst_disable);
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index 277f00b288d1..317bba602ad5 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -223,7 +223,7 @@ err:
static int __init setup_hest_disable(char *str)
{
hest_disable = HEST_DISABLED;
- return 0;
+ return 1;
}
__setup("hest_disable", setup_hest_disable);
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index ead0114f27c9..56db7b4da514 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -60,6 +60,10 @@ MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
static const struct acpi_device_id battery_device_ids[] = {
{"PNP0C0A", 0},
+
+ /* Microsoft Surface Go 3 */
+ {"MSHW0146", 0},
+
{"", 0},
};
@@ -1177,6 +1181,14 @@ static const struct dmi_system_id bat_dmi_table[] __initconst = {
DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad"),
},
},
+ {
+ /* Microsoft Surface Go 3 */
+ .callback = battery_notification_delay_quirk,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Surface Go 3"),
+ },
+ },
{},
};
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index dd535b4b9a16..3500744e6862 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -332,21 +332,32 @@ static void acpi_bus_osc_negotiate_platform_control(void)
if (ACPI_FAILURE(acpi_run_osc(handle, &context)))
return;
- kfree(context.ret.pointer);
+ capbuf_ret = context.ret.pointer;
+ if (context.ret.length <= OSC_SUPPORT_DWORD) {
+ kfree(context.ret.pointer);
+ return;
+ }
- /* Now run _OSC again with query flag clear */
+ /*
+ * Now run _OSC again with query flag clear and with the caps
+ * supported by both the OS and the platform.
+ */
capbuf[OSC_QUERY_DWORD] = 0;
+ capbuf[OSC_SUPPORT_DWORD] = capbuf_ret[OSC_SUPPORT_DWORD];
+ kfree(context.ret.pointer);
if (ACPI_FAILURE(acpi_run_osc(handle, &context)))
return;
capbuf_ret = context.ret.pointer;
- osc_sb_apei_support_acked =
- capbuf_ret[OSC_SUPPORT_DWORD] & OSC_SB_APEI_SUPPORT;
- osc_pc_lpi_support_confirmed =
- capbuf_ret[OSC_SUPPORT_DWORD] & OSC_SB_PCLPI_SUPPORT;
- osc_sb_native_usb4_support_confirmed =
- capbuf_ret[OSC_SUPPORT_DWORD] & OSC_SB_NATIVE_USB4_SUPPORT;
+ if (context.ret.length > OSC_SUPPORT_DWORD) {
+ osc_sb_apei_support_acked =
+ capbuf_ret[OSC_SUPPORT_DWORD] & OSC_SB_APEI_SUPPORT;
+ osc_pc_lpi_support_confirmed =
+ capbuf_ret[OSC_SUPPORT_DWORD] & OSC_SB_PCLPI_SUPPORT;
+ osc_sb_native_usb4_support_confirmed =
+ capbuf_ret[OSC_SUPPORT_DWORD] & OSC_SB_NATIVE_USB4_SUPPORT;
+ }
kfree(context.ret.pointer);
}
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 6fe28a2d387b..71b87c16f92d 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -703,6 +703,11 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
cpc_obj = &out_obj->package.elements[0];
if (cpc_obj->type == ACPI_TYPE_INTEGER) {
num_ent = cpc_obj->integer.value;
+ if (num_ent <= 1) {
+ pr_debug("Unexpected _CPC NumEntries value (%d) for CPU:%d\n",
+ num_ent, pr->id);
+ goto out_free;
+ }
} else {
pr_debug("Unexpected entry type(%d) for NumEntries\n",
cpc_obj->type);
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 98d178227544..9b859ff976e8 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -2052,16 +2052,6 @@ bool acpi_ec_dispatch_gpe(void)
return true;
/*
- * Cancel the SCI wakeup and process all pending events in case there
- * are any wakeup ones in there.
- *
- * Note that if any non-EC GPEs are active at this point, the SCI will
- * retrigger after the rearming in acpi_s2idle_wake(), so no events
- * should be missed by canceling the wakeup here.
- */
- pm_system_cancel_wakeup();
-
- /*
* Dispatch the EC GPE in-band, but do not report wakeup in any case
* to allow the caller to process events properly after that.
*/
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index f37fba9e5ba0..1fd6a4a34c15 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -95,6 +95,11 @@ static const struct dmi_system_id processor_power_dmi_table[] = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
DMI_MATCH(DMI_PRODUCT_NAME,"L8400B series Notebook PC")},
(void *)1},
+ /* T40 can not handle C3 idle state */
+ { set_max_cstate, "IBM ThinkPad T40", {
+ DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "23737CU")},
+ (void *)2},
{},
};
@@ -789,7 +794,8 @@ static int acpi_processor_setup_cstates(struct acpi_processor *pr)
state->enter = acpi_idle_enter;
state->flags = 0;
- if (cx->type == ACPI_STATE_C1 || cx->type == ACPI_STATE_C2) {
+ if (cx->type == ACPI_STATE_C1 || cx->type == ACPI_STATE_C2 ||
+ cx->type == ACPI_STATE_C3) {
state->enter_dead = acpi_idle_play_dead;
drv->safe_state_index = count;
}
@@ -1075,6 +1081,11 @@ static int flatten_lpi_states(struct acpi_processor *pr,
return 0;
}
+int __weak acpi_processor_ffh_lpi_probe(unsigned int cpu)
+{
+ return -EOPNOTSUPP;
+}
+
static int acpi_processor_get_lpi_info(struct acpi_processor *pr)
{
int ret, i;
@@ -1083,6 +1094,11 @@ static int acpi_processor_get_lpi_info(struct acpi_processor *pr)
struct acpi_device *d = NULL;
struct acpi_lpi_states_array info[2], *tmp, *prev, *curr;
+ /* make sure our architecture has support */
+ ret = acpi_processor_ffh_lpi_probe(pr->id);
+ if (ret == -EOPNOTSUPP)
+ return ret;
+
if (!osc_pc_lpi_support_confirmed)
return -EOPNOTSUPP;
@@ -1134,11 +1150,6 @@ static int acpi_processor_get_lpi_info(struct acpi_processor *pr)
return 0;
}
-int __weak acpi_processor_ffh_lpi_probe(unsigned int cpu)
-{
- return -ENODEV;
-}
-
int __weak acpi_processor_ffh_lpi_enter(struct acpi_lpi_state *lpi)
{
return -ENODEV;
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 781e312f4534..11e4c930a981 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -685,7 +685,7 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
*/
if (obj->type == ACPI_TYPE_LOCAL_REFERENCE) {
if (index)
- return -EINVAL;
+ return -ENOENT;
ret = acpi_bus_get_device(obj->reference.handle, &device);
if (ret)
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 245a0fa979cb..7ae09e4b4592 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -739,15 +739,21 @@ bool acpi_s2idle_wake(void)
return true;
}
- /*
- * Check non-EC GPE wakeups and if there are none, cancel the
- * SCI-related wakeup and dispatch the EC GPE.
- */
+ /* Check non-EC GPE wakeups and dispatch the EC GPE. */
if (acpi_ec_dispatch_gpe()) {
pm_pr_dbg("ACPI non-EC GPE wakeup\n");
return true;
}
+ /*
+ * Cancel the SCI wakeup and process all pending events in case
+ * there are any wakeup ones in there.
+ *
+ * Note that if any non-EC GPEs are active at this point, the
+ * SCI will retrigger after the rearming below, so no events
+ * should be missed by canceling the wakeup here.
+ */
+ pm_system_cancel_wakeup();
acpi_os_wait_events_complete();
/*
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 33474fd96991..7b9793cb55c5 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -409,6 +409,81 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "GA503"),
},
},
+ /*
+ * Clevo NL5xRU and NL5xNU/TUXEDO Aura 15 Gen1 and Gen2 have both a
+ * working native and video interface. However the default detection
+ * mechanism first registers the video interface before unregistering
+ * it again and switching to the native interface during boot. This
+ * results in a dangling SBIOS request for backlight change for some
+ * reason, causing the backlight to switch to ~2% once per boot on the
+ * first power cord connect or disconnect event. Setting the native
+ * interface explicitly circumvents this buggy behaviour, by avoiding
+ * the unregistering process.
+ */
+ {
+ .callback = video_detect_force_native,
+ .ident = "Clevo NL5xRU",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
+ DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "Clevo NL5xRU",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "SchenkerTechnologiesGmbH"),
+ DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "Clevo NL5xRU",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
+ DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "Clevo NL5xRU",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
+ DMI_MATCH(DMI_BOARD_NAME, "AURA1501"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "Clevo NL5xRU",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
+ DMI_MATCH(DMI_BOARD_NAME, "EDUBOOK1502"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "Clevo NL5xNU",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
+ DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "Clevo NL5xNU",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "SchenkerTechnologiesGmbH"),
+ DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "Clevo NL5xNU",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
+ DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
+ },
+ },
/*
* Desktops which falsely report a backlight and which our heuristics
diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c
index 1c48358b43ba..e0185e841b2a 100644
--- a/drivers/acpi/x86/s2idle.c
+++ b/drivers/acpi/x86/s2idle.c
@@ -424,15 +424,11 @@ static int lps0_device_attach(struct acpi_device *adev,
mem_sleep_current = PM_SUSPEND_TO_IDLE;
/*
- * Some Intel based LPS0 systems, like ASUS Zenbook UX430UNR/i7-8550U don't
- * use intel-hid or intel-vbtn but require the EC GPE to be enabled while
- * suspended for certain wakeup devices to work, so mark it as wakeup-capable.
- *
- * Only enable on !AMD as enabling this universally causes problems for a number
- * of AMD based systems.
+ * Some LPS0 systems, like ASUS Zenbook UX430UNR/i7-8550U, require the
+ * EC GPE to be enabled while suspended for certain wakeup devices to
+ * work, so mark it as wakeup-capable.
*/
- if (!acpi_s2idle_vendor_amd())
- acpi_ec_mark_gpe_for_wake();
+ acpi_ec_mark_gpe_for_wake();
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-21 23:07:14 +0300