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Diffstat (limited to 'drivers/acpi/x86')
-rw-r--r--drivers/acpi/x86/s2idle.c66
-rw-r--r--drivers/acpi/x86/utils.c26
2 files changed, 74 insertions, 18 deletions
diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c
index e499c60c4579..ce62e61a9605 100644
--- a/drivers/acpi/x86/s2idle.c
+++ b/drivers/acpi/x86/s2idle.c
@@ -59,6 +59,7 @@ static int lps0_dsm_func_mask;
static guid_t lps0_dsm_guid_microsoft;
static int lps0_dsm_func_mask_microsoft;
+static int lps0_dsm_state;
/* Device constraint entry structure */
struct lpi_device_info {
@@ -320,6 +321,44 @@ static void lpi_check_constraints(void)
}
}
+static bool acpi_s2idle_vendor_amd(void)
+{
+ return boot_cpu_data.x86_vendor == X86_VENDOR_AMD;
+}
+
+static const char *acpi_sleep_dsm_state_to_str(unsigned int state)
+{
+ if (lps0_dsm_func_mask_microsoft || !acpi_s2idle_vendor_amd()) {
+ switch (state) {
+ case ACPI_LPS0_SCREEN_OFF:
+ return "screen off";
+ case ACPI_LPS0_SCREEN_ON:
+ return "screen on";
+ case ACPI_LPS0_ENTRY:
+ return "lps0 entry";
+ case ACPI_LPS0_EXIT:
+ return "lps0 exit";
+ case ACPI_LPS0_MS_ENTRY:
+ return "lps0 ms entry";
+ case ACPI_LPS0_MS_EXIT:
+ return "lps0 ms exit";
+ }
+ } else {
+ switch (state) {
+ case ACPI_LPS0_SCREEN_ON_AMD:
+ return "screen on";
+ case ACPI_LPS0_SCREEN_OFF_AMD:
+ return "screen off";
+ case ACPI_LPS0_ENTRY_AMD:
+ return "lps0 entry";
+ case ACPI_LPS0_EXIT_AMD:
+ return "lps0 exit";
+ }
+ }
+
+ return "unknown";
+}
+
static void acpi_sleep_run_lps0_dsm(unsigned int func, unsigned int func_mask, guid_t dsm_guid)
{
union acpi_object *out_obj;
@@ -331,14 +370,15 @@ static void acpi_sleep_run_lps0_dsm(unsigned int func, unsigned int func_mask, g
rev_id, func, NULL);
ACPI_FREE(out_obj);
- acpi_handle_debug(lps0_device_handle, "_DSM function %u evaluation %s\n",
- func, out_obj ? "successful" : "failed");
+ lps0_dsm_state = func;
+ if (pm_debug_messages_on) {
+ acpi_handle_info(lps0_device_handle,
+ "%s transitioned to state %s\n",
+ out_obj ? "Successfully" : "Failed to",
+ acpi_sleep_dsm_state_to_str(lps0_dsm_state));
+ }
}
-static bool acpi_s2idle_vendor_amd(void)
-{
- return boot_cpu_data.x86_vendor == X86_VENDOR_AMD;
-}
static int validate_dsm(acpi_handle handle, const char *uuid, int rev, guid_t *dsm_guid)
{
@@ -485,11 +525,11 @@ int acpi_s2idle_prepare_late(void)
ACPI_LPS0_ENTRY,
lps0_dsm_func_mask, lps0_dsm_guid);
if (lps0_dsm_func_mask_microsoft > 0) {
- acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY,
- lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
/* modern standby entry */
acpi_sleep_run_lps0_dsm(ACPI_LPS0_MS_ENTRY,
lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY,
+ lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
}
list_for_each_entry(handler, &lps0_s2idle_devops_head, list_node) {
@@ -524,11 +564,6 @@ void acpi_s2idle_restore_early(void)
if (handler->restore)
handler->restore();
- /* Modern standby exit */
- if (lps0_dsm_func_mask_microsoft > 0)
- acpi_sleep_run_lps0_dsm(ACPI_LPS0_MS_EXIT,
- lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
-
/* LPS0 exit */
if (lps0_dsm_func_mask > 0)
acpi_sleep_run_lps0_dsm(acpi_s2idle_vendor_amd() ?
@@ -539,6 +574,11 @@ void acpi_s2idle_restore_early(void)
acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT,
lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
+ /* Modern standby exit */
+ if (lps0_dsm_func_mask_microsoft > 0)
+ acpi_sleep_run_lps0_dsm(ACPI_LPS0_MS_EXIT,
+ lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft);
+
/* Screen on */
if (lps0_dsm_func_mask_microsoft > 0)
acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_ON,
diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c
index 9c2d6f35f88a..c2b925f8cd4e 100644
--- a/drivers/acpi/x86/utils.c
+++ b/drivers/acpi/x86/utils.c
@@ -259,10 +259,11 @@ bool force_storage_d3(void)
* drivers/platform/x86/x86-android-tablets.c kernel module.
*/
#define ACPI_QUIRK_SKIP_I2C_CLIENTS BIT(0)
-#define ACPI_QUIRK_UART1_TTY_UART2_SKIP BIT(1)
-#define ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY BIT(2)
-#define ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY BIT(3)
-#define ACPI_QUIRK_SKIP_GPIO_EVENT_HANDLERS BIT(4)
+#define ACPI_QUIRK_UART1_SKIP BIT(1)
+#define ACPI_QUIRK_UART1_TTY_UART2_SKIP BIT(2)
+#define ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY BIT(3)
+#define ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY BIT(4)
+#define ACPI_QUIRK_SKIP_GPIO_EVENT_HANDLERS BIT(5)
static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = {
/*
@@ -319,6 +320,7 @@ static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = {
DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "YETI-11"),
},
.driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
+ ACPI_QUIRK_UART1_SKIP |
ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY |
ACPI_QUIRK_SKIP_GPIO_EVENT_HANDLERS),
},
@@ -365,7 +367,7 @@ static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = {
ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
},
{
- /* Nextbook Ares 8 */
+ /* Nextbook Ares 8 (BYT version)*/
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
DMI_MATCH(DMI_PRODUCT_NAME, "M890BAP"),
@@ -375,6 +377,16 @@ static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = {
ACPI_QUIRK_SKIP_GPIO_EVENT_HANDLERS),
},
{
+ /* Nextbook Ares 8A (CHT version)*/
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),
+ DMI_MATCH(DMI_BIOS_VERSION, "M882"),
+ },
+ .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
+ ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
+ },
+ {
/* Whitelabel (sold as various brands) TM800A550L */
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
@@ -392,6 +404,7 @@ static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = {
#if IS_ENABLED(CONFIG_X86_ANDROID_TABLETS)
static const struct acpi_device_id i2c_acpi_known_good_ids[] = {
{ "10EC5640", 0 }, /* RealTek ALC5640 audio codec */
+ { "10EC5651", 0 }, /* RealTek ALC5651 audio codec */
{ "INT33F4", 0 }, /* X-Powers AXP288 PMIC */
{ "INT33FD", 0 }, /* Intel Crystal Cove PMIC */
{ "INT34D3", 0 }, /* Intel Whiskey Cove PMIC */
@@ -438,6 +451,9 @@ int acpi_quirk_skip_serdev_enumeration(struct device *controller_parent, bool *s
if (dmi_id)
quirks = (unsigned long)dmi_id->driver_data;
+ if ((quirks & ACPI_QUIRK_UART1_SKIP) && uid == 1)
+ *skip = true;
+
if (quirks & ACPI_QUIRK_UART1_TTY_UART2_SKIP) {
if (uid == 1)
return -ENODEV; /* Create tty cdev instead of serdev */