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-rw-r--r--drivers/acpi/x86/s2idle.c173
1 files changed, 145 insertions, 28 deletions
diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c
index f9ac12b778e6..5350c73564b6 100644
--- a/drivers/acpi/x86/s2idle.c
+++ b/drivers/acpi/x86/s2idle.c
@@ -17,6 +17,7 @@
#include <linux/acpi.h>
#include <linux/device.h>
+#include <linux/dmi.h>
#include <linux/suspend.h>
#include "../sleep.h"
@@ -27,6 +28,10 @@ static bool sleep_no_lps0 __read_mostly;
module_param(sleep_no_lps0, bool, 0644);
MODULE_PARM_DESC(sleep_no_lps0, "Do not use the special LPS0 device interface");
+static bool prefer_microsoft_dsm_guid __read_mostly;
+module_param(prefer_microsoft_dsm_guid, bool, 0644);
+MODULE_PARM_DESC(prefer_microsoft_dsm_guid, "Prefer using Microsoft GUID in LPS0 device _DSM evaluation");
+
static const struct acpi_device_id lps0_device_ids[] = {
{"PNP0D80", },
{"", },
@@ -363,40 +368,132 @@ out:
return ret;
}
+struct amd_lps0_hid_device_data {
+ const unsigned int rev_id;
+ const bool check_off_by_one;
+ const bool prefer_amd_guid;
+};
+
+static const struct amd_lps0_hid_device_data amd_picasso = {
+ .rev_id = 0,
+ .check_off_by_one = true,
+ .prefer_amd_guid = false,
+};
+
+static const struct amd_lps0_hid_device_data amd_cezanne = {
+ .rev_id = 0,
+ .check_off_by_one = false,
+ .prefer_amd_guid = false,
+};
+
+static const struct amd_lps0_hid_device_data amd_rembrandt = {
+ .rev_id = 2,
+ .check_off_by_one = false,
+ .prefer_amd_guid = true,
+};
+
+static const struct acpi_device_id amd_hid_ids[] = {
+ {"AMD0004", (kernel_ulong_t)&amd_picasso, },
+ {"AMD0005", (kernel_ulong_t)&amd_picasso, },
+ {"AMDI0005", (kernel_ulong_t)&amd_picasso, },
+ {"AMDI0006", (kernel_ulong_t)&amd_cezanne, },
+ {"AMDI0007", (kernel_ulong_t)&amd_rembrandt, },
+ {}
+};
+
+static int lps0_prefer_microsoft(const struct dmi_system_id *id)
+{
+ pr_debug("Preferring Microsoft GUID.\n");
+ prefer_microsoft_dsm_guid = true;
+ return 0;
+}
+
+static const struct dmi_system_id s2idle_dmi_table[] __initconst = {
+ {
+ /*
+ * ASUS TUF Gaming A17 FA707RE
+ * https://bugzilla.kernel.org/show_bug.cgi?id=216101
+ */
+ .callback = lps0_prefer_microsoft,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ASUS TUF Gaming A17"),
+ },
+ },
+ {
+ /* ASUS ROG Zephyrus G14 (2022) */
+ .callback = lps0_prefer_microsoft,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ROG Zephyrus G14 GA402"),
+ },
+ },
+ {
+ /*
+ * Lenovo Yoga Slim 7 Pro X 14ARH7
+ * https://bugzilla.kernel.org/show_bug.cgi?id=216473 : 82V2
+ * https://bugzilla.kernel.org/show_bug.cgi?id=216438 : 82TL
+ */
+ .callback = lps0_prefer_microsoft,
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "82"),
+ },
+ },
+ {
+ /*
+ * ASUSTeK COMPUTER INC. ROG Flow X13 GV301RE_GV301RE
+ * https://gitlab.freedesktop.org/drm/amd/-/issues/2148
+ */
+ .callback = lps0_prefer_microsoft,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ROG Flow X13 GV301"),
+ },
+ },
+ {
+ /*
+ * ASUSTeK COMPUTER INC. ROG Flow X16 GV601RW_GV601RW
+ * https://gitlab.freedesktop.org/drm/amd/-/issues/2148
+ */
+ .callback = lps0_prefer_microsoft,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ROG Flow X16 GV601"),
+ },
+ },
+ {}
+};
+
static int lps0_device_attach(struct acpi_device *adev,
const struct acpi_device_id *not_used)
{
if (lps0_device_handle)
return 0;
+ lps0_dsm_func_mask_microsoft = validate_dsm(adev->handle,
+ ACPI_LPS0_DSM_UUID_MICROSOFT, 0,
+ &lps0_dsm_guid_microsoft);
if (acpi_s2idle_vendor_amd()) {
- /* AMD0004, AMD0005, AMDI0005:
- * - Should use rev_id 0x0
- * - function mask > 0x3: Should use AMD method, but has off by one bug
- * - function mask = 0x3: Should use Microsoft method
- * AMDI0006:
- * - should use rev_id 0x0
- * - function mask = 0x3: Should use Microsoft method
- * AMDI0007:
- * - Should use rev_id 0x2
- * - Should only use AMD method
- */
- const char *hid = acpi_device_hid(adev);
- rev_id = strcmp(hid, "AMDI0007") ? 0 : 2;
+ static const struct acpi_device_id *dev_id;
+ const struct amd_lps0_hid_device_data *data;
+
+ for (dev_id = &amd_hid_ids[0]; dev_id->id[0]; dev_id++)
+ if (acpi_dev_hid_uid_match(adev, dev_id->id, NULL))
+ break;
+ if (dev_id->id[0])
+ data = (const struct amd_lps0_hid_device_data *) dev_id->driver_data;
+ else
+ data = &amd_rembrandt;
+ rev_id = data->rev_id;
lps0_dsm_func_mask = validate_dsm(adev->handle,
ACPI_LPS0_DSM_UUID_AMD, rev_id, &lps0_dsm_guid);
- lps0_dsm_func_mask_microsoft = validate_dsm(adev->handle,
- ACPI_LPS0_DSM_UUID_MICROSOFT, 0,
- &lps0_dsm_guid_microsoft);
- if (lps0_dsm_func_mask > 0x3 && (!strcmp(hid, "AMD0004") ||
- !strcmp(hid, "AMD0005") ||
- !strcmp(hid, "AMDI0005"))) {
+ if (lps0_dsm_func_mask > 0x3 && data->check_off_by_one) {
lps0_dsm_func_mask = (lps0_dsm_func_mask << 1) | 0x1;
acpi_handle_debug(adev->handle, "_DSM UUID %s: Adjusted function mask: 0x%x\n",
ACPI_LPS0_DSM_UUID_AMD, lps0_dsm_func_mask);
- } else if (lps0_dsm_func_mask_microsoft > 0 &&
- (!strcmp(hid, "AMDI0007") ||
- !strcmp(hid, "AMDI0008"))) {
+ } else if (lps0_dsm_func_mask_microsoft > 0 && data->prefer_amd_guid &&
+ !prefer_microsoft_dsm_guid) {
lps0_dsm_func_mask_microsoft = -EINVAL;
acpi_handle_debug(adev->handle, "_DSM Using AMD method\n");
}
@@ -404,7 +501,8 @@ static int lps0_device_attach(struct acpi_device *adev,
rev_id = 1;
lps0_dsm_func_mask = validate_dsm(adev->handle,
ACPI_LPS0_DSM_UUID, rev_id, &lps0_dsm_guid);
- lps0_dsm_func_mask_microsoft = -EINVAL;
+ if (!prefer_microsoft_dsm_guid)
+ lps0_dsm_func_mask_microsoft = -EINVAL;
}
if (lps0_dsm_func_mask < 0 && lps0_dsm_func_mask_microsoft < 0)
@@ -486,6 +584,19 @@ int acpi_s2idle_prepare_late(void)
return 0;
}
+void acpi_s2idle_check(void)
+{
+ struct acpi_s2idle_dev_ops *handler;
+
+ if (!lps0_device_handle || sleep_no_lps0)
+ return;
+
+ list_for_each_entry(handler, &lps0_s2idle_devops_head, list_node) {
+ if (handler->check)
+ handler->check();
+ }
+}
+
void acpi_s2idle_restore_early(void)
{
struct acpi_s2idle_dev_ops *handler;
@@ -527,26 +638,30 @@ static const struct platform_s2idle_ops acpi_s2idle_ops_lps0 = {
.begin = acpi_s2idle_begin,
.prepare = acpi_s2idle_prepare,
.prepare_late = acpi_s2idle_prepare_late,
+ .check = acpi_s2idle_check,
.wake = acpi_s2idle_wake,
.restore_early = acpi_s2idle_restore_early,
.restore = acpi_s2idle_restore,
.end = acpi_s2idle_end,
};
-void acpi_s2idle_setup(void)
+void __init acpi_s2idle_setup(void)
{
+ dmi_check_system(s2idle_dmi_table);
acpi_scan_add_handler(&lps0_handler);
s2idle_set_ops(&acpi_s2idle_ops_lps0);
}
int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg)
{
+ unsigned int sleep_flags;
+
if (!lps0_device_handle || sleep_no_lps0)
return -ENODEV;
- lock_system_sleep();
+ sleep_flags = lock_system_sleep();
list_add(&arg->list_node, &lps0_s2idle_devops_head);
- unlock_system_sleep();
+ unlock_system_sleep(sleep_flags);
return 0;
}
@@ -554,12 +669,14 @@ EXPORT_SYMBOL_GPL(acpi_register_lps0_dev);
void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg)
{
+ unsigned int sleep_flags;
+
if (!lps0_device_handle || sleep_no_lps0)
return;
- lock_system_sleep();
+ sleep_flags = lock_system_sleep();
list_del(&arg->list_node);
- unlock_system_sleep();
+ unlock_system_sleep(sleep_flags);
}
EXPORT_SYMBOL_GPL(acpi_unregister_lps0_dev);
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