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| author |  Mario Limonciello <mario.limonciello@amd.com>
| 2023-06-01 18:39:53 -0500 |
|---|---|---|
| committer |  Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| 2023-06-05 19:23:05 +0200 |
| commit | f198478cfdc8105a1c8d8945918904f0498d19be (patch) | |
| tree | 58f77ea30a276f630d84037e48e9856d40e227d6 | |
| parent | ACPI: PM: s2idle: fix section mismatch warning (diff) | |
| download | linux-f198478cfdc8105a1c8d8945918904f0498d19be.tar.gz linux-f198478cfdc8105a1c8d8945918904f0498d19be.tar.bz2 linux-f198478cfdc8105a1c8d8945918904f0498d19be.zip | |
ACPI: x86: s2idle: Adjust Microsoft LPS0 _DSM handling sequence
In Windows the Microsoft _DSM doesn't call functions 3->5->7 for suspend
and 8->6->4 for resume like Linux currently does.
Rather it calls 3->7->5 for suspend and 6->8->4 for resume.
Align this calling order for Linux as well.
Link: https://learn.microsoft.com/en-us/windows-hardware/design/device-experiences/modern-standby-states
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/acpi/x86/s2idle.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c index e499c60c4579..7214197c15a0 100644 --- a/drivers/acpi/x86/s2idle.c +++ b/drivers/acpi/x86/s2idle.c @@ -485,11 +485,11 @@ 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 +524,6 @@ 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 +534,11 @@ 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, |