diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-10-31 19:20:41 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2021-01-31 22:21:04 +0000 |
| commit | f590b2f632759267df83a735f152442e750f275d (patch) | |
| tree | cb3bfd6a36b3d6671ba11ac8886ae267c12d7998 | |
| parent | 3bef31b4c931dad1cf46fa8a8e071b6ae6452d56 (diff) | |
HAX suspend: Disable S3/S4 for fi-bdw-samus
| -rw-r--r-- | drivers/acpi/sleep.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 09fd13757b65..7e2a01773aeb 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -80,11 +80,16 @@ static int acpi_sleep_prepare(u32 acpi_state) return 0; } +static u8 max_sleep_state = -1; + bool acpi_sleep_state_supported(u8 sleep_state) { acpi_status status; u8 type_a, type_b; + if (sleep_state > max_sleep_state) + return false; + status = acpi_get_sleep_type_data(sleep_state, &type_a, &type_b); return ACPI_SUCCESS(status) && (!acpi_gbl_reduced_hardware || (acpi_gbl_FADT.sleep_control.address @@ -161,6 +166,13 @@ static int __init init_nvs_nosave(const struct dmi_system_id *d) return 0; } +static int __init init_nosleep(const struct dmi_system_id *d) +{ + pr_info("Disabling ACPI suspend\n"); + max_sleep_state = 0; + return 0; +} + bool acpi_sleep_default_s3; static int __init init_default_s3(const struct dmi_system_id *d) @@ -373,6 +385,15 @@ static const struct dmi_system_id acpisleep_dmi_table[] __initconst = { DMI_MATCH(DMI_PRODUCT_NAME, "20GGA00L00"), }, }, + + { + .callback = init_nosleep, + .ident = "samus", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), + DMI_MATCH(DMI_PRODUCT_NAME, "Samus"), + }, + }, {}, }; |