4.16-stable review patch. If anyone has any objections, please let me know.
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From: Chen Yu yu.c.chen@intel.com
[ Upstream commit 855c1c2fce8bdbd796cba1d1456ca8f0e876c2f1 ]
ThinkPad X1 Tablet(2016) is reported to have issues with the Low Power S0 Idle _DSM interface and since this machine model generally can do ACPI S3 just fine, and user would like to use S3 as default sleep model, add a blacklist entry to disable that interface for ThinkPad X1 Tablet(2016).
Link: https://bugzilla.kernel.org/show_bug.cgi?id=199057 Reported-and-tested-by: Robin Lee robinlee.sysu@gmail.com Signed-off-by: Chen Yu yu.c.chen@intel.com Signed-off-by: Rafael J. Wysocki rafael.j.wysocki@intel.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/acpi/sleep.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
--- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -364,6 +364,19 @@ static const struct dmi_system_id acpisl DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"), }, }, + /* + * ThinkPad X1 Tablet(2016) cannot do suspend-to-idle using + * the Low Power S0 Idle firmware interface (see + * https://bugzilla.kernel.org/show_bug.cgi?id=199057). + */ + { + .callback = init_no_lps0, + .ident = "ThinkPad X1 Tablet(2016)", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20GGA00L00"), + }, + }, {}, };