* [PATCH] ACPI: save NVS memory for Lenovo G40-45
@ 2022-06-22 7:42 Manyi Li
2022-06-29 17:53 ` Rafael J. Wysocki
0 siblings, 1 reply; 2+ messages in thread
From: Manyi Li @ 2022-06-22 7:42 UTC (permalink / raw)
To: rafael, lenb; +Cc: linux-acpi, linux-kernel, Manyi Li
[821d6f0359b0614792ab8e2fb93b503e25a65079] is to make machines
produced from 2012 to now not saving NVS region to accelerate S3.
But, Lenovo G40-45, a platform released in 2015, still needs NVS memory
saving during S3. A quirk is introduced for this platform.
Signed-off-by: Manyi Li <limanyi@uniontech.com>
---
drivers/acpi/sleep.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 04ea1569df78..974746e6e59d 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -360,6 +360,14 @@ static const struct dmi_system_id acpisleep_dmi_table[] __initconst = {
DMI_MATCH(DMI_PRODUCT_NAME, "80E3"),
},
},
+ {
+ .callback = init_nvs_save_s3,
+ .ident = "Lenovo G40-45",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "80E1"),
+ },
+ },
/*
* ThinkPad X1 Tablet(2016) cannot do suspend-to-idle using
* the Low Power S0 Idle firmware interface (see
--
2.20.1
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] ACPI: save NVS memory for Lenovo G40-45
2022-06-22 7:42 [PATCH] ACPI: save NVS memory for Lenovo G40-45 Manyi Li
@ 2022-06-29 17:53 ` Rafael J. Wysocki
0 siblings, 0 replies; 2+ messages in thread
From: Rafael J. Wysocki @ 2022-06-29 17:53 UTC (permalink / raw)
To: Manyi Li
Cc: Rafael J. Wysocki, Len Brown, ACPI Devel Maling List,
Linux Kernel Mailing List
On Wed, Jun 22, 2022 at 9:43 AM Manyi Li <limanyi@uniontech.com> wrote:
>
> [821d6f0359b0614792ab8e2fb93b503e25a65079] is to make machines
> produced from 2012 to now not saving NVS region to accelerate S3.
>
> But, Lenovo G40-45, a platform released in 2015, still needs NVS memory
> saving during S3. A quirk is introduced for this platform.
>
> Signed-off-by: Manyi Li <limanyi@uniontech.com>
> ---
> drivers/acpi/sleep.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
> index 04ea1569df78..974746e6e59d 100644
> --- a/drivers/acpi/sleep.c
> +++ b/drivers/acpi/sleep.c
> @@ -360,6 +360,14 @@ static const struct dmi_system_id acpisleep_dmi_table[] __initconst = {
> DMI_MATCH(DMI_PRODUCT_NAME, "80E3"),
> },
> },
> + {
> + .callback = init_nvs_save_s3,
> + .ident = "Lenovo G40-45",
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> + DMI_MATCH(DMI_PRODUCT_NAME, "80E1"),
> + },
> + },
> /*
> * ThinkPad X1 Tablet(2016) cannot do suspend-to-idle using
> * the Low Power S0 Idle firmware interface (see
> --
Applied as 5.20 material, thanks!
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-06-29 17:53 ` Rafael J. Wysocki
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