summaryrefslogtreecommitdiff
path: root/drivers/platform/x86/amd/pmf/acpi.c
diff options
context:
space:
mode:
authorShyam Sundar S K <Shyam-sundar.S-k@amd.com>2023-07-14 20:14:35 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-08-03 10:23:47 +0200
commitfd14866ebedd4a395455655f763a6c40703d1100 (patch)
tree3fd93c5c2c791c06600f287d766154336c6235a6 /drivers/platform/x86/amd/pmf/acpi.c
parentb068314fd8ce751a7f906e55bb90f3551815f1a0 (diff)
downloadlinux-fd14866ebedd4a395455655f763a6c40703d1100.tar.gz
linux-fd14866ebedd4a395455655f763a6c40703d1100.tar.bz2
linux-fd14866ebedd4a395455655f763a6c40703d1100.zip
platform/x86/amd/pmf: Notify OS power slider update
commit 33c9ab5b493a0e922b06c12fed4fdcb862212cda upstream. APMF fn8 can notify EC about the OS slider position change. Add this capability to the PMF driver so that it can call the APMF fn8 based on the changes in the Platform profile events. Co-developed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@amd.com> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Link: https://lore.kernel.org/r/20230714144435.1239776-2-Shyam-sundar.S-k@amd.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/platform/x86/amd/pmf/acpi.c')
-rw-r--r--drivers/platform/x86/amd/pmf/acpi.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/platform/x86/amd/pmf/acpi.c b/drivers/platform/x86/amd/pmf/acpi.c
index 081e84e116e7..ce309b00d654 100644
--- a/drivers/platform/x86/amd/pmf/acpi.c
+++ b/drivers/platform/x86/amd/pmf/acpi.c
@@ -106,6 +106,27 @@ int apmf_get_static_slider_granular(struct amd_pmf_dev *pdev,
data, sizeof(*data));
}
+int apmf_os_power_slider_update(struct amd_pmf_dev *pdev, u8 event)
+{
+ struct os_power_slider args;
+ struct acpi_buffer params;
+ union acpi_object *info;
+ int err = 0;
+
+ args.size = sizeof(args);
+ args.slider_event = event;
+
+ params.length = sizeof(args);
+ params.pointer = (void *)&args;
+
+ info = apmf_if_call(pdev, APMF_FUNC_OS_POWER_SLIDER_UPDATE, &params);
+ if (!info)
+ err = -EIO;
+
+ kfree(info);
+ return err;
+}
+
static void apmf_sbios_heartbeat_notify(struct work_struct *work)
{
struct amd_pmf_dev *dev = container_of(work, struct amd_pmf_dev, heart_beat.work);