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[4/4] platform/x86: thinkpad-acpi: Enable AMT by default on supported systems

Message ID 20220603170212.164963-4-markpearson@lenovo.com (mailing list archive)
State Accepted, archived
Headers show
Series [1/4] platform/x86: thinkpad-acpi: profile capabilities as integer | expand

Commit Message

Mark Pearson June 3, 2022, 5:02 p.m. UTC 
By default the ACPI platform profile starts in balanced mode.  On
supported systems AMT is supposed to be enabled in balanced mode
by default.

When checking the capabilities during initialization, set up AMT to be
enabled if it's supported.

Co-developed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
---
 drivers/platform/x86/thinkpad_acpi.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index f11866225ef3..ae819ece9900 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -10597,6 +10597,11 @@  static int tpacpi_dytc_profile_init(struct ibm_init_struct *iibm)
 	/* Ensure initial values are correct */
 	dytc_profile_refresh();
 
+	/* Set AMT correctly now we know current profile */
+	if ((dytc_capabilities & BIT(DYTC_FC_PSC)) &&
+	    (dytc_capabilities & BIT(DYTC_FC_AMT)))
+	    dytc_control_amt(dytc_current_profile == PLATFORM_PROFILE_BALANCED);
+
 	return 0;
 }