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From:   Mario Limonciello <mario.limonciello@amd.com>
To:     <rafael@kernel.org>, <linux-kernel@vger.kernel.org>
CC:     <catalin@antebit.com>, <Shyam-sundar.S-k@amd.com>,
        Mario Limonciello <mario.limonciello@amd.com>,
        Len Brown <lenb@kernel.org>, <linux-acpi@vger.kernel.org>
Subject: [PATCH 4/4] acpi/x86: s2idle: Add a quirk for ASUS TUF Gaming A17 FA707RE
Date:   Fri, 9 Sep 2022 13:05:09 -0500
Message-ID: <20220909180509.638-5-mario.limonciello@amd.com>
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ASUS TUF Gaming A17 FA707RE has problems with ACPI events after
s2idle resume.  It's from a missing call to an ASL method in AMD
the s2idle calling path. Force the system to use the Microsoft
Modern Standby calling path instead.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216101
Reported-and-tested-by: catalin@antebit.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
---
 drivers/acpi/x86/s2idle.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c
index a9b0f2b54a1c..6a2c94fdbeae 100644
--- a/drivers/acpi/x86/s2idle.c
+++ b/drivers/acpi/x86/s2idle.c
@@ -17,6 +17,7 @@
 
 #include <linux/acpi.h>
 #include <linux/device.h>
+#include <linux/dmi.h>
 #include <linux/suspend.h>
 
 #include "../sleep.h"
@@ -400,6 +401,28 @@ static const struct acpi_device_id amd_hid_ids[] = {
 	{}
 };
 
+static int lps0_prefer_microsoft(const struct dmi_system_id *id)
+{
+	pr_debug("Preferring Microsoft GUID.\n");
+	prefer_microsoft_guid = true;
+	return 0;
+}
+
+static const struct dmi_system_id s2idle_dmi_table[] __initconst = {
+	{
+		/*
+		 * ASUS TUF Gaming A17 FA707RE
+		 * https://bugzilla.kernel.org/show_bug.cgi?id=216101
+		 */
+		.callback = lps0_prefer_microsoft,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "ASUS TUF Gaming A17"),
+		},
+	},
+	{}
+};
+
 static int lps0_device_attach(struct acpi_device *adev,
 			      const struct acpi_device_id *not_used)
 {
@@ -568,6 +591,7 @@ static const struct platform_s2idle_ops acpi_s2idle_ops_lps0 = {
 
 void acpi_s2idle_setup(void)
 {
+	dmi_check_system(s2idle_dmi_table);
 	acpi_scan_add_handler(&lps0_handler);
 	s2idle_set_ops(&acpi_s2idle_ops_lps0);
 }
-- 
2.34.1