Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Received-SPF: Pass (protection.outlook.com: domain of amd.com designates
 165.204.84.17 as permitted sender) receiver=protection.outlook.com;
 client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C
From:   Mario Limonciello <mario.limonciello@amd.com>
To:     "Rafael J . Wysocki" <rafael@kernel.org>
CC:     Len Brown <lenb@kernel.org>, Huang Rui <ray.huang@amd.com>,
        <linux-acpi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linux-pm@vger.kernel.org>,
        Gautham Ranjal Shenoy <gautham.shenoy@amd.com>,
        Wyes Karny <Wyes.Karny@amd.com>,
        Perry Yuan <perry.yuan@amd.com>,
        "Mario Limonciello" <mario.limonciello@amd.com>
Subject: [PATCH v3 1/3] ACPI: CPPC: Add definition for undefined FADT preferred PM profile value
Date:   Tue, 20 Jun 2023 12:24:31 -0500
Message-ID: <20230620172433.21325-2-mario.limonciello@amd.com>
In-Reply-To: <20230620172433.21325-1-mario.limonciello@amd.com>
References: <20230620172433.21325-1-mario.limonciello@amd.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jun 2023 17:27:34.5997
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: c84faec9-dfaa-4622-d534-08db71b3a2bf
X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com]
X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF000015C6.namprd03.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR12MB5749
X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO,
        RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,
        T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=no autolearn_force=no
        version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

In the event a new preferred PM profile value is introduced it's best for
code to be able to defensively guard against it so that the wrong settings
don't get applied on a new system that uses this profile but ancient
kernels.

Acked-by: Huang Rui <ray.huang@amd.com>
Suggested-by: Gautham Ranjal Shenoy <gautham.shenoy@amd.com>
Link: https://uefi.org/htmlspecs/ACPI_Spec_6_4_html/05_ACPI_Software_Programming_Model/ACPI_Software_Programming_Model.html#fixed-acpi-description-table-fadt
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
---
v2->v3:
 * Drop new symbols (they fold into patch 2)
 * Update commit message
 * Add Ray's tag
---
 include/acpi/actbl.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index e5dfb6f4de52..451f6276da49 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -307,7 +307,8 @@ enum acpi_preferred_pm_profiles {
 	PM_SOHO_SERVER = 5,
 	PM_APPLIANCE_PC = 6,
 	PM_PERFORMANCE_SERVER = 7,
-	PM_TABLET = 8
+	PM_TABLET = 8,
+	NR_PM_PROFILES = 9
 };
 
 /* Values for sleep_status and sleep_control registers (V5+ FADT) */
-- 
2.34.1