Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751827AbcJALq1 (ORCPT ); Sat, 1 Oct 2016 07:46:27 -0400 Received: from mga03.intel.com ([134.134.136.65]:31235 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751136AbcJALqI (ORCPT ); Sat, 1 Oct 2016 07:46:08 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,426,1473145200"; d="scan'208";a="1059147137" From: Srinivas Pandruvada To: rjw@rjwysocki.net, tglx@linutronix.de, mingo@redhat.com, bp@suse.de Cc: x86@kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, peterz@infradead.org, tim.c.chen@linux.intel.com, jolsa@redhat.com, Srinivas Pandruvada Subject: [PATCH v5 8/9] acpi: bus: Set _OSC for diverse core support Date: Sat, 1 Oct 2016 04:45:25 -0700 Message-Id: <1475322326-160112-9-git-send-email-srinivas.pandruvada@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1475322326-160112-1-git-send-email-srinivas.pandruvada@linux.intel.com> References: <1475322326-160112-1-git-send-email-srinivas.pandruvada@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1309 Lines: 40 Set the OSC_SB_CPC_DIVERSE_HIGH_SUPPORT (bit 12) to enable diverse core support. This is required to inform BIOS the support of Intel Turbo Boost Max Technology 3.0 feature. Signed-off-by: Srinivas Pandruvada --- drivers/acpi/bus.c | 3 +++ include/linux/acpi.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 61643a5..8ab6ec2 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -337,6 +337,9 @@ static void acpi_bus_osc_support(void) } #endif + if (IS_ENABLED(CONFIG_SCHED_ITMT)) + capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_CPC_DIVERSE_HIGH_SUPPORT; + if (!ghes_disable) capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_APEI_SUPPORT; if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle))) diff --git a/include/linux/acpi.h b/include/linux/acpi.h index e746552..53841a2 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -462,6 +462,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); #define OSC_SB_CPCV2_SUPPORT 0x00000040 #define OSC_SB_PCLPI_SUPPORT 0x00000080 #define OSC_SB_OSLPI_SUPPORT 0x00000100 +#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 extern bool osc_sb_apei_support_acked; extern bool osc_pc_lpi_support_confirmed; -- 2.7.4