From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tim Chen Subject: [PATCH v7 7/8] acpi: bus: Set _OSC for diverse core support Date: Thu, 10 Nov 2016 14:36:39 -0800 Message-ID: <30b355f2d26746edfdb1ab298f1febebaf035f40.1478805832.git.tim.c.chen@linux.intel.com> References: Return-path: In-Reply-To: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org To: rjw@rjwysocki.net, tglx@linutronix.de, mingo@redhat.com, bp@suse.de Cc: Srinivas Pandruvada , x86@kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, peterz@infradead.org, Tim Chen , jolsa@redhat.com List-Id: linux-acpi@vger.kernel.org From: Srinivas Pandruvada 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 Signed-off-by: Tim Chen --- 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 2f381ba..806db0d 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -338,6 +338,9 @@ 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 689a8b9..639fc63 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -469,6 +469,7 @@ 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; -- 2.5.5