Commit-ID: 8b533a0eeefc5861cea57163dd3cec2798a77f6c Gitweb: http://git.kernel.org/tip/8b533a0eeefc5861cea57163dd3cec2798a77f6c Author: Srinivas Pandruvada <srinivas.pandruv...@linux.intel.com> AuthorDate: Tue, 22 Nov 2016 12:23:59 -0800 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Thu, 24 Nov 2016 20:44:20 +0100
acpi/bus: Set _OSC for diverse core support Set the OSC_SB_CPC_DIVERSE_HIGH_SUPPORT (bit 12) to enable diverse core support. This is required to enable the BIOS support of the Intel Turbo Boost Max Technology 3.0 feature. Signed-off-by: Srinivas Pandruvada <srinivas.pandruv...@linux.intel.com> Signed-off-by: Tim Chen <tim.c.c...@linux.intel.com> Cc: linux...@vger.kernel.org Cc: pet...@infradead.org Cc: jo...@redhat.com Cc: r...@rjwysocki.net Cc: linux-a...@vger.kernel.org Cc: b...@suse.de Link: http://lkml.kernel.org/r/a023623a727e86040a1715797055f6402caefd7e.1479844244.git.tim.c.c...@linux.intel.com Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- 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 61a3d90..0510237 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;
