diff options
| author | Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> | 2016-11-22 23:23:59 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-11-24 22:44:20 +0300 |
| commit | 8b533a0eeefc5861cea57163dd3cec2798a77f6c (patch) | |
| tree | bc90e65cd6db3fa21df8359076154ce9cdf6aa07 | |
| parent | 5c2832e91a3ed45f35531ae1c5afba8eac22c81f (diff) | |
| download | linux-8b533a0eeefc5861cea57163dd3cec2798a77f6c.tar.xz | |
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.pandruvada@linux.intel.com>
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Cc: linux-pm@vger.kernel.org
Cc: peterz@infradead.org
Cc: jolsa@redhat.com
Cc: rjw@rjwysocki.net
Cc: linux-acpi@vger.kernel.org
Cc: bp@suse.de
Link: http://lkml.kernel.org/r/a023623a727e86040a1715797055f6402caefd7e.1479844244.git.tim.c.chen@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | drivers/acpi/bus.c | 3 | ||||
| -rw-r--r-- | include/linux/acpi.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 2f381ba1e1f2..806db0d6e6e8 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 61a3d90f32b3..051023756520 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; |