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| author |   Prakash, Prashanth <pprakash@codeaurora.org> | 2016-08-16 14:39:41 -0600 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-08-31 01:02:33 +0200 |
| commit | be8b88d7d9877114172b32817d8eb3e85d3d8f99 (patch) | |
| tree | 46cfd3c473ffcf900680952a437d137355eef6a2 /include/acpi | |
| parent | ACPI / CPPC: support for batching CPPC requests (diff) | |
| download | linux-dev-be8b88d7d9877114172b32817d8eb3e85d3d8f99.tar.xz linux-dev-be8b88d7d9877114172b32817d8eb3e85d3d8f99.zip | |
ACPI / CPPC: set a non-zero value for transition_latency
Compute the expected transition latency for frequency transitions
using the values from the PCCT tables when the desired perf
register is in PCC.
Signed-off-by: Prashanth Prakash <pprakash@codeaurora.org>
Reviewed-by: Alexey Klimov <alexey.klimov@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/cppc_acpi.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h index d2101bcea013..42cbeb93ea32 100644 --- a/include/acpi/cppc_acpi.h +++ b/include/acpi/cppc_acpi.h @@ -131,5 +131,6 @@ extern int cppc_get_perf_ctrs(int cpu, struct cppc_perf_fb_ctrs *perf_fb_ctrs); extern int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls); extern int cppc_get_perf_caps(int cpu, struct cppc_perf_caps *caps); extern int acpi_get_psd_map(struct cpudata **); +extern unsigned int cppc_get_transition_latency(int cpu); #endif /* _CPPC_ACPI_H*/ |