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| author | Prakash, Prashanth <[email protected]> | 2016-08-16 20:39:41 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <[email protected]> | 2016-08-30 23:02:33 +0000 |
| commit | be8b88d7d9877114172b32817d8eb3e85d3d8f99 (patch) | |
| tree | 46cfd3c473ffcf900680952a437d137355eef6a2 /include/acpi/cppc_acpi.h | |
| parent | ACPI / CPPC: support for batching CPPC requests (diff) | |
| download | kernel-be8b88d7d9877114172b32817d8eb3e85d3d8f99.tar.gz kernel-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 <[email protected]>
Reviewed-by: Alexey Klimov <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
Diffstat (limited to 'include/acpi/cppc_acpi.h')
| -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*/ |