diff options
| -rw-r--r-- | sys/kern/kern_cpu.c | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/sys/kern/kern_cpu.c b/sys/kern/kern_cpu.c index c32a63c..6df4d3f 100644 --- a/sys/kern/kern_cpu.c +++ b/sys/kern/kern_cpu.c @@ -312,7 +312,7 @@ cf_set_method(device_t dev, const struct cf_level *level, int priority) } /* If already at this level, just return. */ - if (CPUFREQ_CMP(sc->curr_level.total_set.freq, level->total_set.freq)) { + if (sc->curr_level.total_set.freq == level->total_set.freq) { CF_DEBUG("skipping freq %d, same as current level %d\n", level->total_set.freq, sc->curr_level.total_set.freq); goto skip; @@ -471,7 +471,7 @@ cf_get_method(device_t dev, struct cf_level *level) if (CPUFREQ_DRV_GET(devs[n], &set) != 0) continue; for (i = 0; i < count; i++) { - if (CPUFREQ_CMP(set.freq, levels[i].total_set.freq)) { + if (set.freq == levels[i].total_set.freq) { sc->curr_level = levels[i]; break; } @@ -627,16 +627,6 @@ cf_levels_method(device_t dev, struct cf_level *levels, int *count) /* Finally, output the list of levels. */ i = 0; TAILQ_FOREACH(lev, &sc->all_levels, link) { - /* - * Skip levels that are too close in frequency to the - * previous levels. Some systems report bogus duplicate - * settings (i.e., for acpi_perf). - */ - if (i > 0 && CPUFREQ_CMP(lev->total_set.freq, - levels[i - 1].total_set.freq)) { - sc->all_count--; - continue; - } /* Skip levels that have a frequency that is too low. */ if (lev->total_set.freq < cf_lowest_freq) { @@ -870,7 +860,7 @@ cpufreq_curr_sysctl(SYSCTL_HANDLER_ARGS) { struct cpufreq_softc *sc; struct cf_level *levels; - int count, devcount, error, freq, i, n; + int best, count, diff, bdiff, devcount, error, freq, i, n; device_t *devs; devs = NULL; @@ -902,17 +892,16 @@ cpufreq_curr_sysctl(SYSCTL_HANDLER_ARGS) "cpufreq: need to increase CF_MAX_LEVELS\n"); break; } + best = 0; + bdiff = 1 << 30; for (i = 0; i < count; i++) { - if (CPUFREQ_CMP(levels[i].total_set.freq, freq)) { - error = CPUFREQ_SET(devs[n], &levels[i], - CPUFREQ_PRIO_USER); - break; + diff = abs(levels[i].total_set.freq - freq); + if (diff < bdiff) { + bdiff = diff; + best = i; } } - if (i == count) { - error = EINVAL; - break; - } + error = CPUFREQ_SET(devs[n], &levels[best], CPUFREQ_PRIO_USER); } out: |
