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| author | Viresh Kumar <viresh.kumar@linaro.org> | 2022-07-05 11:50:47 +0530 |
|---|---|---|
| committer | Viresh Kumar <viresh.kumar@linaro.org> | 2022-07-12 20:35:20 +0530 |
| commit | 274c3e83e7d9bf4361fd30648f5c9414c806135c (patch) | |
| tree | 2e8fbff06b13fcb10afe20fc92fb1108e65c57f4 /drivers/opp | |
| parent | 2083da24eb56ce622332946800a67a7449d85fe5 (diff) | |
| download | lwn-274c3e83e7d9bf4361fd30648f5c9414c806135c.tar.gz lwn-274c3e83e7d9bf4361fd30648f5c9414c806135c.zip | |
OPP: Compare bandwidths for all paths in _opp_compare_key()
Replicate the same behavior as "rates" here and compare all values
instead of relying on the first entry alone.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Diffstat (limited to 'drivers/opp')
| -rw-r--r-- | drivers/opp/core.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index e3322d54942a..d695f68fba8c 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -1697,6 +1697,20 @@ static int _opp_compare_rate(struct opp_table *opp_table, return 0; } +static int _opp_compare_bw(struct opp_table *opp_table, struct dev_pm_opp *opp1, + struct dev_pm_opp *opp2) +{ + int i; + + for (i = 0; i < opp_table->path_count; i++) { + if (opp1->bandwidth[i].peak != opp2->bandwidth[i].peak) + return opp1->bandwidth[i].peak < opp2->bandwidth[i].peak ? -1 : 1; + } + + /* Same bw for both OPPs */ + return 0; +} + /* * Returns * 0: opp1 == opp2 @@ -1712,9 +1726,9 @@ int _opp_compare_key(struct opp_table *opp_table, struct dev_pm_opp *opp1, if (ret) return ret; - if (opp1->bandwidth && opp2->bandwidth && - opp1->bandwidth[0].peak != opp2->bandwidth[0].peak) - return opp1->bandwidth[0].peak < opp2->bandwidth[0].peak ? -1 : 1; + ret = _opp_compare_bw(opp_table, opp1, opp2); + if (ret) + return ret; if (opp1->level != opp2->level) return opp1->level < opp2->level ? -1 : 1; |