diff mbox series

[V2,07/13] OPP: Compare bandwidths for all paths in _opp_compare_key()

Message ID 1bbfdbf08c010bf6687b906a6865981d0a075acd.1657003420.git.viresh.kumar@linaro.org
State Accepted
Commit 274c3e83e7d9bf4361fd30648f5c9414c806135c
Headers show
Series OPP: Add support for multiple clocks* | expand

Commit Message

Viresh Kumar July 5, 2022, 7 a.m. UTC 
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>
---
 drivers/opp/core.c | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 003cd48123d7..261f5e1abfe1 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -1683,6 +1683,20 @@  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
@@ -1698,9 +1712,9 @@  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;