On 3.03.23 4:35, Konrad Dybcio wrote:
Currently, when sync_state calls set(n, n) all the paths for setting
parameters on an icc node are called twice. Avoid that.
This could be optimized indeed.
Fixes: 751f4d14cdb4 ("interconnect: icc-rpm: Set destination bandwidth as well as source bandwidth")
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
---
RFC comes from the fact that I *believe* this should be correct, but I'm
not entirely sure about it..
drivers/interconnect/qcom/icc-rpm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/interconnect/qcom/icc-rpm.c b/drivers/interconnect/qcom/icc-rpm.c
index a6e0de03f46b..d35db1af9b08 100644
--- a/drivers/interconnect/qcom/icc-rpm.c
+++ b/drivers/interconnect/qcom/icc-rpm.c
@@ -387,7 +387,7 @@ static int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
ret = __qcom_icc_set(src, src_qn, sum_bw);
if (ret)
return ret;
- if (dst_qn) {
+ if (dst_qn && src_qn != dst_qn) {
ret = __qcom_icc_set(dst, dst_qn, sum_bw);
if (ret)
return ret;
Today we also call provider->set(node, node) in icc_node_add() to set
the initial bandwidth when nodes are being added to the topology. The
above change will affect that as well.
BR,
Georgi
