github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-11-07 06:17:02 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

interconnect: qcom: icc-rpm: Don't skip small votes

Browse Source 
Small votes (such as 1 or 100) can end up being rounded down to 0
midway through the calculations. Use qcom_bw_div() when dividing to
prevent that.

Assisted-by: LLM
Fixes: 30c8fa3ec6 ("interconnect: qcom: Add MSM8916 interconnect provider driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Link: https://patch.msgid.link/20260909-topic-icc_rpm_smd_qol-v1-2-6dc5b5e97626@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
This commit is contained in:
Konrad Dybcio 2026-09-09 18:41:55 +02:00 committed by Georgi Djakov
parent 51797517fa
commit 40ea86fa38
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/interconnect/qcom/icc-rpm.c
View File

@ -298,25 +298,25 @@ static u64 qcom_icc_calc_rate(struct qcom_icc_provider *qp, struct qcom_icc_node
u64 agg_avg_rate, agg_peak_rate, agg_rate;
if (qn->channels)
agg_avg_rate = div_u64(qn->sum_avg[ctx], qn->channels);
agg_avg_rate = qcom_bw_div(qn->sum_avg[ctx], qn->channels);
else
agg_avg_rate = qn->sum_avg[ctx];
if (qn->ab_coeff) {
agg_avg_rate = agg_avg_rate * qn->ab_coeff;
agg_avg_rate = div_u64(agg_avg_rate, 100);
agg_avg_rate = qcom_bw_div(agg_avg_rate, 100);
}
if (qn->ib_coeff) {
agg_peak_rate = qn->max_peak[ctx] * 100;
agg_peak_rate = div_u64(agg_peak_rate, qn->ib_coeff);
agg_peak_rate = qcom_bw_div(agg_peak_rate, qn->ib_coeff);
} else {
agg_peak_rate = qn->max_peak[ctx];
}
agg_rate = max_t(u64, agg_avg_rate, agg_peak_rate);
return div_u64(agg_rate, qn->buswidth);
return qcom_bw_div(agg_rate, qn->buswidth);
}
/**