linux-kernel - [PATCH v4 06/10] interconnect: qcom: qcm2290: Set AB coefficients

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Message-Id: <20230726-topic-icc_coeff-v4-6-c04b60caa467@linaro.org>
Date:   Fri, 25 Aug 2023 17:38:28 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Georgi Djakov <djakov@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH v4 06/10] interconnect: qcom: qcm2290: Set AB coefficients

Some buses need additional manual adjustments atop the usual
calculations. Fill in the missing coefficients.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/interconnect/qcom/qcm2290.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/interconnect/qcom/qcm2290.c b/drivers/interconnect/qcom/qcm2290.c
index 026e4c82d6d4..7abc0c449220 100644
--- a/drivers/interconnect/qcom/qcm2290.c
+++ b/drivers/interconnect/qcom/qcm2290.c
@@ -1202,6 +1202,7 @@ static const struct qcom_icc_desc qcm2290_bimc = {
 	.keep_alive = true,
 	/* M_REG_BASE() in vendor msm_bus_bimc_adhoc driver */
 	.qos_offset = 0x8000,
+	.ab_coeff = 153,
 };
 
 static struct qcom_icc_node * const qcm2290_cnoc_nodes[] = {
@@ -1332,6 +1333,7 @@ static const struct qcom_icc_desc qcm2290_mmnrt_virt = {
 	.regmap_cfg = &qcm2290_snoc_regmap_config,
 	.keep_alive = true,
 	.qos_offset = 0x15000,
+	.ab_coeff = 142,
 };
 
 static struct qcom_icc_node * const qcm2290_mmrt_virt_nodes[] = {
@@ -1348,6 +1350,7 @@ static const struct qcom_icc_desc qcm2290_mmrt_virt = {
 	.regmap_cfg = &qcm2290_snoc_regmap_config,
 	.keep_alive = true,
 	.qos_offset = 0x15000,
+	.ab_coeff = 139,
 };
 
 static const struct of_device_id qcm2290_noc_of_match[] = {

-- 
2.42.0