diff mbox series

[v2,09/10] interconnect: qcom: rpm: Add a way to always set QoS registers

Message ID 20230110132202.956619-10-konrad.dybcio@linaro.org
State Superseded
Headers show
Series [v2,01/10] interconnect: qcom: rpm: Don't set QoS params before non-zero bw is requested | expand

Commit Message

Konrad Dybcio Jan. 10, 2023, 1:22 p.m. UTC
On newer SoCs (there's no clear boundary, but probably "new enough"
means every interconnect provider is either BIMC or QNoC and there
are no old-style NoC hosts) we're expected to set QoS registers
regardless of the ap_owned param. Add a bool in the qcom_icc_provider
and make the logic assume it's okay to set the registers when it's
set.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 drivers/interconnect/qcom/icc-rpm.c | 2 +-
 drivers/interconnect/qcom/icc-rpm.h | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/interconnect/qcom/icc-rpm.c b/drivers/interconnect/qcom/icc-rpm.c
index 12c58f9237e8..804ba75bcd79 100644
--- a/drivers/interconnect/qcom/icc-rpm.c
+++ b/drivers/interconnect/qcom/icc-rpm.c
@@ -250,7 +250,7 @@  static int __qcom_icc_set(struct icc_node *n, struct qcom_icc_node *qn,
 	bool vote_ap, vote_rpm;
 	int ret;
 
-	if (qp->type == QCOM_ICC_QNOC) {
+	if (qp->type == QCOM_ICC_QNOC || qp->always_set_qos) {
 		vote_ap = true;
 		vote_rpm = true;
 	} else {
diff --git a/drivers/interconnect/qcom/icc-rpm.h b/drivers/interconnect/qcom/icc-rpm.h
index b4888e4cb74a..f3afaaee14f2 100644
--- a/drivers/interconnect/qcom/icc-rpm.h
+++ b/drivers/interconnect/qcom/icc-rpm.h
@@ -28,6 +28,7 @@  enum qcom_icc_type {
  * @type: the ICC provider type
  * @regmap: regmap for QoS registers read/write access
  * @qos_offset: offset to QoS registers
+ * @always_set_qos: whether to always set QoS registers regardless of bus type
  * @bus_clk_rate: bus clock rate in Hz
  * @bus_clks: the clk_bulk_data table of bus clocks
  * @intf_clks: the clk_bulk_data table of interface clocks
@@ -39,6 +40,7 @@  struct qcom_icc_provider {
 	enum qcom_icc_type type;
 	struct regmap *regmap;
 	int qos_offset;
+	bool always_set_qos;
 	u64 bus_clk_rate[2];
 	struct clk_bulk_data bus_clks[2];
 	struct clk_bulk_data intf_clks[];