Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d5ccb613 authored by Odelu Kukatla's avatar Odelu Kukatla
Browse files

interconnect: qcom: Add support for utility factor 



Utility factor needs to be applied for aggregated bandwidth
so as to run the bus clock at required frequency.

Change-Id: Ic166f72b0719fa88db4c04b9acdc163483faf538
Signed-off-by: default avatarOdelu Kukatla <okukatla@codeaurora.org>
parent f431103b

drivers/interconnect/qcom/holi.c

+4 −0
Original line number Diff line number Diff line
@@ -1240,6 +1240,10 @@ static int qnoc_probe(struct platform_device *pdev) 
	qp->init = true;

	qp->keepalive = of_property_read_bool(dev->of_node, "qcom,keepalive");



	if (of_property_read_u32(dev->of_node, "qcom,util-factor",

				 &qp->util_factor))

		qp->util_factor = DEFAULT_UTIL_FACTOR;



	qp->regmap = qcom_icc_map(pdev, desc);

	if (IS_ERR(qp->regmap))

		return PTR_ERR(qp->regmap);

drivers/interconnect/qcom/icc-rpm.c

+4 −0
Original line number Diff line number Diff line
@@ -118,6 +118,10 @@ int qcom_icc_rpm_set(struct icc_node *src, struct icc_node *dst) 
		qn = n->data;

		for (i = 0; i < RPM_NUM_CXT; i++) {

			sum_avg = icc_units_to_bps(qn->sum_avg[i]);



			sum_avg *= qp->util_factor;

			do_div(sum_avg, DEFAULT_UTIL_FACTOR);



			do_div(sum_avg, qn->channels);

			max_peak = icc_units_to_bps(qn->max_peak[i]);

drivers/interconnect/qcom/icc-rpm.h

+3 −0
Original line number Diff line number Diff line
@@ -20,6 +20,8 @@ 
#define RPM_CLK_MAX_LEVEL		INT_MAX

#define RPM_CLK_MIN_LEVEL               19200000



#define DEFAULT_UTIL_FACTOR		100



#define to_qcom_provider(_provider) \

	container_of(_provider, struct qcom_icc_provider, provider)
@@ -57,6 +59,7 @@ struct qcom_icc_provider { 
	struct list_head probe_list;

	struct clk_bulk_data *bus_clks;

	int num_clks;

	u32 util_factor;

	u64 bus_clk_cur_rate[RPM_NUM_CXT];

	bool keepalive;

	bool init;