summaryrefslogtreecommitdiff
path: root/drivers/interconnect
diff options
context:
space:
mode:
authorGeorgi Djakov <djakov@kernel.org>2022-11-17 18:40:04 +0300
committerGeorgi Djakov <djakov@kernel.org>2022-11-17 18:44:14 +0300
commit26e90ec7a8403fc8f7a4507098d7d262e9c2d302 (patch)
tree629a47a4957187b22483d42d6514c4ee84f15cf2 /drivers/interconnect
parentc1c537cf30bc539d8f6fa4ac315a8def23fd4ae8 (diff)
parent2d710b00f22f3fcbc4e0189524bbf36731d9baf4 (diff)
downloadlinux-26e90ec7a8403fc8f7a4507098d7d262e9c2d302.tar.xz
Merge branch 'icc-sc8280xp-l3' into icc-next
The SC8280XP currently shows depressing results in memory benchmarks. Fix this by introducing support for the platform in the OSM (and EPSS) L3 driver and support for the platform in the bwmon binding. Link: https://lore.kernel.org/r/20221111032515.3460-1-quic_bjorande@quicinc.com Signed-off-by: Georgi Djakov <djakov@kernel.org>
Diffstat (limited to 'drivers/interconnect')
-rw-r--r--drivers/interconnect/qcom/osm-l3.c126
1 files changed, 35 insertions, 91 deletions
diff --git a/drivers/interconnect/qcom/osm-l3.c b/drivers/interconnect/qcom/osm-l3.c
index ddbdf0943f94..5fa171087425 100644
--- a/drivers/interconnect/qcom/osm-l3.c
+++ b/drivers/interconnect/qcom/osm-l3.c
@@ -34,6 +34,7 @@
/* EPSS Register offsets */
#define EPSS_LUT_ROW_SIZE 4
+#define EPSS_REG_L3_VOTE 0x90
#define EPSS_REG_FREQ_LUT 0x100
#define EPSS_REG_PERF_STATE 0x320
@@ -74,6 +75,11 @@ struct qcom_osm_l3_desc {
unsigned int reg_perf_state;
};
+enum {
+ OSM_L3_MASTER_NODE = 10000,
+ OSM_L3_SLAVE_NODE,
+};
+
#define DEFINE_QNODE(_name, _id, _buswidth, ...) \
static const struct qcom_osm_l3_node _name = { \
.name = #_name, \
@@ -83,100 +89,44 @@ struct qcom_osm_l3_desc {
.links = { __VA_ARGS__ }, \
}
-DEFINE_QNODE(sdm845_osm_apps_l3, SDM845_MASTER_OSM_L3_APPS, 16, SDM845_SLAVE_OSM_L3);
-DEFINE_QNODE(sdm845_osm_l3, SDM845_SLAVE_OSM_L3, 16);
-
-static const struct qcom_osm_l3_node * const sdm845_osm_l3_nodes[] = {
- [MASTER_OSM_L3_APPS] = &sdm845_osm_apps_l3,
- [SLAVE_OSM_L3] = &sdm845_osm_l3,
-};
+DEFINE_QNODE(osm_l3_master, OSM_L3_MASTER_NODE, 16, OSM_L3_SLAVE_NODE);
+DEFINE_QNODE(osm_l3_slave, OSM_L3_SLAVE_NODE, 16);
-static const struct qcom_osm_l3_desc sdm845_icc_osm_l3 = {
- .nodes = sdm845_osm_l3_nodes,
- .num_nodes = ARRAY_SIZE(sdm845_osm_l3_nodes),
- .lut_row_size = OSM_LUT_ROW_SIZE,
- .reg_freq_lut = OSM_REG_FREQ_LUT,
- .reg_perf_state = OSM_REG_PERF_STATE,
+static const struct qcom_osm_l3_node * const osm_l3_nodes[] = {
+ [MASTER_OSM_L3_APPS] = &osm_l3_master,
+ [SLAVE_OSM_L3] = &osm_l3_slave,
};
-DEFINE_QNODE(sc7180_osm_apps_l3, SC7180_MASTER_OSM_L3_APPS, 16, SC7180_SLAVE_OSM_L3);
-DEFINE_QNODE(sc7180_osm_l3, SC7180_SLAVE_OSM_L3, 16);
+DEFINE_QNODE(epss_l3_master, OSM_L3_MASTER_NODE, 32, OSM_L3_SLAVE_NODE);
+DEFINE_QNODE(epss_l3_slave, OSM_L3_SLAVE_NODE, 32);
-static const struct qcom_osm_l3_node * const sc7180_osm_l3_nodes[] = {
- [MASTER_OSM_L3_APPS] = &sc7180_osm_apps_l3,
- [SLAVE_OSM_L3] = &sc7180_osm_l3,
+static const struct qcom_osm_l3_node * const epss_l3_nodes[] = {
+ [MASTER_EPSS_L3_APPS] = &epss_l3_master,
+ [SLAVE_EPSS_L3_SHARED] = &epss_l3_slave,
};
-static const struct qcom_osm_l3_desc sc7180_icc_osm_l3 = {
- .nodes = sc7180_osm_l3_nodes,
- .num_nodes = ARRAY_SIZE(sc7180_osm_l3_nodes),
+static const struct qcom_osm_l3_desc osm_l3 = {
+ .nodes = osm_l3_nodes,
+ .num_nodes = ARRAY_SIZE(osm_l3_nodes),
.lut_row_size = OSM_LUT_ROW_SIZE,
.reg_freq_lut = OSM_REG_FREQ_LUT,
.reg_perf_state = OSM_REG_PERF_STATE,
};
-DEFINE_QNODE(sc7280_epss_apps_l3, SC7280_MASTER_EPSS_L3_APPS, 32, SC7280_SLAVE_EPSS_L3);
-DEFINE_QNODE(sc7280_epss_l3, SC7280_SLAVE_EPSS_L3, 32);
-
-static const struct qcom_osm_l3_node * const sc7280_epss_l3_nodes[] = {
- [MASTER_EPSS_L3_APPS] = &sc7280_epss_apps_l3,
- [SLAVE_EPSS_L3_SHARED] = &sc7280_epss_l3,
-};
-
-static const struct qcom_osm_l3_desc sc7280_icc_epss_l3 = {
- .nodes = sc7280_epss_l3_nodes,
- .num_nodes = ARRAY_SIZE(sc7280_epss_l3_nodes),
+static const struct qcom_osm_l3_desc epss_l3_perf_state = {
+ .nodes = epss_l3_nodes,
+ .num_nodes = ARRAY_SIZE(epss_l3_nodes),
.lut_row_size = EPSS_LUT_ROW_SIZE,
.reg_freq_lut = EPSS_REG_FREQ_LUT,
.reg_perf_state = EPSS_REG_PERF_STATE,
};
-DEFINE_QNODE(sc8180x_osm_apps_l3, SC8180X_MASTER_OSM_L3_APPS, 32, SC8180X_SLAVE_OSM_L3);
-DEFINE_QNODE(sc8180x_osm_l3, SC8180X_SLAVE_OSM_L3, 32);
-
-static const struct qcom_osm_l3_node * const sc8180x_osm_l3_nodes[] = {
- [MASTER_OSM_L3_APPS] = &sc8180x_osm_apps_l3,
- [SLAVE_OSM_L3] = &sc8180x_osm_l3,
-};
-
-static const struct qcom_osm_l3_desc sc8180x_icc_osm_l3 = {
- .nodes = sc8180x_osm_l3_nodes,
- .num_nodes = ARRAY_SIZE(sc8180x_osm_l3_nodes),
- .lut_row_size = OSM_LUT_ROW_SIZE,
- .reg_freq_lut = OSM_REG_FREQ_LUT,
- .reg_perf_state = OSM_REG_PERF_STATE,
-};
-
-DEFINE_QNODE(sm8150_osm_apps_l3, SM8150_MASTER_OSM_L3_APPS, 32, SM8150_SLAVE_OSM_L3);
-DEFINE_QNODE(sm8150_osm_l3, SM8150_SLAVE_OSM_L3, 32);
-
-static const struct qcom_osm_l3_node * const sm8150_osm_l3_nodes[] = {
- [MASTER_OSM_L3_APPS] = &sm8150_osm_apps_l3,
- [SLAVE_OSM_L3] = &sm8150_osm_l3,
-};
-
-static const struct qcom_osm_l3_desc sm8150_icc_osm_l3 = {
- .nodes = sm8150_osm_l3_nodes,
- .num_nodes = ARRAY_SIZE(sm8150_osm_l3_nodes),
- .lut_row_size = OSM_LUT_ROW_SIZE,
- .reg_freq_lut = OSM_REG_FREQ_LUT,
- .reg_perf_state = OSM_REG_PERF_STATE,
-};
-
-DEFINE_QNODE(sm8250_epss_apps_l3, SM8250_MASTER_EPSS_L3_APPS, 32, SM8250_SLAVE_EPSS_L3);
-DEFINE_QNODE(sm8250_epss_l3, SM8250_SLAVE_EPSS_L3, 32);
-
-static const struct qcom_osm_l3_node * const sm8250_epss_l3_nodes[] = {
- [MASTER_EPSS_L3_APPS] = &sm8250_epss_apps_l3,
- [SLAVE_EPSS_L3_SHARED] = &sm8250_epss_l3,
-};
-
-static const struct qcom_osm_l3_desc sm8250_icc_epss_l3 = {
- .nodes = sm8250_epss_l3_nodes,
- .num_nodes = ARRAY_SIZE(sm8250_epss_l3_nodes),
+static const struct qcom_osm_l3_desc epss_l3_l3_vote = {
+ .nodes = epss_l3_nodes,
+ .num_nodes = ARRAY_SIZE(epss_l3_nodes),
.lut_row_size = EPSS_LUT_ROW_SIZE,
.reg_freq_lut = EPSS_REG_FREQ_LUT,
- .reg_perf_state = EPSS_REG_PERF_STATE,
+ .reg_perf_state = EPSS_REG_L3_VOTE,
};
static int qcom_osm_l3_set(struct icc_node *src, struct icc_node *dst)
@@ -184,22 +134,14 @@ static int qcom_osm_l3_set(struct icc_node *src, struct icc_node *dst)
struct qcom_osm_l3_icc_provider *qp;
struct icc_provider *provider;
const struct qcom_osm_l3_node *qn;
- struct icc_node *n;
unsigned int index;
- u32 agg_peak = 0;
- u32 agg_avg = 0;
u64 rate;
qn = src->data;
provider = src->provider;
qp = to_osm_l3_provider(provider);
- list_for_each_entry(n, &provider->nodes, node_list)
- provider->aggregate(n, 0, n->avg_bw, n->peak_bw,
- &agg_avg, &agg_peak);
-
- rate = max(agg_avg, agg_peak);
- rate = icc_units_to_bps(rate);
+ rate = icc_units_to_bps(dst->peak_bw);
do_div(rate, qn->buswidth);
for (index = 0; index < qp->max_state - 1; index++) {
@@ -344,12 +286,14 @@ err:
}
static const struct of_device_id osm_l3_of_match[] = {
- { .compatible = "qcom,sc7180-osm-l3", .data = &sc7180_icc_osm_l3 },
- { .compatible = "qcom,sc7280-epss-l3", .data = &sc7280_icc_epss_l3 },
- { .compatible = "qcom,sdm845-osm-l3", .data = &sdm845_icc_osm_l3 },
- { .compatible = "qcom,sm8150-osm-l3", .data = &sm8150_icc_osm_l3 },
- { .compatible = "qcom,sc8180x-osm-l3", .data = &sc8180x_icc_osm_l3 },
- { .compatible = "qcom,sm8250-epss-l3", .data = &sm8250_icc_epss_l3 },
+ { .compatible = "qcom,epss-l3", .data = &epss_l3_l3_vote },
+ { .compatible = "qcom,osm-l3", .data = &osm_l3 },
+ { .compatible = "qcom,sc7180-osm-l3", .data = &osm_l3 },
+ { .compatible = "qcom,sc7280-epss-l3", .data = &epss_l3_perf_state },
+ { .compatible = "qcom,sdm845-osm-l3", .data = &osm_l3 },
+ { .compatible = "qcom,sm8150-osm-l3", .data = &osm_l3 },
+ { .compatible = "qcom,sc8180x-osm-l3", .data = &osm_l3 },
+ { .compatible = "qcom,sm8250-epss-l3", .data = &epss_l3_perf_state },
{ }
};
MODULE_DEVICE_TABLE(of, osm_l3_of_match);