CPU opp table have bandwidth data per MC channel. The actual bandwidth
depends on number of MC channels which can change as per the boot config
for a board. So, multiply the bandwidth request for CPU clusters with
number of enabled MC channels. This is not required to be done for other
MC clients.
Signed-off-by: Sumit Gupta <sumitg@xxxxxxxxxx>
---
drivers/memory/tegra/tegra234.c | 25 ++++++++++++++++++++++++-
1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/drivers/memory/tegra/tegra234.c b/drivers/memory/tegra/tegra234.c
index 82ce6c3c3eb0..a45fc99b9c82 100644
--- a/drivers/memory/tegra/tegra234.c
+++ b/drivers/memory/tegra/tegra234.c
@@ -834,6 +834,29 @@ static int tegra234_mc_icc_set(struct icc_node *src, struct icc_node *dst)
return 0;
}
+static int tegra234_mc_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw,
+ u32 peak_bw, u32 *agg_avg, u32 *agg_peak)
+{
+ struct tegra_icc_node *tnode = NULL;
+ struct tegra_mc *mc = NULL;
+
+ if (node->id == TEGRA_ICC_MC_CPU_CLUSTER0 ||
+ node->id == TEGRA_ICC_MC_CPU_CLUSTER1 ||
+ node->id == TEGRA_ICC_MC_CPU_CLUSTER2) {
+ if (node->data) {
+ tnode = node->data;
+ mc = tnode->mc;
+ if (mc)
+ peak_bw = peak_bw * mc->num_channels;
+ }
+ }
+
+ *agg_avg += avg_bw;
+ *agg_peak = max(*agg_peak, peak_bw);
+
+ return 0;
+}
+
static struct icc_node*
tegra234_mc_of_icc_xlate(struct of_phandle_args *spec, void *data)
{
@@ -866,7 +889,7 @@ static int tegra234_mc_icc_get_init_bw(struct icc_node *node, u32 *avg, u32 *pea
static const struct tegra_mc_icc_ops tegra234_mc_icc_ops = {
.xlate = tegra234_mc_of_icc_xlate,
.get_bw = tegra234_mc_icc_get_init_bw,
- .aggregate = icc_std_aggregate,
+ .aggregate = tegra234_mc_icc_aggregate,
.set = tegra234_mc_icc_set,
};
--
2.17.1
