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authorGeorgi Djakov <georgi.djakov@linaro.org>2020-05-12 15:53:23 +0300
committerViresh Kumar <viresh.kumar@linaro.org>2020-05-29 07:45:10 +0300
commitfe2af40250bfc3cca9120cd5c315e2ea7a1082ed (patch)
treee938aeec2996dc5dde352973f517328b0e53f051 /drivers/opp
parent120e117bdc8483773fdae19dd326ef460b1ab4c2 (diff)
downloadlinux-fe2af40250bfc3cca9120cd5c315e2ea7a1082ed.tar.xz
opp: Update the bandwidth on OPP frequency changes
If the OPP bandwidth values are populated, we want to switch also the interconnect bandwidth in addition to frequency and voltage. Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> Reviewed-by: Sibi Sankar <sibis@codeaurora.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Diffstat (limited to 'drivers/opp')
-rw-r--r--drivers/opp/core.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index d19cc7970643..c3ce39c74de8 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -808,7 +808,7 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
unsigned long freq, old_freq, temp_freq;
struct dev_pm_opp *old_opp, *opp;
struct clk *clk;
- int ret;
+ int ret, i;
opp_table = _find_opp_table(dev);
if (IS_ERR(opp_table)) {
@@ -909,6 +909,17 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
dev_err(dev, "Failed to set required opps: %d\n", ret);
}
+ if (!ret && opp_table->paths) {
+ for (i = 0; i < opp_table->path_count; i++) {
+ ret = icc_set_bw(opp_table->paths[i],
+ opp->bandwidth[i].avg,
+ opp->bandwidth[i].peak);
+ if (ret)
+ dev_err(dev, "Failed to set bandwidth[%d]: %d\n",
+ i, ret);
+ }
+ }
+
put_opp:
dev_pm_opp_put(opp);
put_old_opp: