diff options
Diffstat (limited to 'drivers/gpu/drm/lima/lima_devfreq.c')
| -rw-r--r-- | drivers/gpu/drm/lima/lima_devfreq.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/lima/lima_devfreq.c b/drivers/gpu/drm/lima/lima_devfreq.c index 5686ad4aaf7c..4f64940b9055 100644 --- a/drivers/gpu/drm/lima/lima_devfreq.c +++ b/drivers/gpu/drm/lima/lima_devfreq.c @@ -81,6 +81,7 @@ static int lima_devfreq_get_dev_status(struct device *dev, } static struct devfreq_dev_profile lima_devfreq_profile = { + .timer = DEVFREQ_TIMER_DELAYED, .polling_ms = 50, /* ~3 frames */ .target = lima_devfreq_target, .get_dev_status = lima_devfreq_get_dev_status, @@ -163,8 +164,16 @@ int lima_devfreq_init(struct lima_device *ldev) lima_devfreq_profile.initial_freq = cur_freq; dev_pm_opp_put(opp); + /* + * Setup default thresholds for the simple_ondemand governor. + * The values are chosen based on experiments. + */ + ldevfreq->gov_data.upthreshold = 30; + ldevfreq->gov_data.downdifferential = 5; + devfreq = devm_devfreq_add_device(dev, &lima_devfreq_profile, - DEVFREQ_GOV_SIMPLE_ONDEMAND, NULL); + DEVFREQ_GOV_SIMPLE_ONDEMAND, + &ldevfreq->gov_data); if (IS_ERR(devfreq)) { dev_err(dev, "Couldn't initialize GPU devfreq\n"); ret = PTR_ERR(devfreq); |