diff options
Diffstat (limited to 'drivers/gpu/drm/panfrost/panfrost_devfreq.c')
| -rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_devfreq.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c index d9007f44b772..8ab025d0035f 100644 --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c @@ -93,14 +93,30 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev) unsigned long cur_freq; struct device *dev = &pfdev->pdev->dev; struct devfreq *devfreq; + struct opp_table *opp_table; struct thermal_cooling_device *cooling; struct panfrost_devfreq *pfdevfreq = &pfdev->pfdevfreq; + opp_table = dev_pm_opp_set_regulators(dev, pfdev->comp->supply_names, + pfdev->comp->num_supplies); + if (IS_ERR(opp_table)) { + ret = PTR_ERR(opp_table); + /* Continue if the optional regulator is missing */ + if (ret != -ENODEV) { + DRM_DEV_ERROR(dev, "Couldn't set OPP regulators\n"); + goto err_fini; + } + } else { + pfdevfreq->regulators_opp_table = opp_table; + } + ret = dev_pm_opp_of_add_table(dev); - if (ret == -ENODEV) /* Optional, continue without devfreq */ - return 0; - else if (ret) - return ret; + if (ret) { + /* Optional, continue without devfreq */ + if (ret == -ENODEV) + ret = 0; + goto err_fini; + } pfdevfreq->opp_of_table_added = true; spin_lock_init(&pfdevfreq->lock); @@ -153,6 +169,11 @@ void panfrost_devfreq_fini(struct panfrost_device *pfdev) dev_pm_opp_of_remove_table(&pfdev->pdev->dev); pfdevfreq->opp_of_table_added = false; } + + if (pfdevfreq->regulators_opp_table) { + dev_pm_opp_put_regulators(pfdevfreq->regulators_opp_table); + pfdevfreq->regulators_opp_table = NULL; + } } void panfrost_devfreq_resume(struct panfrost_device *pfdev) |