From: Yangtao Li tiny.windzz@gmail.com
Use resource-managed OPP API to simplify code.
Signed-off-by: Yangtao Li tiny.windzz@gmail.com Reviewed-by: Steven Price steven.price@arm.com Signed-off-by: Dmitry Osipenko digetx@gmail.com --- drivers/gpu/drm/panfrost/panfrost_devfreq.c | 37 +++++---------------- drivers/gpu/drm/panfrost/panfrost_devfreq.h | 2 -- 2 files changed, 9 insertions(+), 30 deletions(-)
diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c index 56b3f5935703..c878391f3e8c 100644 --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c @@ -89,29 +89,25 @@ 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); + ret = devm_pm_opp_set_regulators(dev, pfdev->comp->supply_names, + pfdev->comp->num_supplies); + if (ret) { /* Continue if the optional regulator is missing */ if (ret != -ENODEV) { DRM_DEV_ERROR(dev, "Couldn't set OPP regulators\n"); - goto err_fini; + return ret; } - } else { - pfdevfreq->regulators_opp_table = opp_table; }
- ret = dev_pm_opp_of_add_table(dev); + ret = devm_pm_opp_of_add_table(dev); if (ret) { /* Optional, continue without devfreq */ if (ret == -ENODEV) ret = 0; - goto err_fini; + return ret; } pfdevfreq->opp_of_table_added = true;
@@ -122,10 +118,8 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev) cur_freq = clk_get_rate(pfdev->clock);
opp = devfreq_recommended_opp(dev, &cur_freq, 0); - if (IS_ERR(opp)) { - ret = PTR_ERR(opp); - goto err_fini; - } + if (IS_ERR(opp)) + return PTR_ERR(opp);
panfrost_devfreq_profile.initial_freq = cur_freq; dev_pm_opp_put(opp); @@ -134,8 +128,7 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev) DEVFREQ_GOV_SIMPLE_ONDEMAND, NULL); if (IS_ERR(devfreq)) { DRM_DEV_ERROR(dev, "Couldn't initialize GPU devfreq\n"); - ret = PTR_ERR(devfreq); - goto err_fini; + return PTR_ERR(devfreq); } pfdevfreq->devfreq = devfreq;
@@ -146,10 +139,6 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev) pfdevfreq->cooling = cooling;
return 0; - -err_fini: - panfrost_devfreq_fini(pfdev); - return ret; }
void panfrost_devfreq_fini(struct panfrost_device *pfdev) @@ -160,14 +149,6 @@ void panfrost_devfreq_fini(struct panfrost_device *pfdev) devfreq_cooling_unregister(pfdevfreq->cooling); pfdevfreq->cooling = NULL; } - - if (pfdevfreq->opp_of_table_added) { - dev_pm_opp_of_remove_table(&pfdev->pdev->dev); - pfdevfreq->opp_of_table_added = false; - } - - dev_pm_opp_put_regulators(pfdevfreq->regulators_opp_table); - pfdevfreq->regulators_opp_table = NULL; }
void panfrost_devfreq_resume(struct panfrost_device *pfdev) diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.h b/drivers/gpu/drm/panfrost/panfrost_devfreq.h index db6ea48e21f9..210269944687 100644 --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.h +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.h @@ -8,14 +8,12 @@ #include <linux/ktime.h>
struct devfreq; -struct opp_table; struct thermal_cooling_device;
struct panfrost_device;
struct panfrost_devfreq { struct devfreq *devfreq; - struct opp_table *regulators_opp_table; struct thermal_cooling_device *cooling; bool opp_of_table_added;