From: Yangtao Li <tiny.win...@gmail.com>
Use resource-managed OPP API to simplify code.
Signed-off-by: Yangtao Li <tiny.win...@gmail.com>
Reviewed-by: Steven Price <steven.pr...@arm.com>
Signed-off-by: Dmitry Osipenko <dig...@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;
--
2.30.2
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