[PATCH v3 12/15] drm/lima: Convert to use resource-managed OPP API
Dmitry Osipenko
digetx at gmail.com
Sun Mar 14 16:34:05 UTC 2021
From: Yangtao Li <tiny.windzz at gmail.com>
Use resource-managed OPP API to simplify code.
Signed-off-by: Yangtao Li <tiny.windzz at gmail.com>
Signed-off-by: Dmitry Osipenko <digetx at gmail.com>
---
drivers/gpu/drm/lima/lima_devfreq.c | 47 +++++++----------------------
drivers/gpu/drm/lima/lima_devfreq.h | 3 --
2 files changed, 11 insertions(+), 39 deletions(-)
diff --git a/drivers/gpu/drm/lima/lima_devfreq.c b/drivers/gpu/drm/lima/lima_devfreq.c
index 5686ad4aaf7c..dbc1d1eb9543 100644
--- a/drivers/gpu/drm/lima/lima_devfreq.c
+++ b/drivers/gpu/drm/lima/lima_devfreq.c
@@ -99,20 +99,12 @@ void lima_devfreq_fini(struct lima_device *ldev)
devm_devfreq_remove_device(ldev->dev, devfreq->devfreq);
devfreq->devfreq = NULL;
}
-
- dev_pm_opp_of_remove_table(ldev->dev);
-
- dev_pm_opp_put_regulators(devfreq->regulators_opp_table);
- dev_pm_opp_put_clkname(devfreq->clkname_opp_table);
- devfreq->regulators_opp_table = NULL;
- devfreq->clkname_opp_table = NULL;
}
int lima_devfreq_init(struct lima_device *ldev)
{
struct thermal_cooling_device *cooling;
struct device *dev = ldev->dev;
- struct opp_table *opp_table;
struct devfreq *devfreq;
struct lima_devfreq *ldevfreq = &ldev->devfreq;
struct dev_pm_opp *opp;
@@ -125,40 +117,28 @@ int lima_devfreq_init(struct lima_device *ldev)
spin_lock_init(&ldevfreq->lock);
- opp_table = dev_pm_opp_set_clkname(dev, "core");
- if (IS_ERR(opp_table)) {
- ret = PTR_ERR(opp_table);
- goto err_fini;
- }
-
- ldevfreq->clkname_opp_table = opp_table;
-
- opp_table = dev_pm_opp_set_regulators(dev,
- (const char *[]){ "mali" },
- 1);
- if (IS_ERR(opp_table)) {
- ret = PTR_ERR(opp_table);
+ ret = devm_pm_opp_set_clkname(dev, "core");
+ if (ret)
+ return ret;
+ ret = devm_pm_opp_set_regulators(dev, (const char *[]){ "mali" }, 1);
+ if (ret) {
/* Continue if the optional regulator is missing */
if (ret != -ENODEV)
- goto err_fini;
- } else {
- ldevfreq->regulators_opp_table = opp_table;
+ return ret;
}
- ret = dev_pm_opp_of_add_table(dev);
+ ret = devm_pm_opp_of_add_table(dev);
if (ret)
- goto err_fini;
+ return ret;
lima_devfreq_reset(ldevfreq);
cur_freq = clk_get_rate(ldev->clk_gpu);
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);
lima_devfreq_profile.initial_freq = cur_freq;
dev_pm_opp_put(opp);
@@ -167,8 +147,7 @@ int lima_devfreq_init(struct lima_device *ldev)
DEVFREQ_GOV_SIMPLE_ONDEMAND, NULL);
if (IS_ERR(devfreq)) {
dev_err(dev, "Couldn't initialize GPU devfreq\n");
- ret = PTR_ERR(devfreq);
- goto err_fini;
+ return PTR_ERR(devfreq);
}
ldevfreq->devfreq = devfreq;
@@ -180,10 +159,6 @@ int lima_devfreq_init(struct lima_device *ldev)
ldevfreq->cooling = cooling;
return 0;
-
-err_fini:
- lima_devfreq_fini(ldev);
- return ret;
}
void lima_devfreq_record_busy(struct lima_devfreq *devfreq)
diff --git a/drivers/gpu/drm/lima/lima_devfreq.h b/drivers/gpu/drm/lima/lima_devfreq.h
index 2d9b3008ce77..688ee71e263a 100644
--- a/drivers/gpu/drm/lima/lima_devfreq.h
+++ b/drivers/gpu/drm/lima/lima_devfreq.h
@@ -8,15 +8,12 @@
#include <linux/ktime.h>
struct devfreq;
-struct opp_table;
struct thermal_cooling_device;
struct lima_device;
struct lima_devfreq {
struct devfreq *devfreq;
- struct opp_table *clkname_opp_table;
- struct opp_table *regulators_opp_table;
struct thermal_cooling_device *cooling;
ktime_t busy_time;
--
2.30.2
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