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Date: Fri, 1 Jan 2021 16:54:53 +0000
From: Yangtao Li <tiny.windzz@...il.com>
To: myungjoo.ham@...sung.com, kyungmin.park@...sung.com,
cw00.choi@...sung.com, krzk@...nel.org, shawnguo@...nel.org,
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Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-samsung-soc@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-tegra@...r.kernel.org,
dri-devel@...ts.freedesktop.org, lima@...ts.freedesktop.org,
linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
linux-media@...r.kernel.org, linux-mmc@...r.kernel.org,
linux-spi@...r.kernel.org, linux-serial@...r.kernel.org
Subject: [PATCH 17/31] drm/lima: convert to use devm_pm_opp_* API
Use devm_pm_opp_* API to simplify code, and remove opp_table
from lima_devfreq.
Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
drivers/gpu/drm/lima/lima_devfreq.c | 40 ++++++++---------------------
drivers/gpu/drm/lima/lima_devfreq.h | 2 --
2 files changed, 10 insertions(+), 32 deletions(-)
diff --git a/drivers/gpu/drm/lima/lima_devfreq.c b/drivers/gpu/drm/lima/lima_devfreq.c
index 5686ad4aaf7c..d5937cf86504 100644
--- a/drivers/gpu/drm/lima/lima_devfreq.c
+++ b/drivers/gpu/drm/lima/lima_devfreq.c
@@ -99,13 +99,6 @@ 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)
@@ -125,15 +118,11 @@ 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 = devm_pm_opp_set_clkname(dev, "core");
+ if (IS_ERR(opp_table))
+ return PTR_ERR(opp_table);
- opp_table = dev_pm_opp_set_regulators(dev,
+ opp_table = devm_pm_opp_set_regulators(dev,
(const char *[]){ "mali" },
1);
if (IS_ERR(opp_table)) {
@@ -141,24 +130,20 @@ int lima_devfreq_init(struct lima_device *ldev)
/* 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 +152,7 @@ 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 +164,6 @@ 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..c3bcae76ca07 100644
--- a/drivers/gpu/drm/lima/lima_devfreq.h
+++ b/drivers/gpu/drm/lima/lima_devfreq.h
@@ -15,8 +15,6 @@ 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;
--
2.25.1
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