On 04/03/2021 12:50, Daniel Lezcano wrote:
Currently the default behavior is to manually having the devfreq
backend to register themselves as a devfreq cooling device.
There are no so many and actually it makes more sense to register the
devfreq device when adding it.
Consequently, every devfreq becomes a cooling device like cpufreq is.
Having a devfreq being registered as a cooling device can not mitigate
a thermal zone if it is not bound to this one. Thus, the current
configurations are not impacted by this change.
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
---
drivers/devfreq/devfreq.c | 8 ++++++++
drivers/gpu/drm/lima/lima_devfreq.c | 13 -------------
drivers/gpu/drm/lima/lima_devfreq.h | 2 --
drivers/gpu/drm/msm/msm_gpu.c | 11 -----------
drivers/gpu/drm/msm/msm_gpu.h | 2 --
drivers/gpu/drm/panfrost/panfrost_devfreq.c | 13 -------------
include/linux/devfreq.h | 3 +++
7 files changed, 11 insertions(+), 41 deletions(-)
[...]
diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
index 56b3f5935703..2cb6300de1f1 100644
--- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c
+++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
@@ -3,7 +3,6 @@
#include <linux/clk.h>
#include <linux/devfreq.h>
-#include <linux/devfreq_cooling.h>
#include <linux/platform_device.h>
#include <linux/pm_opp.h>
@@ -90,7 +89,6 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev)
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,
@@ -139,12 +137,6 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev)
}
pfdevfreq->devfreq = devfreq;
- cooling = devfreq_cooling_em_register(devfreq, NULL);
- if (IS_ERR(cooling))
- DRM_DEV_INFO(dev, "Failed to register cooling device\n");
- else
- pfdevfreq->cooling = cooling;
-
return 0;
err_fini:
@@ -156,11 +148,6 @@ void panfrost_devfreq_fini(struct panfrost_device *pfdev)
{
struct panfrost_devfreq *pfdevfreq = &pfdev->pfdevfreq;
- if (pfdevfreq->cooling) {
- 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;
You've removed all references to pfdevfreq->cooling, so please also
remove the member from struct panfrost_devfreq (as already done with
lima and msm).
Thanks,
Steve
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