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64111a0e22
It was noticed when setting the Panfrost's DVFS device to the performant
governor, GPU frequency as reported by fdinfo had dropped to 0 permamently.
There are two separate issues causing this behaviour:
- Not initialising the device's current_frequency variable to its original
value during device probe().
- Updating said variable in Panfrost devfreq's get_dev_status() rather
than after the new OPP's frequency had been retrieved in target(), which
meant the old frequency would be assigned instead.
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Fixes: f11b0417ee ("drm/panfrost: Add fdinfo support GPU load metrics")
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231125205438.375407-3-adrian.larumbe@collabora.com