[PATCH v2 00/14] Add regulator devfreq support to Panfrost

From: ClÃment PÃron
Date: Sat Jul 04 2020 - 06:25:58 EST


Hi,

This serie cleans and adds regulator support to Panfrost devfreq.
This is mostly based on comment for the freshly introduced lima
devfreq.

We need to add regulator support because on Allwinner the GPU OPP
table defines both frequencies and voltages.

First patches [01-07] should not change the actual behavior
and introduce a proper panfrost_devfreq struct.

Regards,
ClÃment

ClÃment PÃron (14):
drm/panfrost: avoid static declaration
drm/panfrost: clean headers in devfreq
drm/panfrost: don't use pfdevfreq.busy_count to know if hw is idle
drm/panfrost: introduce panfrost_devfreq struct
drm/panfrost: use spinlock instead of atomic
drm/panfrost: properly handle error in probe
drm/panfrost: rename error labels in device_init
drm/panfrost: move devfreq_init()/fini() in device
drm/panfrost: dynamically alloc regulators
drm/panfrost: add regulators to devfreq
arm64: defconfig: Enable devfreq cooling device
arm64: dts: allwinner: h6: Add cooling map for GPU
[DO NOT MERGE] arm64: dts: allwinner: h6: Add GPU OPP table
[DO NOT MERGE] arm64: dts: allwinner: force GPU regulator to be always

.../dts/allwinner/sun50i-h6-beelink-gs1.dts | 1 +
arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 102 +++++++++++
arch/arm64/configs/defconfig | 1 +
drivers/gpu/drm/panfrost/panfrost_devfreq.c | 165 ++++++++++++------
drivers/gpu/drm/panfrost/panfrost_devfreq.h | 30 +++-
drivers/gpu/drm/panfrost/panfrost_device.c | 61 ++++---
drivers/gpu/drm/panfrost/panfrost_device.h | 14 +-
drivers/gpu/drm/panfrost/panfrost_drv.c | 15 +-
drivers/gpu/drm/panfrost/panfrost_job.c | 10 +-
9 files changed, 290 insertions(+), 109 deletions(-)

--
2.25.1