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

[ClÃment PÃron]

Hi,

On Sat, 4 Jul 2020 at 12:25, ClÃment PÃron <peron.clem@xxxxxxxxx> wrote:
>
> 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

Changes since v1:
 - Collect Steven Price reviewed-by tags
 - Fix spinlock comment
 - Drop OPP clock-name path
 - Drop device_property_test patch
 - Add rename error labels patch

>
> 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
>