Re: [PATCH v5 00/12] Panfrost: Improve and add MediaTek SoCs support

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On Thu, 23 Mar 2023 09:24:06 +0100
AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
wrote:

> Il 16/03/23 11:20, AngeloGioacchino Del Regno ha scritto:
> > Changes in v5:
> >   - Changed minItems for power-domain-names in base schema as
> >     suggested by Rob
> > 
> > Changes in v4:
> >   - Refactored power-domains and power-domain-names exclusions as
> >     suggested by Krzysztof
> >   - Small changes in MT8192 bindings addition
> > 
> > Changes in v3:
> >   - Changed MT8186 bindings to declare only two power domains
> >   - Added a commit introducing MT8186 specific platform data to
> >     panfrost_drv
> > 
> > Changes in v2:
> >   - Add power-domain-names commit from Chen-Yu to the series
> >   - Kept sram-supply in base schema, overridden for non-MediaTek
> >   - Added Reviewed-by tags from Steven Price to the driver commits
> >     (as released in reply to v1's cover letter - thanks!)
> > 
> > This series adds support for new MediaTek SoCs (MT8186/MT8192/MT8195)
> > and improves MT8183 support: since the mtk-regulator-coupler driver
> > was picked, it is now useless for Panfrost to look for, and manage,
> > two regulators (GPU Vcore and GPU SRAM) on MediaTek;
> > 
> > The aforementioned driver will take care of keeping the voltage
> > relation (/constraints) of the two regulators on its own when a
> > voltage change request is sent to the Vcore, solving the old time
> > issue with not working DVFS on Panfrost+MediaTek (due to devfreq
> > supporting only single regulator).
> > 
> > In the specific case of MT8183, in order to not break the ABI, it
> > was necessary to add a new compatible for enabling DVFS.
> > 
> > Alyssa Rosenzweig (3):
> >    drm/panfrost: Increase MAX_PM_DOMAINS to 5
> >    drm/panfrost: Add the MT8192 GPU ID
> >    drm/panfrost: Add mediatek,mt8192-mali compatible
> > 
> > AngeloGioacchino Del Regno (9):
> >    dt-bindings: gpu: mali-bifrost: Split out MediaTek power-domains
> >      variation
> >    dt-bindings: gpu: mali-bifrost: Set power-domains maxItems to 5
> >    dt-bindings: gpu: mali-bifrost: Fix power-domain-names validation
> >    dt-bindings: gpu: mali-bifrost: Add sub-schema for MT8192's power
> >      domains
> >    dt-bindings: gpu: mali-bifrost: Add new MT8183 compatible
> >    dt-bindings: gpu: mali-bifrost: Add support for MediaTek MT8186
> >    dt-bindings: gpu: mali-bifrost: Add compatible for MT8195 SoC
> >    drm/panfrost: Add new compatible for Mali on the MT8183 SoC
> >    drm/panfrost: Add support for Mali on the MT8186 SoC
> > 
> >   .../bindings/gpu/arm,mali-bifrost.yaml        | 80 ++++++++++++++++++-
> >   drivers/gpu/drm/panfrost/panfrost_device.h    |  2 +-
> >   drivers/gpu/drm/panfrost/panfrost_drv.c       | 37 +++++++++
> >   drivers/gpu/drm/panfrost/panfrost_gpu.c       |  8 ++
> >   4 files changed, 123 insertions(+), 4 deletions(-)
> >   
> 
> Hello maintainers,
> 
> this series is fully tested, fully reviewed and fully ready.
> 
> Can anyone please pick it ASAP, so that we can finally get GPU support
> on MediaTek SoCs (including lots of Chromebooks)?

Queued to drm-misc-next.

Thanks,

Boris



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