On 08/02/2023 10:37, AngeloGioacchino Del Regno wrote: > 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; Yay! ;) I never did like Panfrost dealing with two regulators. > 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. It's a shame to need a new compatible, but it seems sensible to me. For the panfrost changes: Reviewed-by: Steven Price <steven.price@xxxxxxx> I'll let others comment on the DT binding changes. Thanks, Steve > 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 (6): > dt-bindings: gpu: mali-bifrost: Don't allow sram-supply by default > dt-bindings: gpu: mali-bifrost: Allow up to 5 power domains for MT8192 > dt-bindings: gpu: mali-bifrost: Add compatible for MT8195 SoC > dt-bindings: gpu: mali-bifrost: Add new MT8183 compatible > dt-bindings: gpu: mali-bifrost: Add a compatible for MediaTek MT8186 > drm/panfrost: Add new compatible for Mali on the MT8183 SoC > > .../bindings/gpu/arm,mali-bifrost.yaml | 68 +++++++++++++++++-- > drivers/gpu/drm/panfrost/panfrost_device.h | 2 +- > drivers/gpu/drm/panfrost/panfrost_drv.c | 28 ++++++++ > drivers/gpu/drm/panfrost/panfrost_gpu.c | 8 +++ > 4 files changed, 99 insertions(+), 7 deletions(-) >
