linux-kernel - Re: [PATCH v2 0/3] drm/panfrost: enable G31 on H616

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Message-ID: <a7ae0472-5003-40a5-9dfa-7e279b4a611f@arm.com>
Date: Mon, 28 Apr 2025 10:26:47 +0100
From: Steven Price <steven.price@....com>
To: Philippe Simons <simons.philippe@...il.com>,
 Boris Brezillon <boris.brezillon@...labora.com>,
 Rob Herring <robh@...nel.org>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Philipp Zabel <p.zabel@...gutronix.de>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 linux-sunxi@...ts.linux.dev, Andre Przywara <andre.przywara@....com>,
 Jernej Škrabec <jernej.skrabec@...il.com>
Subject: Re: [PATCH v2 0/3] drm/panfrost: enable G31 on H616

On 28/04/2025 07:10, Philippe Simons wrote:
> Hi, is there any issue with this serie

Hi,

Sorry, no nothing wrong - it's just slipped through. Thanks for the
reminder. I've applied it to drm-misc-next.

Thanks,
Steve

> Thanks,
> 
> Philippe
> 
> On 4/3/25 07:52, Philippe Simons wrote:
>> Allwinner H616 has a dedicated power domain for its Mali G31.
>>
>> Currently after probe, the GPU is put in runtime suspend which
>> disable the power domain.
>> On first usage of GPU, the power domain enable hangs the system.
>>
>> This series adds the necessary calls to enable the clocks and
>> deasserting the reset line after the power domain enabling and
>> asserting the reset line and disabling the clocks prior to the
>> power domain disabling.
>>
>> This allows to use the Mali GPU on all Allwinner H616
>> boards and devices.
>>
>> Changelog v1 .. v2:
>> - merge flags to a single GPU_PM_RT flag
>> - reorder init/deinit powerup/down sequences according to
>>    Mali manuals.
>> Link to v1:
>> https://lore.kernel.org/linux-sunxi/20250312232319.25712-1-
>> simons.philippe@...il.com/
>>
>> Philippe Simons (3):
>>    drm/panfrost: Add PM runtime flag
>>    drm/panfrost: add h616 compatible string
>>    drm/panfrost: reorder pd/clk/rst sequence
>>
>>   drivers/gpu/drm/panfrost/panfrost_device.c | 71 ++++++++++++++++------
>>   drivers/gpu/drm/panfrost/panfrost_device.h |  3 +
>>   drivers/gpu/drm/panfrost/panfrost_drv.c    |  8 +++
>>   3 files changed, 63 insertions(+), 19 deletions(-)
>>
>>
>> base-commit: 2014c95afecee3e76ca4a56956a936e23283f05b
>> prerequisite-patch-id: eb8a11e2b24bb282970d8b8528834dea7ee392cc