[PATCH v2 2/3] drm/mediatek: Add pm_runtime support for GCE power control

Chun-Kuang Hu chunkuang.hu at kernel.org
Sat Nov 1 07:37:51 PDT 2025


Jason-JH Lin <jason-jh.lin at mediatek.com> 於 2025年8月29日 週五 上午9:17寫道:
>
> Call pm_runtime_resume_and_get() before accessing GCE hardware in
> mbox_send_message(), and invoke pm_runtime_put_autosuspend() in the
> cmdq callback to release the PM reference and start autosuspend for
> GCE. This ensures correct power management for the GCE device.

Applied to mediatek-drm-fixes [1], thanks.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-fixes

Regards,
Chun-Kuang.

>
> Fixes: 8afe816b0c99 ("mailbox: mtk-cmdq-mailbox: Implement Runtime PM with autosuspend")
> Signed-off-by: Jason-JH Lin <jason-jh.lin at mediatek.com>
> ---



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