Re: [PATCH v7 22/23] drm/mediatek: Power on devices in OVL adaptor when atomic enable

2023-10-06 Thread 胡俊光

[PATCH v7 22/23] drm/mediatek: Power on devices in OVL adaptor when atomic enable

2023-10-06 Thread Hsiao Chien Sung
Different from OVL, OVL adaptor is a pseudo device so we didn't define it in the device tree, consequently, pm_runtime_resume_and_get() called by .atomic_enable() powers on no device in OVL adaptor and leads to power outage in the corresponding IOMMU. To resolve the issue, we implement a function