Thread (5 messages) flat view 5 messages, 3 authors, 2021-11-29

Re: [PATCH v3] PCI: mediatek-gen3: Disable DVFSRC voltage request

From: Lorenzo Pieralisi <hidden>
Date: 2021-11-29 12:13:10
Also in: linux-mediatek, linux-pci, lkml

On Fri, 15 Oct 2021 14:36:02 +0800, Jianjun Wang wrote:
When the DVFSRC (dynamic voltage and frequency scaling resource collector)
feature is not implemented, the PCIe hardware will assert a voltage request
signal when exit from the L1 PM Substates to request a specific Vcore
voltage, but cannot receive the voltage ready signal, which will cause
the link to fail to exit the L1 PM Substates.

Disable DVFSRC voltage request by default, we need to find a common way to
enable it in the future.

[...]
Applied to pci/mediatek-gen3, thanks!

[1/1] PCI: mediatek-gen3: Disable DVFSRC voltage request
      https://git.kernel.org/lpieralisi/pci/c/ab344fd43f

Thanks,
Lorenzo

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