Re: [PATCH] PCI: qcom: Prevent GDSC power down on suspend

[Konrad Dybcio]

On 1/28/26 1:22 PM, Krishna Chaitanya Chundru wrote:
> Currently, the driver expects the devices to remain in D0 across system
> suspend, but the genpd framework may still power down the associated
> GDSC during suspend. When that happens, the PCIe link goes down and
> cannot be recovered on resume.
> 
> Prevent genpd from turning off the PCIe GDSC by using
> dev_pm_genpd_rpm_always_on() so that the power domain stays on while
> the controller is suspended. This preserves the link state across
> suspend/resume and avoids unrecoverable link failures.
> 
> Fixes: 82a823833f4e ("PCI: qcom: Add Qualcomm PCIe controller driver")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@xxxxxxxxxxxxxxxx>
> ---

How does this play along with your D3Cold series?

Is this patch supposed to be applied first?

Konrad