Re: [PATCH] PCI: qcom: Add interconnect bandwidth for PCIe Gen4

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On 23-09-24 18:07:13, Manivannan Sadhasivam wrote:
> PCIe Gen4 supports the interconnect bandwidth of 1969 MBps. So let's add
> the bandwidth support in the driver. Otherwise, the default bandwidth of
> 985 MBps will be used.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>

Tested-by: Abel Vesa <abel.vesa@xxxxxxxxxx>

> ---
>  drivers/pci/controller/dwc/pcie-qcom.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
> index 297442c969b6..6853123f92c1 100644
> --- a/drivers/pci/controller/dwc/pcie-qcom.c
> +++ b/drivers/pci/controller/dwc/pcie-qcom.c
> @@ -1384,11 +1384,14 @@ static void qcom_pcie_icc_update(struct qcom_pcie *pcie)
>  	case 2:
>  		bw = MBps_to_icc(500);
>  		break;
> +	case 3:
> +		bw = MBps_to_icc(985);
> +		break;
>  	default:
>  		WARN_ON_ONCE(1);
>  		fallthrough;
> -	case 3:
> -		bw = MBps_to_icc(985);
> +	case 4:
> +		bw = MBps_to_icc(1969);
>  		break;
>  	}
>  
> -- 
> 2.25.1
> 



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