Re: [PATCH 3/7] soc: qcom: rpmpd: Hook up VDDMX as parent of SM6375 VDDGX

[Dmitry Baryshkov]

On 25/01/2023 05:27, Konrad Dybcio wrote:
> The GPU core clock requires that both VDDGX and VDDMX domains are scaled
> at the same rate at the same time (well, MX just before GX but you get
> the idea). Set MX as parent of GX to take care of that.
>
> Suggested-by: Bjorn Andersson <andersson@xxxxxxxxxx>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> ---
>   drivers/soc/qcom/rpmpd.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c
> index 9a7da7cead9e..a69182618b76 100644
> --- a/drivers/soc/qcom/rpmpd.c
> +++ b/drivers/soc/qcom/rpmpd.c
> @@ -1027,6 +1027,7 @@ static struct rpmpd sm6375_vddgx_ao;
>   static struct rpmpd sm6375_vddgx = {
>   	.pd = {	.name = "vddgx", },
>   	.peer = &sm6375_vddgx_ao,
> +	.parent = &sm6125_vddmx.pd,
>   	.res_type = RPMPD_RWGX,
>   	.res_id = 0,
>   	.key = KEY_LEVEL,
> @@ -1035,6 +1036,7 @@ static struct rpmpd sm6375_vddgx = {
>   static struct rpmpd sm6375_vddgx_ao = {
>   	.pd = {	.name = "vddgx_ao", },
>   	.peer = &sm6375_vddgx,
> +	.parent = &sm6125_vddmx_ao.pd,
>   	.active_only = true,
>   	.res_type = RPMPD_RWGX,
>   	.res_id = 0,

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

--
With best wishes
Dmitry