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soc: qcom: rpmhpd: Mark mx as a parent for cx

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Specify the active + sleep and active-only MX power domains as
the parents of the corresponding CX power domains. This will ensure that
performance state requests on CX automatically generate equivalent requests
on MX power domains.

This is used to enforce a requirement that exists for various
hardware blocks on SDM845 that MX performance state >= CX performance
state for a given operating frequency.

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
This commit is contained in:
Rajendra Nayak 2019-01-10 09:32:09 +05:30 committed by Andy Gross
parent 279b7e8a62
commit 0503aec22c
1 changed files with 11 additions and 0 deletions
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11
drivers/soc/qcom/rpmhpd.c
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@ -101,12 +101,14 @@ static struct rpmhpd sdm845_cx_ao;
static struct rpmhpd sdm845_cx = {
.pd = { .name = "cx", },
.peer = &sdm845_cx_ao,
.parent = &sdm845_mx.pd,
.res_name = "cx.lvl",
};
static struct rpmhpd sdm845_cx_ao = {
.pd = { .name = "cx_ao", },
.peer = &sdm845_cx,
.parent = &sdm845_mx_ao.pd,
.res_name = "cx.lvl",
};
@ -376,6 +378,15 @@ static int rpmhpd_probe(struct platform_device *pdev)
data->domains[i] = &rpmhpds[i]->pd;
}
/* Add subdomains */
for (i = 0; i < num_pds; i++) {
if (!rpmhpds[i])
continue;
if (rpmhpds[i]->parent)
pm_genpd_add_subdomain(rpmhpds[i]->parent,
&rpmhpds[i]->pd);
}
return of_genpd_add_provider_onecell(pdev->dev.of_node, data);
}