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soc: qcom: rpmpd: Hook up VDDMX as parent of SM6375 VDDGX 

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@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230313-topic-rpmpd-v3-9-06a4f448ff90@linaro.org
This commit is contained in:
Konrad Dybcio 2023-03-13 21:00:07 +01:00 committed by Bjorn Andersson
parent decd6e77e0
commit ec90637c99
1 changed files with 4 additions and 0 deletions
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4
drivers/soc/qcom/rpmpd.c
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@ -216,18 +216,22 @@ static struct rpmpd gfx_s2b_vfc = {
.key = KEY_FLOOR_CORNER,
};
static struct rpmpd mx_rwmx0_lvl;
static struct rpmpd gx_rwgx0_lvl_ao;
static struct rpmpd gx_rwgx0_lvl = {
.pd = { .name = "gx", },
.peer = &gx_rwgx0_lvl_ao,
.res_type = RPMPD_RWGX,
.parent = &mx_rwmx0_lvl.pd,
.res_id = 0,
.key = KEY_LEVEL,
};
static struct rpmpd mx_rwmx0_lvl_ao;
static struct rpmpd gx_rwgx0_lvl_ao = {
.pd = { .name = "gx_ao", },
.peer = &gx_rwgx0_lvl,
.parent = &mx_rwmx0_lvl_ao.pd,
.active_only = true,
.res_type = RPMPD_RWGX,
.res_id = 0,