diff mbox series

[v3,09/10] soc: qcom: rpmpd: Hook up VDDMX as parent of SM6375 VDDGX

Message ID 20230313-topic-rpmpd-v3-9-06a4f448ff90@linaro.org
State New
Headers
Series RPMPD cleanup + parent PD |

Commit Message

Konrad Dybcio March 13, 2023, 8 p.m. UTC 
  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>
---
 drivers/soc/qcom/rpmpd.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c
index 2027c820caa7..84283719853c 100644
--- a/drivers/soc/qcom/rpmpd.c
+++ b/drivers/soc/qcom/rpmpd.c
@@ -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,