[PATCH] arm64: dts: qcom: hamoa: Fix OPP tables for all DisplayPort controllers
From: Abel Vesa
Date: Mon Mar 09 2026 - 10:50:23 EST
According to internal documentation, the corners specific for each rate
from the DP link clock are:
- LOWSVS_D1 -> 19.2 MHz
- LOWSVS -> 270 MHz
- SVS -> 540 MHz (594 MHz in case of DP3)
- SVS_L1 -> 594 MHz
- NOM -> 810 MHz
- NOM_L1 -> 810 MHz
- TURBO -> 810 MHz
So fix all tables for each of the four controllers according to the
documentation.
The 19.2 @ LOWSVS_D1 isn't needed as the controller will select 162 MHz
for RBR, which falls under the 270 MHz and it will vote for that LOWSVS
in that case.
Cc: stable@xxxxxxxxxxxxxxx # v6.9+
Fixes: 1940c25eaa63 ("arm64: dts: qcom: x1e80100: Add display nodes")
Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/hamoa.dtsi | 49 +++++++++++++++++--------------------
1 file changed, 22 insertions(+), 27 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom/hamoa.dtsi
index 4b0784af4bd3..645bc412b0aa 100644
--- a/arch/arm64/boot/dts/qcom/hamoa.dtsi
+++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi
@@ -5658,18 +5658,18 @@ mdss_dp0_out: endpoint {
mdss_dp0_opp_table: opp-table {
compatible = "operating-points-v2";
- opp-160000000 {
- opp-hz = /bits/ 64 <160000000>;
- required-opps = <&rpmhpd_opp_low_svs>;
- };
-
opp-270000000 {
opp-hz = /bits/ 64 <270000000>;
- required-opps = <&rpmhpd_opp_svs>;
+ required-opps = <&rpmhpd_opp_low_svs>;
};
opp-540000000 {
opp-hz = /bits/ 64 <540000000>;
+ required-opps = <&rpmhpd_opp_svs>;
+ };
+
+ opp-594000000 {
+ opp-hz = /bits/ 64 <594000000>;
required-opps = <&rpmhpd_opp_svs_l1>;
};
@@ -5747,18 +5747,18 @@ mdss_dp1_out: endpoint {
mdss_dp1_opp_table: opp-table {
compatible = "operating-points-v2";
- opp-160000000 {
- opp-hz = /bits/ 64 <160000000>;
- required-opps = <&rpmhpd_opp_low_svs>;
- };
-
opp-270000000 {
opp-hz = /bits/ 64 <270000000>;
- required-opps = <&rpmhpd_opp_svs>;
+ required-opps = <&rpmhpd_opp_low_svs>;
};
opp-540000000 {
opp-hz = /bits/ 64 <540000000>;
+ required-opps = <&rpmhpd_opp_svs>;
+ };
+
+ opp-594000000 {
+ opp-hz = /bits/ 64 <594000000>;
required-opps = <&rpmhpd_opp_svs_l1>;
};
@@ -5835,18 +5835,18 @@ mdss_dp2_out: endpoint {
mdss_dp2_opp_table: opp-table {
compatible = "operating-points-v2";
- opp-160000000 {
- opp-hz = /bits/ 64 <160000000>;
- required-opps = <&rpmhpd_opp_low_svs>;
- };
-
opp-270000000 {
opp-hz = /bits/ 64 <270000000>;
- required-opps = <&rpmhpd_opp_svs>;
+ required-opps = <&rpmhpd_opp_low_svs>;
};
opp-540000000 {
opp-hz = /bits/ 64 <540000000>;
+ required-opps = <&rpmhpd_opp_svs>;
+ };
+
+ opp-594000000 {
+ opp-hz = /bits/ 64 <594000000>;
required-opps = <&rpmhpd_opp_svs_l1>;
};
@@ -5918,19 +5918,14 @@ mdss_dp3_out: endpoint {
mdss_dp3_opp_table: opp-table {
compatible = "operating-points-v2";
- opp-160000000 {
- opp-hz = /bits/ 64 <160000000>;
- required-opps = <&rpmhpd_opp_low_svs>;
- };
-
opp-270000000 {
opp-hz = /bits/ 64 <270000000>;
- required-opps = <&rpmhpd_opp_svs>;
+ required-opps = <&rpmhpd_opp_low_svs>;
};
- opp-540000000 {
- opp-hz = /bits/ 64 <540000000>;
- required-opps = <&rpmhpd_opp_svs_l1>;
+ opp-594000000 {
+ opp-hz = /bits/ 64 <594000000>;
+ required-opps = <&rpmhpd_opp_svs>;
};
opp-810000000 {
---
base-commit: a0ae2a256046c0c5d3778d1a194ff2e171f16e5f
change-id: 20260309-hamoa-fix-dp3-opp-table-453b8a5e3bc0
Best regards,
--
Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>