[PATCH v3 7/7] arm64: dts: qcom: sm8250: correct frequencies in the Iris OPP table

Dmitry Baryshkov posted 7 patches 5 days, 13 hours ago
There is a newer version of this series
[PATCH v3 7/7] arm64: dts: qcom: sm8250: correct frequencies in the Iris OPP table
Posted by Dmitry Baryshkov 5 days, 13 hours ago
The OPP table for the Iris core is wrong, it copies the VDD table from
the downstream kernel, but that table is written for the
video_cc_mvs0_clk_src, while the upstream uses video_cc_mvs0_clk for OPP
rate setting (which is clk_src divided by 3). Specify correct
frequencies in the OPP table.

Fixes: fa245b3f06cd ("arm64: dts: qcom: sm8250: Add venus DT node")
Reported-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sm8250.dtsi | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index d8be5c1add1b..7d11f1a28546 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -4350,26 +4350,26 @@ venus: video-codec@aa00000 {
 			venus_opp_table: opp-table {
 				compatible = "operating-points-v2";
 
-				opp-720000000 {
-					opp-hz = /bits/ 64 <720000000>;
+				opp-240000000 {
+					opp-hz = /bits/ 64 <240000000>;
 					required-opps = <&rpmhpd_opp_svs>,
 							<&rpmhpd_opp_low_svs>;
 				};
 
-				opp-1014000000 {
-					opp-hz = /bits/ 64 <1014000000>;
+				opp-338000000 {
+					opp-hz = /bits/ 64 <338000000>;
 					required-opps = <&rpmhpd_opp_svs>,
 							<&rpmhpd_opp_svs>;
 				};
 
-				opp-1098000000 {
-					opp-hz = /bits/ 64 <1098000000>;
+				opp-366000000 {
+					opp-hz = /bits/ 64 <366000000>;
 					required-opps = <&rpmhpd_opp_svs_l1>,
 							<&rpmhpd_opp_svs_l1>;
 				};
 
-				opp-1332000000 {
-					opp-hz = /bits/ 64 <1332000000>;
+				opp-444000000 {
+					opp-hz = /bits/ 64 <444000000>;
 					required-opps = <&rpmhpd_opp_svs_l1>,
 							<&rpmhpd_opp_nom>;
 				};

-- 
2.47.3
Re: [PATCH v3 7/7] arm64: dts: qcom: sm8250: correct frequencies in the Iris OPP table
Posted by Dikshita Agarwal 4 days, 7 hours ago

On 2/4/2026 6:29 AM, Dmitry Baryshkov wrote:
> The OPP table for the Iris core is wrong, it copies the VDD table from
> the downstream kernel, but that table is written for the
> video_cc_mvs0_clk_src, while the upstream uses video_cc_mvs0_clk for OPP
> rate setting (which is clk_src divided by 3). Specify correct
> frequencies in the OPP table.
> 
> Fixes: fa245b3f06cd ("arm64: dts: qcom: sm8250: Add venus DT node")
> Reported-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/sm8250.dtsi | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> index d8be5c1add1b..7d11f1a28546 100644
> --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> @@ -4350,26 +4350,26 @@ venus: video-codec@aa00000 {
>  			venus_opp_table: opp-table {
>  				compatible = "operating-points-v2";
>  
> -				opp-720000000 {
> -					opp-hz = /bits/ 64 <720000000>;
> +				opp-240000000 {
> +					opp-hz = /bits/ 64 <240000000>;
>  					required-opps = <&rpmhpd_opp_svs>,
>  							<&rpmhpd_opp_low_svs>;
>  				};
>  
> -				opp-1014000000 {
> -					opp-hz = /bits/ 64 <1014000000>;
> +				opp-338000000 {
> +					opp-hz = /bits/ 64 <338000000>;
>  					required-opps = <&rpmhpd_opp_svs>,
>  							<&rpmhpd_opp_svs>;
>  				};
>  
> -				opp-1098000000 {
> -					opp-hz = /bits/ 64 <1098000000>;
> +				opp-366000000 {
> +					opp-hz = /bits/ 64 <366000000>;
>  					required-opps = <&rpmhpd_opp_svs_l1>,
>  							<&rpmhpd_opp_svs_l1>;
>  				};
>  
> -				opp-1332000000 {
> -					opp-hz = /bits/ 64 <1332000000>;
> +				opp-444000000 {
> +					opp-hz = /bits/ 64 <444000000>;
>  					required-opps = <&rpmhpd_opp_svs_l1>,
>  							<&rpmhpd_opp_nom>;
>  				};
> 

Reviewed-by: Dikshita Agarwal <dikshita.agarwal@oss.qualcomm.com>

Thanks,
Dikshita