diff mbox series

[v4,3/4] arm64/dts/qcom/sdm845: remove assigned-clock-rate property for mdp clk

Message ID 1646300401-9063-4-git-send-email-quic_vpolimer@quicinc.com (mailing list archive)
State Superseded
Headers show
Series Update mdp clk to max supported value to support higher refresh rates | expand

Commit Message

Vinod Polimera March 3, 2022, 9:40 a.m. UTC
Kernel clock driver assumes that initial rate is the
max rate for that clock and was not allowing it to scale
beyond the assigned clock value.

Drop the assigned clock rate property and vote on the mdp clock as per
calculated value during the usecase.

Fixes: 08c2a076d1("arm64: dts: qcom: sdm845: Add dpu to sdm845 dts file")
Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com>
---
 arch/arm64/boot/dts/qcom/sdm845.dtsi | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

Comments

Stephen Boyd March 3, 2022, 10:06 p.m. UTC | #1
Quoting Vinod Polimera (2022-03-03 01:40:00)
> Kernel clock driver assumes that initial rate is the
> max rate for that clock and was not allowing it to scale
> beyond the assigned clock value.
>
> Drop the assigned clock rate property and vote on the mdp clock as per
> calculated value during the usecase.
>
> Fixes: 08c2a076d1("arm64: dts: qcom: sdm845: Add dpu to sdm845 dts file")
> Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com>
> ---

Reviewed-by: Stephen Boyd <swboyd@chromium.org>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 0d6286d..80dc486 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -4181,9 +4181,6 @@ 
 				 <&dispcc DISP_CC_MDSS_MDP_CLK>;
 			clock-names = "iface", "core";
 
-			assigned-clocks = <&dispcc DISP_CC_MDSS_MDP_CLK>;
-			assigned-clock-rates = <300000000>;
-
 			interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
 			interrupt-controller;
 			#interrupt-cells = <1>;
@@ -4214,10 +4211,8 @@ 
 					 <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
 				clock-names = "gcc-bus", "iface", "bus", "core", "vsync";
 
-				assigned-clocks = <&dispcc DISP_CC_MDSS_MDP_CLK>,
-						  <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
-				assigned-clock-rates = <300000000>,
-						       <19200000>;
+				assigned-clocks = <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+				assigned-clock-rates = <19200000>;
 				operating-points-v2 = <&mdp_opp_table>;
 				power-domains = <&rpmhpd SDM845_CX>;