Downstream sources confirm sm6125 supports CQE, and after fixing the
reg name for this range [1] this feature probes and enables correctly:

    [    0.391950] sdhci_msm 4744000.mmc: mmc0: CQE init: success

[1]: https://lore.kernel.org/all/20221026163646.37433-1-krzysztof.kozlowski@linaro.org/

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
---
 arch/arm64/boot/dts/qcom/sm6125.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm6125.dtsi b/arch/arm64/boot/dts/qcom/sm6125.dtsi
index b27f42f19fae..7b5c09547b73 100644
--- a/arch/arm64/boot/dts/qcom/sm6125.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6125.dtsi
@@ -1061,6 +1061,8 @@ sdhc_1: mmc@4744000 {
 
 			bus-width = <8>;
 			non-removable;
+			supports-cqe;
+
 			status = "disabled";
 		};
 
-- 
2.38.1

On Mon, 7 Nov 2022 22:47:01 +0100, Marijn Suijten wrote:
> Downstream sources confirm sm6125 supports CQE, and after fixing the
> reg name for this range [1] this feature probes and enables correctly:
> 
>     [    0.391950] sdhci_msm 4744000.mmc: mmc0: CQE init: success
> 
> [1]: https://lore.kernel.org/all/20221026163646.37433-1-krzysztof.kozlowski@linaro.org/
> 
> [...]

Applied, thanks!

[1/1] arm64: dts: qcom: sm6125: Enable Command Queue Engine (CQE) for SDHCI 1
      commit: f53152d1d4e6c711bb9728611bbe0b32deda36b1

Best regards,
-- 
Bjorn Andersson <andersson@kernel.org>