The bootloader can leave the display running, as it does on the SM8150 HDK with the display card attached. Describe the MDSS reset so that the driver can bring the hardware into a known state before using it.
Assisted-by: LLM Signed-off-by: Dmitry Baryshkov <[email protected]> --- arch/arm64/boot/dts/qcom/sm8150.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi index 293fcbacff34..a2d6e6947c4c 100644 --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi @@ -3817,6 +3817,7 @@ mdss: display-subsystem@ae00000 { iommus = <&apps_smmu 0x800 0x420>; + resets = <&dispcc DISP_CC_MDSS_CORE_BCR>; status = "disabled"; #address-cells = <2>; -- 2.47.3
