On Wed, Dec 03, 2025 at 01:40:54AM -0800, Paul Sajna wrote:
> Also include other supporting msm drm nodes, including backlight
>
> Co-developed-by: Amir Dahan <[email protected]>
> Signed-off-by: Amir Dahan <[email protected]>
> Reviewed-by: Konrad Dybcio <[email protected]>
> Signed-off-by: Paul Sajna <[email protected]>
> ---
> arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi | 8 +--
> arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts | 75
> +++++++++++++++++++++-----
> 2 files changed, 66 insertions(+), 17 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
> b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
> index 165523db4d49..50921af83a51 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
> @@ -450,10 +450,6 @@ &cdsp_pas {
> status = "okay";
> };
>
> -&dispcc {
> - status = "disabled";
> -};
> -
> &gcc {
> protected-clocks = <GCC_QSPI_CORE_CLK>,
> <GCC_QSPI_CORE_CLK_SRC>,
> @@ -517,6 +513,10 @@ led@5 {
> };
> };
>
> +&pmi8998_wled {
> + status = "okay";
> +};
> +
> &sdhc_2 {
> cd-gpios = <&tlmm 126 GPIO_ACTIVE_LOW>;
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> index 55bfddab3afd..506e6fe8e798 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> @@ -13,19 +13,6 @@ / {
> model = "LG G7 ThinQ";
> compatible = "lg,judyln", "qcom,sdm845";
>
> - chosen {
> - framebuffer@9d400000 {
> - compatible = "simple-framebuffer";
> - reg = <0x0 0x9d400000 0x0 (1440 * 3120 * 4)>;
> - width = <1440>;
> - height = <3120>;
> - stride = <(1440 * 4)>;
> - format = "a8r8g8b8";
> - lab-supply = <&lab>;
> - ibb-supply = <&ibb>;
> - };
> - };
I think, you can leave simple-fb in place. MSM driver should be able to
replace it once it is loaded.
> -
> /* Additional ThinQ key */
> gpio-keys {
> pinctrl-0 = <&vol_up_pin_a &thinq_key_default>;
> @@ -67,6 +54,47 @@ &gpu_zap_shader {
> firmware-name = "qcom/sdm845/judyln/a630_zap.mbn";
> };
>
> +&mdss {
> + status = "okay";
> +};
> +
> +&mdss_dsi0 {
> + vdda-supply = <&vdda_mipi_dsi0_1p2>;
> +
> + status = "okay";
> +
> + display_panel: panel@0 {
> + reg = <0>;
> + compatible = "lg,sw49410-lh609qh1", "lg,sw49410";
> +
> + backlight = <&pmi8998_wled>;
> + reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;
> + width-mm = <65>;
> + height-mm = <140>;
> +
> + pinctrl-0 = <&sde_dsi_active &sde_te_active_sleep>;
> + pinctrl-1 = <&sde_dsi_sleep &sde_te_active_sleep>;
> + pinctrl-names = "default", "sleep";
> +
> + port {
> + panel_in: endpoint {
> + remote-endpoint = <&mdss_dsi0_out>;
> + };
> + };
> + };
> +};
> +
> +&mdss_dsi0_phy {
> + vdds-supply = <&vdda_mipi_dsi0_pll>;
> +
> + status = "okay";
> +};
> +
> +&mdss_dsi0_out {
> + remote-endpoint = <&panel_in>;
> + data-lanes = <0 1 2 3>;
> +};
> +
> &mss_pil {
> firmware-name = "qcom/sdm845/judyln/mba.mbn",
> "qcom/sdm845/judyln/modem.mbn";
> };
> @@ -85,4 +113,25 @@ thinq_key_default: thinq-key-default-state {
> drive-strength = <2>;
> bias-pull-up;
> };
> +
> + sde_dsi_active: sde-dsi-active-state {
> + pins = "gpio6";
> + function = "gpio";
> + drive-strength = <8>;
> + bias-disable;
> + };
> +
> + sde_dsi_sleep: sde-dsi-sleep-state {
> + pins = "gpio6";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-pull-down;
> + };
> +
> + sde_te_active_sleep: sde-te-active-sleep-state {
> + pins = "gpio10";
> + function = "mdp_vsync";
> + drive-strength = <2>;
> + bias-pull-down;
> + };
> };
>
> --
> 2.52.0
>
--
With best wishes
Dmitry
