On Sat, Sep 13, 2025 at 04:56:38PM -0700, Paul Sajna wrote:
> And supporting msm drm nodes, including backlight
> Depends on https://lore.kernel.org/all/20250910-judyln-panel-v1-1-825c74403bbb@postmarketos.org/T/#r9a976ca01e309b6c03100e984a26a0ffc2fe2002
This should be a part of the cover letter. Once this commit lands, there
is not point in having this information in the commit message.
>
> Signed-off-by: Paul Sajna <sajattack@postmarketos.org>
> Co-authored-by: Amir Dahan <system64fumo@protonmail.com>
> Signed-off-by: Amir Dahan <system64fumo@protonmail.com>
> ---
> arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi | 4 +-
> arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts | 99 ++++++++++++++++++++++++++
> 2 files changed, 101 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
> index df826bca2bef5e3f85cf49708020a47b8d6bd8bb..1bf2f2b0e85de174959ec2467076a95f471a59d4 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
> @@ -461,8 +461,8 @@ &cdsp_pas {
> status = "okay";
> };
>
> -&dispcc {
> - status = "disabled";
> +&gmu {
> + status = "okay";
> };
It's enabled by default, no need to reenable it again.
>
> &gcc {
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> index da093b581c857c5acc9f0e72c9d3519977e13eab..fae85d4c1520e044d8166bb22a8f5762fda250b2 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> @@ -23,6 +23,13 @@ framebuffer@9d400000 {
> format = "a8r8g8b8";
> lab-supply = <&lab>;
> ibb-supply = <&ibb>;
> +
> + panel = <&fb_panel>;
> +
> + fb_panel: fb-panel {
> + width-mm = <72>;
> + height-mm = <153>;
> + };
This is independent, please split to a separate patch.
> };
> };
>
> @@ -72,6 +79,70 @@ &pmi8998_charger {
> monitored-battery = <&battery>;
> };
>
> +&ibb {
Please keep entries sorted out.
> + regulator-min-microvolt = <4600000>;
> + regulator-max-microvolt = <6000000>;
> + regulator-over-current-protection;
> + regulator-pull-down;
> + regulator-soft-start;
> + regulator-always-on;
> + qcom,discharge-resistor-kohms = <300>;
> +};
> +
> +&lab {
> + regulator-min-microvolt = <4600000>;
> + regulator-max-microvolt = <6000000>;
> + regulator-over-current-protection;
> + regulator-pull-down;
> + regulator-soft-start;
> +};
> +
> +&mdss {
> + status = "okay";
> +};
> +
> +&mdss_dsi0 {
> + vdda-supply = <&vdda_mipi_dsi0_1p2>;
> +
> + status = "okay";
> +
> + display_panel: panel@0 {
> + reg = <0>;
> + compatible = "lg,sw49410";
> +
> + ibb-supply = <&ibb>;
> + lab-supply = <&lab>;
> +
> + backlight = <&pmi8998_wled>;
> + reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;
> +
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&sde_dsi_active &sde_te_active>;
> + pinctrl-1 = <&sde_dsi_sleep &sde_te_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>;
> +};
> +
> +&pmi8998_wled {
> + status = "okay";
> +};
> +
> &tlmm {
> thinq_key_default: thinq-key-default-state {
> pins = "gpio89";
> @@ -80,6 +151,34 @@ thinq_key_default: thinq-key-default-state {
> drive-strength = <2>;
> bias-pull-up;
> };
> +
> + sde_dsi_active: sde-dsi-active-state {
And here too.
> + 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: sde-te-active-state {
> + pins = "gpio10";
> + function = "mdp_vsync";
> + drive-strength = <2>;
> + bias-disable;
> + };
> +
> + sde_te_sleep: sde-te-sleep-state {
> + pins = "gpio10";
> + function = "mdp_vsync";
> + drive-strength = <2>;
> + bias-pull-down;
> + };
> };
>
> &uart6 {
>
> --
> 2.51.0
>
--
With best wishes
Dmitry