linux-kernel - Re: [PATCH v3 2/2] arm64: dts: qcom: sm8250: fix display nodes

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Message-ID: <CAA8EJpqaVQ_eLrm2QLPvL+ieMabmKJdy0D9iciuC-G=1aiy1nQ@mail.gmail.com>
Date:   Wed, 17 Feb 2021 00:14:21 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Jonathan Marek <jonathan@...ek.ca>
Cc:     "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <linux-arm-msm@...r.kernel.org>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/2] arm64: dts: qcom: sm8250: fix display nodes

Except for the compatible value changes:

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

May I suggest to split the compatibility name changes into a separate
series from this patch (without it the patch stands a chance of being
accepted into the stable tree, if I'm not mistaken).

On Mon, 15 Feb 2021 at 19:27, Jonathan Marek <jonathan@...ek.ca> wrote:
>
> Apply these fixes to the newly added sm8250 display ndoes
>  - Use sm8250 compatibles instead of sdm845 compatibles
>  - Remove "notused" interconnect (which apparently was blindly copied from
>    my old patches)
>  - Use dispcc node example from dt-bindings, removing clocks which aren't
>    documented or used by the driver and fixing the region size.
>
> Fixes: 7c1dffd471b1 ("arm64: dts: qcom: sm8250.dtsi: add display system nodes")
> Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
> ---
>  arch/arm64/boot/dts/qcom/sm8250.dtsi | 31 +++++++---------------------
>  1 file changed, 8 insertions(+), 23 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> index 947e1accae3a..693ac533f9b6 100644
> --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> @@ -2323,14 +2323,13 @@ usb_2_dwc3: dwc3@...0000 {
>                 };
>
>                 mdss: mdss@...0000 {
> -                       compatible = "qcom,sdm845-mdss";
> +                       compatible = "qcom,sm8250-mdss";
>                         reg = <0 0x0ae00000 0 0x1000>;
>                         reg-names = "mdss";
>
> -                       interconnects = <&gem_noc MASTER_AMPSS_M0 &config_noc SLAVE_DISPLAY_CFG>,
> -                                       <&mmss_noc MASTER_MDP_PORT0 &mc_virt SLAVE_EBI_CH0>,
> +                       interconnects = <&mmss_noc MASTER_MDP_PORT0 &mc_virt SLAVE_EBI_CH0>,
>                                         <&mmss_noc MASTER_MDP_PORT1 &mc_virt SLAVE_EBI_CH0>;
> -                       interconnect-names = "notused", "mdp0-mem", "mdp1-mem";
> +                       interconnect-names = "mdp0-mem", "mdp1-mem";
>
>                         power-domains = <&dispcc MDSS_GDSC>;
>
> @@ -2356,7 +2355,7 @@ mdss: mdss@...0000 {
>                         ranges;
>
>                         mdss_mdp: mdp@...1000 {
> -                               compatible = "qcom,sdm845-dpu";
> +                               compatible = "qcom,sm8250-dpu";
>                                 reg = <0 0x0ae01000 0 0x8f000>,
>                                       <0 0x0aeb0000 0 0x2008>;
>                                 reg-names = "mdp", "vbif";
> @@ -2580,7 +2579,7 @@ opp-358000000 {
>
>                 dispcc: clock-controller@...0000 {
>                         compatible = "qcom,sm8250-dispcc";
> -                       reg = <0 0x0af00000 0 0x20000>;
> +                       reg = <0 0x0af00000 0 0x10000>;
>                         mmcx-supply = <&mmcx_reg>;
>                         clocks = <&rpmhcc RPMH_CXO_CLK>,
>                                  <&dsi0_phy 0>,
> @@ -2588,28 +2587,14 @@ dispcc: clock-controller@...0000 {
>                                  <&dsi1_phy 0>,
>                                  <&dsi1_phy 1>,
>                                  <0>,
> -                                <0>,
> -                                <0>,
> -                                <0>,
> -                                <0>,
> -                                <0>,
> -                                <0>,
> -                                <0>,
> -                                <&sleep_clk>;
> +                                <0>;
>                         clock-names = "bi_tcxo",
>                                       "dsi0_phy_pll_out_byteclk",
>                                       "dsi0_phy_pll_out_dsiclk",
>                                       "dsi1_phy_pll_out_byteclk",
>                                       "dsi1_phy_pll_out_dsiclk",
> -                                     "dp_link_clk_divsel_ten",
> -                                     "dp_vco_divided_clk_src_mux",
> -                                     "dptx1_phy_pll_link_clk",
> -                                     "dptx1_phy_pll_vco_div_clk",
> -                                     "dptx2_phy_pll_link_clk",
> -                                     "dptx2_phy_pll_vco_div_clk",
> -                                     "edp_phy_pll_link_clk",
> -                                     "edp_phy_pll_vco_div_clk",
> -                                     "sleep_clk";
> +                                     "dp_phy_pll_link_clk",
> +                                     "dp_phy_pll_vco_div_clk";
>                         #clock-cells = <1>;
>                         #reset-cells = <1>;
>                         #power-domain-cells = <1>;
> --
> 2.26.1
>


-- 
With best wishes
Dmitry