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    Subject[RFC resend 1/4] dt-bindings: display: mediatek: add drm binding
    Date
    DRM subysystem and clock driver shared the same compatible mmsys.
    This stopped does not work, as only the first driver for a compatible
    gets probed. We change the comaptible to the new DRM identifier to fix
    this.

    Signed-off-by: Matthias Brugger <mbrugger@suse.com>
    ---
    .../devicetree/bindings/display/mediatek/mediatek,disp.txt | 6 ++++++
    1 file changed, 6 insertions(+)

    diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
    index 383183a89164..6db652463e64 100644
    --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
    +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
    @@ -27,6 +27,7 @@ Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt.

    Required properties (all function blocks):
    - compatible: "mediatek,<chip>-disp-<function>", one of
    + "mediatek,<chip>-dispsys" - central component for the DRM system
    "mediatek,<chip>-disp-ovl" - overlay (4 layers, blending, csc)
    "mediatek,<chip>-disp-rdma" - read DMA / line buffer
    "mediatek,<chip>-disp-wdma" - write DMA
    @@ -71,6 +72,11 @@ mmsys: clock-controller@14000000 {
    #clock-cells = <1>;
    };

    +dispsys: display-system {
    + compatible = "mediatek,mt2701-dispsys";
    + mediatek,mmsys = <&mmsys>;
    +}
    +
    ovl0: ovl@1400c000 {
    compatible = "mediatek,mt8173-disp-ovl";
    reg = <0 0x1400c000 0 0x1000>;
    --
    2.14.2
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