[U-Boot] dm video question

[Peng Fan]

Hi Simon,

I am trying to coverting mxsfb.c to support dm.

But met the following issue.
"
mxsfb_lcd_bind: Frame buffer size 200400
Video device 'lcdif@021c8000' cannot allocate frame buffer memory -ensure the 
device is set up before relocation
"

I add "u-boot, dm-pre-reloc" in dts as the following, but no help.

&lcdif {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_lcdif_dat
                     &pinctrl_lcdif_ctrl
                     &pinctrl_lcdif_reset>;
        display = <&display0>;
        status = "okay";
        u-boot,dm-pre-reloc;

        display0: display {
                bits-per-pixel = <16>;
                bus-width = <24>;
                u-boot,dm-pre-reloc;
                status = "okay";

                display-timings {
                        native-mode = <&timing0>;
                        u-boot,dm-pre-reloc;
                        timing0: timing0 {
                        u-boot,dm-pre-reloc;
                        clock-frequency = <9200000>;
                        hactive = <480>;
                        vactive = <272>;
                        hfront-porch = <8>;
                        hback-porch = <4>;
                        hsync-len = <41>;
                        vback-porch = <2>;
                        vfront-porch = <4>;
                        vsync-len = <10>;

                        hsync-active = <0>;
                        vsync-active = <0>;
                        de-active = <1>;
                        pixelclk-active = <0>;
                        };
                };
        };
};
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