[Solved] Suspend mode

Chip Platform Rockchip
1

Hi there.
dmesg

[  598.653818] rk3288-lcdc lcdc0: blank mode:0
[  598.654432]
[  598.654432] rk_fb_switch_screen lcdc_id 0 type 1 enable 0
[  598.654919] VGA SUSPEND
[  598.656586] rk_iommu ff930300.vopb_mmu: (vopb) Disabled
[  598.656662] rk_iommu ff930300.vopb_mmu: rockchip_iommu_detach_device: Detached IOMMU with pgtable 0x2e26f000
[  598.681570] rk3288-lcdc lcdc0: blank mode:1
[  598.681632] rk3288-lcdc lcdc0: blank mode:4
[  598.681671] ddrfreq: change auto self refresh to 1 when suspend
[  598.683270] ddrfreq: change freq to 200 MHz when suspend

I am not using display, but i need full power of the device to processing many data:)
How to disable changing frequencies when suspend or disable suspend mode?

2

Solution:
cat > /etc/X11/xorg.conf

Section "Monitor"
Option          "NODPMS"
EndSection
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