After blank screen I have to switch ctrl alt f2 ctrl alt f1 to get screen not blank again

[Leo Treasure]

After blank screen I have to switch ctrl alt f2 ctrl alt f1 to get screen not blank again

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
Uname: Linux 4.18.5-041805-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.3
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Thu Sep 20 13:52:38 2018
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
DkmsStatus:
 amdgpu, 18.30-641594, 4.15.0-34-generic, x86_64: installed
 amdgpu, 18.30-641594, 4.15.0-35-generic, x86_64: installed
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Vega [Radeon RX Vega] [1002:687f] (rev c0) (prog-if 00 [VGA controller])
   Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Vega 10 XT [Radeon RX Vega 64] [1002:6b76]
InstallationDate: Installed on 2018-04-27 (145 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
MachineType: Gigabyte Technology Co., Ltd. X399 AORUS Gaming 7
ProcEnviron:
 LANGUAGE=en_AU:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_AU.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.5-041805-generic root=UUID=9620a532-c2fe-49a3-8d3f-40e6c3b60bb0 ro quiet splash usbcore.autosuspend=-1 pci=noaer vt.handoff=1
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/10/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F10
dmi.board.asset.tag: Default string
dmi.board.name: X399 AORUS Gaming 7
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF10:bd07/10/2018:svnGigabyteTechnologyCo.,Ltd.:pnX399AORUSGaming7:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnX399AORUSGaming7:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: Default string
dmi.product.name: X399 AORUS Gaming 7
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.91-2
version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.5-0ubuntu0~18.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~18.04.1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20171229-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2