Un EEEEeeeEEeeeenorme merci a @xubu1987 et
@inbox 😃 😃 😃
apres avoir changé la ligne :
GRUB_CMDLINE_LINUX=""
en :
RUB_CMDLINE_LINUX="amdgpu.exp_hw_support=1"
et apres un petit reboot l autre ecran s est allumé "comme par magie" 😉
les retour des commandes que tu m as demandé apres reboot au cas ou ca en aide certains :
ouranos@bureau:~$ sudo lshw -sanitize
[sudo] password for ouranos:
computer
description: Notebook
product: TUF Gaming FA706IU_TUF766IU
vendor: ASUSTeK COMPUTER INC.
version: 1.0
serial: [REMOVED]
width: 64 bits
capabilities: smbios-3.2.0 dmi-3.2.0 smp vsyscall32
configuration: boot=normal chassis=notebook family=TUF Gaming FA706IU uuid=[REMOVED]
*-core
description: Motherboard
product: FA706IU
vendor: ASUSTeK COMPUTER INC.
physical id: 0
version: 1.0
serial: [REMOVED]
slot: Default string
*-firmware
description: BIOS
vendor: American Megatrends Inc.
physical id: 0
version: FA706IU.309
date: 07/02/2020
size: 64KiB
capacity: 16MiB
capabilities: pci upgrade shadowing cdboot bootselect socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer acpi usb biosbootspecification uefi
*-memory
description: System Memory
physical id: a
slot: System board or motherboard
size: 16GiB
*-bank:0
description: SODIMM DDR4 Synchronous Unbuffered (Unregistered) 3200 MHz (0,3 ns)
product: 4ATF1G64HZ-3G2E1
vendor: Micron Technology
physical id: 0
serial: [REMOVED]
slot: DIMM 0
size: 8GiB
width: 64 bits
clock: 3200MHz (0.3ns)
*-bank:1
description: SODIMM DDR4 Synchronous Unbuffered (Unregistered) 3200 MHz (0,3 ns)
product: 4ATF1G64HZ-3G2E1
vendor: Micron Technology
physical id: 1
serial: [REMOVED]
slot: DIMM 0
size: 8GiB
width: 64 bits
clock: 3200MHz (0.3ns)
*-cache:0
description: L1 cache
physical id: c
slot: L1 - Cache
size: 512KiB
capacity: 512KiB
clock: 1GHz (1.0ns)
capabilities: pipeline-burst internal write-back unified
configuration: level=1
*-cache:1
description: L2 cache
physical id: d
slot: L2 - Cache
size: 4MiB
capacity: 4MiB
clock: 1GHz (1.0ns)
capabilities: pipeline-burst internal write-back unified
configuration: level=2
*-cache:2
description: L3 cache
physical id: e
slot: L3 - Cache
size: 8MiB
capacity: 8MiB
clock: 1GHz (1.0ns)
capabilities: pipeline-burst internal write-back unified
configuration: level=3
*-cpu
description: CPU
product: AMD Ryzen 7 4800H with Radeon Graphics
vendor: Advanced Micro Devices [AMD]
physical id: f
bus info: cpu@0
version: AMD Ryzen 7 4800H with Radeon Graphics
serial: [REMOVED]
slot: FP6
size: 1390MHz
capacity: 2900MHz
width: 64 bits
clock: 100MHz
capabilities: lm fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp x86-64 constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate sme ssbd mba sev ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca cpufreq
configuration: cores=8 enabledcores=8 threads=16
*-pci:0
description: Host bridge
product: Renoir Root Complex
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 100
bus info: pci@0000:00:00.0
version: 00
width: 32 bits
clock: 33MHz
*-generic UNCLAIMED
description: IOMMU
product: Renoir IOMMU
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 0.2
bus info: pci@0000:00:00.2
version: 00
width: 32 bits
clock: 33MHz
capabilities: msi ht bus_master cap_list
configuration: latency=0
*-pci:0
description: PCI bridge
product: Renoir PCIe GPP Bridge
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 1.1
bus info: pci@0000:00:01.1
version: 00
width: 32 bits
clock: 33MHz
capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:26 ioport:f000(size=4096) memory:fb000000-fc0fffff ioport:b0000000(size=303038464)
*-display UNCLAIMED
description: VGA compatible controller
product: TU116M [GeForce GTX 1660 Ti Mobile]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:01:00.0
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller cap_list
configuration: latency=0
resources: memory:fb000000-fbffffff memory:b0000000-bfffffff memory:c0000000-c1ffffff ioport:f000(size=128) memory:fc000000-fc07ffff
*-multimedia
description: Audio device
product: TU116 High Definition Audio Controller
vendor: NVIDIA Corporation
physical id: 0.1
bus info: pci@0000:01:00.1
version: a1
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=snd_hda_intel latency=0
resources: irq:84 memory:fc080000-fc083fff
*-usb
description: USB controller
product: TU116 USB 3.1 Host Controller
vendor: NVIDIA Corporation
physical id: 0.2
bus info: pci@0000:01:00.2
version: a1
width: 64 bits
clock: 33MHz
capabilities: msi pciexpress pm xhci cap_list
configuration: driver=xhci_hcd latency=0
resources: irq:34 memory:c2000000-c203ffff memory:c2040000-c204ffff
*-usbhost:0
product: xHCI Host Controller
vendor: Linux 5.4.0-45-generic xhci-hcd
physical id: 0
bus info: usb@1
logical name: usb1
version: 5.04
capabilities: usb-2.00
configuration: driver=hub slots=2 speed=480Mbit/s
*-usbhost:1
product: xHCI Host Controller
vendor: Linux 5.4.0-45-generic xhci-hcd
physical id: 1
bus info: usb@2
logical name: usb2
version: 5.04
capabilities: usb-3.10
configuration: driver=hub slots=4 speed=10000Mbit/s
*-serial
description: Serial bus controller
product: TU116 [GeForce GTX 1650 SUPER]
vendor: NVIDIA Corporation
physical id: 0.3
bus info: pci@0000:01:00.3
version: a1
width: 32 bits
clock: 33MHz
capabilities: msi pciexpress pm bus_master cap_list
configuration: driver=nvidia-gpu latency=0
resources: irq:55 memory:fc084000-fc084fff
*-pci:1
description: PCI bridge
product: Renoir PCIe GPP Bridge
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 2.1
bus info: pci@0000:00:02.1
version: 00
width: 32 bits
clock: 33MHz
capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:27 ioport:e000(size=4096) memory:fca00000-fcafffff
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: enp2s0
version: 15
serial: [REMOVED]
size: 1Gbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 duplex=full firmware=rtl8168h-2_0.0.2 02/26/15 ip=[REMOVED] latency=0 link=yes multicast=yes port=MII speed=1Gbit/s
resources: irq:56 ioport:e000(size=256) memory:fca04000-fca04fff memory:fca00000-fca03fff
*-pci:2
description: PCI bridge
product: Renoir PCIe GPP Bridge
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 2.2
bus info: pci@0000:00:02.2
version: 00
width: 32 bits
clock: 33MHz
capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:28 ioport:d000(size=4096) memory:fc900000-fc9fffff
*-network
description: Wireless interface
product: RTL8822CE 802.11ac PCIe Wireless Network Adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0
version: 00
serial: [REMOVED]
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtw_pci driverversion=5.4.0-45-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:83 ioport:d000(size=256) memory:fc900000-fc90ffff
*-pci:3
description: PCI bridge
product: Renoir PCIe GPP Bridge
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 2.3
bus info: pci@0000:00:02.3
version: 00
width: 32 bits
clock: 33MHz
capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:29 memory:fc800000-fc8fffff
*-storage
description: Non-Volatile memory controller
product: E12 NVMe Controller
vendor: Phison Electronics Corporation
physical id: 0
bus info: pci@0000:04:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: storage pciexpress msix msi pm nvm_express bus_master cap_list
configuration: driver=nvme latency=0
resources: irq:57 memory:fc800000-fc803fff
*-pci:4
description: PCI bridge
product: Renoir PCIe GPP Bridge
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 2.4
bus info: pci@0000:00:02.4
version: 00
width: 32 bits
clock: 33MHz
capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:30 memory:fc700000-fc7fffff
*-storage
description: Non-Volatile memory controller
product: Kingston Technology Company, Inc.
vendor: Kingston Technology Company, Inc.
physical id: 0
bus info: pci@0000:05:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: storage pciexpress msix msi pm nvm_express bus_master cap_list
configuration: driver=nvme latency=0
resources: irq:58 memory:fc700000-fc703fff
*-pci:5
description: PCI bridge
product: Renoir Internal PCIe GPP Bridge to Bus
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 8.1
bus info: pci@0000:00:08.1
version: 00
width: 32 bits
clock: 33MHz
capabilities: pci pm pciexpress msi normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:31 ioport:c000(size=4096) memory:fc200000-fc5fffff ioport:d0000000(size=270532608)
*-display
description: VGA compatible controller
product: Renoir
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:06:00.0
version: c6
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi msix vga_controller bus_master cap_list
configuration: driver=amdgpu latency=0
resources: irq:88 memory:d0000000-dfffffff memory:e0000000-e01fffff ioport:c000(size=256) memory:fc500000-fc57ffff
*-multimedia:0
description: Audio device
product: Advanced Micro Devices, Inc. [AMD/ATI]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0.1
bus info: pci@0000:06:00.1
version: 00
width: 32 bits
clock: 33MHz
capabilities: pm pciexpress msi bus_master cap_list
configuration: driver=snd_hda_intel latency=0
resources: irq:86 memory:fc5c8000-fc5cbfff
*-generic UNCLAIMED
description: Encryption controller
product: Family 17h (Models 10h-1fh) Platform Security Processor
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 0.2
bus info: pci@0000:06:00.2
version: 00
width: 32 bits
clock: 33MHz
capabilities: pm pciexpress msi msix cap_list
configuration: latency=0
resources: memory:fc400000-fc4fffff memory:fc5cc000-fc5cdfff
*-usb:0
description: USB controller
product: Renoir USB 3.1
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 0.3
bus info: pci@0000:06:00.3
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi msix xhci bus_master cap_list
configuration: driver=xhci_hcd latency=0
resources: irq:35 memory:fc300000-fc3fffff
*-usbhost:0
product: xHCI Host Controller
vendor: Linux 5.4.0-45-generic xhci-hcd
physical id: 0
bus info: usb@3
logical name: usb3
version: 5.04
capabilities: usb-2.00
configuration: driver=hub slots=4 speed=480Mbit/s
*-usb:0
description: USB hub
product: USB 2.0 Hub
vendor: Terminus Technology Inc.
physical id: 3
bus info: usb@3:3
version: 1.11
capabilities: usb-2.00
configuration: driver=hub maxpower=100mA slots=4 speed=480Mbit/s
*-usb:0
description: Mouse
product: GXT 101 Gaming Mouse
vendor: Trust
physical id: 1
bus info: usb@3:3.1
version: 1.01
capabilities: usb-1.10
configuration: driver=usbhid maxpower=100mA speed=1Mbit/s
*-usb:1
description: Keyboard
product: Razer DeathStalker
vendor: Razer
physical id: 2
bus info: usb@3:3.2
version: 2.00
capabilities: usb-2.00
configuration: driver=usbhid maxpower=500mA speed=12Mbit/s
*-usb:1
description: Video
product: USB2.0 HD UVC WebCam
vendor: Azurewave
physical id: 4
bus info: usb@3:4
version: 19.02
serial: [REMOVED]
capabilities: usb-2.01
configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s
*-usbhost:1
product: xHCI Host Controller
vendor: Linux 5.4.0-45-generic xhci-hcd
physical id: 1
bus info: usb@4
logical name: usb4
version: 5.04
capabilities: usb-3.10
configuration: driver=hub slots=2 speed=10000Mbit/s
*-usb:1
description: USB controller
product: Renoir USB 3.1
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 0.4
bus info: pci@0000:06:00.4
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi msix xhci bus_master cap_list
configuration: driver=xhci_hcd latency=0
resources: irq:44 memory:fc200000-fc2fffff
*-usbhost:0
product: xHCI Host Controller
vendor: Linux 5.4.0-45-generic xhci-hcd
physical id: 0
bus info: usb@5
logical name: usb5
version: 5.04
capabilities: usb-2.00
configuration: driver=hub slots=4 speed=480Mbit/s
*-usb
description: Bluetooth wireless interface
product: Bluetooth Radio
vendor: Realtek
physical id: 1
bus info: usb@5:1
version: 0.00
serial: [REMOVED]
capabilities: bluetooth usb-1.00
configuration: driver=btusb maxpower=500mA speed=12Mbit/s
*-usbhost:1
product: xHCI Host Controller
vendor: Linux 5.4.0-45-generic xhci-hcd
physical id: 1
bus info: usb@6
logical name: usb6
version: 5.04
capabilities: usb-3.10
configuration: driver=hub slots=2 speed=10000Mbit/s
*-multimedia:1 UNCLAIMED
description: Multimedia controller
product: Raven/Raven2/FireFlight/Renoir Audio Processor
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 0.5
bus info: pci@0000:06:00.5
version: 01
width: 32 bits
clock: 33MHz
capabilities: pm pciexpress msi cap_list
configuration: latency=0
resources: memory:fc580000-fc5bffff
*-multimedia:2
description: Audio device
product: Family 17h (Models 10h-1fh) HD Audio Controller
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 0.6
bus info: pci@0000:06:00.6
version: 00
width: 32 bits
clock: 33MHz
capabilities: pm pciexpress msi bus_master cap_list
configuration: driver=snd_hda_intel latency=0
resources: irq:87 memory:fc5c0000-fc5c7fff
*-pci:6
description: PCI bridge
product: Renoir Internal PCIe GPP Bridge to Bus
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 8.2
bus info: pci@0000:00:08.2
version: 00
width: 32 bits
clock: 33MHz
capabilities: pci pm pciexpress msi normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:32 memory:fc600000-fc6fffff
*-sata:0
description: SATA controller
product: FCH SATA Controller [AHCI mode]
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 0
bus info: pci@0000:07:00.0
version: 81
width: 32 bits
clock: 33MHz
capabilities: sata pm pciexpress msi ahci_1.0 bus_master cap_list
configuration: driver=ahci latency=0
resources: irq:62 memory:fc601000-fc6017ff
*-sata:1
description: SATA controller
product: FCH SATA Controller [AHCI mode]
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 0.1
bus info: pci@0000:07:00.1
version: 81
width: 32 bits
clock: 33MHz
capabilities: sata pm pciexpress msi ahci_1.0 bus_master cap_list
configuration: driver=ahci latency=0
resources: irq:64 memory:fc600000-fc6007ff
*-serial
description: SMBus
product: FCH SMBus Controller
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 14
bus info: pci@0000:00:14.0
version: 51
width: 32 bits
clock: 66MHz
configuration: driver=piix4_smbus latency=0
resources: irq:0
*-isa
description: ISA bridge
product: FCH LPC Bridge
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 14.3
bus info: pci@0000:00:14.3
version: 51
width: 32 bits
clock: 66MHz
capabilities: isa bus_master
configuration: latency=0
*-pci:1
description: Host bridge
product: Renoir PCIe Dummy Host Bridge
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 101
bus info: pci@0000:00:01.0
version: 00
width: 32 bits
clock: 33MHz
*-pci:2
description: Host bridge
product: Renoir PCIe Dummy Host Bridge
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 102
bus info: pci@0000:00:02.0
version: 00
width: 32 bits
clock: 33MHz
*-pci:3
description: Host bridge
product: Renoir PCIe Dummy Host Bridge
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 103
bus info: pci@0000:00:08.0
version: 00
width: 32 bits
clock: 33MHz
*-pci:4
description: Host bridge
product: Renoir Device 24: Function 0
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 104
bus info: pci@0000:00:18.0
version: 00
width: 32 bits
clock: 33MHz
*-pci:5
description: Host bridge
product: Renoir Device 24: Function 1
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 105
bus info: pci@0000:00:18.1
version: 00
width: 32 bits
clock: 33MHz
*-pci:6
description: Host bridge
product: Renoir Device 24: Function 2
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 106
bus info: pci@0000:00:18.2
version: 00
width: 32 bits
clock: 33MHz
*-pci:7
description: Host bridge
product: Renoir Device 24: Function 3
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 107
bus info: pci@0000:00:18.3
version: 00
width: 32 bits
clock: 33MHz
configuration: driver=k10temp
resources: irq:0
*-pci:8
description: Host bridge
product: Renoir Device 24: Function 4
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 108
bus info: pci@0000:00:18.4
version: 00
width: 32 bits
clock: 33MHz
*-pci:9
description: Host bridge
product: Renoir Device 24: Function 5
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 109
bus info: pci@0000:00:18.5
version: 00
width: 32 bits
clock: 33MHz
*-pci:10
description: Host bridge
product: Renoir Device 24: Function 6
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 10a
bus info: pci@0000:00:18.6
version: 00
width: 32 bits
clock: 33MHz
*-pci:11
description: Host bridge
product: Renoir Device 24: Function 7
vendor: Advanced Micro Devices, Inc. [AMD]
physical id: 10b
bus info: pci@0000:00:18.7
version: 00
width: 32 bits
clock: 33MHz
*-pnp00:00
product: PnP device PNP0c01
physical id: 1
capabilities: pnp
configuration: driver=system
*-pnp00:01
product: PnP device PNP0b00
physical id: 2
capabilities: pnp
configuration: driver=rtc_cmos
*-pnp00:02
product: PnP device PNP0303
physical id: 3
capabilities: pnp
configuration: driver=i8042 kbd
*-pnp00:03
product: PnP device PNP0c02
physical id: 4
capabilities: pnp
configuration: driver=system
ouranos@bureau:~$ dmesg | grep amdgpu
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.4.0-45-generic root=UUID=0f944341-89bd-4a71-a804-d6b59772d73d ro amdgpu.exp_hw_support=1 quiet splash vt.handoff=7
[ 0.046045] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.4.0-45-generic root=UUID=0f944341-89bd-4a71-a804-d6b59772d73d ro amdgpu.exp_hw_support=1 quiet splash vt.handoff=7
[ 3.688478] [drm] amdgpu kernel modesetting enabled.
[ 3.947103] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 0: 0xd0000000 -> 0xdfffffff
[ 3.947105] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 2: 0xe0000000 -> 0xe01fffff
[ 3.947106] amdgpu 0000:06:00.0: remove_conflicting_pci_framebuffers: bar 5: 0xfc500000 -> 0xfc57ffff
[ 3.947109] fb0: switching to amdgpudrmfb from EFI VGA
[ 3.947364] amdgpu 0000:06:00.0: vgaarb: deactivate vga console
[ 3.947398] amdgpu 0000:06:00.0: enabling device (0006 -> 0007)
[ 3.948233] amdgpu 0000:06:00.0: kfd not supported on this ASIC
[ 3.948566] amdgpu 0000:06:00.0: VRAM: 512M 0x000000F400000000 - 0x000000F41FFFFFFF (512M used)
[ 3.948567] amdgpu 0000:06:00.0: GART: 1024M 0x0000000000000000 - 0x000000003FFFFFFF
[ 3.948569] amdgpu 0000:06:00.0: AGP: 267419648M 0x000000F800000000 - 0x0000FFFFFFFFFFFF
[ 3.948748] [drm] amdgpu: 512M of VRAM memory ready
[ 3.948752] [drm] amdgpu: 3072M of GTT memory ready.
[ 4.754467] amdgpu: [powerplay] smu driver if version = 0x0000000a, smu fw if version = 0x0000000e, smu fw version = 0x00374300 (55.67.0)
[ 4.754469] amdgpu: [powerplay] SMU driver if version not matched
[ 4.754554] amdgpu: [powerplay] dpm has been disabled
[ 4.754554] amdgpu: [powerplay] SMU is initialized successfully!
[ 4.769438] snd_hda_intel 0000:06:00.1: bound 0000:06:00.0 (ops amdgpu_dm_audio_component_bind_ops [amdgpu])
[ 4.844653] fbcon: amdgpudrmfb (fb0) is primary device
[ 4.844765] amdgpu 0000:06:00.0: fb0: amdgpudrmfb frame buffer device
[ 4.881907] amdgpu 0000:06:00.0: ring gfx uses VM inv eng 0 on hub 0
[ 4.881910] amdgpu 0000:06:00.0: ring comp_1.0.0 uses VM inv eng 1 on hub 0
[ 4.881912] amdgpu 0000:06:00.0: ring comp_1.1.0 uses VM inv eng 4 on hub 0
[ 4.881913] amdgpu 0000:06:00.0: ring comp_1.2.0 uses VM inv eng 5 on hub 0
[ 4.881915] amdgpu 0000:06:00.0: ring comp_1.3.0 uses VM inv eng 6 on hub 0
[ 4.881916] amdgpu 0000:06:00.0: ring comp_1.0.1 uses VM inv eng 7 on hub 0
[ 4.881917] amdgpu 0000:06:00.0: ring comp_1.1.1 uses VM inv eng 8 on hub 0
[ 4.881919] amdgpu 0000:06:00.0: ring comp_1.2.1 uses VM inv eng 9 on hub 0
[ 4.881920] amdgpu 0000:06:00.0: ring comp_1.3.1 uses VM inv eng 10 on hub 0
[ 4.881922] amdgpu 0000:06:00.0: ring kiq_2.1.0 uses VM inv eng 11 on hub 0
[ 4.881923] amdgpu 0000:06:00.0: ring sdma0 uses VM inv eng 0 on hub 1
[ 4.881925] amdgpu 0000:06:00.0: ring vcn_dec uses VM inv eng 1 on hub 1
[ 4.881927] amdgpu 0000:06:00.0: ring vcn_enc0 uses VM inv eng 4 on hub 1
[ 4.881928] amdgpu 0000:06:00.0: ring vcn_enc1 uses VM inv eng 5 on hub 1
[ 4.881930] amdgpu 0000:06:00.0: ring vcn_jpeg uses VM inv eng 6 on hub 1
[ 4.890119] [drm] Initialized amdgpu 3.35.0 20150101 for 0000:06:00.0 on minor 0
ouranos@bureau:~$ lspci -vnn | grep -A 12 '\''[030[02]\]' | grep -Ei "vga|3d|display|kernel"
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation TU116M [GeForce GTX 1660 Ti Mobile] [10de:2191] (rev a1) (prog-if 00 [VGA controller])
Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia
06:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Renoir [1002:1636] (rev c6) (prog-if 00 [VGA controller])
Kernel driver in use: amdgpu
Kernel modules: amdgpu
tout fonctionne maintenant je vais essayer de comprendre d'ou venais le probleme grace a la solution !
encore un immense merci pour votre temps ! je passe le sujet en résolu.
