Aparentemente sua máquina tem uma placa de vídeo on-board e outra externa.
Entre na BIOS e desabilite a on-board e veja se resolveu.

Em sáb, 21 de mar de 2020 13:48, Marcelo Laia <[email protected]>
escreveu:

> Colegas,
>
> Estou com uma dúvida que talvez possa ser idiota.
>
> Estou tentando instalar o DisplayLink no Debian e estou com problemas.
> Após ler muita coisa na rede, fui tentar ver quais drivers xorg-xserv
> eu poderia remover. Fiz o seguinte:
>
> # lspci
> 00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b)
> 00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT
> Integrated Graphics Controller (rev 0b)
> 00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller
> (rev 0b)
> 00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04)
> 00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev
> 04)
> 00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev
> 04)
> 00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3
> (rev e4)
> 00:1c.3 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 4
> (rev e4)
> 00:1c.4 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 5
> (rev e4)
> 00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04)
> 00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04)
> 00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1
> [AHCI mode] (rev 04)
> 00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04)
> 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL810xE PCI
> Express Fast Ethernet controller (rev 07)
> 02:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless
> Network Adapter (rev 01)
> 03:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Topaz
> XT [Radeon R7 M260/M265 / M340/M360 / M440/M445 / 530/535 / 620/625 Mobile]
>
> Veja que aparecem duas linhas relacionadas a vídeo:
>
> 00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT
> Integrated Graphics Controller (rev 0b)
> 03:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Topaz
> XT [Radeon R7 M260/M265 / M340/M360 / M440/M445 / 530/535 / 620/625 Mobile]
>
>
> Quando listo os pacotes xserv-xorg instalados, aparece:
>
> # dpkg -l | grep xserver-xorg
> ii  xserver-xorg                          1:7.7+20
>      amd64        X.Org X server
>
> ii  xserver-xorg-core                     2:1.20.7-4
>      amd64        Xorg X server - core server
>
> ii  xserver-xorg-input-all                1:7.7+20
>      amd64        X.Org X server -- input driver metapackage
>
> ii  xserver-xorg-input-libinput           0.29.0-1
>      amd64        X.Org X server -- libinput input driver
>
> ii  xserver-xorg-input-wacom              0.34.99.1-1+b1
>      amd64        X.Org X server -- Wacom input driver
>
> ii  xserver-xorg-legacy                   2:1.20.7-4
>      amd64        setuid root Xorg server wrapper
>
> ii  xserver-xorg-video-all                1:7.7+20
>      amd64        X.Org X server -- output driver metapackage
>
> ii  xserver-xorg-video-amdgpu             19.1.0-1
>      amd64        X.Org X server -- AMDGPU display driver
>
> ii  xserver-xorg-video-ati                1:19.1.0-1
>      amd64        X.Org X server -- AMD/ATI display driver wrapper
>
> ii  xserver-xorg-video-fbdev              1:0.5.0-1
>     amd64        X.Org X server -- fbdev display driver
>
> ii  xserver-xorg-video-intel              2:2.99.917+git20190815-1
>      amd64        X.Org X server -- Intel i8xx, i9xx display driver
> ii  xserver-xorg-video-nouveau            1:1.0.16-1
>      amd64        X.Org X server -- Nouveau display driver
>
> ii  xserver-xorg-video-qxl                0.1.5-2+b1
>      amd64        X.Org X server -- QXL display driver
>
> ii  xserver-xorg-video-radeon             1:19.1.0-1
>      amd64        X.Org X server -- AMD/ATI Radeon display driver
>
> ii  xserver-xorg-video-vesa               1:2.4.0-2
>     amd64        X.Org X server -- VESA display driver
>
> ii  xserver-xorg-video-vmware             1:13.3.0-2
>
> A minha dúvida é:
>
> Qual é a placa de vídeo e qual o drive que deve permanecer instalado?
> aliás, o que eu posso desinstalar para evitar possíveis conflitos?
>
> Além disso, ainda há instalado:
>
> # dpkg -l | grep AMD
> ii  amd64-microcode                       3.20191218.1
>      amd64        Processor microcode firmware for AMD CPUs
>
> ii  firmware-amd-graphics                 20190717-2
>      all          Binary firmware for AMD/ATI graphics chips
>
> # dpkg -l | grep intel
> ii  intel-media-va-driver:amd64           19.4.0r+dfsg1-1
>     amd64        VAAPI driver for the Intel GEN8+ Graphics family
>
> ii  intel-microcode                       3.20191115.2
>      amd64        Processor microcode firmware for Intel CPUs
>
> ii  libdrm-intel1:amd64                   2.4.100-4
>     amd64        Userspace interface to intel-specific kernel DRM services
> -- runtime
>
> Obrigado.
>
> Marcelo
>
>

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