我已经使用amdgpu-install_22.20.50200-1_all.deb（从 amd.com 下载）安装了 AMD GPU 驱动程序，并遵循本指南。
但我发现我的显示设置已变为，2560x1440 93Hz并且我无法更改它。
我试过了sudo lshw -c video，它说UNCLAIMED。
$ sudo lshw -c video
*-display UNCLAIMED
description: VGA compatible controller
product: Navi 10 [Radeon RX 5600 OEM/5600 XT / 5700/5700 XT]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:03:00.0
version: c1
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list
configuration: latency=0
resources: iomemory:400-3ff iomemory:400-3ff memory:4000000000-400fffffff memory:4010000000-40101fffff ioport:4000(size=256) memory:80000000-8007ffff memory:80080000-8009ffff
*-graphics
product: EFI VGA
physical id: 3
logical name: /dev/fb0
capabilities: fb
configuration: depth=32 resolution=2560,1440
我也检查了我的内核版本。
$ uname -r
5.15.0-50-generic
$ dkms status amdgpu
amdgpu/5.16.9.22.20-1438747~22.04, 5.15.0-50-generic, x86_64: installed
我正在尝试双启动 Ubuntu 22.04.1 和 Windows 11。
i9 10900K，RX 5700XT
快速启动、安全启动、TPM 2.0 启用。
我把bcd bootmgr路径修改为grub。
$ clinfo
Number of platforms 1
Platform Name AMD Accelerated Parallel Processing
Platform Vendor Advanced Micro Devices, Inc.
Platform Version OpenCL 2.1 AMD-APP (3452.0)
Platform Profile FULL_PROFILE
Platform Extensions cl_khr_icd cl_amd_event_callback
Platform Extensions function suffix AMD
Platform Host timer resolution 1ns
Platform Name AMD Accelerated Parallel Processing
Number of devices 0
NULL platform behavior
clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...) No platform
clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...) No platform
clCreateContext(NULL, ...) [default] No platform
clCreateContext(NULL, ...) [other]
clCreateContextFromType(NULL, CL_DEVICE_TYPE_DEFAULT) No devices found in platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU) No devices found in platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU) No devices found in platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_ACCELERATOR) No devices found in platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_CUSTOM) No devices found in platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_ALL) No devices found in platform
$ xrandr --listproviders
Providers: number : 0
$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 2560 x 1440, current 2560 x 1440, maximum 2560 x 1440
default connected primary 2560x1440+0+0 0mm x 0mm
2560x1440 93.00*
我已经添加radeon到了/etc/modules。我已经/etc/X11/xorg.conf像下面这样配置了。
$ lspci | grep VGA
03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 [Radeon RX 5600 OEM/5600 XT / 5700/5700 XT] (rev c1)
Section "Device"
Identifier "Screen0"
Driver "amdgpu"
VendorName "Advanced Micro Devices, Inc. [AMD/ATI]"
BusID "PCI:3:0:0"
EndSection
Section "Device"
Identifier "Screen1"
Driver "amdgpu"
VendorName "Advanced Micro Devices, Inc. [AMD/ATI]"
BusID "PCI:3:0:0"
EndSection
但/var/log/Xorg.0.log說No screen section available. Using defaults。
[ 15.172] (==) No Layout section. Using the first Screen section.
[ 15.172] (==) No screen section available. Using defaults.
[ 15.172] (**) |-->Screen "Default Screen Section" (0)
[ 15.172] (**) | |-->Monitor "<default monitor>"
[ 15.172] (==) No device specified for screen "Default Screen Section".
Using the first device section listed.
[ 15.172] (**) | |-->Device "Screen0"
[ 15.172] (**) | |-->GPUDevice "Screen1"
[ 15.172] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
...
[ 15.180] (II) AMDGPU: Driver for AMD Radeon:
All GPUs supported by the amdgpu kernel driver
[ 15.180] (II) AMDGPU(0): [KMS] Kernel modesetting enabled.
[ 15.180] (EE) AMDGPU(0): [drm] Failed to open DRM device for pci:0000:03:00.0: No such file or directory
[ 15.180] (II) AMDGPU(1): [KMS] Kernel modesetting enabled.
[ 15.180] (EE) AMDGPU(1): [drm] Failed to open DRM device for pci:0000:03:00.0: No such file or directory
[ 15.181] (EE) Screen 0 deleted because of no matching config section.
[ 15.181] (II) UnloadModule: "amdgpu"
[ 15.181] (EE) Screen 0 deleted because of no matching config section.
[ 15.181] (II) UnloadModule: "amdgpu"
[ 15.181] (EE) Device(s) detected, but none match those in the config file.
[ 15.181] (==) Matched ati as autoconfigured driver 0
[ 15.181] (==) Matched modesetting as autoconfigured driver 1
[ 15.181] (==) Matched fbdev as autoconfigured driver 2
[ 15.181] (==) Matched vesa as autoconfigured driver 3
...
我怎么解决这个问题？