我刚刚将笔记本电脑从 Windows 10 切换到 Ubuntu 18.04,但 Ubuntu 似乎没有使用正确的 GPU。集成显卡被标记为 VGA 控制器,而不是我的 Radeon R7 M440。我搜索了类似问题的答案,但似乎我的问题有点不同。如果有人对如何继续提出建议,我将非常高兴。更多信息:
Output of lshw -c video:
*-display
description: VGA compatible controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 02
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:128 memory:d1000000-d1ffffff memory:b0000000-bfffffff ioport:f000(size=64) memory:c0000-dffff
*-display
description: Display controller
product: Topaz XT [Radeon R7 M260/M265 / M340/M360 / M440/M445]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:01:00.0
version: 83
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi bus_master cap_list rom
configuration: driver=amdgpu latency=0
resources: irq:129 memory:c0000000-cfffffff memory:d0000000-d01fffff ioport:e000(size=256) memory:d0200000-d023ffff memory:d0240000-d025ffff
输出:lspci -vnnn | perl -lne 'print if /^\d+:.+([\S+:\S+])/' | grep VGA
00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 620 [8086:5916] (rev 02) (prog-if 00 [VGA controller])