我有一个Intel HD Graphics 520集成GPU和一个AMD Radeon R5 M330专用GPU。我的蒸汽游戏似乎正在使用Intel GPU,因为我得到了20-40 FPS,有时它们死机了,我必须对PC进行硬重置以使操作系统再次可用。在Windows中,使用AMD GPU可获得50+ FPS。在Windows中,有Catalyst驱动程序和Intel HD Graphics控制面板,这使得在GPU之间切换非常容易,但是在Ubuntu中则没有。那我该如何切换到AMD GPU?我不在乎功耗,因此永久开关对我来说很好。GPU被Ubuntu识别,这是证明(lspci命令)“
00:00.0 Host bridge: Intel Corporation Sky Lake Host Bridge/DRAM Registers (rev 08)
00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated Graphics (rev 07)
00:04.0 Signal processing controller: Intel Corporation Skylake Processor Thermal Subsystem (rev 08)
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI (rev 21)
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)
00:1c.0 PCI bridge: Intel Corporation Device 9d10 (rev f1)
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1)
00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1)
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
01:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Sun XT [Radeon HD 8670A/8670M/8690M / R5 M330] (rev ff)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller (rev 07)
03:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter
使用从终端启动Steam DRI_PRIME=1 steam
。现在,您在Steam上启动的每个游戏都将使用AMD GPU。
另外,如果您使用的是GNOME 3,则可以右键单击Steam图标,然后选择“使用专用图形卡启动”。
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我来说两句