debian 9 安装AMD驱动
需求说明：
- 安装完成debian系统后独显驱动未安装
操作系统版本：
kyeup@Taishiji:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux 9.4 (stretch)
Release: 9.4
Codename: stretch
安装驱动之前：
kyeup@Taishiji:~$ sudo lshw -c video
[sudo] password for kyeup:
*-display UNCLAIMED
description: VGA compatible controller
product: Whistler LE [Radeon HD 6610M/7610M]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:01:00.0
version: 00
64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list
configuration: latency=0
resources: memory:c0000000-cfffffff memory:fea20000-fea3ffff ioport:e000(size=256) memory:c0000-dffff
**configuration: latency=0 **
安装驱动：
kyeup@Taishiji:~$ sudo apt install firmware-linux-nonfree
安装驱动之后：
kyeup@Taishiji:~$ sudo lshw -c video
[sudo] password for kyeup:
*-display
description: VGA compatible controller
product: Whistler LE [Radeon HD 6610M/7610M]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:01:00.0
version: 00
64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
configuration: driver=radeon latency=0
resources: irq:43 memory:c0000000-cfffffff memory:fea20000-fea3ffff ioport:e000(size=256) memory:c0000-dffff
configuration: driver=radeon latency=0
有driver=radeon 内容代表驱动已经安装完成。