$ dpkg -l xserver-xorg-video-*
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Installed/Config-files/Unpacked/Failed-config/Half-installed
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name                  Version               Description
+++-=====================-=====================-==========================================================
un  xserver-xorg-video-1. <none>                (no description available)
ii  xserver-xorg-video-al 1:7.2-3               the X.Org X server -- output driver metapackage
ii  xserver-xorg-video-ap 1:1.1.1-7             X.Org X server -- APM display driver
ii  xserver-xorg-video-ar 1:0.6.0-6             X.Org X server -- ark display driver
ii  xserver-xorg-video-at 1:6.6.3-2             X.Org X server -- ATI display driver
un  xserver-xorg-video-at <none>                (no description available)
ii  xserver-xorg-video-ch 1:1.1.1-4             X.Org X server -- Chips display driver
ii  xserver-xorg-video-ci 1:1.1.0-3             X.Org X server -- Cirrus display driver
ii  xserver-xorg-video-cy 1:1.1.0-4             X.Org X server -- Cyrix display driver
ii  xserver-xorg-video-du 1:0.2.0-3             X.Org X server -- dummy display driver
ii  xserver-xorg-video-fb 1:0.3.1-1             X.Org X server -- fbdev display driver
ii  xserver-xorg-video-gl 1:1.1.1-3             X.Org X server -- Glint display driver
ii  xserver-xorg-video-i1 1:1.2.1-2             X.Org X server -- i128 display driver
ii  xserver-xorg-video-i7 1:1.1.0-3             X.Org X server -- i740 display driver
ii  xserver-xorg-video-i8 2:2.0.0-1             X.Org X server -- Intel i8xx, i9xx display driver
un  xserver-xorg-video-i8 <none>                (no description available)
ii  xserver-xorg-video-im 1:1.1.0-3             X.Org X server -- IMSTT display driver
ii  xserver-xorg-video-in 2:2.0.0-1             X.Org X server -- Intel i8xx, i9xx display driver
un  xserver-xorg-video-in <none>                (no description available)
ii  xserver-xorg-video-mg 1:1.4.6.1.dfsg.1-3    X.Org X server -- MGA display driver
ii  xserver-xorg-video-ne 1:1.1.1-5             X.Org X server -- Neomagic display driver
ii  xserver-xorg-video-ne 1:0.2.1-2             X.Org X server -- Newport display driver
ii  xserver-xorg-video-ns 1:2.8.2-2             X.Org X server -- NSC display driver
ii  xserver-xorg-video-nv 1:2.0.2-1             X.Org X server -- NV display driver
ii  xserver-xorg-video-re 1:4.1.3.dfsg.1-2      X.Org X server -- Rendition display driver
un  xserver-xorg-video-ri <none>                (no description available)
ii  xserver-xorg-video-s3 1:0.5.0-2             X.Org X server -- legacy S3 display driver
ii  xserver-xorg-video-s3 1:1.9.1-3             X.Org X server -- S3 ViRGE display driver
ii  xserver-xorg-video-sa 1:2.1.2-5             X.Org X server -- Savage display driver
ii  xserver-xorg-video-si 1:1.5.1-1             X.Org X server -- SiliconMotion display driver
ii  xserver-xorg-video-si 1:0.9.3-2             X.Org X server -- SiS display driver
ii  xserver-xorg-video-si 1:0.8.1-3             X.Org X server -- SiS USB display driver
ii  xserver-xorg-video-td 1:1.3.0-1             X.Org X server -- tdfx display driver
ii  xserver-xorg-video-tg 1:1.1.0-3             X.Org X server -- TGA display driver
ii  xserver-xorg-video-tr 1:1.2.3-1             X.Org X server -- Trident display driver
ii  xserver-xorg-video-ts 1:1.1.1-1             X.Org X server -- Tseng display driver
ii  xserver-xorg-video-v4 0.1.1-3               X.Org X server -- Video 4 Linux display driver
ii  xserver-xorg-video-ve 1:1.3.0-1             X.Org X server -- VESA display driver
ii  xserver-xorg-video-vg 1:4.1.0-3             X.Org X server -- VGA display driver
ii  xserver-xorg-video-vi 1:0.2.2-2             X.Org X server -- VIA display driver
ii  xserver-xorg-video-vm 1:10.13.0-3           X.Org X server -- VMware display driver
ii  xserver-xorg-video-vo 1:1.1.1-2             X.Org X server -- Voodoo display driver