# lsmod | grep -E "radeon|drm"
[   13.450608] [drm] radeon kernel modesetting enabled.
[   13.458340] [drm] initializing kernel modesetting (RV410 0x1002:0x5653 0x1025:0x0066 0x00).
[   13.458883] [drm] Generation 2 PCI interface, using max accessible memory
[   13.458936] radeon 0000:01:00.0: VRAM: 128M 0x00000000D0000000 - 0x00000000D7FFFFFF (64M used)
[   13.458993] radeon 0000:01:00.0: GTT: 512M 0x00000000B0000000 - 0x00000000CFFFFFFF
[   13.462423] [drm] Detected VRAM RAM=128M, BAR=128M
[   13.462476] [drm] RAM width 128bits DDR
[   13.468409] [drm] radeon: 64M of VRAM memory ready
[   13.468456] [drm] radeon: 512M of GTT memory ready.
[   13.468516] [drm] GART: num cpu pages 131072, num gpu pages 131072
[   13.469753] [drm] radeon: power management initialized
[   13.472406] [drm] PCIE GART of 512M enabled (table at 0x00000000D0040000).
[   13.472462] [drm] radeon: 2 quad pipes, 1 z pipes initialized.
[   13.479646] radeon 0000:01:00.0: WB enabled
[   13.479702] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x00000000b0000000 and cpu addr 0xc98081c4
[   13.479759] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   13.479806] [drm] Driver supports precise vblank timestamp query.
[   13.479854] radeon 0000:01:00.0: radeon: MSI limited to 32-bit
[   13.479966] radeon 0000:01:00.0: radeon: using MSI.
[   13.484497] [drm] radeon: irq initialized.
[   13.484559] [drm] Loading R400 Microcode
[   13.516269] radeon 0000:01:00.0: firmware: direct-loading firmware radeon/R420_cp.bin
[   13.516549] [drm] radeon: ring at 0x00000000B0001000
[   13.516618] [drm] ring test succeeded in 1 usecs
[   13.516846] [drm] ib test succeeded in 0 usecs
[   13.517504] [drm] Radeon Display Connectors
[   13.517551] [drm] Connector 0:
[   13.517595] [drm]   VGA-1
[   13.517640] [drm]   DDC: 0x60 0x60 0x60 0x60 0x60 0x60 0x60 0x60
[   13.517686] [drm]   Encoders:
[   13.517729] [drm]     CRT1: INTERNAL_DAC1
[   13.517774] [drm] Connector 1:
[   13.517818] [drm]   LVDS-1
[   13.517863] [drm]   DDC: 0x1a8 0x1a8 0x1ac 0x1ac 0x1b0 0x1b0 0x1b4 0x1b4
[   13.517909] [drm]   Encoders:
[   13.518592] [drm]     LCD1: INTERNAL_LVDS
[   13.518637] [drm] Connector 2:
[   13.518681] [drm]   SVIDEO-1
[   13.518724] [drm]   Encoders:
[   13.518768] [drm]     TV1: INTERNAL_DAC2
[   13.518812] [drm] Connector 3:
[   13.518856] [drm]   DVI-I-1
[   13.518899] [drm]   HPD1
[   13.518944] [drm]   DDC: 0x64 0x64 0x64 0x64 0x64 0x64 0x64 0x64
[   13.518990] [drm]   Encoders:
[   13.519034] [drm]     DFP1: INTERNAL_TMDS1
[   14.381049] [drm] fb mappable at 0xD00C0000
[   14.381102] [drm] vram apper at 0xD0000000
[   14.381147] [drm] size 4096000
[   14.381191] [drm] fb depth is 24
[   14.381235] [drm]    pitch is 5120
[   14.381661] fbcon: radeondrmfb (fb0) is primary device
[   15.683141] radeon 0000:01:00.0: fb0: radeondrmfb frame buffer device
[   15.683229] [drm] Initialized radeon 2.50.0 20080528 for 0000:01:00.0 on minor 0