$ dmesg | egrep -i 'kms|drm|radeon|atom|ttm' [ 0.000000] Linux version 2.6.33-rc8-drt100221-aa5120d.100224.desktop.kms (dawitbro@desktop) (gcc version 4.4.3 (Debian 4.4.3-2) ) #1 SMP PREEMPT Wed Feb 24 08:37:01 EST 2010 [ 0.405051] [drm] Initialized drm 1.1.0 20060810 [ 0.405095] [drm] radeon defaulting to kernel modesetting. [ 0.405134] [drm] radeon kernel modesetting enabled. [ 0.405208] radeon 0000:01:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 [ 0.405249] radeon 0000:01:00.0: setting latency timer to 64 [ 0.406211] [drm] radeon: Initializing kernel modesetting. [ 0.406328] [drm] register mmio base: 0xFE8E0000 [ 0.406366] [drm] register mmio size: 131072 [ 0.406902] ATOM BIOS: JUNIPER [ 0.406952] [drm] Clocks initialized ! [ 0.406990] [drm] 1 Power State(s) [ 0.407028] [drm] State 0 Default (default) [ 0.407066] [drm] 16 PCIE Lanes [ 0.407104] [drm] 1 Clock Mode(s) [ 0.407141] [drm] 0 engine/memory: 700000/1150000 [ 0.407180] [drm] radeon: power management initialized [ 0.407222] radeon 0000:01:00.0: VRAM: 256M 0x00000000 - 0x0FFFFFFF (256M used) [ 0.407264] radeon 0000:01:00.0: GTT: 512M 0x10000000 - 0x2FFFFFFF [ 0.407832] [drm] Detected VRAM RAM=256M, BAR=256M [ 0.409499] [drm] RAM width 128bits DDR [ 0.409578] [TTM] Zone kernel: Available graphics memory: 4091158 kiB. [ 0.409617] [TTM] Zone dma32: Available graphics memory: 2097152 kiB. [ 0.409664] [drm] radeon: 256M of VRAM memory ready [ 0.409703] [drm] radeon: 512M of GTT memory ready. [ 0.410864] i2c i2c-1: adapter [Radeon internal i2c bit bus DP] registered [ 0.410870] i2c i2c-2: adapter [Radeon i2c DP] registered [ 0.410888] i2c i2c-3: adapter [Radeon internal i2c bit bus HDMI] registered [ 0.410894] i2c i2c-4: adapter [Radeon i2c HDMI] registered [ 0.410911] i2c i2c-5: adapter [Radeon internal i2c bit bus DVI] registered [ 0.410917] i2c i2c-6: adapter [Radeon i2c DVI] registered [ 0.410934] i2c i2c-7: adapter [Radeon internal i2c bit bus DVI] registered [ 0.410941] i2c i2c-8: adapter [Radeon i2c DVI] registered [ 0.410952] [drm] Radeon Display Connectors [ 0.410990] [drm] Connector 0: [ 0.411027] [drm] DisplayPort [ 0.411065] [drm] HPD4 [ 0.411103] [drm] DDC: 0x6440 0x6440 0x6444 0x6444 0x6448 0x6448 0x644c 0x644c [ 0.411144] [drm] Encoders: [ 0.411181] [drm] DFP1: INTERNAL_UNIPHY2 [ 0.411219] [drm] Connector 1: [ 0.411256] [drm] HDMI-A [ 0.411294] [drm] HPD5 [ 0.411331] [drm] DDC: 0x6430 0x6430 0x6434 0x6434 0x6438 0x6438 0x643c 0x643c [ 0.411372] [drm] Encoders: [ 0.411410] [drm] DFP2: INTERNAL_UNIPHY2 [ 0.411448] [drm] Connector 2: [ 0.411485] [drm] DVI-I [ 0.411522] [drm] HPD1 [ 0.411560] [drm] DDC: 0x6460 0x6460 0x6464 0x6464 0x6468 0x6468 0x646c 0x646c [ 0.411601] [drm] Encoders: [ 0.411638] [drm] DFP3: INTERNAL_UNIPHY1 [ 0.411676] [drm] CRT2: INTERNAL_KLDSCP_DAC2 [ 0.411714] [drm] Connector 3: [ 0.411751] [drm] DVI-I [ 0.411788] [drm] HPD6 [ 0.411840] [drm] DDC: 0x6450 0x6450 0x6454 0x6454 0x6458 0x6458 0x645c 0x645c [ 0.411882] [drm] Encoders: [ 0.411919] [drm] DFP4: INTERNAL_UNIPHY [ 0.411957] [drm] CRT1: INTERNAL_KLDSCP_DAC1 [ 0.561784] [drm] fb mappable at 0xD0040000 [ 0.561823] [drm] vram apper at 0xD0000000 [ 0.561865] [drm] size 9216000 [ 0.561903] [drm] fb depth is 24 [ 0.561940] [drm] pitch is 7680 [ 0.581869] fb0: radeondrmfb frame buffer device [ 0.581906] [drm] Initialized radeon 2.0.0 20080528 for 0000:01:00.0 on minor 0 [ 1.083937] i2c-dev: adapter [Radeon internal i2c bit bus DP] registered as minor 1 [ 1.083945] i2c-dev: adapter [Radeon i2c DP] registered as minor 2 [ 1.083952] i2c-dev: adapter [Radeon internal i2c bit bus HDMI] registered as minor 3 [ 1.083959] i2c-dev: adapter [Radeon i2c HDMI] registered as minor 4 [ 1.083967] i2c-dev: adapter [Radeon internal i2c bit bus DVI] registered as minor 5 [ 1.083975] i2c-dev: adapter [Radeon i2c DVI] registered as minor 6 [ 1.083982] i2c-dev: adapter [Radeon internal i2c bit bus DVI] registered as minor 7 [ 1.083990] i2c-dev: adapter [Radeon i2c DVI] registered as minor 8