dmesg|grep radeon dmesg|grep dpm

dmesg|grep radeon
[    0.731341] [drm] radeon kernel modesetting enabled.
[    0.738994] fb: switching to radeondrmfb from VESA VGA
[    0.739464] radeon 0000:01:00.0: VRAM: 2048M 0x0000000000000000 - 0x000000007FFFFFFF (2048M used)
[    0.739465] radeon 0000:01:00.0: GTT: 2048M 0x0000000080000000 - 0x00000000FFFFFFFF
[    0.741088] [drm] radeon: 2048M of VRAM memory ready
[    0.741088] [drm] radeon: 2048M of GTT memory ready.
[    0.748394] [drm] radeon: dpm initialized
[    0.762637] radeon 0000:01:00.0: WB enabled
[    0.762640] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000080000c00 and cpu addr 0xffff880415c58c00
[    0.762641] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr 0x0000000080000c04 and cpu addr 0xffff880415c58c04
[    0.762642] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr 0x0000000080000c08 and cpu addr 0xffff880415c58c08
[    0.762643] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000080000c0c and cpu addr 0xffff880415c58c0c
[    0.762644] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr 0x0000000080000c10 and cpu addr 0xffff880415c58c10
[    0.763251] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0xffffc90002835a18
[    0.783399] radeon 0000:01:00.0: fence driver on ring 6 use gpu addr 0x0000000080000c18 and cpu addr 0xffff880415c58c18
[    0.783401] radeon 0000:01:00.0: fence driver on ring 7 use gpu addr 0x0000000080000c1c and cpu addr 0xffff880415c58c1c
[    0.783456] radeon 0000:01:00.0: radeon: MSI limited to 32-bit
[    0.783476] radeon 0000:01:00.0: radeon: using MSI.
[    0.783500] [drm] radeon: irq initialized.
[    2.992476] fbcon: radeondrmfb (fb0) is primary device
[    2.992528] radeon 0000:01:00.0: fb0: radeondrmfb frame buffer device
[    3.000725] [drm] Initialized radeon 2.43.0 20080528 for 0000:01:00.0 on minor 0







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dmesg|grep dpm
[    0.748394] [drm] radeon: dpm initialized