trying to load module i915...failed.
trying to load module radeon...success.
Encoders:
id	crtc	type	possible crtcs	possible clones	
12	0	TMDS	0x00000003	0x00000000
14	0	TVDAC	0x00000003	0x00000000
16	0	TVDAC	0x00000003	0x00000000
18	10	TMDS	0x00000003	0x00000000

Connectors:
id	encoder	status		type	size (mm)	modes	encoders
13	0	disconnected	DVI-I	0x0		0	12, 14
15	0	disconnected	9-pin DIN	0x0		0	14
17	18	connected	DVI-I	540x350		17	16, 18
  modes:
  name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot)
  1920x1200 60 1920 1968 2000 2080 1200 1203 1209 1235
  1920x1080i 60 1920 2008 2052 2200 1080 1084 1094 1125
  1600x1200 60 1600 1664 1856 2160 1200 1201 1204 1250
  1680x1050 60 1680 1784 1960 2240 1050 1053 1059 1089
  1600x1000 60 1600 1704 1872 2144 1000 1001 1004 1035
  1280x1024 75 1280 1296 1440 1688 1024 1025 1028 1066
  1280x1024 60 1280 1328 1440 1688 1024 1025 1028 1066
  1280x960 60 1280 1376 1488 1800 960 961 964 1000
  1152x864 75 1152 1216 1344 1600 864 865 868 900
  1024x768 75 1024 1040 1136 1312 768 769 772 800
  1024x768 60 1024 1048 1184 1344 768 771 777 806
  832x624 75 832 864 928 1152 624 625 628 667
  800x600 75 800 816 896 1056 600 601 604 625
  800x600 60 800 840 968 1056 600 601 605 628
  640x480 75 640 656 720 840 480 481 484 500
  640x480 60 640 656 752 800 480 490 492 525
  720x400 70 720 738 846 900 400 412 414 449
  props:
	EDID, flags 20
	DPMS, flags 8
	coherent, flags 2
	underscan, flags 8
	underscan hborder, flags 2
	underscan vborder, flags 2
	load detection, flags 2

CRTCs:
id	fb	pos	size
10	38	(0,0)	(0x0)
  1920x1200 0 1920 1968 2000 2080 1200 1203 1209 1235
11	0	(0,0)	(0x0)
   0 0 0 0 0 0 0 0 0

Frame buffers:
id	size	pitch