[ale] video woes

Brian Pitts brian at polibyte.com
Sun Sep 7 15:14:45 EDT 2008


Tim Watts wrote:
> What do VGA and LVDS refer to? Some configuration name I presume? I don't see 
> them referenced in xorg.conf.

The different physical devices; it's not something configurable. For me,
the output of 'xrandr --verbose' is what I've pasted below. From your
output, it doesn't look like your Xorg configuration supports RandR 1.2.
I know the latest intel and radeon drivers support it; I'm not sure
about others.

Screen 0: minimum 320 x 200, current 2720 x 900, maximum 2720 x 900

VGA connected 1440x900+1280+0 (0x4f) normal (normal left inverted right
x axis y axis) 410mm x 257mm
	Identifier: 0x4b
	Timestamp:  50801440
	Subpixel:   unknown
	Clones:
	CRTC:       0
	CRTCs:      0 1
	EDID_DATA:
		00ffffffffffff004c2d73023931454d
		281001030e291a872ade95a3544c9926
		0f5054bfef809500950f81808140714f
		0101010101019a29a0d0518422305098
		36009a011100001c000000fd00384b1e
		510e000a202020202020000000fc0053
		796e634d61737465720a2020000000ff
		004856454c4130343233320a202000bd
  1440x900 (0x4e)  106.5MHz -HSync +VSync
        h: width  1440 start 1520 end 1672 total 1904 skew    0 clock
55.9KHz
        v: height  900 start  903 end  909 total  934           clock
59.9Hz
  1440x900 (0x4f)  136.8MHz -HSync +VSync
        h: width  1440 start 1536 end 1688 total 1936 skew    0 clock
70.6KHz
        v: height  900 start  903 end  909 total  942           clock
75.0Hz
  1440x900 (0x50)  106.5MHz -HSync +VSync
        h: width  1440 start 1528 end 1672 total 1904 skew    0 clock
55.9KHz
        v: height  900 start  903 end  909 total  934           clock
59.9Hz
  1152x864 (0x51)  108.0MHz +HSync +VSync
        h: width  1152 start 1216 end 1344 total 1600 skew    0 clock
67.5KHz
        v: height  864 start  865 end  868 total  900           clock
75.0Hz
  1152x864 (0x52)  104.0MHz -HSync +VSync
        h: width  1152 start 1224 end 1344 total 1536 skew    0 clock
67.7KHz
        v: height  864 start  867 end  871 total  905           clock
74.8Hz
  1024x768 (0x53)   78.8MHz +HSync +VSync
        h: width  1024 start 1040 end 1136 total 1312 skew    0 clock
60.1KHz
        v: height  768 start  769 end  772 total  800           clock
75.1Hz
  1024x768 (0x54)   75.0MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1328 skew    0 clock
56.5KHz
        v: height  768 start  771 end  777 total  806           clock
70.1Hz
  1024x768 (0x55)   65.0MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock
48.4KHz
        v: height  768 start  771 end  777 total  806           clock
60.0Hz
  832x624 (0x56)   57.3MHz -HSync -VSync
        h: width   832 start  864 end  928 total 1152 skew    0 clock
49.7KHz
        v: height  624 start  625 end  628 total  667           clock
74.6Hz
  800x600 (0x57)   50.0MHz +HSync +VSync
        h: width   800 start  856 end  976 total 1040 skew    0 clock
48.1KHz
        v: height  600 start  637 end  643 total  666           clock
72.2Hz
  800x600 (0x58)   49.5MHz +HSync +VSync
        h: width   800 start  816 end  896 total 1056 skew    0 clock
46.9KHz
        v: height  600 start  601 end  604 total  625           clock
75.0Hz
  800x600 (0x59)   40.0MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock
37.9KHz
        v: height  600 start  601 end  605 total  628           clock
60.3Hz
  800x600 (0x5a)   36.0MHz +HSync +VSync
        h: width   800 start  824 end  896 total 1024 skew    0 clock
35.2KHz
        v: height  600 start  601 end  603 total  625           clock
56.2Hz
  640x480 (0x5b)   31.5MHz -HSync -VSync
        h: width   640 start  656 end  720 total  840 skew    0 clock
37.5KHz
        v: height  480 start  481 end  484 total  500           clock
75.0Hz
  640x480 (0x5c)   31.5MHz -HSync -VSync
        h: width   640 start  664 end  704 total  832 skew    0 clock
37.9KHz
        v: height  480 start  489 end  491 total  520           clock
72.8Hz
  640x480 (0x5d)   30.2MHz -HSync -VSync
        h: width   640 start  704 end  768 total  864 skew    0 clock
35.0KHz
        v: height  480 start  483 end  486 total  525           clock
66.7Hz
  640x480 (0x5e)   25.2MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock
31.5KHz
        v: height  480 start  490 end  492 total  525           clock
60.0Hz
  720x400 (0x5f)   28.3MHz -HSync +VSync
        h: width   720 start  738 end  846 total  900 skew    0 clock
31.5KHz
        v: height  400 start  412 end  414 total  449           clock
70.1Hz

LVDS connected 1280x800+0+0 (0x60) normal (normal left inverted right x
axis y axis) 303mm x 190mm
	Identifier: 0x4c
	Timestamp:  50801440
	Subpixel:   horizontal rgb
	Clones:
	CRTC:       1
	CRTCs:      1
	EDID_DATA:
		00ffffffffffff000daf261400000000
		0c110103801e13780a47a094574f8c27
		27505400000001010101010101010101
		010101010101e41b00a5502017303020
		36002fbe100000190000000000000000
		00000000000000000000000000fe0047
		52353531374e31343149330a000000fe
		002c404d567a9fdbff01010a202000f7
	BACKLIGHT_CONTROL: kernel
		supported: native       legacy       combination  kernel
	BACKLIGHT: 7 (0x00000007) range:  (0,7)
  1280x800 (0x60)   71.4MHz -HSync -VSync
        h: width  1280 start 1328 end 1360 total 1445 skew    0 clock
49.4KHz
        v: height  800 start  803 end  809 total  823           clock
60.0Hz
  1280x800 (0x61)   83.5MHz
        h: width  1280 start 1344 end 1480 total 1680 skew    0 clock
49.7KHz
        v: height  800 start  801 end  804 total  828           clock
60.0Hz
  1280x768 (0x62)   80.1MHz
        h: width  1280 start 1344 end 1480 total 1680 skew    0 clock
47.7KHz
        v: height  768 start  769 end  772 total  795           clock
60.0Hz
  1024x768 (0x55)   65.0MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock
48.4KHz
        v: height  768 start  771 end  777 total  806           clock
60.0Hz
  800x600 (0x59)   40.0MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock
37.9KHz
        v: height  600 start  601 end  605 total  628           clock
60.3Hz
  640x480 (0x63)   25.2MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock
31.5KHz
        v: height  480 start  490 end  492 total  525           clock
59.9Hz

TV disconnected (normal left inverted right x axis y axis)
	Identifier: 0x4d
	Timestamp:  50801440
	Subpixel:   unknown
	Clones:
	CRTCs:      0 1
	BOTTOM: 37 (0x00000025) range:  (0,100)
	RIGHT: 46 (0x0000002e) range:  (0,100)
	TOP: 36 (0x00000024) range:  (0,100)
	LEFT: 54 (0x00000036) range:  (0,100)
	TV_FORMAT: NTSC-M
		supported: NTSC-M       NTSC-443     NTSC-J       PAL-M
		           PAL-N        PAL

-Brian


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