[Intel-gfx] PCI configuration space of the VGA controller and laptop LCD picture quality.

SD sd.domrep at yahoo.com
Fri Jan 14 11:03:30 CET 2011


Ok. Some outputs:
1. On Fedora 14

$ xrandr --verbose
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 4096 x 4096
LVDS1 connected 1024x768+0+0 (0x42) normal (normal left inverted right x axis y axis) 304mm x 228mm
        Identifier: 0x41
        Timestamp:  24882
        Subpixel:   horizontal rgb
        Gamma:      1.4:1.4:1.4
        Brightness: 1.0
        Clones:    
        CRTC:       1
        CRTCs:      1
        Transform:  
                    1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        EDID:
                00ffffffffffff0006af512400000000
                010f0103801e17780a87f594574f8c27
                27505400000001010101010101010101
                01010101010164190040410026301888
                360030e4100000180000000f00000000
                00000000000000000020000000fe0041
                554f0a202020202020202020000000fe
                004231353058473032205634200a0000
        scaling mode:   Full aspect
                supported: None         Full         Center       Full aspect 
  1024x768 (0x42)   65.0MHz -HSync -VSync *current +preferred
        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

00:02.0 VGA compatible controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04)
00: 86 80 92 25 07 00 90 00 04 00 00 03 00 00 80 00
10: 00 00 00 d0 01 e0 00 00 08 00 00 a0 00 00 08 d0
20: 00 00 00 00 00 00 00 00 00 00 00 00 aa 17 62 20
30: 00 00 00 00 d0 00 00 00 00 00 00 00 0b 01 00 00
40: 00 00 00 00 e0 00 00 00 09 00 09 21 02 a2 8b 90
50: 0a 00 30 00 19 00 00 b8 00 00 00 00 00 00 80 5f
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 01 00 22 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 64 34 00 00 00 00 00 00 05 00 00 00 00 00



On OpenSuse 11.1

xrandr --verbose
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 2048 x 1200
LVDS connected 1024x768+0+0 (0x3c) normal (normal left inverted right x axis y axis) 304mm x 228mm
        Identifier: 0x3b
        Timestamp:  28235
        Subpixel:   horizontal rgb
        Clones:    
        CRTC:       1
        CRTCs:      1
        EDID_DATA:
                00ffffffffffff0006af512400000000
                010f0103801e17780a87f594574f8c27
                27505400000001010101010101010101
                01010101010164190040410026301888
                360030e4100000180000000f00000000
                00000000000000000020000000fe0041
                554f0a202020202020202020000000fe
                004231353058473032205634200a0000
        PANEL_FITTING: full
                supported: center       full_aspect  full        
        BACKLIGHT_CONTROL: combination
                supported: native       legacy       combination  kernel      
        BACKLIGHT: 15625 (0x00003d09) range:  (0,15625)
  1024x768 (0x3c)   65.0MHz -HSync -VSync *current +preferred
        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


00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04)
00: 86 80 92 27 07 00 90 00 04 00 80 03 00 00 80 00
10: 00 00 10 d0 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 aa 17 62 20
30: 00 00 00 00 d0 00 00 00 00 00 00 00 00 00 00 00
40: 00 00 00 00 e0 00 00 00 09 00 09 21 02 a2 8b 90
50: 0a 00 30 00 19 00 00 b8 00 00 00 00 00 00 80 5f
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 01 00 22 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 64 34 01 00 00 00 00 00 05 00 00 00 00 00


As you all can see the configuration of the pci video is different and screen picture is different. Can it be connected?


Thank you.


      



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