[xf86-video-intel] Need help solving issue with intel driver & DDC monitor detection

[Hong Liu]

On Mon, 2008-01-14 at 00:06 -0600, Jerone Young wrote:
> When it works correctly xrandr reports (using VGA connected on startup):
> ===========================================================
> jerone at laptop:~$ xrandr  --prop
> Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 1920 x 1920
> VGA connected 1920x1200+0+0 (normal left inverted right x axis y axis)
> 518mm x 324mm
> 	EDID_DATA:
> 		00ffffffffffff004c2dd9003432424e
> 		110f01036c3420a02aee95a3544c9926
> 		0f5054bfef80a9408180714f01010101
> 		010101010101283c80a070b023403020
> 		360006442100001a000000fd00374b1e
> 		5011000a202020202020000000fc0053
> 		796e634d61737465720a2020000000ff
> 		0048344b593430303634390a2020002d
>    1920x1200      60.0*+
>    1600x1200      59.9
>    1280x1024      75.0     59.9
>    1152x864       75.0     74.8
>    1024x768       75.1     70.1     60.0
>    832x624        74.6
>    800x600        72.2     75.0     60.3     56.2
>    640x480        75.0     72.8     66.7     60.0
>    720x400        70.1
> LVDS connected 1440x900+0+0 (normal left inverted right x axis y axis)
> 303mm x 190mm
> 	EDID_DATA:
> 		00ffffffffffff0030ae334000000000
> 		00110103801e1378eaae109658538c28
> 		24505421080001010101010101010101
> 		0101010101013226a04051841a303020
> 		36002fbe10000019d51fa04051841a30
> 		302036002fbe100000190000000f0090
> 		0a32900a28140100320cf800000000fe
> 		004c503134315750312d544c42370021
> 	BACKLIGHT_CONTROL: kernel
> 		supported: native       legacy       combination  kernel
> 	BACKLIGHT: 80 (0x00000050) range:  (0,100)
>    1440x900       60.0*+   50.0
>    1280x800       60.0
>    1280x768       60.0
>    1024x768       60.0
>    800x600        60.3
>    640x480        60.0     59.9
> TMDS-1 disconnected (normal left inverted right x axis y axis)
> 
> 
> 
> When is NOT working correctly xrandr reports (using VGA hotplugged):
> =========================================================
> jerone at laptop:~$ xrandr --prop
> Screen 0: minimum 320 x 200, current 1440 x 900, maximum 1440 x 1440
> VGA connected (normal left inverted right x axis y axis)
> 	EDID_DATA:
> 		00ffffffffffff004c2dd9003432424e
> 		110f01036c3420a02aee95a3544c9926
> 		0f5054bfef80a9408180714f01010101
> 		010101010101283c80a070b023403020
> 		360006442100001a000000fd00374b1e
> 		5011000a202020202020000000fc0053
> 		796e634d61737465720a2020000000ff
> 		0048344b593430303634390a2020002d
>    1280x1024      75.0     59.9
>    1152x864       75.0     74.8
>    1024x768       75.1     70.1     60.0
>    832x624        74.6
>    800x600        72.2     75.0     60.3     56.2
>    640x480        75.0     72.8     66.7     60.0
>    720x400        70.1
> LVDS connected 1440x900+0+0 (normal left inverted right x axis y axis)
> 303mm x 190mm
> 	EDID_DATA:
> 		00ffffffffffff0030ae334000000000
> 		00110103801e1378eaae109658538c28
> 		24505421080001010101010101010101
> 		0101010101013226a04051841a303020
> 		36002fbe10000019d51fa04051841a30
> 		302036002fbe100000190000000f0090
> 		0a32900a28140100320cf800000000fe
> 		004c503134315750312d544c42370021
> 	BACKLIGHT_CONTROL: kernel
> 		supported: native       legacy       combination  kernel
> 	BACKLIGHT: 80 (0x00000050) range:  (0,100)
>    1440x900       60.0*+   50.0
>    1280x800       60.0
>    1280x768       60.0
>    1024x768       60.0
>    800x600        60.3
>    640x480        60.0     59.9
> TMDS-1 disconnected (normal left inverted right x axis y axis)

For your VGA hotplug not working issue, it's actually not problem of the
driver.
You need to enlarge your virtual size in your xorg.conf. The default
virtual size is the biggest resolution of your all outputs (picked at X
server startup).
So when hotplugging VGA monitor, the virtual size is 1440x1440, any
resolutions bigger than this were filtered out by X server.

The DVI output issue seems like a bug, would you please open a bug in
xorg bugzilla, attaching your xorg.conf and xorg log with modedebug
turned on?

Thanks,
Hong