Haswell composite desktop - laptop+HDMI monitor - how?

[Tijl Coosemans]

On Wed, 30 Mar 2016 10:52:11 +0100 (BST) Anton Shterenlikht <mexas at bris.ac.uk> wrote:
> Using xrandr as in the handbook, Sec. 5.4.6:
>  https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/x-config.html
> I finally got this configuration:
> 
> % xrandr
> Screen 0: minimum 320 x 200, current 3286 x 1080, maximum 8192 x 8192
> eDP1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 293mm x 165mm
>    1366x768      60.00*+  40.00  
>    1024x768      60.00  
>    800x600       60.32    56.25  
>    640x480       59.94  
> HDMI1 connected 1920x1080+1366+0 (normal left inverted right x axis y axis) 509mm x 286mm
>    1920x1080     60.00*+  50.00  
>    1920x1080i    60.00    50.00  
>    1600x900      59.98  
>    1280x1024     75.02    60.02  
>    1152x864      75.00  
>    1280x720      60.00    50.00  
>    1440x576i     50.00  
>    1024x768      75.08    60.00  
>    1440x480i     59.94  
>    800x600       75.00    60.32  
>    720x576       50.00  
>    720x480       59.94  
>    640x480       75.00    60.00    59.94  
>    720x400       70.08  
> DP1 disconnected (normal left inverted right x axis y axis)
> HDMI2 disconnected (normal left inverted right x axis y axis)
> DP2 disconnected (normal left inverted right x axis y axis
> %
> 
> The problem is that only about the leftmost
> 1/3 to 1/4 of the width of the HDMI is used.
> No graphical window can be moved further to the right.
> 
> Am I missing something?
> 
> Again, this worked perfectly for me (using xorg.conf)
> on a older laptop with nvidia driver and VGA monitor.

Try specifying the virtual screen resolution in xorg.conf:

Section "Screen"
	[...]
	DefaultDepth	24
	[...]
        SubSection "Display"
		Depth	24
		Virtual	3286 1080
		[...]
	EndSubSection
EndSection