Dell Precision 3520 laptop - help with dual graphics card

[Anton Shterenlikht]

On Fri, Apr 06, 2018 at 03:18:23PM +0100, Anton Shterenlikht wrote:
> Please help
> 
> I got a Dell Precision 3520 laptop with 11.1-RELEASE.
> I cannot figure out how to setup X:
> 
> [    92.583] (EE) open /dev/dri/card0: No such file or directory
> 
> And indeed there is no /dev/dri directory at all.
> 
> I seem to have a dual graphics card (or 2 cards):
> 
> vgapci1 at pci0:0:2:0:     class=0x030000 card=0x07a91028 chip=0x191b8086 rev=0x06 hdr=0x00
>     vendor     = 'Intel Corporation'
>     device     = 'HD Graphics 530'
>     class      = display
>     subclass   = VGA
> 
> vgapci0 at pci0:1:0:0:     class=0x030200 card=0x07a91028 chip=0x13b410de rev=0xa2 hdr=0x00
>     vendor     = 'NVIDIA Corporation'
>     device     = 'GM107GLM [Quadro M620 Mobile]'
>     class      = display
>     subclass   = 3D
> 
> Which apparently is the source of my problems.
> In this thread the suggestion is to disable
> one card in BIOS:
> 
> https://forums.freebsd.org/threads/dell-precision-m7710-laptop-and-xorg.55899
> 
> Unfortunately I don't see any such or similar
> option in my BIOS. Indeed my BIOS does not mention
> 2 cards. It only lists the Intel graphics device.
> 
> I searched all possible BIOS options - power, devices,
> etc., but can find nothing to disable one card.

Just spoke to Dell support on the phone -
not possible to disable one of the cards via BIOS
in this model.

So I guess I need to go the X config file route...

Would still be grateful for any advice.

Anton