Re: [gentoo-user] Video card setting on XPS8940?

[thelma@sys-concept.com]

On 12/20/2020 11:41 PM, Walter Dnes wrote:
>   I'm working on setting up a new Dell XPS 8940.  What do I set the
> video options to in the kernel and in "VIDEO_CARDS" in make.conf?
> Here's the output from "lspci -v".
> 
> 00:02.0 VGA compatible controller: Intel Corporation Device 9bc8 (rev 03) (prog-if 00 [VGA controller])
>         DeviceName: Onboard - Video
>         Subsystem: Dell Device 09c5
>         Flags: bus master, fast devsel, latency 0, IRQ 255
>         Memory at d0000000 (64-bit, non-prefetchable) [size=16M]
>         Memory at c0000000 (64-bit, prefetchable) [size=256M]
>         I/O ports at 4000 [size=64]
>         Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
>         Capabilities: [40] Vendor Specific Information: Len=0c <?>
>         Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
>         Capabilities: [ac] MSI: Enable- Count=1/1 Maskable- 64bit-
>         Capabilities: [d0] Power Management version 2
>         Capabilities: [100] Process Address Space ID (PASID)
>         Capabilities: [200] Address Translation Service (ATS)
>         Capabilities: [300] Page Request Interface (PRI)

I think you have to enable: CONFIG_DRM_I915 in kernel .config

VIDEO_CARDS="intel i915"

See:
https://cateee.net/lkddb/web-lkddb/DRM_I915.html