[Intel-gfx] [Nouveau] [RFC, drm-misc-next v4 0/9] PCI/VGA: Allowing the user to select the primary video adapter at boot time

suijingfeng suijingfeng at loongson.cn
Thu Sep 7 12:32:19 UTC 2023


Hi,


On 2023/9/7 17:08, Christian König wrote:
> Well, I have over 25 years of experience with display hardware and 
> what you describe here was never an issue. 

I want to give you an example to let you know more.

I have a ASRock AD2550B-ITX board[1],
When another discrete video card is mounted into it mini PCIe slot or PCI slot,
The IGD cannot be the primary display adapter anymore. The display is totally black.
I have try to draft a few trivial patch to help fix this[2].

And I want to use the IGD as primary, does this count as an issue?

[1] https://www.asrock.com/mb/Intel/AD2550-ITX/
[2] https://patchwork.freedesktop.org/series/123073/



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