[Bug 106597] [vga_switcheroo] commit 07f4f97d7b4bf325d9f558c5b58230387e4e57e0 breaks dpm on Alienware 15R3

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Comment # 18 on bug 106597 from
(In reply to Lukas Wunner from comment #16)
> Created attachment 139688 [details] [review] [review]
> drm-next-4.18-wip debug patch 1
> 
> So, the HDA device's usage counter is 0, it has no active children and
> runtime PM is allowed. Still, it's runtime active. Why is it not suspending?

Well, AFAIK the both the HDMI port and the DP on my laptop are directly
attached to the dGPU and not to the iGPU like the internal panel is. Maybe it
has something to do with that?


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