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| From: | Paolo Bonzini |
| Subject: | Re: [Qemu-devel] [RFC][PATCH] gpu:drm:i915:intel_detect_pch: back to check devfn instead of check class type |
| Date: | Mon, 07 Jul 2014 16:57:45 +0200 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
Il 07/07/2014 16:49, Daniel Vetter ha scritto:
So the correct fix to forward intel gpus to guests is indeed to somehow fake the pch pci ids since the driver really needs them. Gross design, but that's how the hardware works.
A way that could work for virtualization is this: if you find the card has a magic subsystem vendor id, fetch the subsystem device id and use _that_ as the PCH device id.
Would that work for you? Paolo
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