On Fri, 23 Sep 2016 19:25:54 +0800 (CST)
fulaiyang <[email protected]> wrote:
> Hi,Alex
> Recently, I bought another platform with i3-6100U to passthrough the
> GPU. The platform has only DP or HDMI output. I am very happy to success to
> passthrough igd and the usb controller. However, when the windows7 safe mode
> interface happens, the GUI is divided into three parts. And the keyboard is
> invalid. After the windows7 desktop occurs, the GPU and usb devices can run
> very perfectly. Did you meet this problem?
>
>
> environment :
> Intel Core i3-6100U @ 2.30GHz
> Intel Corporation Sky Lake Integrated Graphics
> Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller
> DP output
> Ubuntu 16.04 LTS DESKTOP
> Host kernel 4.7.2 x86_64 GNU/Linux
> qemu 2.7.0
>
Several people have reported problems with this specific processor, I
think you're the first to report garbled output rather than no output.
I don't have a system with this CPU to test, my only guess is to see if
it behaves more like previous generation IGD:
index bec694c..1813e37 100644
--- a/hw/vfio/pci-quirks.c
+++ b/hw/vfio/pci-quirks.c
@@ -1008,6 +1008,10 @@ static int igd_gen(VFIOPCIDevice *vdev)
return 8; /* Broxton */
}
+ if (vdev->device_id == 0x1906) {
+ return 6; /* i3-6100U */
+ }
+
switch (vdev->device_id & 0xff00) {
/* Old, untested, unavailable, unknown */
case 0x0000:
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