Windows 10 VM blacked-out text

[Zhenyu Wang]

On 2019.02.22 13:18:55 +0800, Zhenyu Wang wrote:
> On 2019.02.21 08:43:07 -0700, Alex Williamson wrote:
> > Hi,
> > 
> > I'm running a host kernel based on Linus' tree merged with
> > gvt-next-2019-02-01 in order to test EDID support.  QEMU is latest
> > qemu.git with Gerd's EDID patches applied.  Guest is Windows 10, fully
> > updated, device manager shows Intel graphics driver version
> > 25.20.100.6472.  I tried to install the latest DCH Intel graphics
> > drivers but if failed to install.  As seen in the attached image, the
> > desktop has some fundamental usability issues with certain text fields
> > being blacked out.  For this reason I have no idea why the new DCH
> > driver failed to install.  How do I get a usable GVT-g VM desktop?
> >
> 
> We have identified that there's a chicken bit register which could
> impact render behavior that need to be restored for different VM.
> Colin will send a patch very soon.
> 

Alex, could you try this https://patchwork.freedesktop.org/patch/287394/?
Will merge it, once it passed our CI test, will send pull for upstream.

thanks

-- 
Open Source Technology Center, Intel ltd.

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