Re: refactor the i915 GVT support and move to the modern mdev API v3

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On Thu, 14 Apr 2022, Jason Gunthorpe <jgg@xxxxxxxxxx> wrote:
> On Thu, Apr 14, 2022 at 12:20:42PM +0000, Wang, Zhi A wrote:
>> On 4/13/22 11:20 PM, Jason Gunthorpe wrote:
>> > On Wed, Apr 13, 2022 at 11:13:06PM +0000, Wang, Zhi A wrote:
>> >> Hi folks:
>> >>
>> >> Thanks so much for the efforts. I prepared a branch which contains all our patches.The aim of the branch is for the VFIO maintainers to pull the whole bunch easily after the drm-intel-next got merged through drm (as one of the MMIO patches depends on a patch in drm-intel-next).
>> >>
>> >> I dropped patch 4 and patch 5 as they have been covered by Jani's patches. Some conflicts was solved.
>> >> QA is going to test it today. 
>> >>
>> >> You can find it here:
>> >>
>> >> git clone https://github.com/intel/gvt-linux -b for-christoph
>> > 
>> > There are alot of extra commits on there - is it possible to base this
>> > straight on rc1 not on some kind of existing DRM tree?
>> > 
>> > Why did you choose drm/i915/fbc: Call intel_fbc_activate() directly
>> > from frontbuffer flush  as a base?
>> > 
>> > Jason
>> > 
>> 
>> Hi Jason:
>> 
>> I updated the branch. You can check if those are what you are expecting. :)
>
> This is better, except for the first commit:
>
>  [DON'T PULL] drm/i915/dmc: split out dmc registers to a separate file
>  THIS PATCH WILL GO THROUGH DRM-INTEL-NEXT TO UPSTREAM
>
>  Clean up the massive i915_reg.h a bit with this isolated set of
>  registers.
>
>  v2: Remove stale comment (Lucas)
>
> Clean the commit message and send that as a proper PR to
> drm-intel-next, then everything else is OK.

It's already in drm-intel-next, I guess the problem is basing the branch
on something that doesn't have it. I'd probably just base everything
cleanly on -rc1, and whoever does the merge between the two will need to
account for the missing include in the result. It's just adding one line
in the right place.

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Graphics Center



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