[Intel-gfx] [PATCH 1/2] drm/i915: Slice/Subslice/EU info via GETPARAM

[Jeff McGee]

On Tue, Aug 05, 2014 at 04:50:16PM +0200, Daniel Vetter wrote:
> On Tue, Aug 5, 2014 at 4:03 PM, Jeff McGee <jeff.mcgee at intel.com> wrote:
> >> Also, usual broken record request: I need open-source userspace using
> >> this (mesa, ddx, libva).
> >> -Daniel
> >>
> >
> > This is kind of chicken-and-egg problem that I haven't been through. I
> > assume that we build new interfaces up the stack (kernel->libdrm->usermode).
> > Any tips or docs on how to proceed?
> 
> You need to have the full thing ready with kernel, igt, libdrm, and
> umd driver patches (and maybe even testcases for the new umd feature,
> e.g. for some of the arb robustness stuff we've done). Then you post
> them all to relevant mailing lists and go through the review process
> for all parts. Once that's done and _all_ parts are reviewed, merging
> starts with kernel+igt, then libdrm + libdrm release, then umd.
> -Daniel

Thanks Daniel. Is it acceptable to get the kernel part merged with only
an igt test (technically an open-source userspace component)? I think
probably not, but have to ask.
-Jeff