[Intel-gfx] [PATCH] rendercopy/gen8: Also emit 3DSTATE_WM_DEPTH_STENCIL.

[Ben Widawsky]

On Tue, Jun 03, 2014 at 02:52:30PM -0700, Kenneth Graunke wrote:
> rendercopy was failing to emit 3DSTATE_WM_DEPTH_STENCIL, which is a new
> packet on Broadwell.  Mesa emits this packet.
> 
> This appears to fix various tests on a fresh boot, when Mesa has never
> run.
> 
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78890
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78891
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78935
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78936
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78937
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78938
> Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
> Cc: Ben Widawsky <ben at bwidawsk.net>

I sat with Ken all day today (after a few days of debugging myself) and
it does what it purport to do, and fixes a bunch of tests.

Reviewed-by: Ben Widawsky <ben at bwidawsk.net>

FWIW: I don't think we need to update the null state in the kernel. It's
actually kind of nice for finding userspace bugs.

-- 
Ben Widawsky, Intel Open Source Technology Center