releases/4.4.9/drm-nouveau-gr-gf100-select-a-stream-master-to-fixup-tfb-offset-queries.patch

   1 From 28dca90533750c7e31e8641c3df426bad9c12941 Mon Sep 17 00:00:00 2001
   2 From: Ben Skeggs <bskeggs@redhat.com>
   3 Date: Fri, 22 Apr 2016 10:05:21 +1000
   4 Subject: drm/nouveau/gr/gf100: select a stream master to fixup tfb offset queries
   5
   6 From: Ben Skeggs <bskeggs@redhat.com>
   7
   8 commit 28dca90533750c7e31e8641c3df426bad9c12941 upstream.
   9
  10 Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
  11 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  12
  13 ---
  14  drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c |    2 ++
  15  1 file changed, 2 insertions(+)
  16
  17 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
  18 +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
  19 @@ -1717,6 +1717,8 @@ gf100_gr_init(struct gf100_gr *gr)
  20
  21         gf100_gr_mmio(gr, gr->func->mmio);
  22
  23 +       nvkm_mask(device, TPC_UNIT(0, 0, 0x05c), 0x00000001, 0x00000001);
  24 +
  25         memcpy(tpcnr, gr->tpc_nr, sizeof(gr->tpc_nr));
  26         for (i = 0, gpc = -1; i < gr->tpc_total; i++) {
  27                 do {