drm/nouveau/gr/gf100: select a stream master to fixup tfb offset queries

commit 28dca90533750c7e31e8641c3df426bad9c12941 upstream.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
index 9f5dfc85147a50df62f30fdb84453c18a622380e..36655a74c538a133f62fb7f879a1a72ae3775fc0 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -1717,6 +1717,8 @@ gf100_gr_init(struct gf100_gr *gr)
 
        gf100_gr_mmio(gr, gr->func->mmio);
 
+       nvkm_mask(device, TPC_UNIT(0, 0, 0x05c), 0x00000001, 0x00000001);
+
        memcpy(tpcnr, gr->tpc_nr, sizeof(gr->tpc_nr));
        for (i = 0, gpc = -1; i < gr->tpc_total; i++) {
                do {