drm/nouveau/gr/gf100-: gpfifo_ctl zero before init

Match RM.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
index ffdb5c38afee4152b0b55ffedec6c646c8a3145a..17e1c0dfda478cef1fa5e9defd2b6603851ef3cb 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -2285,6 +2285,8 @@ gf100_gr_init(struct gf100_gr *gr)
        struct nvkm_device *device = gr->base.engine.subdev.device;
        int gpc, tpc, rop;
 
+       nvkm_mask(device, 0x400500, 0x00010001, 0x00000000);
+
        if (gr->func->init_419bd8)
                gr->func->init_419bd8(gr);