drm/nouveau/gr/gf100: wait on bottom half of FE's pipeline

When emitting the ICMD bundle, wait on the bottom half (bit 3 of the
GR_STATUS register) instead of upper half (bit 2) to make sure methods
are effectively emitted.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@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 5606c25..01efc2c 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -699,7 +699,7 @@ gf100_gr_icmd(struct gf100_gr_priv *priv, const struct gf100_gr_pack *p)
 
                while (addr < next) {
                        nv_wr32(priv, 0x400200, addr);
-                       nv_wait(priv, 0x400700, 0x00000002, 0x00000000);
+                       nv_wait(priv, 0x400700, 0x00000004, 0x00000000);
                        addr += init->pitch;
                }
        }