Commit 3cf6290a authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nvc0/fifo: use runlist event instead of polling 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent e2822b7a

drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c

+4 −2
Original line number Diff line number Diff line
@@ -96,8 +96,10 @@ nvc0_fifo_runlist_update(struct nvc0_fifo_priv *priv) 
	nv_wr32(priv, 0x002270, cur->addr >> 12);

	nv_wr32(priv, 0x002274, 0x01f00000 | (p >> 3));



	if (!nv_wait(priv, 0x00227c, 0x00100000, 0x00000000))

		nv_error(priv, "runlist update failed\n");

	if (wait_event_timeout(priv->runlist.wait,

			       !(nv_rd32(priv, 0x00227c) & 0x00100000),

			       msecs_to_jiffies(2000)) == 0)

		nv_error(priv, "runlist update timeout\n");

	mutex_unlock(&nv_subdev(priv)->mutex);

}