drm/nvc0/fifo: use runlist event instead of polling (3cf6290a) · Commits · e / devices / android_kernel_xiaomi_markw

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);
		}