From: Ben Skeggs <bskeggs@redhat.com>
Date: Mon, 13 May 2013 01:09:59 +0000 (+1000)
Subject: drm/nvc0/fifo: prevent CHAN_TABLE_ERROR:CHANNEL_PENDING on fifo fini
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9426eedb26cfe646a843295ac7f91bf866323f92;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

drm/nvc0/fifo: prevent CHAN_TABLE_ERROR:CHANNEL_PENDING on fifo fini

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
index 1613193e21e6..46dfa68c47bb 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
@@ -250,9 +250,17 @@ nvc0_fifo_chan_fini(struct nouveau_object *object, bool suspend)
 	struct nvc0_fifo_priv *priv = (void *)object->engine;
 	struct nvc0_fifo_chan *chan = (void *)object;
 	u32 chid = chan->base.chid;
+	u32 mask, engine;
 
 	nv_mask(priv, 0x003004 + (chid * 8), 0x00000001, 0x00000000);
 	nvc0_fifo_playlist_update(priv);
+	mask = nv_rd32(priv, 0x0025a4);
+	for (engine = 0; mask && engine < 16; engine++) {
+		if (!(mask & (1 << engine)))
+			continue;
+		nv_mask(priv, 0x0025a8 + (engine * 4), 0x00000000, 0x00000000);
+		mask &= ~(1 << engine);
+	}
 	nv_wr32(priv, 0x003000 + (chid * 8), 0x00000000);
 
 	return nouveau_fifo_channel_fini(&chan->base, suspend);