drm/nv50: delete ramfc object after disabling fifo, not before

ramfc is zero'ed upon destruction, so it's safer to do things in the right
order.

Signed-off-by: Maarten Maathuis <madman2003@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nv50_fifo.c b/drivers/gpu/drm/nouveau/nv50_fifo.c
index 32b244bcb482e5e71535391c7afcc68a7d63c008..204a79ff10f4e529479bc0136f4209282e085d8c 100644 (file)
--- a/drivers/gpu/drm/nouveau/nv50_fifo.c
+++ b/drivers/gpu/drm/nouveau/nv50_fifo.c
@@ -317,17 +317,20 @@ void
 nv50_fifo_destroy_context(struct nouveau_channel *chan)
 {
        struct drm_device *dev = chan->dev;
+       struct nouveau_gpuobj_ref *ramfc = chan->ramfc;
 
        NV_DEBUG(dev, "ch%d\n", chan->id);
 
-       nouveau_gpuobj_ref_del(dev, &chan->ramfc);
-       nouveau_gpuobj_ref_del(dev, &chan->cache);
-
+       /* This will ensure the channel is seen as disabled. */
+       chan->ramfc = NULL;
        nv50_fifo_channel_disable(dev, chan->id, false);
 
        /* Dummy channel, also used on ch 127 */
        if (chan->id == 0)
                nv50_fifo_channel_disable(dev, 127, false);
+
+       nouveau_gpuobj_ref_del(dev, &ramfc);
+       nouveau_gpuobj_ref_del(dev, &chan->cache);
 }
 
 int