drm/nouveau: add more fine-grained locking to channel list + structures
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nv04_fifo.c b/drivers/gpu/drm/nouveau/nv04_fifo.c
index 708293b..25c439d 100644
--- a/drivers/gpu/drm/nouveau/nv04_fifo.c
+++ b/drivers/gpu/drm/nouveau/nv04_fifo.c
@@ -208,7 +208,7 @@
if (chid < 0 || chid >= dev_priv->engine.fifo.channels)
return 0;
- chan = dev_priv->fifos[chid];
+ chan = dev_priv->channels.ptr[chid];
if (!chan) {
NV_ERROR(dev, "Inactive channel on PFIFO: %d\n", chid);
return -EINVAL;
@@ -289,7 +289,7 @@
pfifo->reassign(dev, true);
for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
- if (dev_priv->fifos[i]) {
+ if (dev_priv->channels.ptr[i]) {
uint32_t mode = nv_rd32(dev, NV04_PFIFO_MODE);
nv_wr32(dev, NV04_PFIFO_MODE, mode | (1 << i));
}