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path: root/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c')
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
index ddaeb557290..e9b8217d007 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
@@ -40,8 +40,8 @@
* FIFO channel objects
******************************************************************************/
-void
-nv50_fifo_playlist_update(struct nv50_fifo_priv *priv)
+static void
+nv50_fifo_playlist_update_locked(struct nv50_fifo_priv *priv)
{
struct nouveau_bar *bar = nouveau_bar(priv);
struct nouveau_gpuobj *cur;
@@ -62,6 +62,14 @@ nv50_fifo_playlist_update(struct nv50_fifo_priv *priv)
nv_wr32(priv, 0x002500, 0x00000101);
}
+void
+nv50_fifo_playlist_update(struct nv50_fifo_priv *priv)
+{
+ mutex_lock(&nv_subdev(priv)->mutex);
+ nv50_fifo_playlist_update_locked(priv);
+ mutex_unlock(&nv_subdev(priv)->mutex);
+}
+
static int
nv50_fifo_context_attach(struct nouveau_object *parent,
struct nouveau_object *object)
@@ -487,7 +495,7 @@ nv50_fifo_init(struct nouveau_object *object)
for (i = 0; i < 128; i++)
nv_wr32(priv, 0x002600 + (i * 4), 0x00000000);
- nv50_fifo_playlist_update(priv);
+ nv50_fifo_playlist_update_locked(priv);
nv_wr32(priv, 0x003200, 0x00000001);
nv_wr32(priv, 0x003250, 0x00000001);