drm/nvc0: fix channel dma init paths
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c
index 6ff77ce..65699bf 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dma.c
@@ -36,7 +36,7 @@
struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
struct nouveau_bo *pushbuf = chan->pushbuf_bo;
- if (dev_priv->card_type == NV_50) {
+ if (dev_priv->card_type >= NV_50) {
const int ib_size = pushbuf->bo.mem.size / 2;
chan->dma.ib_base = (pushbuf->bo.mem.size - ib_size) >> 2;
@@ -61,6 +61,21 @@
struct drm_nouveau_private *dev_priv = dev->dev_private;
int ret, i;
+ if (dev_priv->card_type >= NV_C0) {
+ ret = nouveau_gpuobj_gr_new(chan, 0x9039, 0x9039);
+ if (ret)
+ return ret;
+
+ ret = RING_SPACE(chan, 2);
+ if (ret)
+ return ret;
+
+ BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0000, 1);
+ OUT_RING (chan, 0x00009039);
+ FIRE_RING (chan);
+ return 0;
+ }
+
/* Create NV_MEMORY_TO_MEMORY_FORMAT for buffer moves */
ret = nouveau_gpuobj_gr_new(chan, NvM2MF, dev_priv->card_type < NV_50 ?
0x0039 : 0x5039);
@@ -72,11 +87,6 @@
if (ret)
return ret;
- /* Map push buffer */
- ret = nouveau_bo_map(chan->pushbuf_bo);
- if (ret)
- return ret;
-
/* Insert NOPS for NOUVEAU_DMA_SKIPS */
ret = RING_SPACE(chan, NOUVEAU_DMA_SKIPS);
if (ret)