提交 96545299 编写于 作者: B Ben Skeggs

drm/nvc0: fix channel dma init paths

Signed-off-by: NBen Skeggs <bskeggs@redhat.com>
上级 5216782b
......@@ -38,9 +38,14 @@ nouveau_channel_pushbuf_ctxdma_init(struct nouveau_channel *chan)
int ret;
if (dev_priv->card_type >= NV_50) {
ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, 0,
(1ULL << 40), NV_MEM_ACCESS_RO,
NV_MEM_TARGET_VM, &pushbuf);
if (dev_priv->card_type < NV_C0) {
ret = nouveau_gpuobj_dma_new(chan,
NV_CLASS_DMA_IN_MEMORY, 0,
(1ULL << 40),
NV_MEM_ACCESS_RO,
NV_MEM_TARGET_VM,
&pushbuf);
}
chan->pushbuf_base = pb->bo.offset;
} else
if (pb->bo.mem.mem_type == TTM_PL_TT) {
......@@ -71,7 +76,7 @@ nouveau_channel_pushbuf_ctxdma_init(struct nouveau_channel *chan)
nouveau_gpuobj_ref(pushbuf, &chan->pushbuf);
nouveau_gpuobj_ref(NULL, &pushbuf);
return 0;
return ret;
}
static struct nouveau_bo *
......@@ -99,6 +104,13 @@ nouveau_channel_user_pushbuf_alloc(struct drm_device *dev)
return NULL;
}
ret = nouveau_bo_map(pushbuf);
if (ret) {
nouveau_bo_unpin(pushbuf);
nouveau_bo_ref(NULL, &pushbuf);
return NULL;
}
return pushbuf;
}
......
......@@ -36,7 +36,7 @@ nouveau_dma_pre_init(struct nouveau_channel *chan)
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 @@ nouveau_dma_init(struct nouveau_channel *chan)
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 @@ nouveau_dma_init(struct nouveau_channel *chan)
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)
......
......@@ -124,6 +124,12 @@ OUT_RING(struct nouveau_channel *chan, int data)
extern void
OUT_RINGp(struct nouveau_channel *chan, const void *data, unsigned nr_dwords);
static inline void
BEGIN_NVC0(struct nouveau_channel *chan, int op, int subc, int mthd, int size)
{
OUT_RING(chan, (op << 28) | (size << 16) | (subc << 13) | (mthd >> 2));
}
static inline void
BEGIN_RING(struct nouveau_channel *chan, int subc, int mthd, int size)
{
......
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