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drm/nouveau: remove m2mf creation on userspace channels

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs
2012-03-18 00:40:41 +10:00
parent d5316e2512
commit 48aca13f01
4 changed files with 93 additions and 81 deletions
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61
drivers/gpu/drm/nouveau/nouveau_dma.c
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@@ -31,7 +31,7 @@
#include "nouveau_ramht.h"
void
nouveau_dma_pre_init(struct nouveau_channel *chan)
nouveau_dma_init(struct nouveau_channel *chan)
{
struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
struct nouveau_bo *pushbuf = chan->pushbuf_bo;
@@ -54,65 +54,6 @@ nouveau_dma_pre_init(struct nouveau_channel *chan)
chan->dma.free = chan->dma.max - chan->dma.cur;
}
int
nouveau_dma_init(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
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);
if (ret)
return ret;
/* NV_MEMORY_TO_MEMORY_FORMAT requires a notifier object */
ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfe0, 0x1000,
&chan->m2mf_ntfy);
if (ret)
return ret;
/* Insert NOPS for NOUVEAU_DMA_SKIPS */
ret = RING_SPACE(chan, NOUVEAU_DMA_SKIPS);
if (ret)
return ret;
for (i = 0; i < NOUVEAU_DMA_SKIPS; i++)
OUT_RING(chan, 0);
/* Initialise NV_MEMORY_TO_MEMORY_FORMAT */
ret = RING_SPACE(chan, 6);
if (ret)
return ret;
BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NAME, 1);
OUT_RING (chan, NvM2MF);
BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_DMA_NOTIFY, 3);
OUT_RING (chan, NvNotify0);
OUT_RING (chan, chan->vram_handle);
OUT_RING (chan, chan->gart_handle);
/* Sit back and pray the channel works.. */
FIRE_RING(chan);
return 0;
}
void
OUT_RINGp(struct nouveau_channel *chan, const void *data, unsigned nr_dwords)
{