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drm/nv84-/fence: abstract class emit/sync functions to virt+sequence

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Now can be used to operate on any buffer mapped into the GPU virtual
address and not just the main inter-channel sync buffer.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs
2013-02-14 09:37:35 +10:00
parent a34caf78f2
commit bba9852fee
3 changed files with 53 additions and 50 deletions
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40
drivers/gpu/drm/nouveau/nvc0_fence.c
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@@ -35,48 +35,34 @@
#include "nv50_display.h"
static int
nvc0_fence_emit(struct nouveau_fence *fence)
nvc0_fence_emit32(struct nouveau_channel *chan, u64 virtual, u32 sequence)
{
struct nouveau_channel *chan = fence->channel;
struct nv84_fence_chan *fctx = chan->fence;
struct nouveau_fifo_chan *fifo = (void *)chan->object;
u64 addr = fctx->vma.offset + fifo->chid * 16;
int ret;
ret = RING_SPACE(chan, 6);
int ret = RING_SPACE(chan, 6);
if (ret == 0) {
BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 5);
OUT_RING (chan, upper_32_bits(addr));
OUT_RING (chan, lower_32_bits(addr));
OUT_RING (chan, fence->sequence);
OUT_RING (chan, upper_32_bits(virtual));
OUT_RING (chan, lower_32_bits(virtual));
OUT_RING (chan, sequence);
OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG);
OUT_RING (chan, 0x00000000);
FIRE_RING (chan);
}
return ret;
}
static int
nvc0_fence_sync(struct nouveau_fence *fence,
struct nouveau_channel *prev, struct nouveau_channel *chan)
nvc0_fence_sync32(struct nouveau_channel *chan, u64 virtual, u32 sequence)
{
struct nv84_fence_chan *fctx = chan->fence;
struct nouveau_fifo_chan *fifo = (void *)prev->object;
u64 addr = fctx->vma.offset + fifo->chid * 16;
int ret;
ret = RING_SPACE(chan, 5);
int ret = RING_SPACE(chan, 5);
if (ret == 0) {
BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
OUT_RING (chan, upper_32_bits(addr));
OUT_RING (chan, lower_32_bits(addr));
OUT_RING (chan, fence->sequence);
OUT_RING (chan, upper_32_bits(virtual));
OUT_RING (chan, lower_32_bits(virtual));
OUT_RING (chan, sequence);
OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_GEQUAL |
NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD);
FIRE_RING (chan);
}
return ret;
}
@@ -96,8 +82,10 @@ nvc0_fence_create(struct nouveau_drm *drm)
priv->base.resume = nv84_fence_resume;
priv->base.context_new = nv84_fence_context_new;
priv->base.context_del = nv84_fence_context_del;
priv->base.emit = nvc0_fence_emit;
priv->base.sync = nvc0_fence_sync;
priv->base.emit32 = nvc0_fence_emit32;
priv->base.emit = nv84_fence_emit;
priv->base.sync32 = nvc0_fence_sync32;
priv->base.sync = nv84_fence_sync;
priv->base.read = nv84_fence_read;
init_waitqueue_head(&priv->base.waiting);