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drm/nv50-nvc0: explicitly map notifier bo into channel vm
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs committed Jun 23, 2011
1 parent 45143cb commit 0b71873
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Showing 3 changed files with 15 additions and 4 deletions.
1 change: 1 addition & 0 deletions drivers/gpu/drm/nouveau/nouveau_drv.h
Original file line number Diff line number Diff line change
Expand Up @@ -249,6 +249,7 @@ struct nouveau_channel {

/* Notifier memory */
struct nouveau_bo *notifier_bo;
struct nouveau_vma notifier_vma;
struct drm_mm notifier_heap;

/* PFIFO context */
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14 changes: 12 additions & 2 deletions drivers/gpu/drm/nouveau/nouveau_notifier.c
Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ int
nouveau_notifier_init_channel(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_bo *ntfy = NULL;
uint32_t flags, ttmpl;
int ret;
Expand All @@ -58,14 +59,22 @@ nouveau_notifier_init_channel(struct nouveau_channel *chan)
if (ret)
goto out_err;

if (dev_priv->card_type >= NV_50) {
ret = nouveau_bo_vma_add(ntfy, chan->vm, &chan->notifier_vma);
if (ret)
goto out_err;
}

ret = drm_mm_init(&chan->notifier_heap, 0, ntfy->bo.mem.size);
if (ret)
goto out_err;

chan->notifier_bo = ntfy;
out_err:
if (ret)
if (ret) {
nouveau_bo_vma_del(ntfy, &chan->notifier_vma);
drm_gem_object_unreference_unlocked(ntfy->gem);
}

return ret;
}
Expand All @@ -78,6 +87,7 @@ nouveau_notifier_takedown_channel(struct nouveau_channel *chan)
if (!chan->notifier_bo)
return;

nouveau_bo_vma_del(chan->notifier_bo, &chan->notifier_vma);
nouveau_bo_unmap(chan->notifier_bo);
mutex_lock(&dev->struct_mutex);
nouveau_bo_unpin(chan->notifier_bo);
Expand Down Expand Up @@ -125,7 +135,7 @@ nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle,
offset = chan->notifier_bo->bo.offset;
} else {
target = NV_MEM_TARGET_VM;
offset = chan->notifier_bo->vma.offset;
offset = chan->notifier_vma.offset;
}
offset += mem->start;

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4 changes: 2 additions & 2 deletions drivers/gpu/drm/nouveau/nvc0_fbcon.c
Original file line number Diff line number Diff line change
Expand Up @@ -203,8 +203,8 @@ nvc0_fbcon_accel_init(struct fb_info *info)
BEGIN_NVC0(chan, 2, NvSub2D, 0x0000, 1);
OUT_RING (chan, 0x0000902d);
BEGIN_NVC0(chan, 2, NvSub2D, 0x0104, 2);
OUT_RING (chan, upper_32_bits(chan->notifier_bo->vma.offset));
OUT_RING (chan, lower_32_bits(chan->notifier_bo->vma.offset));
OUT_RING (chan, upper_32_bits(chan->notifier_vma.offset));
OUT_RING (chan, lower_32_bits(chan->notifier_vma.offset));
BEGIN_NVC0(chan, 2, NvSub2D, 0x0290, 1);
OUT_RING (chan, 0);
BEGIN_NVC0(chan, 2, NvSub2D, 0x0888, 1);
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