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Merge remote branch 'nouveau/for-airlied' of /ssd/git/drm-nouveau-next into drm-fixes

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* 'nouveau/for-airlied' of /ssd/git/drm-nouveau-next:
  drm/nv50: initialize ramht_refs list for faked 0 channel
  drm/nouveau: Don't take struct_mutex around the pushbuf IOCTL.
  drm/nouveau: Take fence spinlock before reading the last sequence.
This commit is contained in:
Dave Airlie 2010-09-03 13:31:33 +10:00
commit 4645b94e5c
3 changed files with 8 additions and 7 deletions
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6
drivers/gpu/drm/nouveau/nouveau_fence.c
View File

@ -64,16 +64,17 @@ nouveau_fence_update(struct nouveau_channel *chan)
struct nouveau_fence *fence;
uint32_t sequence;
spin_lock(&chan->fence.lock);
if (USE_REFCNT)
sequence = nvchan_rd32(chan, 0x48);
else
sequence = atomic_read(&chan->fence.last_sequence_irq);
if (chan->fence.sequence_ack == sequence)
return;
goto out;
chan->fence.sequence_ack = sequence;
spin_lock(&chan->fence.lock);
list_for_each_safe(entry, tmp, &chan->fence.pending) {
fence = list_entry(entry, struct nouveau_fence, entry);
@ -85,6 +86,7 @@ nouveau_fence_update(struct nouveau_channel *chan)
if (sequence == chan->fence.sequence_ack)
break;
}
out:
spin_unlock(&chan->fence.lock);
}

7
drivers/gpu/drm/nouveau/nouveau_gem.c
View File

@ -245,7 +245,7 @@ validate_fini_list(struct list_head *list, struct nouveau_fence *fence)
list_del(&nvbo->entry);
nvbo->reserved_by = NULL;
ttm_bo_unreserve(&nvbo->bo);
drm_gem_object_unreference(nvbo->gem);
drm_gem_object_unreference_unlocked(nvbo->gem);
}
}
@ -300,7 +300,7 @@ retry:
validate_fini(op, NULL);
if (ret == -EAGAIN)
ret = ttm_bo_wait_unreserved(&nvbo->bo, false);
drm_gem_object_unreference(gem);
drm_gem_object_unreference_unlocked(gem);
if (ret) {
NV_ERROR(dev, "fail reserve\n");
return ret;
@ -616,8 +616,6 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
return PTR_ERR(bo);
}
mutex_lock(&dev->struct_mutex);
/* Mark push buffers as being used on PFIFO, the validation code
* will then make sure that if the pushbuf bo moves, that they
* happen on the kernel channel, which will in turn cause a sync
@ -731,7 +729,6 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
out:
validate_fini(&op, fence);
nouveau_fence_unref((void**)&fence);
mutex_unlock(&dev->struct_mutex);
kfree(bo);
kfree(push);

2
drivers/gpu/drm/nouveau/nv50_instmem.c
View File

@ -139,6 +139,8 @@ nv50_instmem_init(struct drm_device *dev)
chan->file_priv = (struct drm_file *)-2;
dev_priv->fifos[0] = dev_priv->fifos[127] = chan;
INIT_LIST_HEAD(&chan->ramht_refs);
/* Channel's PRAMIN object + heap */
ret = nouveau_gpuobj_new_fake(dev, 0, c_offset, c_size, 0,
NULL, &chan->ramin);