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| author | Ben Skeggs <bskeggs@redhat.com> | 2010-11-15 11:54:21 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-12-08 13:48:13 +1000 |
| commit | 4c1361429841344ce4d164492ee7620cf3286eb7 (patch) | |
| tree | 7cd23e9e99299b3265b2e59d49e3aa5b77a465f0 /drivers/gpu/drm/nouveau/nv50_graph.c | |
| parent | f869ef882382a4b6cb42d259e399aeec3781d4bb (diff) | |
| download | blackbird-op-linux-4c1361429841344ce4d164492ee7620cf3286eb7.tar.gz blackbird-op-linux-4c1361429841344ce4d164492ee7620cf3286eb7.zip | |
drm/nv50: implement global channel address space on new VM code
As of this commit, it's guaranteed that if an object is in VRAM that its
GPU virtual address will be constant.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_graph.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_graph.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c index f5fd1b296d27..c510e74acf4d 100644 --- a/drivers/gpu/drm/nouveau/nv50_graph.c +++ b/drivers/gpu/drm/nouveau/nv50_graph.c @@ -246,6 +246,7 @@ nv50_graph_create_context(struct nouveau_channel *chan) nv_wo32(chan->ramin_grctx, 0x00000, chan->ramin->vinst >> 12); dev_priv->engine.instmem.flush(dev); + atomic_inc(&chan->vm->pgraph_refs); return 0; } @@ -277,6 +278,8 @@ nv50_graph_destroy_context(struct nouveau_channel *chan) spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); nouveau_gpuobj_ref(NULL, &chan->ramin_grctx); + + atomic_dec(&chan->vm->pgraph_refs); } static int |
