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authorBen Skeggs <bskeggs@redhat.com>2010-11-01 04:45:02 +0300
committerBen Skeggs <bskeggs@redhat.com>2010-12-03 08:11:48 +0300
commite41115d0ad5c40a7ea4d85b1c77b4c02185a5581 (patch)
treeee8c82c17857fdd7989edb89735009b85c3a045c /drivers/gpu/drm/nouveau/nv04_instmem.c
parentdc1e5c0dbff27c2b5147eaea16c578d2337870c3 (diff)
downloadlinux-e41115d0ad5c40a7ea4d85b1c77b4c02185a5581.tar.xz
drm/nouveau: rework gpu-specific instmem interfaces
Reviewed-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_instmem.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv04_instmem.c50
1 files changed, 37 insertions, 13 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_instmem.c b/drivers/gpu/drm/nouveau/nv04_instmem.c
index 554e55d0ec48..b8e3edb5c063 100644
--- a/drivers/gpu/drm/nouveau/nv04_instmem.c
+++ b/drivers/gpu/drm/nouveau/nv04_instmem.c
@@ -98,42 +98,66 @@ nv04_instmem_takedown(struct drm_device *dev)
}
int
-nv04_instmem_populate(struct drm_device *dev, struct nouveau_gpuobj *gpuobj,
- u32 *size, u32 align)
+nv04_instmem_suspend(struct drm_device *dev)
{
return 0;
}
void
-nv04_instmem_clear(struct drm_device *dev, struct nouveau_gpuobj *gpuobj)
-{
-}
-
-int
-nv04_instmem_bind(struct drm_device *dev, struct nouveau_gpuobj *gpuobj)
+nv04_instmem_resume(struct drm_device *dev)
{
- return 0;
}
int
-nv04_instmem_unbind(struct drm_device *dev, struct nouveau_gpuobj *gpuobj)
+nv04_instmem_get(struct nouveau_gpuobj *gpuobj, u32 size, u32 align)
{
+ struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
+ struct drm_mm_node *ramin = NULL;
+
+ do {
+ if (drm_mm_pre_get(&dev_priv->ramin_heap))
+ return -ENOMEM;
+
+ spin_lock(&dev_priv->ramin_lock);
+ ramin = drm_mm_search_free(&dev_priv->ramin_heap, size, align, 0);
+ if (ramin == NULL) {
+ spin_unlock(&dev_priv->ramin_lock);
+ return -ENOMEM;
+ }
+
+ ramin = drm_mm_get_block_atomic(ramin, size, align);
+ spin_unlock(&dev_priv->ramin_lock);
+ } while (ramin == NULL);
+
+ gpuobj->node = ramin;
+ gpuobj->vinst = ramin->start;
return 0;
}
void
-nv04_instmem_flush(struct drm_device *dev)
+nv04_instmem_put(struct nouveau_gpuobj *gpuobj)
{
+ struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
+
+ spin_lock(&dev_priv->ramin_lock);
+ drm_mm_put_block(gpuobj->node);
+ gpuobj->node = NULL;
+ spin_unlock(&dev_priv->ramin_lock);
}
int
-nv04_instmem_suspend(struct drm_device *dev)
+nv04_instmem_map(struct nouveau_gpuobj *gpuobj)
{
+ gpuobj->pinst = gpuobj->vinst;
return 0;
}
void
-nv04_instmem_resume(struct drm_device *dev)
+nv04_instmem_unmap(struct nouveau_gpuobj *gpuobj)
{
}
+void
+nv04_instmem_flush(struct drm_device *dev)
+{
+}