drm/nouveau: use drm_mm in preference to custom code doing the same thing
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c
index 9537f3e..32f7fbd 100644
--- a/drivers/gpu/drm/nouveau/nouveau_notifier.c
+++ b/drivers/gpu/drm/nouveau/nouveau_notifier.c
@@ -55,7 +55,7 @@
if (ret)
goto out_err;
- ret = nouveau_mem_init_heap(&chan->notifier_heap, 0, ntfy->bo.mem.size);
+ ret = drm_mm_init(&chan->notifier_heap, 0, ntfy->bo.mem.size);
if (ret)
goto out_err;
@@ -80,7 +80,7 @@
nouveau_bo_unpin(chan->notifier_bo);
mutex_unlock(&dev->struct_mutex);
drm_gem_object_unreference_unlocked(chan->notifier_bo->gem);
- nouveau_mem_takedown(&chan->notifier_heap);
+ drm_mm_takedown(&chan->notifier_heap);
}
static void
@@ -90,7 +90,7 @@
NV_DEBUG(dev, "\n");
if (gpuobj->priv)
- nouveau_mem_free_block(gpuobj->priv);
+ drm_mm_put_block(gpuobj->priv);
}
int
@@ -100,18 +100,13 @@
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *nobj = NULL;
- struct mem_block *mem;
+ struct drm_mm_node *mem;
uint32_t offset;
int target, ret;
- if (!chan->notifier_heap) {
- NV_ERROR(dev, "Channel %d doesn't have a notifier heap!\n",
- chan->id);
- return -EINVAL;
- }
-
- mem = nouveau_mem_alloc_block(chan->notifier_heap, size, 0,
- (struct drm_file *)-2, 0);
+ mem = drm_mm_search_free(&chan->notifier_heap, size, 0, 0);
+ if (mem)
+ mem = drm_mm_get_block(mem, size, 0);
if (!mem) {
NV_ERROR(dev, "Channel %d notifier block full\n", chan->id);
return -ENOMEM;
@@ -144,17 +139,17 @@
mem->size, NV_DMA_ACCESS_RW, target,
&nobj);
if (ret) {
- nouveau_mem_free_block(mem);
+ drm_mm_put_block(mem);
NV_ERROR(dev, "Error creating notifier ctxdma: %d\n", ret);
return ret;
}
- nobj->dtor = nouveau_notifier_gpuobj_dtor;
- nobj->priv = mem;
+ nobj->dtor = nouveau_notifier_gpuobj_dtor;
+ nobj->priv = mem;
ret = nouveau_gpuobj_ref_add(dev, chan, handle, nobj, NULL);
if (ret) {
nouveau_gpuobj_del(dev, &nobj);
- nouveau_mem_free_block(mem);
+ drm_mm_put_block(mem);
NV_ERROR(dev, "Error referencing notifier ctxdma: %d\n", ret);
return ret;
}
@@ -170,7 +165,7 @@
return -EINVAL;
if (poffset) {
- struct mem_block *mem = nobj->priv;
+ struct drm_mm_node *mem = nobj->priv;
if (*poffset >= mem->size)
return false;