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_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c
index e7c100b..d436c3c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_object.c
+++ b/drivers/gpu/drm/nouveau/nouveau_object.c
@@ -209,7 +209,7 @@
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->engine;
struct nouveau_gpuobj *gpuobj;
- struct mem_block *pramin = NULL;
+ struct drm_mm *pramin = NULL;
int ret;
NV_DEBUG(dev, "ch%d size=%u align=%d flags=0x%08x\n",
@@ -233,17 +233,17 @@
* available.
*/
if (chan) {
- if (chan->ramin_heap) {
+ if (chan->ramin_heap.ml_entry.next) {
NV_DEBUG(dev, "private heap\n");
- pramin = chan->ramin_heap;
+ pramin = &chan->ramin_heap;
} else
if (dev_priv->card_type < NV_50) {
NV_DEBUG(dev, "global heap fallback\n");
- pramin = dev_priv->ramin_heap;
+ pramin = &dev_priv->ramin_heap;
}
} else {
NV_DEBUG(dev, "global heap\n");
- pramin = dev_priv->ramin_heap;
+ pramin = &dev_priv->ramin_heap;
}
if (!pramin) {
@@ -260,9 +260,10 @@
}
/* Allocate a chunk of the PRAMIN aperture */
- gpuobj->im_pramin = nouveau_mem_alloc_block(pramin, size,
- drm_order(align),
- (struct drm_file *)-2, 0);
+ gpuobj->im_pramin = drm_mm_search_free(pramin, size, align, 0);
+ if (gpuobj->im_pramin)
+ gpuobj->im_pramin = drm_mm_get_block(gpuobj->im_pramin, size, align);
+
if (!gpuobj->im_pramin) {
nouveau_gpuobj_del(dev, &gpuobj);
return -ENOMEM;
@@ -386,7 +387,7 @@
if (gpuobj->flags & NVOBJ_FLAG_FAKE)
kfree(gpuobj->im_pramin);
else
- nouveau_mem_free_block(gpuobj->im_pramin);
+ drm_mm_put_block(gpuobj->im_pramin);
}
list_del(&gpuobj->list);
@@ -589,7 +590,7 @@
list_add_tail(&gpuobj->list, &dev_priv->gpuobj_list);
if (p_offset != ~0) {
- gpuobj->im_pramin = kzalloc(sizeof(struct mem_block),
+ gpuobj->im_pramin = kzalloc(sizeof(struct drm_mm_node),
GFP_KERNEL);
if (!gpuobj->im_pramin) {
nouveau_gpuobj_del(dev, &gpuobj);
@@ -944,8 +945,7 @@
}
pramin = chan->ramin->gpuobj;
- ret = nouveau_mem_init_heap(&chan->ramin_heap,
- pramin->im_pramin->start + base, size);
+ ret = drm_mm_init(&chan->ramin_heap, pramin->im_pramin->start + base, size);
if (ret) {
NV_ERROR(dev, "Error creating PRAMIN heap: %d\n", ret);
nouveau_gpuobj_ref_del(dev, &chan->ramin);
@@ -1130,8 +1130,8 @@
for (i = 0; i < dev_priv->vm_vram_pt_nr; i++)
nouveau_gpuobj_ref_del(dev, &chan->vm_vram_pt[i]);
- if (chan->ramin_heap)
- nouveau_mem_takedown(&chan->ramin_heap);
+ if (chan->ramin_heap.free_stack.next)
+ drm_mm_takedown(&chan->ramin_heap);
if (chan->ramin)
nouveau_gpuobj_ref_del(dev, &chan->ramin);