drm/nouveau: allocate kernel's notifier object at end of block
The nv30/nv40 3d driver is about to start using DMA_FENCE from the 3D
object which, it turns out, doesn't like its DMA object to not be
aligned to a 4KiB boundary.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c
index fe29d60..5ea1676 100644
--- a/drivers/gpu/drm/nouveau/nouveau_notifier.c
+++ b/drivers/gpu/drm/nouveau/nouveau_notifier.c
@@ -96,7 +96,8 @@
int
nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle,
- int size, uint32_t *b_offset)
+ int size, uint32_t start, uint32_t end,
+ uint32_t *b_offset)
{
struct drm_device *dev = chan->dev;
struct nouveau_gpuobj *nobj = NULL;
@@ -104,9 +105,10 @@
uint32_t offset;
int target, ret;
- mem = drm_mm_search_free(&chan->notifier_heap, size, 0, 0);
+ mem = drm_mm_search_free_in_range(&chan->notifier_heap, size, 0,
+ start, end, 0);
if (mem)
- mem = drm_mm_get_block(mem, size, 0);
+ mem = drm_mm_get_block_range(mem, size, 0, start, end);
if (!mem) {
NV_ERROR(dev, "Channel %d notifier block full\n", chan->id);
return -ENOMEM;
@@ -177,7 +179,8 @@
if (IS_ERR(chan))
return PTR_ERR(chan);
- ret = nouveau_notifier_alloc(chan, na->handle, na->size, &na->offset);
+ ret = nouveau_notifier_alloc(chan, na->handle, na->size, 0, 0x1000,
+ &na->offset);
nouveau_channel_put(&chan);
return ret;
}