drm/nouveau: fix use of drm_mm_node in semaphore object

At some point in the future, this bo won't necessarily be backed by
a drm_mm_node, so use the start/size fields of the ttm_mem_reg instead.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c
index 3d50d5c3b0fe..01290d2952ae 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fence.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.c
@@ -450,12 +450,11 @@ nouveau_fence_channel_init(struct nouveau_channel *chan)
 
         /* Create a DMA object for the shared cross-channel sync area. */
         if (USE_SEMA(dev)) {
-                struct drm_mm_node *mem = dev_priv->fence.bo->bo.mem.mm_node;
+                struct ttm_mem_reg *mem = &dev_priv->fence.bo->bo.mem;
 
                 ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY,
                                              mem->start << PAGE_SHIFT,
-                                             mem->size << PAGE_SHIFT,
-                                             NV_MEM_ACCESS_RW,
+                                             mem->size, NV_MEM_ACCESS_RW,
                                              NV_MEM_TARGET_VRAM, &obj);
                 if (ret)
                         return ret;