1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 5614c89148c..69d7b1d0b9d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -1276,7 +1276,7 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
                 if (drm->agp.stat == ENABLED) {
                         mem->bus.offset = mem->start << PAGE_SHIFT;
                         mem->bus.base = drm->agp.base;
-                        mem->bus.is_iomem = true;
+                        mem->bus.is_iomem = !dev->agp->cant_use_aperture;
                 }
 #endif
                 break;