The drm_mm allocator tolerated being passed end > mm->size, but the
drm_buddy allocator does not.

Restore the pre-buddy-allocator behavior of allowing such placements.

Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3448
Signed-off-by: John Olender <john.olen...@gmail.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index 2d7f82e98df9..abdc52b0895a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -463,7 +463,7 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager 
*man,
        int r;
 
        lpfn = (u64)place->lpfn << PAGE_SHIFT;
-       if (!lpfn)
+       if (!lpfn || lpfn > man->size)
                lpfn = man->size;
 
        fpfn = (u64)place->fpfn << PAGE_SHIFT;
-- 
2.47.2

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