drm/amdgpu: fix amdgpu_res_first()

Fix size comparison in the resource cursor.

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h
index b49a61d..40f2adf 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h
@@ -64,7 +64,7 @@ static inline void amdgpu_res_first(struct ttm_resource *res,
        BUG_ON(start + size > res->num_pages << PAGE_SHIFT);
 
        node = res->mm_node;
-       while (start > node->size << PAGE_SHIFT)
+       while (start >= node->size << PAGE_SHIFT)
                start -= node++->size << PAGE_SHIFT;
 
        cur->start = (node->start << PAGE_SHIFT) + start;