[PATCH 1/1] drm/amdgpu: fix amdgpu_res_first()

Nirmoy Das nirmoy.das at amd.com
Fri Mar 19 19:08:23 UTC 2021


Fix size comparison in the resource cursor.

Signed-off-by: Nirmoy Das <nirmoy.das at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h
index b49a61d07d60..40f2adf305bc 100644
--- 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;
-- 
2.30.1



More information about the amd-gfx mailing list