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From 6df3912f64cea68409b08d282ffbccf0af7f8d8e Mon Sep 17 00:00:00 2001
From: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Date: Mon, 17 Oct 2022 13:15:21 -0700
Subject: [PATCH] drm/amdgpu: Fix for BO move issue
If there are no blocks to compare then exit
the loop.
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 794062ab57fca4..9e6c23266a1a0f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -439,6 +439,9 @@ static bool amdgpu_mem_visible(struct amdgpu_device *adev,
while (cursor.remaining) {
amdgpu_res_next(&cursor, cursor.size);
+ if (!cursor.remaining)
+ break;
+
/* ttm_resource_ioremap only supports contiguous memory */
if (end != cursor.start)
return false;
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