From ce67387b5c4f42e07d8be258db75ad2af1cbb44b Mon Sep 17 00:00:00 2001
From: Tao Zhou <tao.zhou1@amd.com>
Date: Sun, 30 Jan 2022 15:17:32 +0800
Subject: drm/amdgpu: fix list add issue in vram reserve
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Git-commit: 4e781873fa1359c9a85559b6da6548ac5b07ceb5
Patch-mainline: v5.18-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
The parameter order in the list_add_tail is incorrect, it causes the
reuse of ras reserved page.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
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 7442095f089c..fce9a13a6ba1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -281,7 +281,7 @@ int amdgpu_vram_mgr_reserve_range(struct amdgpu_vram_mgr *mgr,
rsv->mm_node.size = size >> PAGE_SHIFT;
spin_lock(&mgr->lock);
- list_add_tail(&mgr->reservations_pending, &rsv->node);
+ list_add_tail(&rsv->node, &mgr->reservations_pending);
amdgpu_vram_mgr_do_reserve(&mgr->manager);
spin_unlock(&mgr->lock);
--
2.38.1