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Subject[PATCH 5.12 027/127] drm/ttm: Do not add non-system domain BO into swap list
Date
From: xinhui pan <xinhui.pan@amd.com>

[ Upstream commit ad2c28bd9a4083816fa45a7e90c2486cde8a9873 ]

BO would be added into swap list if it is validated into system domain.
If BO is validated again into non-system domain, say, VRAM domain. It
actually should not be in the swap list.

Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Acked-by: Guchun Chen <guchun.chen@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210224032808.150465-1-xinhui.pan@amd.com
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/ttm/ttm_bo.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 101a68dc615b..799ec7a7caa4 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -153,6 +153,8 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo,

swap = &ttm_bo_glob.swap_lru[bo->priority];
list_move_tail(&bo->swap, swap);
+ } else {
+ list_del_init(&bo->swap);
}

if (bdev->driver->del_from_lru_notify)
--
2.30.2


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