From: Christian König <christian.koenig@amd.com>
Date: Fri, 27 Nov 2020 11:51:33 +0000 (+0100)
Subject: drm/ttm: use pin_count more extensively
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=fde1403eeaa62a0bc04d490d93cd62e459cdaf6b;p=linux.git

drm/ttm: use pin_count more extensively

Check the pin_count instead of the lru list is empty here.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Link: https://patchwork.freedesktop.org/patch/404617/
---

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 2196e3d3ef29d..c702ec5445f7b 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -938,9 +938,8 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
 	}
 
 error:
-	if (bo->mem.mem_type == TTM_PL_SYSTEM && !list_empty(&bo->lru)) {
+	if (bo->mem.mem_type == TTM_PL_SYSTEM && !bo->pin_count)
 		ttm_bo_move_to_lru_tail_unlocked(bo);
-	}
 
 	return ret;
 }