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From 80f09792ff3afb5b641489f1433fd1b60e4b6fff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Mon, 13 May 2019 15:42:52 +0200
Subject: [PATCH 2037/2940] drm/ttm: remove manual placement preference
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

If drivers don't prefer a system memory placement
they should not but it into the placement list first.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Tested-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 6b79825705d9..c93ca60408b7 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1022,8 +1022,12 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
 		ttm_flag_masked(&cur_flags, place->flags,
 				~TTM_PL_MASK_MEMTYPE);
 
-		if (mem_type == TTM_PL_SYSTEM)
-			break;
+		if (mem_type == TTM_PL_SYSTEM) {
+			mem->mem_type = mem_type;
+			mem->placement = cur_flags;
+			mem->mm_node = NULL;
+			return 0;
+		}
 
 		ret = (*man->func->get_node)(man, bo, place, mem);
 		if (unlikely(ret))
@@ -1035,16 +1039,12 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
 				(*man->func->put_node)(man, mem);
 				return ret;
 			}
-			break;
+			mem->mem_type = mem_type;
+			mem->placement = cur_flags;
+			return 0;
 		}
 	}
 
-	if ((type_ok && (mem_type == TTM_PL_SYSTEM)) || mem->mm_node) {
-		mem->mem_type = mem_type;
-		mem->placement = cur_flags;
-		return 0;
-	}
-
 	for (i = 0; i < placement->num_busy_placement; ++i) {
 		const struct ttm_place *place = &placement->busy_placement[i];
 
-- 
2.17.1