Am 04.08.20 um 04:56 schrieb Dave Airlie:
From: Dave Airlie <airl...@redhat.com>

The driver now controls these, the core just controls the system
memory one.

v2: init sysman explicitly and assign it as a driver manager
to simplify the lookup sequence.

Signed-off-by: Dave Airlie <airl...@redhat.com>

Reviewed-by: Christian König <christian.koe...@amd.com>

---
  drivers/gpu/drm/ttm/ttm_bo.c    | 6 +++---
  include/drm/ttm/ttm_bo_driver.h | 6 ++----
  2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 78b72443a9ef..12abe46bfbc1 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1558,6 +1558,7 @@ int ttm_bo_device_release(struct ttm_bo_device *bdev)
man = ttm_manager_type(bdev, TTM_PL_SYSTEM);
        ttm_mem_type_manager_disable(man);
+       ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, NULL);
mutex_lock(&ttm_global_mutex);
        list_del(&bdev->device_list);
@@ -1583,7 +1584,7 @@ EXPORT_SYMBOL(ttm_bo_device_release);
static void ttm_bo_init_sysman(struct ttm_bo_device *bdev)
  {
-       struct ttm_mem_type_manager *man = ttm_manager_type(bdev, 
TTM_PL_SYSTEM);
+       struct ttm_mem_type_manager *man = &bdev->sysman;
/*
         * Initialize the system memory buffer type.
@@ -1594,6 +1595,7 @@ static void ttm_bo_init_sysman(struct ttm_bo_device *bdev)
        man->default_caching = TTM_PL_FLAG_CACHED;
ttm_mem_type_manager_init(man, 0);
+       ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, man);
        ttm_mem_type_manager_set_used(man, true);
  }
@@ -1615,8 +1617,6 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev, bdev->driver = driver; - memset(bdev->man_priv, 0, sizeof(bdev->man_priv));
-
        ttm_bo_init_sysman(bdev);
bdev->vma_manager = vma_manager;
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index bfd19400372f..d5646d7cac60 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -414,7 +414,7 @@ struct ttm_bo_device {
        /*
         * access via ttm_manager_type.
         */
-       struct ttm_mem_type_manager man_priv[TTM_NUM_MEM_TYPES];
+       struct ttm_mem_type_manager sysman;
        struct ttm_mem_type_manager *man_drv[TTM_NUM_MEM_TYPES];
        /*
         * Protected by internal locks.
@@ -446,9 +446,7 @@ struct ttm_bo_device {
  static inline struct ttm_mem_type_manager *ttm_manager_type(struct 
ttm_bo_device *bdev,
                                                            int mem_type)
  {
-       if (bdev->man_drv[mem_type])
-               return bdev->man_drv[mem_type];
-       return &bdev->man_priv[mem_type];
+       return bdev->man_drv[mem_type];
  }
static inline void ttm_set_driver_manager(struct ttm_bo_device *bdev,

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