drm/ttm: add back a reference to the bdev to the res manager

It is simply a lot cleaner to have this around instead of adding
the device throughout the call chain.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220124122514.1832-3-christian.koenig@amd.com

drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c

@@ -293,7 +293,8 @@ int amdgpu_gtt_mgr_init(struct amdgpu_device *adev, uint64_t gtt_size)
 	man->use_tt = true;
 	man->func = &amdgpu_gtt_mgr_func;
 
-	ttm_resource_manager_init(man, gtt_size >> PAGE_SHIFT);
+	ttm_resource_manager_init(man, &adev->mman.bdev,
+				  gtt_size >> PAGE_SHIFT);
 
 	start = AMDGPU_GTT_MAX_TRANSFER_SIZE * AMDGPU_GTT_NUM_TRANSFER_WINDOWS;
 	size = (adev->gmc.gart_size >> PAGE_SHIFT) - start;

drivers/gpu/drm/amd/amdgpu/amdgpu_preempt_mgr.c

@@ -153,7 +153,7 @@ int amdgpu_preempt_mgr_init(struct amdgpu_device *adev)
 	man->use_tt = true;
 	man->func = &amdgpu_preempt_mgr_func;
 
-	ttm_resource_manager_init(man, (1 << 30));
+	ttm_resource_manager_init(man, &adev->mman.bdev, (1 << 30));
 
 	atomic64_set(&mgr->used, 0);
 

drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c

@@ -699,7 +699,8 @@ int amdgpu_vram_mgr_init(struct amdgpu_device *adev)
 	struct amdgpu_vram_mgr *mgr = &adev->mman.vram_mgr;
 	struct ttm_resource_manager *man = &mgr->manager;
 
-	ttm_resource_manager_init(man, adev->gmc.real_vram_size >> PAGE_SHIFT);
+	ttm_resource_manager_init(man, &adev->mman.bdev,
+				  adev->gmc.real_vram_size >> PAGE_SHIFT);
 
 	man->func = &amdgpu_vram_mgr_func;
 

drivers/gpu/drm/i915/i915_ttm_buddy_manager.c

@@ -205,7 +205,7 @@ int i915_ttm_buddy_man_init(struct ttm_device *bdev,
 	man = &bman->manager;
 	man->use_tt = use_tt;
 	man->func = &i915_ttm_buddy_manager_func;
-	ttm_resource_manager_init(man, bman->mm.size >> PAGE_SHIFT);
+	ttm_resource_manager_init(man, bdev, bman->mm.size >> PAGE_SHIFT);
 
 	ttm_resource_manager_set_used(man, true);
 	ttm_set_driver_manager(bdev, type, man);

drivers/gpu/drm/nouveau/nouveau_ttm.c

@@ -164,7 +164,7 @@ nouveau_ttm_init_vram(struct nouveau_drm *drm)
 
 		man->func = &nouveau_vram_manager;
 
-		ttm_resource_manager_init(man,
+		ttm_resource_manager_init(man, &drm->ttm.bdev,
 					  drm->gem.vram_available >> PAGE_SHIFT);
 		ttm_set_driver_manager(&drm->ttm.bdev, TTM_PL_VRAM, man);
 		ttm_resource_manager_set_used(man, true);
@@ -211,7 +211,7 @@ nouveau_ttm_init_gtt(struct nouveau_drm *drm)
 
 	man->func = func;
 	man->use_tt = true;
-	ttm_resource_manager_init(man, size_pages);
+	ttm_resource_manager_init(man, &drm->ttm.bdev, size_pages);
 	ttm_set_driver_manager(&drm->ttm.bdev, TTM_PL_TT, man);
 	ttm_resource_manager_set_used(man, true);
 	return 0;

drivers/gpu/drm/ttm/ttm_range_manager.c

@@ -158,7 +158,7 @@ int ttm_range_man_init_nocheck(struct ttm_device *bdev,
 
 	man->func = &ttm_range_manager_func;
 
-	ttm_resource_manager_init(man, p_size);
+	ttm_resource_manager_init(man, bdev, p_size);
 
 	drm_mm_init(&rman->mm, 0, p_size);
 	spin_lock_init(&rman->lock);

drivers/gpu/drm/ttm/ttm_resource.c

@@ -143,16 +143,19 @@ EXPORT_SYMBOL(ttm_resource_compat);
  * ttm_resource_manager_init
  *
  * @man: memory manager object to init
+ * @bdev: ttm device this manager belongs to
  * @p_size: size managed area in pages.
  *
  * Initialise core parts of a manager object.
  */
 void ttm_resource_manager_init(struct ttm_resource_manager *man,
+			       struct ttm_device *bdev,
 			       unsigned long p_size)
 {
 	unsigned i;
 
 	spin_lock_init(&man->move_lock);
+	man->bdev = bdev;
 	man->size = p_size;
 
 	for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i)

drivers/gpu/drm/ttm/ttm_sys_manager.c

@@ -43,7 +43,7 @@ void ttm_sys_man_init(struct ttm_device *bdev)
 	man->use_tt = true;
 	man->func = &ttm_sys_manager_func;
 
-	ttm_resource_manager_init(man, 0);
+	ttm_resource_manager_init(man, bdev, 0);
 	ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, man);
 	ttm_resource_manager_set_used(man, true);
 }

drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c

@@ -162,7 +162,7 @@ int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type)
 
 	man->func = &vmw_gmrid_manager_func;
 	man->use_tt = true;
-	ttm_resource_manager_init(man, 0);
+	ttm_resource_manager_init(man, &dev_priv->bdev, 0);
 	spin_lock_init(&gman->lock);
 	gman->used_gmr_pages = 0;
 	ida_init(&gman->gmr_ida);

drivers/gpu/drm/vmwgfx/vmwgfx_system_manager.c

@@ -70,7 +70,7 @@ int vmw_sys_man_init(struct vmw_private *dev_priv)
 	man->use_tt = true;
 	man->func = &vmw_sys_manager_func;
 
-	ttm_resource_manager_init(man, 0);
+	ttm_resource_manager_init(man, bdev, 0);
 	ttm_set_driver_manager(bdev, VMW_PL_SYSTEM, man);
 	ttm_resource_manager_set_used(man, true);
 	return 0;

include/drm/ttm/ttm_resource.h

@@ -105,11 +105,11 @@ struct ttm_resource_manager_func {
  * @use_type: The memory type is enabled.
  * @use_tt: If a TT object should be used for the backing store.
  * @size: Size of the managed region.
+ * @bdev: ttm device this manager belongs to
  * @func: structure pointer implementing the range manager. See above
  * @move_lock: lock for move fence
- * static information. bdev::driver::io_mem_free is never used.
- * @lru: The lru list for this memory type.
  * @move: The fence of the last pipelined move operation.
+ * @lru: The lru list for this memory type.
  *
  * This structure is used to identify and manage memory types for a device.
  */
@@ -119,20 +119,21 @@ struct ttm_resource_manager {
 	 */
 	bool use_type;
 	bool use_tt;
+	struct ttm_device *bdev;
 	uint64_t size;
 	const struct ttm_resource_manager_func *func;
 	spinlock_t move_lock;
 
 	/*
-	 * Protected by the global->lru_lock.
+	 * Protected by @move_lock.
 	 */
-
-	struct list_head lru[TTM_MAX_BO_PRIORITY];
+	struct dma_fence *move;
 
 	/*
-	 * Protected by @move_lock.
+	 * Protected by the global->lru_lock.
 	 */
-	struct dma_fence *move;
+
+	struct list_head lru[TTM_MAX_BO_PRIORITY];
 };
 
 /**
@@ -272,6 +273,7 @@ bool ttm_resource_compat(struct ttm_resource *res,
 			 struct ttm_placement *placement);
 
 void ttm_resource_manager_init(struct ttm_resource_manager *man,
+			       struct ttm_device *bdev,
 			       unsigned long p_size);
 
 int ttm_resource_manager_evict_all(struct ttm_device *bdev,