Re: [PATCH 12/12] drm/amdgpu: drop amdgpu_gtt_node

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On Wed, Nov 24, 2021 at 08:44:30PM +0800, Christian König wrote:
> We have the BO pointer in the base structure now as well.
> 
> Signed-off-by: Christian König <christian.koenig@xxxxxxx>

Patch 7 -> Patch 12 are Reviewed-by: Huang Rui <ray.huang@xxxxxxx>

I need more time to read patch 5.

Thanks,
Ray

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | 49 ++++++++-------------
>  1 file changed, 18 insertions(+), 31 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
> index ce5eeb3c1097..a55bbe1a154c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
> @@ -26,23 +26,12 @@
>  
>  #include "amdgpu.h"
>  
> -struct amdgpu_gtt_node {
> -	struct ttm_buffer_object *tbo;
> -	struct ttm_range_mgr_node base;
> -};
> -
>  static inline struct amdgpu_gtt_mgr *
>  to_gtt_mgr(struct ttm_resource_manager *man)
>  {
>  	return container_of(man, struct amdgpu_gtt_mgr, manager);
>  }
>  
> -static inline struct amdgpu_gtt_node *
> -to_amdgpu_gtt_node(struct ttm_resource *res)
> -{
> -	return container_of(res, struct amdgpu_gtt_node, base.base);
> -}
> -
>  /**
>   * DOC: mem_info_gtt_total
>   *
> @@ -107,9 +96,9 @@ const struct attribute_group amdgpu_gtt_mgr_attr_group = {
>   */
>  bool amdgpu_gtt_mgr_has_gart_addr(struct ttm_resource *res)
>  {
> -	struct amdgpu_gtt_node *node = to_amdgpu_gtt_node(res);
> +	struct ttm_range_mgr_node *node = to_ttm_range_mgr_node(res);
>  
> -	return drm_mm_node_allocated(&node->base.mm_nodes[0]);
> +	return drm_mm_node_allocated(&node->mm_nodes[0]);
>  }
>  
>  /**
> @@ -129,15 +118,14 @@ static int amdgpu_gtt_mgr_new(struct ttm_resource_manager *man,
>  {
>  	struct amdgpu_gtt_mgr *mgr = to_gtt_mgr(man);
>  	uint32_t num_pages = PFN_UP(tbo->base.size);
> -	struct amdgpu_gtt_node *node;
> +	struct ttm_range_mgr_node *node;
>  	int r;
>  
> -	node = kzalloc(struct_size(node, base.mm_nodes, 1), GFP_KERNEL);
> +	node = kzalloc(struct_size(node, mm_nodes, 1), GFP_KERNEL);
>  	if (!node)
>  		return -ENOMEM;
>  
> -	node->tbo = tbo;
> -	ttm_resource_init(tbo, place, &node->base.base);
> +	ttm_resource_init(tbo, place, &node->base);
>  	if (!(place->flags & TTM_PL_FLAG_TEMPORARY) &&
>  	    ttm_resource_manager_usage(man) > man->size) {
>  		r = -ENOSPC;
> @@ -146,8 +134,7 @@ static int amdgpu_gtt_mgr_new(struct ttm_resource_manager *man,
>  
>  	if (place->lpfn) {
>  		spin_lock(&mgr->lock);
> -		r = drm_mm_insert_node_in_range(&mgr->mm,
> -						&node->base.mm_nodes[0],
> +		r = drm_mm_insert_node_in_range(&mgr->mm, &node->mm_nodes[0],
>  						num_pages, tbo->page_alignment,
>  						0, place->fpfn, place->lpfn,
>  						DRM_MM_INSERT_BEST);
> @@ -155,18 +142,18 @@ static int amdgpu_gtt_mgr_new(struct ttm_resource_manager *man,
>  		if (unlikely(r))
>  			goto err_free;
>  
> -		node->base.base.start = node->base.mm_nodes[0].start;
> +		node->base.start = node->mm_nodes[0].start;
>  	} else {
> -		node->base.mm_nodes[0].start = 0;
> -		node->base.mm_nodes[0].size = node->base.base.num_pages;
> -		node->base.base.start = AMDGPU_BO_INVALID_OFFSET;
> +		node->mm_nodes[0].start = 0;
> +		node->mm_nodes[0].size = node->base.num_pages;
> +		node->base.start = AMDGPU_BO_INVALID_OFFSET;
>  	}
>  
> -	*res = &node->base.base;
> +	*res = &node->base;
>  	return 0;
>  
>  err_free:
> -	ttm_resource_fini(man, &node->base.base);
> +	ttm_resource_fini(man, &node->base);
>  	kfree(node);
>  	return r;
>  }
> @@ -182,12 +169,12 @@ static int amdgpu_gtt_mgr_new(struct ttm_resource_manager *man,
>  static void amdgpu_gtt_mgr_del(struct ttm_resource_manager *man,
>  			       struct ttm_resource *res)
>  {
> -	struct amdgpu_gtt_node *node = to_amdgpu_gtt_node(res);
> +	struct ttm_range_mgr_node *node = to_ttm_range_mgr_node(res);
>  	struct amdgpu_gtt_mgr *mgr = to_gtt_mgr(man);
>  
>  	spin_lock(&mgr->lock);
> -	if (drm_mm_node_allocated(&node->base.mm_nodes[0]))
> -		drm_mm_remove_node(&node->base.mm_nodes[0]);
> +	if (drm_mm_node_allocated(&node->mm_nodes[0]))
> +		drm_mm_remove_node(&node->mm_nodes[0]);
>  	spin_unlock(&mgr->lock);
>  
>  	ttm_resource_fini(man, res);
> @@ -204,16 +191,16 @@ static void amdgpu_gtt_mgr_del(struct ttm_resource_manager *man,
>  int amdgpu_gtt_mgr_recover(struct ttm_resource_manager *man)
>  {
>  	struct amdgpu_gtt_mgr *mgr = to_gtt_mgr(man);
> +	struct ttm_range_mgr_node *node;
>  	struct amdgpu_device *adev;
> -	struct amdgpu_gtt_node *node;
>  	struct drm_mm_node *mm_node;
>  	int r = 0;
>  
>  	adev = container_of(mgr, typeof(*adev), mman.gtt_mgr);
>  	spin_lock(&mgr->lock);
>  	drm_mm_for_each_node(mm_node, &mgr->mm) {
> -		node = container_of(mm_node, typeof(*node), base.mm_nodes[0]);
> -		r = amdgpu_ttm_recover_gart(node->tbo);
> +		node = container_of(mm_node, typeof(*node), mm_nodes[0]);
> +		r = amdgpu_ttm_recover_gart(node->base.bo);
>  		if (r)
>  			break;
>  	}
> -- 
> 2.25.1
> 



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