[PATCH 1/5] drm/amdgpu: nuke amdgpu_ttm_is_bound() v2

Chunming Zhou zhoucm1 at amd.com
Mon Oct 30 02:57:40 UTC 2017



On 2017年10月27日 22:43, Christian König wrote:
> From: Christian König <christian.koenig at amd.com>
>
> Rename amdgpu_gtt_mgr_is_allocated() to amdgpu_gtt_mgr_has_gart_addr() and use
> that instead.
>
> v2: rename the function as well.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>
Reviewed-by: Chunming Zhou <david1.zhou at amd.com>


> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c |  6 +++---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.c  |  2 +-
>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.h  |  2 +-
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c     | 24 +++++++++---------------
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h     |  3 +--
>   5 files changed, 15 insertions(+), 22 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
> index 33535d3..29c5c3e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
> @@ -85,13 +85,13 @@ static int amdgpu_gtt_mgr_fini(struct ttm_mem_type_manager *man)
>   }
>   
>   /**
> - * amdgpu_gtt_mgr_is_allocated - Check if mem has address space
> + * amdgpu_gtt_mgr_has_gart_addr - Check if mem has address space
>    *
>    * @mem: the mem object to check
>    *
>    * Check if a mem object has already address space allocated.
>    */
> -bool amdgpu_gtt_mgr_is_allocated(struct ttm_mem_reg *mem)
> +bool amdgpu_gtt_mgr_has_gart_addr(struct ttm_mem_reg *mem)
>   {
>   	struct drm_mm_node *node = mem->mm_node;
>   
> @@ -120,7 +120,7 @@ static int amdgpu_gtt_mgr_alloc(struct ttm_mem_type_manager *man,
>   	unsigned long fpfn, lpfn;
>   	int r;
>   
> -	if (amdgpu_gtt_mgr_is_allocated(mem))
> +	if (amdgpu_gtt_mgr_has_gart_addr(mem))
>   		return 0;
>   
>   	if (place)
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> index b3351dc21..e44b880 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> @@ -982,7 +982,7 @@ u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo)
>   {
>   	WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_SYSTEM);
>   	WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_TT &&
> -		     !amdgpu_ttm_is_bound(bo->tbo.ttm));
> +		     !amdgpu_gtt_mgr_has_gart_addr(&bo->tbo.mem));
>   	WARN_ON_ONCE(!ww_mutex_is_locked(&bo->tbo.resv->lock) &&
>   		     !bo->pin_count);
>   	WARN_ON_ONCE(bo->tbo.mem.start == AMDGPU_BO_INVALID_OFFSET);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> index 428aae04..33615e2 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> @@ -187,7 +187,7 @@ static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
>   static inline bool amdgpu_bo_gpu_accessible(struct amdgpu_bo *bo)
>   {
>   	switch (bo->tbo.mem.mem_type) {
> -	case TTM_PL_TT: return amdgpu_ttm_is_bound(bo->tbo.ttm);
> +	case TTM_PL_TT: return amdgpu_gtt_mgr_has_gart_addr(&bo->tbo.mem);
>   	case TTM_PL_VRAM: return true;
>   	default: return false;
>   	}
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> index 52cab7a..632bfe3 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> @@ -282,8 +282,7 @@ static uint64_t amdgpu_mm_node_addr(struct ttm_buffer_object *bo,
>   {
>   	uint64_t addr = 0;
>   
> -	if (mem->mem_type != TTM_PL_TT ||
> -	    amdgpu_gtt_mgr_is_allocated(mem)) {
> +	if (mem->mem_type != TTM_PL_TT || amdgpu_gtt_mgr_has_gart_addr(mem)) {
>   		addr = mm_node->start << PAGE_SHIFT;
>   		addr += bo->bdev->man[mem->mem_type].gpu_offset;
>   	}
> @@ -369,7 +368,7 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
>   		 * dst to window 1
>   		 */
>   		if (src->mem->mem_type == TTM_PL_TT &&
> -		    !amdgpu_gtt_mgr_is_allocated(src->mem)) {
> +		    !amdgpu_gtt_mgr_has_gart_addr(src->mem)) {
>   			r = amdgpu_map_buffer(src->bo, src->mem,
>   					PFN_UP(cur_size + src_page_offset),
>   					src_node_start, 0, ring,
> @@ -383,7 +382,7 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
>   		}
>   
>   		if (dst->mem->mem_type == TTM_PL_TT &&
> -		    !amdgpu_gtt_mgr_is_allocated(dst->mem)) {
> +		    !amdgpu_gtt_mgr_has_gart_addr(dst->mem)) {
>   			r = amdgpu_map_buffer(dst->bo, dst->mem,
>   					PFN_UP(cur_size + dst_page_offset),
>   					dst_node_start, 1, ring,
> @@ -861,8 +860,10 @@ static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm,
>   	    bo_mem->mem_type == AMDGPU_PL_OA)
>   		return -EINVAL;
>   
> -	if (!amdgpu_gtt_mgr_is_allocated(bo_mem))
> +	if (!amdgpu_gtt_mgr_has_gart_addr(bo_mem)) {
> +		gtt->offset = AMDGPU_BO_INVALID_OFFSET;
>   		return 0;
> +	}
>   
>   	spin_lock(&gtt->adev->gtt_list_lock);
>   	flags = amdgpu_ttm_tt_pte_flags(gtt->adev, ttm, bo_mem);
> @@ -882,24 +883,17 @@ static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm,
>   	return r;
>   }
>   
> -bool amdgpu_ttm_is_bound(struct ttm_tt *ttm)
> -{
> -	struct amdgpu_ttm_tt *gtt = (void *)ttm;
> -
> -	return gtt && !list_empty(&gtt->list);
> -}
> -
>   int amdgpu_ttm_bind(struct ttm_buffer_object *bo)
>   {
>   	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);
> -	struct ttm_tt *ttm = bo->ttm;
>   	struct ttm_mem_reg tmp;
>   
>   	struct ttm_placement placement;
>   	struct ttm_place placements;
>   	int r;
>   
> -	if (!ttm || amdgpu_ttm_is_bound(ttm))
> +	if (bo->mem.mem_type != TTM_PL_TT ||
> +	    amdgpu_gtt_mgr_has_gart_addr(&bo->mem))
>   		return 0;
>   
>   	tmp = bo->mem;
> @@ -960,7 +954,7 @@ static int amdgpu_ttm_backend_unbind(struct ttm_tt *ttm)
>   	if (gtt->userptr)
>   		amdgpu_ttm_tt_unpin_userptr(ttm);
>   
> -	if (!amdgpu_ttm_is_bound(ttm))
> +	if (gtt->offset == AMDGPU_BO_INVALID_OFFSET)
>   		return 0;
>   
>   	/* unbind shouldn't be done for GDS/GWS/OA in ttm_bo_clean_mm */
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
> index 0108a59..016d2af 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
> @@ -67,7 +67,7 @@ struct amdgpu_copy_mem {
>   extern const struct ttm_mem_type_manager_func amdgpu_gtt_mgr_func;
>   extern const struct ttm_mem_type_manager_func amdgpu_vram_mgr_func;
>   
> -bool amdgpu_gtt_mgr_is_allocated(struct ttm_mem_reg *mem);
> +bool amdgpu_gtt_mgr_has_gart_addr(struct ttm_mem_reg *mem);
>   uint64_t amdgpu_gtt_mgr_usage(struct ttm_mem_type_manager *man);
>   
>   uint64_t amdgpu_vram_mgr_usage(struct ttm_mem_type_manager *man);
> @@ -90,7 +90,6 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo,
>   			struct dma_fence **fence);
>   
>   int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma);
> -bool amdgpu_ttm_is_bound(struct ttm_tt *ttm);
>   int amdgpu_ttm_bind(struct ttm_buffer_object *bo);
>   int amdgpu_ttm_recover_gart(struct amdgpu_device *adev);
>   



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