Re: [PATCH 8/8] drm/ttm: remove embedded vma_offset_manager

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Am 05.09.19 um 09:05 schrieb Gerd Hoffmann:
> No users left.  Drivers either setup vma_offset_manager themself
> (vmwgfx) or pass the gem vma_offset_manager to ttm_bo_device_init
> (all other drivers).
>
> Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>

Patches #4, #5 and #8 in this series are Reviewed-by: Christian König 
<christian.koenig@xxxxxxx>

I can't see the rest in my inbox anywhere. Have you send all of them to 
dri-devel?

Christian.

> ---
>   include/drm/ttm/ttm_bo_driver.h | 4 +---
>   drivers/gpu/drm/ttm/ttm_bo.c    | 9 ++-------
>   2 files changed, 3 insertions(+), 10 deletions(-)
>
> diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
> index e365434f92b3..4e307f65f497 100644
> --- a/include/drm/ttm/ttm_bo_driver.h
> +++ b/include/drm/ttm/ttm_bo_driver.h
> @@ -442,7 +442,6 @@ extern struct ttm_bo_global {
>    * @driver: Pointer to a struct ttm_bo_driver struct setup by the driver.
>    * @man: An array of mem_type_managers.
>    * @vma_manager: Address space manager (pointer)
> - * @_vma_manager: Address space manager (enbedded)
>    * lru_lock: Spinlock that protects the buffer+device lru lists and
>    * ddestroy lists.
>    * @dev_mapping: A pointer to the struct address_space representing the
> @@ -466,7 +465,6 @@ struct ttm_bo_device {
>   	 * Protected by internal locks.
>   	 */
>   	struct drm_vma_offset_manager *vma_manager;
> -	struct drm_vma_offset_manager _vma_manager;
>   
>   	/*
>   	 * Protected by the global:lru lock.
> @@ -587,7 +585,7 @@ int ttm_bo_device_release(struct ttm_bo_device *bdev);
>    * @glob: A pointer to an initialized struct ttm_bo_global.
>    * @driver: A pointer to a struct ttm_bo_driver set up by the caller.
>    * @mapping: The address space to use for this bo.
> - * @vma_manager: A pointer to a vma manager or NULL.
> + * @vma_manager: A pointer to a vma manager.
>    * @file_page_offset: Offset into the device address space that is available
>    * for buffer data. This ensures compatibility with other users of the
>    * address space.
> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
> index 8dc26babc5cb..881cf26d698e 100644
> --- a/drivers/gpu/drm/ttm/ttm_bo.c
> +++ b/drivers/gpu/drm/ttm/ttm_bo.c
> @@ -1704,8 +1704,6 @@ int ttm_bo_device_release(struct ttm_bo_device *bdev)
>   			pr_debug("Swap list %d was clean\n", i);
>   	spin_unlock(&glob->lru_lock);
>   
> -	drm_vma_offset_manager_destroy(&bdev->_vma_manager);
> -
>   	if (!ret)
>   		ttm_bo_global_release();
>   
> @@ -1722,8 +1720,8 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev,
>   	struct ttm_bo_global *glob = &ttm_bo_glob;
>   	int ret;
>   
> -	if (!vma_manager)
> -		vma_manager = &bdev->_vma_manager;
> +	if (WARN_ON(vma_manager == NULL))
> +		return -EINVAL;
>   
>   	ret = ttm_bo_global_init();
>   	if (ret)
> @@ -1742,9 +1740,6 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev,
>   		goto out_no_sys;
>   
>   	bdev->vma_manager = vma_manager;
> -	drm_vma_offset_manager_init(&bdev->_vma_manager,
> -				    DRM_FILE_PAGE_OFFSET_START,
> -				    DRM_FILE_PAGE_OFFSET_SIZE);
>   	INIT_DELAYED_WORK(&bdev->wq, ttm_bo_delayed_workqueue);
>   	INIT_LIST_HEAD(&bdev->ddestroy);
>   	bdev->dev_mapping = mapping;

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