Re: [PATCH 4/7] drm/ttm: drop unbind callback.

[Christian König <christian.koenig@xxxxxxx>]

Am 20.10.20 um 03:03 schrieb Dave Airlie:
> From: Dave Airlie <airlied@xxxxxxxxxx>
>
> The drivers now control this, so drop unbinding.
>
> Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c    |  1 -
>   drivers/gpu/drm/nouveau/nouveau_bo.c       |  1 -
>   drivers/gpu/drm/qxl/qxl_ttm.c              |  7 -------
>   drivers/gpu/drm/radeon/radeon_ttm.c        |  1 -
>   drivers/gpu/drm/ttm/ttm_bo.c               |  5 -----
>   drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c |  1 -
>   include/drm/ttm/ttm_bo_driver.h            | 18 ------------------
>   7 files changed, 34 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> index fcec99aea019..ac93a537f2e2 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> @@ -1722,7 +1722,6 @@ static struct ttm_bo_driver amdgpu_bo_driver = {
>   	.ttm_tt_populate = &amdgpu_ttm_tt_populate,
>   	.ttm_tt_unpopulate = &amdgpu_ttm_tt_unpopulate,
>   	.ttm_tt_bind = &amdgpu_ttm_backend_bind,
> -	.ttm_tt_unbind = &amdgpu_ttm_backend_unbind,
>   	.ttm_tt_destroy = &amdgpu_ttm_backend_destroy,
>   	.eviction_valuable = amdgpu_ttm_bo_eviction_valuable,
>   	.evict_flags = &amdgpu_evict_flags,
> diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
> index c58c8951f72f..7fb65b87f815 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_bo.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
> @@ -1394,7 +1394,6 @@ struct ttm_bo_driver nouveau_bo_driver = {
>   	.ttm_tt_populate = &nouveau_ttm_tt_populate,
>   	.ttm_tt_unpopulate = &nouveau_ttm_tt_unpopulate,
>   	.ttm_tt_bind = &nouveau_ttm_tt_bind,
> -	.ttm_tt_unbind = &nouveau_ttm_tt_unbind,
>   	.ttm_tt_destroy = &nouveau_ttm_tt_destroy,
>   	.eviction_valuable = ttm_bo_eviction_valuable,
>   	.evict_flags = nouveau_bo_evict_flags,
> diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
> index e3ed20215f18..95c4f2c7ab79 100644
> --- a/drivers/gpu/drm/qxl/qxl_ttm.c
> +++ b/drivers/gpu/drm/qxl/qxl_ttm.c
> @@ -113,12 +113,6 @@ static int qxl_ttm_backend_bind(struct ttm_bo_device *bdev,
>   	return -1;
>   }
>   
> -static void qxl_ttm_backend_unbind(struct ttm_bo_device *bdev,
> -				   struct ttm_tt *ttm)
> -{
> -	/* Not implemented */
> -}
> -
>   static void qxl_ttm_backend_destroy(struct ttm_bo_device *bdev,
>   				    struct ttm_tt *ttm)
>   {
> @@ -180,7 +174,6 @@ static struct ttm_bo_driver qxl_bo_driver = {
>   	.ttm_tt_create = &qxl_ttm_tt_create,
>   	.ttm_tt_bind = &qxl_ttm_backend_bind,
>   	.ttm_tt_destroy = &qxl_ttm_backend_destroy,
> -	.ttm_tt_unbind = &qxl_ttm_backend_unbind,
>   	.eviction_valuable = ttm_bo_eviction_valuable,
>   	.evict_flags = &qxl_evict_flags,
>   	.move = &qxl_bo_move,
> diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
> index d3d39823b69f..7fe4a98ece54 100644
> --- a/drivers/gpu/drm/radeon/radeon_ttm.c
> +++ b/drivers/gpu/drm/radeon/radeon_ttm.c
> @@ -817,7 +817,6 @@ static struct ttm_bo_driver radeon_bo_driver = {
>   	.ttm_tt_populate = &radeon_ttm_tt_populate,
>   	.ttm_tt_unpopulate = &radeon_ttm_tt_unpopulate,
>   	.ttm_tt_bind = &radeon_ttm_tt_bind,
> -	.ttm_tt_unbind = &radeon_ttm_tt_unbind,
>   	.ttm_tt_destroy = &radeon_ttm_tt_destroy,
>   	.eviction_valuable = ttm_bo_eviction_valuable,
>   	.evict_flags = &radeon_evict_flags,
> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
> index 7602d7734d38..358d09ef852a 100644
> --- a/drivers/gpu/drm/ttm/ttm_bo.c
> +++ b/drivers/gpu/drm/ttm/ttm_bo.c
> @@ -1493,8 +1493,3 @@ int ttm_bo_tt_bind(struct ttm_buffer_object *bo, struct ttm_resource *mem)
>   {
>   	return bo->bdev->driver->ttm_tt_bind(bo->bdev, bo->ttm, mem);
>   }
> -
> -void ttm_bo_tt_unbind(struct ttm_buffer_object *bo)
> -{
> -	bo->bdev->driver->ttm_tt_unbind(bo->bdev, bo->ttm);
> -}
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
> index 1d220a9794e6..6e07ea982961 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
> @@ -760,7 +760,6 @@ struct ttm_bo_driver vmw_bo_driver = {
>   	.ttm_tt_populate = &vmw_ttm_populate,
>   	.ttm_tt_unpopulate = &vmw_ttm_unpopulate,
>   	.ttm_tt_bind = &vmw_ttm_bind,
> -	.ttm_tt_unbind = &vmw_ttm_unbind,
>   	.ttm_tt_destroy = &vmw_ttm_destroy,
>   	.eviction_valuable = ttm_bo_eviction_valuable,
>   	.evict_flags = vmw_evict_flags,
> diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
> index 81a1618b9535..fbbcf10670c1 100644
> --- a/include/drm/ttm/ttm_bo_driver.h
> +++ b/include/drm/ttm/ttm_bo_driver.h
> @@ -104,17 +104,6 @@ struct ttm_bo_driver {
>   	 */
>   	int (*ttm_tt_bind)(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_resource *bo_mem);
>   
> -	/**
> -	 * ttm_tt_unbind
> -	 *
> -	 * @bdev: Pointer to a ttm device
> -	 * @ttm: Pointer to a struct ttm_tt.
> -	 *
> -	 * Unbind previously bound backend pages. This function should be
> -	 * able to handle differences between aperture and system page sizes.
> -	 */
> -	void (*ttm_tt_unbind)(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
> -
>   	/**
>   	 * ttm_tt_destroy
>   	 *
> @@ -647,13 +636,6 @@ pgprot_t ttm_io_prot(struct ttm_buffer_object *bo, struct ttm_resource *res,
>    */
>   int ttm_bo_tt_bind(struct ttm_buffer_object *bo, struct ttm_resource *mem);
>   
> -/**
> - * ttm_bo_tt_bind
> - *
> - * Unbind the object tt from a memory resource.
> - */
> -void ttm_bo_tt_unbind(struct ttm_buffer_object *bo);
> -
>   /**
>    * ttm_bo_tt_destroy.
>    */

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