[PATCH 9/9] drm/ttm: remove the init_mem_type callback

Alex Deucher alexdeucher at gmail.com
Thu Jul 23 20:31:02 UTC 2020


On Thu, Jul 23, 2020 at 11:17 AM Christian König
<ckoenig.leichtzumerken at gmail.com> wrote:
>
> It is a very strange concept to call a function which just
> calls back the caller for the functions parameters.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>

Series is:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c    | 7 -------
>  drivers/gpu/drm/drm_gem_vram_helper.c      | 7 -------
>  drivers/gpu/drm/nouveau/nouveau_bo.c       | 8 --------
>  drivers/gpu/drm/qxl/qxl_ttm.c              | 7 -------
>  drivers/gpu/drm/radeon/radeon_ttm.c        | 7 -------
>  drivers/gpu/drm/ttm/ttm_bo.c               | 4 ----
>  drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 7 -------
>  include/drm/ttm/ttm_bo_driver.h            | 6 ------
>  8 files changed, 53 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> index 98a77fc4a90c..da6434ea07f1 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> @@ -62,12 +62,6 @@
>
>  #define AMDGPU_TTM_VRAM_MAX_DW_READ    (size_t)128
>
> -static int amdgpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
> -                               struct ttm_mem_type_manager *man)
> -{
> -       return 0;
> -}
> -
>  static int amdgpu_ttm_init_vram(struct amdgpu_device *adev)
>  {
>
> @@ -1727,7 +1721,6 @@ static struct ttm_bo_driver amdgpu_bo_driver = {
>         .ttm_tt_create = &amdgpu_ttm_tt_create,
>         .ttm_tt_populate = &amdgpu_ttm_tt_populate,
>         .ttm_tt_unpopulate = &amdgpu_ttm_tt_unpopulate,
> -       .init_mem_type = &amdgpu_init_mem_type,
>         .eviction_valuable = amdgpu_ttm_bo_eviction_valuable,
>         .evict_flags = &amdgpu_evict_flags,
>         .move = &amdgpu_bo_move,
> diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
> index f7f93a49cd7f..5f03c6137ef9 100644
> --- a/drivers/gpu/drm/drm_gem_vram_helper.c
> +++ b/drivers/gpu/drm/drm_gem_vram_helper.c
> @@ -1004,12 +1004,6 @@ static struct ttm_tt *bo_driver_ttm_tt_create(struct ttm_buffer_object *bo,
>         return NULL;
>  }
>
> -static int bo_driver_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
> -                                  struct ttm_mem_type_manager *man)
> -{
> -       return 0;
> -}
> -
>  static void bo_driver_evict_flags(struct ttm_buffer_object *bo,
>                                   struct ttm_placement *placement)
>  {
> @@ -1069,7 +1063,6 @@ static struct ttm_bo_driver bo_driver = {
>         .ttm_tt_create = bo_driver_ttm_tt_create,
>         .ttm_tt_populate = ttm_pool_populate,
>         .ttm_tt_unpopulate = ttm_pool_unpopulate,
> -       .init_mem_type = bo_driver_init_mem_type,
>         .eviction_valuable = ttm_bo_eviction_valuable,
>         .evict_flags = bo_driver_evict_flags,
>         .move_notify = bo_driver_move_notify,
> diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
> index 23ef9b1aaabc..5efc572c14cc 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_bo.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
> @@ -646,13 +646,6 @@ nouveau_ttm_tt_create(struct ttm_buffer_object *bo, uint32_t page_flags)
>         return nouveau_sgdma_create_ttm(bo, page_flags);
>  }
>
> -static int
> -nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
> -                        struct ttm_mem_type_manager *man)
> -{
> -       return 0;
> -}
> -
>  static void
>  nouveau_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl)
>  {
> @@ -1643,7 +1636,6 @@ struct ttm_bo_driver nouveau_bo_driver = {
>         .ttm_tt_create = &nouveau_ttm_tt_create,
>         .ttm_tt_populate = &nouveau_ttm_tt_populate,
>         .ttm_tt_unpopulate = &nouveau_ttm_tt_unpopulate,
> -       .init_mem_type = nouveau_bo_init_mem_type,
>         .eviction_valuable = ttm_bo_eviction_valuable,
>         .evict_flags = nouveau_bo_evict_flags,
>         .move_notify = nouveau_bo_move_ntfy,
> diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
> index 852089d7f783..32069e4799f3 100644
> --- a/drivers/gpu/drm/qxl/qxl_ttm.c
> +++ b/drivers/gpu/drm/qxl/qxl_ttm.c
> @@ -48,12 +48,6 @@ static struct qxl_device *qxl_get_qdev(struct ttm_bo_device *bdev)
>         return qdev;
>  }
>
> -static int qxl_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
> -                            struct ttm_mem_type_manager *man)
> -{
> -       return 0;
> -}
> -
>  static void qxl_evict_flags(struct ttm_buffer_object *bo,
>                                 struct ttm_placement *placement)
>  {
> @@ -215,7 +209,6 @@ static void qxl_bo_move_notify(struct ttm_buffer_object *bo,
>
>  static struct ttm_bo_driver qxl_bo_driver = {
>         .ttm_tt_create = &qxl_ttm_tt_create,
> -       .init_mem_type = &qxl_init_mem_type,
>         .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 b0b59c553785..f499d02917ac 100644
> --- a/drivers/gpu/drm/radeon/radeon_ttm.c
> +++ b/drivers/gpu/drm/radeon/radeon_ttm.c
> @@ -66,12 +66,6 @@ struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev)
>         return rdev;
>  }
>
> -static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
> -                               struct ttm_mem_type_manager *man)
> -{
> -       return 0;
> -}
> -
>  static int radeon_ttm_init_vram(struct radeon_device *rdev)
>  {
>         struct ttm_mem_type_manager *man = &rdev->mman.bdev.man[TTM_PL_VRAM];
> @@ -753,7 +747,6 @@ static struct ttm_bo_driver radeon_bo_driver = {
>         .ttm_tt_create = &radeon_ttm_tt_create,
>         .ttm_tt_populate = &radeon_ttm_tt_populate,
>         .ttm_tt_unpopulate = &radeon_ttm_tt_unpopulate,
> -       .init_mem_type = &radeon_init_mem_type,
>         .eviction_valuable = ttm_bo_eviction_valuable,
>         .evict_flags = &radeon_evict_flags,
>         .move = &radeon_bo_move,
> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
> index 6dea56dce350..2a6d8ed6dd86 100644
> --- a/drivers/gpu/drm/ttm/ttm_bo.c
> +++ b/drivers/gpu/drm/ttm/ttm_bo.c
> @@ -1527,10 +1527,6 @@ int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type,
>         mutex_init(&man->io_reserve_mutex);
>         spin_lock_init(&man->move_lock);
>         INIT_LIST_HEAD(&man->io_reserve_lru);
> -
> -       ret = bdev->driver->init_mem_type(bdev, type, man);
> -       if (ret)
> -               return ret;
>         man->bdev = bdev;
>
>         if (type != TTM_PL_SYSTEM) {
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
> index db4b2e2e4edb..0e2897895327 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
> @@ -736,12 +736,6 @@ static struct ttm_tt *vmw_ttm_tt_create(struct ttm_buffer_object *bo,
>         return NULL;
>  }
>
> -static int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
> -                     struct ttm_mem_type_manager *man)
> -{
> -       return 0;
> -}
> -
>  static void vmw_evict_flags(struct ttm_buffer_object *bo,
>                      struct ttm_placement *placement)
>  {
> @@ -817,7 +811,6 @@ struct ttm_bo_driver vmw_bo_driver = {
>         .ttm_tt_create = &vmw_ttm_tt_create,
>         .ttm_tt_populate = &vmw_ttm_populate,
>         .ttm_tt_unpopulate = &vmw_ttm_unpopulate,
> -       .init_mem_type = vmw_init_mem_type,
>         .eviction_valuable = ttm_bo_eviction_valuable,
>         .evict_flags = vmw_evict_flags,
>         .move = NULL,
> diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
> index adac4cd0ba23..f76f1332fdc5 100644
> --- a/include/drm/ttm/ttm_bo_driver.h
> +++ b/include/drm/ttm/ttm_bo_driver.h
> @@ -157,7 +157,6 @@ struct ttm_mem_type_manager_func {
>   * @move: The fence of the last pipelined move operation.
>   *
>   * This structure is used to identify and manage memory types for a device.
> - * It's set up by the ttm_bo_driver::init_mem_type method.
>   */
>
>
> @@ -203,8 +202,6 @@ struct ttm_mem_type_manager {
>   * struct ttm_bo_driver
>   *
>   * @create_ttm_backend_entry: Callback to create a struct ttm_backend.
> - * @init_mem_type: Callback to initialize a struct ttm_mem_type_manager
> - * structure.
>   * @evict_flags: Callback to obtain placement flags when a buffer is evicted.
>   * @move: Callback for a driver to hook in accelerated functions to
>   * move a buffer.
> @@ -247,9 +244,6 @@ struct ttm_bo_driver {
>          */
>         void (*ttm_tt_unpopulate)(struct ttm_tt *ttm);
>
> -       int (*init_mem_type)(struct ttm_bo_device *bdev, uint32_t type,
> -                            struct ttm_mem_type_manager *man);
> -
>         /**
>          * struct ttm_bo_driver member eviction_valuable
>          *
> --
> 2.17.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel


More information about the dri-devel mailing list