[PATCH v13 4/5] drm/amdgpu: move vram inline functions into a header

[Christian König]

Am 21.02.22 um 17:45 schrieb Arunpravin:
> Move shared vram inline functions and structs
> into a header file
>
> Signed-off-by: Arunpravin <Arunpravin.PaneerSelvam at amd.com>

Patches #1-#3 haven been pushed to drm-misc-next.

For this one it might be better to squash that into commit #5 as well 
since this is otherwise unused.

Might be a good idea to move the vram_mgr structur and function from 
amdgpu_ttm.h over to this file as well.

Regards,
Christian.

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h | 51 ++++++++++++++++++++
>   1 file changed, 51 insertions(+)
>   create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h
> new file mode 100644
> index 000000000000..59983464cce5
> --- /dev/null
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h
> @@ -0,0 +1,51 @@
> +/* SPDX-License-Identifier: MIT
> + * Copyright 2021 Advanced Micro Devices, Inc.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be included in
> + * all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
> + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + * OTHER DEALINGS IN THE SOFTWARE.
> + *
> + */
> +
> +#ifndef __AMDGPU_VRAM_MGR_H__
> +#define __AMDGPU_VRAM_MGR_H__
> +
> +#include <drm/drm_buddy.h>
> +
> +struct amdgpu_vram_mgr_node {
> +	struct ttm_resource base;
> +	struct list_head blocks;
> +	unsigned long flags;
> +};
> +
> +static inline u64 amdgpu_node_start(struct drm_buddy_block *block)
> +{
> +	return drm_buddy_block_offset(block);
> +}
> +
> +static inline u64 amdgpu_node_size(struct drm_buddy_block *block)
> +{
> +	return PAGE_SIZE << drm_buddy_block_order(block);
> +}
> +
> +static inline struct amdgpu_vram_mgr_node *
> +to_amdgpu_vram_mgr_node(struct ttm_resource *res)
> +{
> +	return container_of(res, struct amdgpu_vram_mgr_node, base);
> +}
> +
> +#endif