3f268ef06f
It is simply a lot cleaner to have this around instead of adding the device throughout the call chain. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20220124122514.1832-3-christian.koenig@amd.com
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
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#include <drm/ttm/ttm_resource.h>
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#include <drm/ttm/ttm_device.h>
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#include <drm/ttm/ttm_placement.h>
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#include <linux/slab.h>
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#include "ttm_module.h"
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static int ttm_sys_man_alloc(struct ttm_resource_manager *man,
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struct ttm_buffer_object *bo,
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const struct ttm_place *place,
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struct ttm_resource **res)
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{
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*res = kzalloc(sizeof(**res), GFP_KERNEL);
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if (!*res)
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return -ENOMEM;
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ttm_resource_init(bo, place, *res);
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return 0;
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}
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static void ttm_sys_man_free(struct ttm_resource_manager *man,
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struct ttm_resource *res)
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{
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ttm_resource_fini(man, res);
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kfree(res);
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}
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static const struct ttm_resource_manager_func ttm_sys_manager_func = {
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.alloc = ttm_sys_man_alloc,
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.free = ttm_sys_man_free,
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};
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void ttm_sys_man_init(struct ttm_device *bdev)
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{
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struct ttm_resource_manager *man = &bdev->sysman;
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/*
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* Initialize the system memory buffer type.
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* Other types need to be driver / IOCTL initialized.
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*/
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man->use_tt = true;
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man->func = &ttm_sys_manager_func;
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ttm_resource_manager_init(man, bdev, 0);
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ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, man);
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ttm_resource_manager_set_used(man, true);
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}
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