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drm/nouveau/core: add nvkm_subdev_new_() for bare subdevs

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2020-02-11 17:34:58 +10:00
parent fa4f4c213f
commit f02ca8425a
2 changed files with 13 additions and 0 deletions
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2
drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
View File

@ -24,6 +24,8 @@ struct nvkm_subdev_func {
};
extern const char *nvkm_subdev_name[NVKM_SUBDEV_NR];
int nvkm_subdev_new_(const struct nvkm_subdev_func *, struct nvkm_device *,
int index, struct nvkm_subdev **);
void nvkm_subdev_ctor(const struct nvkm_subdev_func *, struct nvkm_device *,
int index, struct nvkm_subdev *);
void nvkm_subdev_del(struct nvkm_subdev **);

11
drivers/gpu/drm/nouveau/nvkm/core/subdev.c
View File

@ -221,3 +221,14 @@ nvkm_subdev_ctor(const struct nvkm_subdev_func *func,
__mutex_init(&subdev->mutex, name, &nvkm_subdev_lock_class[index]);
subdev->debug = nvkm_dbgopt(device->dbgopt, name);
}
int
nvkm_subdev_new_(const struct nvkm_subdev_func *func,
struct nvkm_device *device, int index,
struct nvkm_subdev **psubdev)
{
if (!(*psubdev = kzalloc(sizeof(**psubdev), GFP_KERNEL)))
return -ENOMEM;
nvkm_subdev_ctor(func, device, index, *psubdev);
return 0;
}