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nouveau: add interface to make buffer objects global 

This is useful for when GEM handles are exported and may be shared
between multiple buffer objects without going through other libdrm
interfaces.

Signed-off-by: Dor Askayo <dor.askayo@gmail.com>
Reviewed-by: Karol Herbst <git@karolherbst.de>
main
Dor Askayo 2023-08-12 22:29:30 +03:00 committed by Karol Herbst
parent 3bc3cca230
commit 18644eb64f
3 changed files with 13 additions and 3 deletions
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1
nouveau/nouveau-symbols.txt
View File

@ -1,3 +1,4 @@
nouveau_bo_make_global
nouveau_bo_map
nouveau_bo_name_get
nouveau_bo_name_ref

14
nouveau/nouveau.c
View File

@ -711,7 +711,7 @@ nouveau_bo_wrap_locked(struct nouveau_device *dev, uint32_t handle,
}
static void
nouveau_bo_make_global(struct nouveau_bo_priv *nvbo)
nouveau_nvbo_make_global(struct nouveau_bo_priv *nvbo)
{
if (!nvbo->head.next) {
struct nouveau_device_priv *nvdev = nouveau_device(nvbo->base.device);
@ -722,6 +722,14 @@ nouveau_bo_make_global(struct nouveau_bo_priv *nvbo)
}
}
drm_public void
nouveau_bo_make_global(struct nouveau_bo *bo)
{
struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
nouveau_nvbo_make_global(nvbo);
}
drm_public int
nouveau_bo_wrap(struct nouveau_device *dev, uint32_t handle,
struct nouveau_bo **pbo)
@ -780,7 +788,7 @@ nouveau_bo_name_get(struct nouveau_bo *bo, uint32_t *name)
}
nvbo->name = *name = req.name;
nouveau_bo_make_global(nvbo);
nouveau_nvbo_make_global(nvbo);
}
return 0;
}
@ -830,7 +838,7 @@ nouveau_bo_set_prime(struct nouveau_bo *bo, int *prime_fd)
if (ret)
return ret;
nouveau_bo_make_global(nvbo);
nouveau_nvbo_make_global(nvbo);
return 0;
}

1
nouveau/nouveau.h
View File

@ -137,6 +137,7 @@ struct nouveau_bo {
int nouveau_bo_new(struct nouveau_device *, uint32_t flags, uint32_t align,
uint64_t size, union nouveau_bo_config *,
struct nouveau_bo **);
void nouveau_bo_make_global(struct nouveau_bo *);
int nouveau_bo_wrap(struct nouveau_device *, uint32_t handle,
struct nouveau_bo **);
int nouveau_bo_name_ref(struct nouveau_device *v, uint32_t name,