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accel/amdxdna: Disable device buffer exporting

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Device buffers are never intended to be exported. Disable exporting
support explicitly.

Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20260526185058.1780869-1-lizhi.hou@amd.com
This commit is contained in:
Lizhi Hou 2026-05-26 11:50:58 -07:00
parent 61de054a77
commit 9480dd7ec3
1 changed files with 6 additions and 0 deletions
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6
drivers/accel/amdxdna/amdxdna_gem.c
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@ -728,9 +728,15 @@ static int amdxdna_gem_dev_obj_vmap(struct drm_gem_object *obj, struct iosys_map
return 0;
}
static struct dma_buf *amdxdna_gem_dev_obj_export(struct drm_gem_object *gobj, int flags)
{
return ERR_PTR(-EOPNOTSUPP);
}
static const struct drm_gem_object_funcs amdxdna_gem_dev_obj_funcs = {
.free = amdxdna_gem_dev_obj_free,
.vmap = amdxdna_gem_dev_obj_vmap,
.export = amdxdna_gem_dev_obj_export,
};
static const struct drm_gem_object_funcs amdxdna_gem_shmem_funcs = {