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drm/xen-front: Pass dumb buffer data offset to the backend

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While importing a dmabuf it is possible that the data of the buffer
is put with offset which is indicated by the SGT offset.
Respect the offset value and forward it to the backend.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Oleksandr Andrushchenko
2020-08-13 14:00:38 +02:00
committed by Juergen Gross
parent 6f92337b6b
commit 585c6ed738
3 changed files with 7 additions and 4 deletions
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3
drivers/gpu/drm/xen/xen_drm_front_gem.c
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@@ -210,7 +210,8 @@ xen_drm_front_gem_import_sg_table(struct drm_device *dev,
ret = xen_drm_front_dbuf_create(drm_info->front_info,
xen_drm_front_dbuf_to_cookie(&xen_obj->base),
0, 0, 0, size, xen_obj->pages);
0, 0, 0, size, sgt->sgl->offset,
xen_obj->pages);
if (ret < 0)
return ERR_PTR(ret);