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UPSTREAM: drm/virtio: implement prime mmap

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Sync gem vm_node.start with ttm vm_node.start,
then we can just call drm_gem_prime_mmap().

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20190227144441.6755-2-kraxel@redhat.com
(cherry picked from commit c837da88c3)
Signed-off-by: Greg Hartman <ghartman@google.com>
BUG: 139386237
Change-Id: I7265df5080459372958f32b0086dc9af877a35f4
This commit is contained in:
Gerd Hoffmann
2019-02-27 15:44:39 +01:00
committed by Alistair Delva
parent 3a34c7001d
commit 9d1aee8d1d
1 changed files with 5 additions and 2 deletions
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7
drivers/gpu/drm/virtio/virtgpu_prime.c
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@@ -70,7 +70,10 @@ void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
}
int virtgpu_gem_prime_mmap(struct drm_gem_object *obj,
struct vm_area_struct *area)
struct vm_area_struct *vma)
{
return -ENODEV;
struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj);
bo->gem_base.vma_node.vm_node.start = bo->tbo.vma_node.vm_node.start;
return drm_gem_prime_mmap(obj, vma);
}