| commit | e02d586da6405f8d401a90f5d19b90c3d7e2810b | [log] [tgz] |
|---|---|---|
| author | Alexandre Courbot <acourbot@nvidia.com> | Thu Mar 03 16:38:12 2016 +0900 |
| committer | Ben Skeggs <bskeggs@redhat.com> | Mon Mar 14 10:13:34 2016 +1000 |
| tree | d80f3a467335d5722c8af6f17bd812e5f4d15f9a | |
| parent | 1733a2ad36741b1812cf8b3f3037c28d0af53f50 [diff] |
drm/nouveau/instmem/gk20a: add write barrier when releasing DMA object When using the DMA-API for instmem, we may obtain a write-combined mapping. For such cases, add a write barrier in gk20a_instobj_release_dma() to make sure that all writes have reached memory at this time. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>