commit | a7f6da6e758cd99fcae918b63549273893983189 | [log] [tgz] |
---|---|---|
author | Alexandre Courbot <acourbot@nvidia.com> | Fri Feb 20 18:23:04 2015 +0900 |
committer | Ben Skeggs <bskeggs@redhat.com> | Tue Apr 14 17:00:45 2015 +1000 |
tree | 2aa072dd29a1f6272749eff16f462c35a9e6cb37 | |
parent | 58fd9375c2c5344e8ab6ef9971635bc59cd39658 [diff] |
drm/nouveau/instmem/gk20a: add IOMMU support Let GK20A's instmem take advantage of the IOMMU if it is present. Having an IOMMU means that instmem is no longer allocated using the DMA API, but instead obtained through page_alloc and made contiguous to the GPU by IOMMU mappings. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>