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| author | Yu Zhao <yuzhao@google.com> | 2018-12-04 15:42:52 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-12-06 12:53:04 +0000 |
| commit | d6d08273996b3363178b920ccfa74acabaf67963 (patch) | |
| tree | db0aa557c36a9b2ab3b262a0d2bb9462b27cf012 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 20f2ab247d3b787af91c1aa5eb27c5061744c154 (diff) | |
ASoC: use DMA addr rather than CPU pa for acp_audio_dma
We shouldn't assume CPU physical address we get from page_to_phys()
is same as DMA address we get from dma_alloc_coherent(). On x86_64,
we won't run into any problem with the assumption when dma_ops is
nommu_dma_ops. However, DMA address is IOVA when IOMMU is enabled.
And it's most likely different from CPU physical address when AMD
IOMMU is not in passthrough mode.
Signed-off-by: Yu Zhao <yuzhao@google.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions