WSL2-Linux-Kernel/sound/soc/amd
Vijendar Mukunda 30c21734d8
ASoC: amd: acp3x: use dma address for acp3x dma driver
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.

This patch fixes page faults when IOMMU is enabled.

Signed-off-by: Vijendar Mukunda <vijendar.mukunda@amd.com>
Link: https://lore.kernel.org/r/1564753899-17124-2-git-send-email-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-08-02 19:04:43 +01:00
..
include ASoC: AMD : add ACP 2.2 register headers 2016-01-10 12:44:10 +00:00
raven ASoC: amd: acp3x: use dma address for acp3x dma driver 2019-08-02 19:04:43 +01:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
acp-da7219-max98357a.c ASoC: amd: acp-da7219-max98357a: use modern dai_link style 2019-06-06 21:37:45 +01:00
acp-pcm-dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
acp-rt5645.c ASoC: amd: acp-rt5645: use modern dai_link style 2019-06-06 21:38:04 +01:00
acp.h ASoC: use DMA addr rather than CPU pa for acp_audio_dma 2018-12-06 12:53:04 +00:00