media: cx23885: reset DMA on AMD Renior/Cezanne IOMMU due to RiSC engine stall

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MythTv is unable to scan channels with APUs with the Renior IOMMU
that is also contained in the Cezanne line of APUs.  This issue
was discovered on the 5.15 version the kernel.  This patch adds
the IOMMU PCI ID to the broken_dev_id array.

This patch was developed with 5.19 of the media_tree repo.

[hverkuil: cleaned up the commit log a bit]

Signed-off-by: Daniel Lee Kruse <daniel.lee.kruse@proton.me>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

...

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Daniel Lee Kruse 2022-08-19 05:59:18 +02:00 • committed by Mauro Carvalho Chehab

parent 17611d3fb4

commit a7985e3cec

1 changed files with 3 additions and 0 deletions

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drivers/media/pci/cx23885/cx23885-core.c

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