media: cx23885: reset DMA on AMD Renior/Cezanne IOMMU due to RiSC engine stall
authorDaniel Lee Kruse <daniel.lee.kruse@proton.me>
Fri, 19 Aug 2022 03:59:18 +0000 (05:59 +0200)
committerMauro Carvalho Chehab <mchehab@kernel.org>
Tue, 30 Aug 2022 05:35:21 +0000 (07:35 +0200)
commita7985e3cecd56d0f553487ac12fe4f65962c4b34
treee39ee1a16952381585c26c6a61741aaad70ea82b
parent17611d3fb4a11ec500c49cb952faf09e114a5a10
media: cx23885: reset DMA on AMD Renior/Cezanne IOMMU due to RiSC engine stall

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