]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commit00350885c474b9b3cd3d5e481d6c588f423bba17
treee39ee1a16952381585c26c6a61741aaad70ea82b
parent5ea91457a1f27828f47f4b042196c7c358503517
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