My guess is that .../drivers/media/pci/cx23885/cx23885-core.c is important and maybe my IOMMU, but I don't feel competent to patch the code myself. Nor am I certain that "15d1" is the magic number for Raven Ridge APUs.
psd@myth:~$ lspci -s 0:00.2 00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Device 15d1
My guess is that media/pci/ cx23885/ cx23885- core.c
.../drivers/
is important and maybe my IOMMU, but I don't feel competent to patch the code myself. Nor am I certain that "15d1" is the magic number for Raven Ridge APUs.
psd@myth:~$ lspci -s 0:00.2
00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Device 15d1