kernelconfig_penguin
CONFIG_8260_PCI9_IDMA4 is not available for the default architecture x86.
Result is shown for architecture powerpc
default or selected kernelversion does not have config value CONFIG_8260_PCI9_IDMA4.
Result is shown for kernelversion 5.6.17

IDMA4

configname: CONFIG_8260_PCI9_IDMA4

IDMA channel for PCI 9 workaround
└─> IDMA4