[RFC 0/2] drm/xe: Support PCIe FLR

Lucas De Marchi lucas.demarchi at intel.com
Wed Mar 20 22:25:16 UTC 2024


On Wed, Mar 20, 2024 at 04:14:24PM +0530, Aravind Iddamsetty wrote:
>PCI subsystem provides callbacks to inform the driver about a request to
>do function level reset by user, initiated by writing to sysfs entry
>/sys/bus/pci/devices/.../reset. This will allow the driver to handle FLR
>without the need to do unbind and rebind as the driver needs to
>reinitialize the device afresh post FLR.
>
>Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
>Cc: Lucas De Marchi <lucas.demarchi at intel.com>
>
>we get the below splat but the device has recovered, have executed an
>IGT post FLR.

ok, but that also means we we will need a few commits between patch 1
and 2 to get it in an acceptable state.

Lucas De Marchi


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