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

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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@xxxxxxxxx>
Cc: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>

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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