[PATCH v2] drm/i915: Increase FLR timeout from 3s to 9s

Andi Shyti andi.shyti at linux.intel.com
Mon May 27 10:47:49 UTC 2024


On Fri, May 24, 2024 at 10:07:44AM -0400, Rodrigo Vivi wrote:
> On Fri, May 24, 2024 at 01:58:53AM +0200, Andi Shyti wrote:
> > Following the guidelines it takes 3 seconds to perform an FLR
> > reset. Let's give it a bit more slack because this time can
> > change depending on the platform and on the firmware
> 
> But did we see any issue with that?

yes, we have some FLR expiration timeouts that apparently are not
able to bring up the device and the memory is not accessible
anymore. It's worth giving it a bit more time.

> if that changes per platform and per firmware, shouldn't it all
> be explicit in the spec as well?

Is it always documented? We might anyway die after the FLR reset
failure, so that I see it quite safe to wait and pray a little
more.

Andi


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