Re: [PATCH 2/2] drm/i915: Don't treat FLR resets as errors

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Hi Nirmoy,

On Fri, May 17, 2024 at 04:00:02PM +0200, Nirmoy Das wrote:
> On 5/17/2024 1:25 PM, Andi Shyti wrote:
> > If we timeout while waiting for an FLR reset, there is nothing we
> > can do and i915 doesn't have any control on it. In any case the
> > system is still perfectly usable
> 
> If a FLR reset fails then we will have a dead GPU, I don't think the GPU is
> usable without a cold reboot.

fact is that the GPU keeps going and even though the timeout has
expired, the system moves to the next phase.

> This is a serious issue and should be report as an error.  I think we need
> to create a HW ticket to understand
> 
> why is FLR reset fails.

Maybe it takes longer and longer to reset. We've been sending
several patches in the latest years to fix the timings.

Andi



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