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

Andi Shyti andi.shyti at linux.intel.com
Fri May 17 19:34:32 UTC 2024


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


More information about the dri-devel mailing list