Re: [PATCH v3 2/2] drm/xe/vf: Reset recovery_queued after issuing RESFIX_START

[Michal Wajdeczko <michal.wajdeczko@intel.com>]

On 12/10/2025 6:25 AM, Satyanarayana K V P wrote:
> During VF_RESTORE or VF_RESUME, the GuC sends a migration interrupt and
> clears the RESFIX_START marker. If migration or resume occurs before the
> VF issues its own RESFIX_START, VF KMD may receive two back-to-back
> migration interrupts. VF then sends RESFIX_START to indicate the beginning
> of fixups and RESFIX_DONE to mark completion. However, the second
> RESFIX_START fails because the GuC is already in the RUNNING state.
> 
> Clear the recovery_queued flag after sending a RESFIX_START message to
> ignore duplicated IRQs seen before we start actual recovery.
> 
> This ensures the state is reset only after the fixup process begins,
> avoiding redundant work item queuing.
> 
> Fixes: b5fbb94341a2 ("drm/xe/vf: Introduce RESFIX start marker support")
> Signed-off-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Matthew Brost <matthew.brost@intel.com>
> Cc: Tomasz Lis <tomasz.lis@intel.com>

Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>