Commit 24687730 authored by Matthew Brost's avatar Matthew Brost
Browse files

drm/xe/vf: Reset TLB invalidations during VF post migration recovery 



TLB invalidations requests can be lost during VF post-migration
recovery. Since the VF has migrated, these invalidations are no longer
needed.

Reset the TLB invalidation frontend, which will signal all pending
fences.

v3:
 - Move TLB invalidation reset after pausing submission (Tomasz)
 - Adjust commit message (Michal)

Signed-off-by: default avatarMatthew Brost <matthew.brost@intel.com>
Reviewed-by: default avatarTomasz Lis <tomasz.lis@intel.com>
Link: https://lore.kernel.org/r/20251008214532.3442967-22-matthew.brost@intel.com
parent 3061e8e0

drivers/gpu/drm/xe/xe_gt_sriov_vf.c

+2 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ 
#include "xe_sriov.h"

#include "xe_sriov_vf.h"

#include "xe_tile_sriov_vf.h"

#include "xe_tlb_inval.h"

#include "xe_uc_fw.h"

#include "xe_wopcm.h"
@@ -1107,6 +1108,7 @@ static void vf_post_migration_shutdown(struct xe_gt *gt) 


	xe_guc_ct_flush_and_stop(&gt->uc.guc.ct);

	xe_guc_submit_pause(&gt->uc.guc);

	xe_tlb_inval_reset(&gt->tlb_inval);

}



static size_t post_migration_scratch_size(struct xe_device *xe)