github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-04 12:35:52 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/xe: Ignore GGTT TLB inval errors during GT reset

Browse Source 
During GT reset, GGTT TLB invalidations may fail. This is acceptable
as the reset will clear GGTT caches. Suppress only -ECANCELED other
return codes are still unexpected error.

v2: Add code comment(Matt).

Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/3389
Suggested-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241112170123.1236443-1-nirmoy.das@intel.com
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
This commit is contained in:
Nirmoy Das 2024-11-12 18:01:23 +01:00
parent 9d42476f71
commit 68634b12d7
1 changed files with 11 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
View File

@ -253,9 +253,18 @@ static int xe_gt_tlb_invalidation_guc(struct xe_gt *gt,
0, /* seqno, replaced in send_tlb_invalidation */
MAKE_INVAL_OP(XE_GUC_TLB_INVAL_GUC),
};
int ret;
return send_tlb_invalidation(&gt->uc.guc, fence, action,
ARRAY_SIZE(action));
ret = send_tlb_invalidation(&gt->uc.guc, fence, action,
ARRAY_SIZE(action));
/*
* -ECANCELED indicates the CT is stopped for a GT reset. TLB caches
* should be nuked on a GT reset so this error can be ignored.
*/
if (ret == -ECANCELED)
return 0;
return ret;
}
/**