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drm/xe: Add explicit abort page reclaim list

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PRLs could be invalidated to indicate its getting dropped from current
scope but are still valid. So standardize calls and add abort to clearly
define when an invalidation is a real abort and PRL should fallback.

v3:
 - Update abort function to macro. (Matthew B)

Signed-off-by: Brian Nguyen <brian3.nguyen@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260107010447.4125005-8-brian3.nguyen@intel.com
This commit is contained in:
Brian Nguyen
2026-01-07 09:04:50 +08:00
committed by Matthew Brost
parent 52cb4a595f
commit 7a0e86e3c9
2 changed files with 28 additions and 12 deletions
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21
drivers/gpu/drm/xe/xe_pt.c
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@@ -1618,10 +1618,9 @@ static int generate_reclaim_entry(struct xe_tile *tile,
} else if (is_2m_pte(xe_child)) {
reclamation_size = COMPUTE_RECLAIM_ADDRESS_MASK(SZ_2M); /* reclamation_size = 9 */
} else {
xe_page_reclaim_list_invalidate(prl);
vm_dbg(&tile_to_xe(tile)->drm,
"PRL invalidate: unsupported PTE level=%u pte=%#llx\n",
xe_child->level, pte);
xe_page_reclaim_list_abort(tile->primary_gt, prl,
"unsupported PTE level=%u pte=%#llx",
xe_child->level, pte);
return -EINVAL;
}
@@ -1670,10 +1669,9 @@ static int xe_pt_stage_unbind_entry(struct xe_ptw *parent, pgoff_t offset,
break;
} else {
/* overflow, mark as invalid */
xe_page_reclaim_list_invalidate(xe_walk->prl);
vm_dbg(&xe->drm,
"PRL invalidate: overflow while adding pte=%#llx",
pte);
xe_page_reclaim_list_abort(xe_walk->tile->primary_gt, xe_walk->prl,
"overflow while adding pte=%#llx",
pte);
break;
}
}
@@ -1682,10 +1680,9 @@ static int xe_pt_stage_unbind_entry(struct xe_ptw *parent, pgoff_t offset,
/* If aborting page walk early, invalidate PRL since PTE may be dropped from this abort */
if (xe_pt_check_kill(addr, next, level - 1, xe_child, action, walk) &&
xe_walk->prl && level > 1 && xe_child->base.children && xe_child->num_live != 0) {
xe_page_reclaim_list_invalidate(xe_walk->prl);
vm_dbg(&xe->drm,
"PRL invalidate: kill at level=%u addr=%#llx next=%#llx num_live=%u\n",
level, addr, next, xe_child->num_live);
xe_page_reclaim_list_abort(xe_walk->tile->primary_gt, xe_walk->prl,
"kill at level=%u addr=%#llx next=%#llx num_live=%u\n",
level, addr, next, xe_child->num_live);
}
return 0;