diff options
author | Matthew Brost <matthew.brost@intel.com> | 2023-07-21 22:16:13 +0300 |
---|---|---|
committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2023-12-21 19:37:53 +0300 |
commit | 7ead33156483f5e7a699002f2480757aaa34ab08 (patch) | |
tree | 1ce51c61a3ab62316724f74f69137fdc43fb4c21 /drivers/gpu | |
parent | a4cc60a55fd9a6bb8b50375d404f317ac2030941 (diff) | |
download | linux-7ead33156483f5e7a699002f2480757aaa34ab08.tar.xz |
drm/xe: Use migrate engine for page fault binds
We must use migrate engine for page fault binds in order to avoid a
deadlock as the migrate engine has a reserved BCS instance which cannot
be stuck on a fault. To use the migrate engine the engine argument to
xe_migrate_update_pgtables must be NULL, this was incorrectly wired up
so vm->eng[tile_id] was always being used. Fix this.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/xe/xe_pt.c | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/xe/xe_vm.c | 3 |
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/xe/xe_pt.c b/drivers/gpu/drm/xe/xe_pt.c index b67144768af0..d2df51910010 100644 --- a/drivers/gpu/drm/xe/xe_pt.c +++ b/drivers/gpu/drm/xe/xe_pt.c @@ -1421,8 +1421,7 @@ __xe_pt_bind_vma(struct xe_tile *tile, struct xe_vma *vma, struct xe_engine *e, } fence = xe_migrate_update_pgtables(tile->migrate, - vm, xe_vma_bo(vma), - e ? e : vm->eng[tile->id], + vm, xe_vma_bo(vma), e, entries, num_entries, syncs, num_syncs, &bind_pt_update.base); diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index a07dc4f846b1..f3f6f01046a9 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -1675,7 +1675,8 @@ xe_vm_bind_vma(struct xe_vma *vma, struct xe_engine *e, if (!(vma->tile_mask & BIT(id))) goto next; - fence = __xe_pt_bind_vma(tile, vma, e, first_op ? syncs : NULL, + fence = __xe_pt_bind_vma(tile, vma, e ? e : vm->eng[id], + first_op ? syncs : NULL, first_op ? num_syncs : 0, vma->tile_present & BIT(id)); if (IS_ERR(fence)) { |