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X-MS-Exchange-CrossTenant-Network-Message-Id: 321125ba-1f68-4d6c-1706-08def8015e60 X-MS-Exchange-CrossTenant-AuthSource: PH7PR11MB6522.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Aug 2026 23:36:29.6535 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: EDALajfoO7dN4ugATyhrOQn1Re9zYS8se0vkI6WfmV2PSYtE/TycdNaMQb59MnSfgVYrGRgbxHtmghNswv3uag== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS4PR11MB349881 X-OriginatorOrg: intel.com X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" On Tue, Aug 11, 2026 at 07:07:56PM +0530, Nitin Gote wrote: > EXEC_QUEUE_FLAG_PERMANENT used to mark kernel-owned exec queues that were > only torn down at driver unload, so that guc_exec_queue_destroy() could > take a synchronous teardown path for them while user queues went through > the async destroy worker. > > Exec-queue teardown now routes every queue through the single > message-based path (with the message layer gating any HW/H2G work behind > drm_dev_enter()/drm_dev_exit() and taking a runtime-PM reference only > while the device is bound), so the PERMANENT flag no longer has any effect. > Drop it and all its users, and renumber the remaining flags to keep the > bit range contiguous. > > Suggested-by: Matthew Brost > Cc: Matthew Brost Reviewed-by: Matthew Brost > Signed-off-by: Nitin Gote > --- > drivers/gpu/drm/xe/xe_exec_queue.c | 3 --- > drivers/gpu/drm/xe/xe_exec_queue_types.h | 14 ++++++-------- > drivers/gpu/drm/xe/xe_gsc.c | 3 +-- > drivers/gpu/drm/xe/xe_migrate.c | 2 -- > drivers/gpu/drm/xe/xe_pxp_submit.c | 5 ++--- > drivers/gpu/drm/xe/xe_sriov_vf_ccs.c | 1 - > drivers/gpu/drm/xe/xe_vm.c | 1 - > 7 files changed, 9 insertions(+), 20 deletions(-) > > diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c > index 9f3d022a1463..c4213bb9c137 100644 > --- a/drivers/gpu/drm/xe/xe_exec_queue.c > +++ b/drivers/gpu/drm/xe/xe_exec_queue.c > @@ -207,9 +207,6 @@ static struct xe_exec_queue *__xe_exec_queue_alloc(struct xe_device *xe, > struct xe_gt *gt = hwe->gt; > int err; > > - /* only kernel queues can be permanent */ > - XE_WARN_ON((flags & EXEC_QUEUE_FLAG_PERMANENT) && !(flags & EXEC_QUEUE_FLAG_KERNEL)); > - > q = kzalloc_flex(*q, lrc, width); > if (!q) > return ERR_PTR(-ENOMEM); > diff --git a/drivers/gpu/drm/xe/xe_exec_queue_types.h b/drivers/gpu/drm/xe/xe_exec_queue_types.h > index b2276559c2f6..95f75d61a647 100644 > --- a/drivers/gpu/drm/xe/xe_exec_queue_types.h > +++ b/drivers/gpu/drm/xe/xe_exec_queue_types.h > @@ -135,20 +135,18 @@ struct xe_exec_queue { > > /* queue used for kernel submission only */ > #define EXEC_QUEUE_FLAG_KERNEL BIT(0) > -/* kernel engine only destroyed at driver unload */ > -#define EXEC_QUEUE_FLAG_PERMANENT BIT(1) > /* for VM jobs. Caller needs to hold rpm ref when creating queue with this flag */ > -#define EXEC_QUEUE_FLAG_VM BIT(2) > +#define EXEC_QUEUE_FLAG_VM BIT(1) > /* child of VM queue for multi-tile VM jobs */ > -#define EXEC_QUEUE_FLAG_BIND_ENGINE_CHILD BIT(3) > +#define EXEC_QUEUE_FLAG_BIND_ENGINE_CHILD BIT(2) > /* kernel exec_queue only, set priority to highest level */ > -#define EXEC_QUEUE_FLAG_HIGH_PRIORITY BIT(4) > +#define EXEC_QUEUE_FLAG_HIGH_PRIORITY BIT(3) > /* flag to indicate low latency hint to guc */ > -#define EXEC_QUEUE_FLAG_LOW_LATENCY BIT(5) > +#define EXEC_QUEUE_FLAG_LOW_LATENCY BIT(4) > /* for migration (kernel copy, clear, bind) jobs */ > -#define EXEC_QUEUE_FLAG_MIGRATE BIT(6) > +#define EXEC_QUEUE_FLAG_MIGRATE BIT(5) > /* for programming COMMON_SLICE_CHICKEN3 on first submission */ > -#define EXEC_QUEUE_FLAG_DISABLE_STATE_CACHE_PERF_FIX BIT(7) > +#define EXEC_QUEUE_FLAG_DISABLE_STATE_CACHE_PERF_FIX BIT(6) > > /** > * @flags: flags for this exec queue, should statically setup aside from ban > diff --git a/drivers/gpu/drm/xe/xe_gsc.c b/drivers/gpu/drm/xe/xe_gsc.c > index aab59dc647fb..524ac56bdcc7 100644 > --- a/drivers/gpu/drm/xe/xe_gsc.c > +++ b/drivers/gpu/drm/xe/xe_gsc.c > @@ -478,8 +478,7 @@ int xe_gsc_init_post_hwconfig(struct xe_gsc *gsc) > > q = xe_exec_queue_create(xe, NULL, > BIT(hwe->logical_instance), 1, hwe, > - EXEC_QUEUE_FLAG_KERNEL | > - EXEC_QUEUE_FLAG_PERMANENT, 0); > + EXEC_QUEUE_FLAG_KERNEL, 0); > if (IS_ERR(q)) { > xe_gt_err(gt, "Failed to create queue for GSC submission\n"); > return PTR_ERR(q); > diff --git a/drivers/gpu/drm/xe/xe_migrate.c b/drivers/gpu/drm/xe/xe_migrate.c > index f79d0047bec6..75b83687f1b5 100644 > --- a/drivers/gpu/drm/xe/xe_migrate.c > +++ b/drivers/gpu/drm/xe/xe_migrate.c > @@ -493,7 +493,6 @@ int xe_migrate_init(struct xe_migrate *m) > */ > m->q = xe_exec_queue_create(xe, vm, logical_mask, 1, hwe0, > EXEC_QUEUE_FLAG_KERNEL | > - EXEC_QUEUE_FLAG_PERMANENT | > EXEC_QUEUE_FLAG_HIGH_PRIORITY | > EXEC_QUEUE_FLAG_MIGRATE | > EXEC_QUEUE_FLAG_LOW_LATENCY, 0); > @@ -501,7 +500,6 @@ int xe_migrate_init(struct xe_migrate *m) > m->q = xe_exec_queue_create_class(xe, primary_gt, vm, > XE_ENGINE_CLASS_COPY, > EXEC_QUEUE_FLAG_KERNEL | > - EXEC_QUEUE_FLAG_PERMANENT | > EXEC_QUEUE_FLAG_MIGRATE, 0); > } > if (IS_ERR(m->q)) { > diff --git a/drivers/gpu/drm/xe/xe_pxp_submit.c b/drivers/gpu/drm/xe/xe_pxp_submit.c > index e60526e30030..5de86a8cf27d 100644 > --- a/drivers/gpu/drm/xe/xe_pxp_submit.c > +++ b/drivers/gpu/drm/xe/xe_pxp_submit.c > @@ -46,7 +46,7 @@ static int allocate_vcs_execution_resources(struct xe_pxp *pxp) > return -ENODEV; > > q = xe_exec_queue_create(xe, NULL, BIT(hwe->logical_instance), 1, hwe, > - EXEC_QUEUE_FLAG_KERNEL | EXEC_QUEUE_FLAG_PERMANENT, 0); > + EXEC_QUEUE_FLAG_KERNEL, 0); > if (IS_ERR(q)) > return PTR_ERR(q); > > @@ -144,8 +144,7 @@ static int allocate_gsc_client_resources(struct xe_gt *gt, > } > > q = xe_exec_queue_create(xe, vm, BIT(hwe->logical_instance), 1, hwe, > - EXEC_QUEUE_FLAG_KERNEL | > - EXEC_QUEUE_FLAG_PERMANENT, 0); > + EXEC_QUEUE_FLAG_KERNEL, 0); > if (IS_ERR(q)) { > err = PTR_ERR(q); > goto bo_out; > diff --git a/drivers/gpu/drm/xe/xe_sriov_vf_ccs.c b/drivers/gpu/drm/xe/xe_sriov_vf_ccs.c > index a8c831fbee3b..a54138461f44 100644 > --- a/drivers/gpu/drm/xe/xe_sriov_vf_ccs.c > +++ b/drivers/gpu/drm/xe/xe_sriov_vf_ccs.c > @@ -354,7 +354,6 @@ int xe_sriov_vf_ccs_init(struct xe_device *xe) > ctx->ctx_id = ctx_id; > > flags = EXEC_QUEUE_FLAG_KERNEL | > - EXEC_QUEUE_FLAG_PERMANENT | > EXEC_QUEUE_FLAG_MIGRATE; > q = xe_exec_queue_create_bind(xe, tile, NULL, flags, 0); > if (IS_ERR(q)) { > diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c > index 9e0176861cb6..cb6db353147e 100644 > --- a/drivers/gpu/drm/xe/xe_vm.c > +++ b/drivers/gpu/drm/xe/xe_vm.c > @@ -4955,7 +4955,6 @@ void xe_vm_add_exec_queue(struct xe_vm *vm, struct xe_exec_queue *q) > > /* User VMs and queues only */ > xe_assert(xe, !(q->flags & EXEC_QUEUE_FLAG_KERNEL)); > - xe_assert(xe, !(q->flags & EXEC_QUEUE_FLAG_PERMANENT)); > xe_assert(xe, !(q->flags & EXEC_QUEUE_FLAG_VM)); > xe_assert(xe, !(q->flags & EXEC_QUEUE_FLAG_MIGRATE)); > xe_assert(xe, vm->xef); > -- > 2.50.1 >