Hi Adrián, kernel test robot noticed the following build warnings: [auto build test WARNING on e635b7eb7062b464bbd9795308b1a80eac0b01f5] url: https://github.com/intel-lab-lkp/linux/commits/Adri-n-Larumbe/drm-panthor-Enable-fdinfo-for-cycle-and-time-measurements/20240306-051418 base: e635b7eb7062b464bbd9795308b1a80eac0b01f5 patch link: https://lore.kernel.org/r/20240305211000.659103-2-adrian.larumbe%40collabora.com patch subject: [PATCH 1/2] drm/panthor: Enable fdinfo for cycle and time measurements config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20240308/202403081627.Y50ZoOIS-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240308/202403081627.Y50ZoOIS-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202403081627.Y50ZoOIS-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/gpu/drm/panthor/panthor_sched.c:321: warning: Excess struct member 'runnable' description in 'panthor_scheduler' drivers/gpu/drm/panthor/panthor_sched.c:321: warning: Excess struct member 'idle' description in 'panthor_scheduler' drivers/gpu/drm/panthor/panthor_sched.c:321: warning: Excess struct member 'waiting' description in 'panthor_scheduler' drivers/gpu/drm/panthor/panthor_sched.c:321: warning: Excess struct member 'has_ref' description in 'panthor_scheduler' drivers/gpu/drm/panthor/panthor_sched.c:321: warning: Excess struct member 'in_progress' description in 'panthor_scheduler' drivers/gpu/drm/panthor/panthor_sched.c:321: warning: Excess struct member 'stopped_groups' description in 'panthor_scheduler' >> drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'nelem' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'mem' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'input' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'output' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'input_fw_va' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'output_fw_va' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'gpu_va' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'ref' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'gt' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'sync64' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'bo' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'offset' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'kmap' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'lock' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'id' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'seqno' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:480: warning: Excess struct member 'in_flight_jobs' description in 'panthor_queue' drivers/gpu/drm/panthor/panthor_sched.c:670: warning: Function parameter or struct member 'max_fragment_cores' not described in 'panthor_group' >> drivers/gpu/drm/panthor/panthor_sched.c:670: warning: Excess struct member 'bo' description in 'panthor_group' >> drivers/gpu/drm/panthor/panthor_sched.c:670: warning: Excess struct member 'times_offset' description in 'panthor_group' >> drivers/gpu/drm/panthor/panthor_sched.c:670: warning: Excess struct member 'data' description in 'panthor_group' >> drivers/gpu/drm/panthor/panthor_sched.c:670: warning: Excess struct member 'lock' description in 'panthor_group' drivers/gpu/drm/panthor/panthor_sched.c:800: warning: Excess struct member 'start' description in 'panthor_job' drivers/gpu/drm/panthor/panthor_sched.c:800: warning: Excess struct member 'size' description in 'panthor_job' drivers/gpu/drm/panthor/panthor_sched.c:800: warning: Excess struct member 'latest_flush' description in 'panthor_job' drivers/gpu/drm/panthor/panthor_sched.c:800: warning: Excess struct member 'start' description in 'panthor_job' drivers/gpu/drm/panthor/panthor_sched.c:800: warning: Excess struct member 'end' description in 'panthor_job' drivers/gpu/drm/panthor/panthor_sched.c:1043: warning: Cannot understand * @cs_slot_reset_locked() - Reset a queue slot on line 1043 - I thought it was a doc line drivers/gpu/drm/panthor/panthor_sched.c:1645: warning: expecting prototype for panthor_sched_process_global_irq(). Prototype was for sched_process_global_irq_locked() instead drivers/gpu/drm/panthor/panthor_sched.c:1687: warning: Function parameter or struct member 'ptdev' not described in 'panthor_sched_report_fw_events' drivers/gpu/drm/panthor/panthor_sched.c:1687: warning: Function parameter or struct member 'events' not described in 'panthor_sched_report_fw_events' drivers/gpu/drm/panthor/panthor_sched.c:1711: warning: Cannot understand */ on line 1711 - I thought it was a doc line drivers/gpu/drm/panthor/panthor_sched.c:2583: warning: Function parameter or struct member 'ptdev' not described in 'panthor_sched_report_mmu_fault' vim +480 drivers/gpu/drm/panthor/panthor_sched.c de85488138247d Boris Brezillon 2024-02-29 396 de85488138247d Boris Brezillon 2024-02-29 397 /** @ringbuf: Command stream ring-buffer. */ 93e3ba65963905 Adrián Larumbe 2024-03-05 398 struct { 93e3ba65963905 Adrián Larumbe 2024-03-05 399 /** @ringbuf: Kernel BO that holds ring buffer. */ 93e3ba65963905 Adrián Larumbe 2024-03-05 400 struct panthor_kernel_bo *bo; 93e3ba65963905 Adrián Larumbe 2024-03-05 401 93e3ba65963905 Adrián Larumbe 2024-03-05 402 /** @nelem: Number of slots in the ring buffer. */ 93e3ba65963905 Adrián Larumbe 2024-03-05 403 unsigned int nelem; 93e3ba65963905 Adrián Larumbe 2024-03-05 404 } ringbuf; de85488138247d Boris Brezillon 2024-02-29 405 de85488138247d Boris Brezillon 2024-02-29 406 /** @iface: Firmware interface. */ de85488138247d Boris Brezillon 2024-02-29 407 struct { de85488138247d Boris Brezillon 2024-02-29 408 /** @mem: FW memory allocated for this interface. */ de85488138247d Boris Brezillon 2024-02-29 409 struct panthor_kernel_bo *mem; de85488138247d Boris Brezillon 2024-02-29 410 de85488138247d Boris Brezillon 2024-02-29 411 /** @input: Input interface. */ de85488138247d Boris Brezillon 2024-02-29 412 struct panthor_fw_ringbuf_input_iface *input; de85488138247d Boris Brezillon 2024-02-29 413 de85488138247d Boris Brezillon 2024-02-29 414 /** @output: Output interface. */ de85488138247d Boris Brezillon 2024-02-29 415 const struct panthor_fw_ringbuf_output_iface *output; de85488138247d Boris Brezillon 2024-02-29 416 de85488138247d Boris Brezillon 2024-02-29 417 /** @input_fw_va: FW virtual address of the input interface buffer. */ de85488138247d Boris Brezillon 2024-02-29 418 u32 input_fw_va; de85488138247d Boris Brezillon 2024-02-29 419 de85488138247d Boris Brezillon 2024-02-29 420 /** @output_fw_va: FW virtual address of the output interface buffer. */ de85488138247d Boris Brezillon 2024-02-29 421 u32 output_fw_va; de85488138247d Boris Brezillon 2024-02-29 422 } iface; de85488138247d Boris Brezillon 2024-02-29 423 de85488138247d Boris Brezillon 2024-02-29 424 /** de85488138247d Boris Brezillon 2024-02-29 425 * @syncwait: Stores information about the synchronization object this de85488138247d Boris Brezillon 2024-02-29 426 * queue is waiting on. de85488138247d Boris Brezillon 2024-02-29 427 */ de85488138247d Boris Brezillon 2024-02-29 428 struct { de85488138247d Boris Brezillon 2024-02-29 429 /** @gpu_va: GPU address of the synchronization object. */ de85488138247d Boris Brezillon 2024-02-29 430 u64 gpu_va; de85488138247d Boris Brezillon 2024-02-29 431 de85488138247d Boris Brezillon 2024-02-29 432 /** @ref: Reference value to compare against. */ de85488138247d Boris Brezillon 2024-02-29 433 u64 ref; de85488138247d Boris Brezillon 2024-02-29 434 de85488138247d Boris Brezillon 2024-02-29 435 /** @gt: True if this is a greater-than test. */ de85488138247d Boris Brezillon 2024-02-29 436 bool gt; de85488138247d Boris Brezillon 2024-02-29 437 de85488138247d Boris Brezillon 2024-02-29 438 /** @sync64: True if this is a 64-bit sync object. */ de85488138247d Boris Brezillon 2024-02-29 439 bool sync64; de85488138247d Boris Brezillon 2024-02-29 440 de85488138247d Boris Brezillon 2024-02-29 441 /** @bo: Buffer object holding the synchronization object. */ de85488138247d Boris Brezillon 2024-02-29 442 struct drm_gem_object *obj; de85488138247d Boris Brezillon 2024-02-29 443 de85488138247d Boris Brezillon 2024-02-29 444 /** @offset: Offset of the synchronization object inside @bo. */ de85488138247d Boris Brezillon 2024-02-29 445 u64 offset; de85488138247d Boris Brezillon 2024-02-29 446 de85488138247d Boris Brezillon 2024-02-29 447 /** de85488138247d Boris Brezillon 2024-02-29 448 * @kmap: Kernel mapping of the buffer object holding the de85488138247d Boris Brezillon 2024-02-29 449 * synchronization object. de85488138247d Boris Brezillon 2024-02-29 450 */ de85488138247d Boris Brezillon 2024-02-29 451 void *kmap; de85488138247d Boris Brezillon 2024-02-29 452 } syncwait; de85488138247d Boris Brezillon 2024-02-29 453 de85488138247d Boris Brezillon 2024-02-29 454 /** @fence_ctx: Fence context fields. */ de85488138247d Boris Brezillon 2024-02-29 455 struct { de85488138247d Boris Brezillon 2024-02-29 456 /** @lock: Used to protect access to all fences allocated by this context. */ de85488138247d Boris Brezillon 2024-02-29 457 spinlock_t lock; de85488138247d Boris Brezillon 2024-02-29 458 de85488138247d Boris Brezillon 2024-02-29 459 /** de85488138247d Boris Brezillon 2024-02-29 460 * @id: Fence context ID. de85488138247d Boris Brezillon 2024-02-29 461 * de85488138247d Boris Brezillon 2024-02-29 462 * Allocated with dma_fence_context_alloc(). de85488138247d Boris Brezillon 2024-02-29 463 */ de85488138247d Boris Brezillon 2024-02-29 464 u64 id; de85488138247d Boris Brezillon 2024-02-29 465 de85488138247d Boris Brezillon 2024-02-29 466 /** @seqno: Sequence number of the last initialized fence. */ de85488138247d Boris Brezillon 2024-02-29 467 atomic64_t seqno; de85488138247d Boris Brezillon 2024-02-29 468 de85488138247d Boris Brezillon 2024-02-29 469 /** de85488138247d Boris Brezillon 2024-02-29 470 * @in_flight_jobs: List containing all in-flight jobs. de85488138247d Boris Brezillon 2024-02-29 471 * de85488138247d Boris Brezillon 2024-02-29 472 * Used to keep track and signal panthor_job::done_fence when the de85488138247d Boris Brezillon 2024-02-29 473 * synchronization object attached to the queue is signaled. de85488138247d Boris Brezillon 2024-02-29 474 */ de85488138247d Boris Brezillon 2024-02-29 475 struct list_head in_flight_jobs; de85488138247d Boris Brezillon 2024-02-29 476 } fence_ctx; 93e3ba65963905 Adrián Larumbe 2024-03-05 477 93e3ba65963905 Adrián Larumbe 2024-03-05 478 /** @time_offset: Offset of fdinfo stats structs in queue's syncobj. */ 93e3ba65963905 Adrián Larumbe 2024-03-05 479 unsigned long time_offset; de85488138247d Boris Brezillon 2024-02-29 @480 }; de85488138247d Boris Brezillon 2024-02-29 481 de85488138247d Boris Brezillon 2024-02-29 482 /** de85488138247d Boris Brezillon 2024-02-29 483 * enum panthor_group_state - Scheduling group state. de85488138247d Boris Brezillon 2024-02-29 484 */ de85488138247d Boris Brezillon 2024-02-29 485 enum panthor_group_state { de85488138247d Boris Brezillon 2024-02-29 486 /** @PANTHOR_CS_GROUP_CREATED: Group was created, but not scheduled yet. */ de85488138247d Boris Brezillon 2024-02-29 487 PANTHOR_CS_GROUP_CREATED, de85488138247d Boris Brezillon 2024-02-29 488 de85488138247d Boris Brezillon 2024-02-29 489 /** @PANTHOR_CS_GROUP_ACTIVE: Group is currently scheduled. */ de85488138247d Boris Brezillon 2024-02-29 490 PANTHOR_CS_GROUP_ACTIVE, de85488138247d Boris Brezillon 2024-02-29 491 de85488138247d Boris Brezillon 2024-02-29 492 /** de85488138247d Boris Brezillon 2024-02-29 493 * @PANTHOR_CS_GROUP_SUSPENDED: Group was scheduled at least once, but is de85488138247d Boris Brezillon 2024-02-29 494 * inactive/suspended right now. de85488138247d Boris Brezillon 2024-02-29 495 */ de85488138247d Boris Brezillon 2024-02-29 496 PANTHOR_CS_GROUP_SUSPENDED, de85488138247d Boris Brezillon 2024-02-29 497 de85488138247d Boris Brezillon 2024-02-29 498 /** de85488138247d Boris Brezillon 2024-02-29 499 * @PANTHOR_CS_GROUP_TERMINATED: Group was terminated. de85488138247d Boris Brezillon 2024-02-29 500 * de85488138247d Boris Brezillon 2024-02-29 501 * Can no longer be scheduled. The only allowed action is a destruction. de85488138247d Boris Brezillon 2024-02-29 502 */ de85488138247d Boris Brezillon 2024-02-29 503 PANTHOR_CS_GROUP_TERMINATED, de85488138247d Boris Brezillon 2024-02-29 504 }; de85488138247d Boris Brezillon 2024-02-29 505 de85488138247d Boris Brezillon 2024-02-29 506 /** de85488138247d Boris Brezillon 2024-02-29 507 * struct panthor_group - Scheduling group object de85488138247d Boris Brezillon 2024-02-29 508 */ de85488138247d Boris Brezillon 2024-02-29 509 struct panthor_group { de85488138247d Boris Brezillon 2024-02-29 510 /** @refcount: Reference count */ de85488138247d Boris Brezillon 2024-02-29 511 struct kref refcount; de85488138247d Boris Brezillon 2024-02-29 512 de85488138247d Boris Brezillon 2024-02-29 513 /** @ptdev: Device. */ de85488138247d Boris Brezillon 2024-02-29 514 struct panthor_device *ptdev; de85488138247d Boris Brezillon 2024-02-29 515 de85488138247d Boris Brezillon 2024-02-29 516 /** @vm: VM bound to the group. */ de85488138247d Boris Brezillon 2024-02-29 517 struct panthor_vm *vm; de85488138247d Boris Brezillon 2024-02-29 518 de85488138247d Boris Brezillon 2024-02-29 519 /** @compute_core_mask: Mask of shader cores that can be used for compute jobs. */ de85488138247d Boris Brezillon 2024-02-29 520 u64 compute_core_mask; de85488138247d Boris Brezillon 2024-02-29 521 de85488138247d Boris Brezillon 2024-02-29 522 /** @fragment_core_mask: Mask of shader cores that can be used for fragment jobs. */ de85488138247d Boris Brezillon 2024-02-29 523 u64 fragment_core_mask; de85488138247d Boris Brezillon 2024-02-29 524 de85488138247d Boris Brezillon 2024-02-29 525 /** @tiler_core_mask: Mask of tiler cores that can be used for tiler jobs. */ de85488138247d Boris Brezillon 2024-02-29 526 u64 tiler_core_mask; de85488138247d Boris Brezillon 2024-02-29 527 de85488138247d Boris Brezillon 2024-02-29 528 /** @max_compute_cores: Maximum number of shader cores used for compute jobs. */ de85488138247d Boris Brezillon 2024-02-29 529 u8 max_compute_cores; de85488138247d Boris Brezillon 2024-02-29 530 de85488138247d Boris Brezillon 2024-02-29 531 /** @max_compute_cores: Maximum number of shader cores used for fragment jobs. */ de85488138247d Boris Brezillon 2024-02-29 532 u8 max_fragment_cores; de85488138247d Boris Brezillon 2024-02-29 533 de85488138247d Boris Brezillon 2024-02-29 534 /** @max_tiler_cores: Maximum number of tiler cores used for tiler jobs. */ de85488138247d Boris Brezillon 2024-02-29 535 u8 max_tiler_cores; de85488138247d Boris Brezillon 2024-02-29 536 de85488138247d Boris Brezillon 2024-02-29 537 /** @priority: Group priority (check panthor_csg_priority). */ de85488138247d Boris Brezillon 2024-02-29 538 u8 priority; de85488138247d Boris Brezillon 2024-02-29 539 de85488138247d Boris Brezillon 2024-02-29 540 /** @blocked_queues: Bitmask reflecting the blocked queues. */ de85488138247d Boris Brezillon 2024-02-29 541 u32 blocked_queues; de85488138247d Boris Brezillon 2024-02-29 542 de85488138247d Boris Brezillon 2024-02-29 543 /** @idle_queues: Bitmask reflecting the idle queues. */ de85488138247d Boris Brezillon 2024-02-29 544 u32 idle_queues; de85488138247d Boris Brezillon 2024-02-29 545 de85488138247d Boris Brezillon 2024-02-29 546 /** @fatal_lock: Lock used to protect access to fatal fields. */ de85488138247d Boris Brezillon 2024-02-29 547 spinlock_t fatal_lock; de85488138247d Boris Brezillon 2024-02-29 548 de85488138247d Boris Brezillon 2024-02-29 549 /** @fatal_queues: Bitmask reflecting the queues that hit a fatal exception. */ de85488138247d Boris Brezillon 2024-02-29 550 u32 fatal_queues; de85488138247d Boris Brezillon 2024-02-29 551 de85488138247d Boris Brezillon 2024-02-29 552 /** @tiler_oom: Mask of queues that have a tiler OOM event to process. */ de85488138247d Boris Brezillon 2024-02-29 553 atomic_t tiler_oom; de85488138247d Boris Brezillon 2024-02-29 554 de85488138247d Boris Brezillon 2024-02-29 555 /** @queue_count: Number of queues in this group. */ de85488138247d Boris Brezillon 2024-02-29 556 u32 queue_count; de85488138247d Boris Brezillon 2024-02-29 557 de85488138247d Boris Brezillon 2024-02-29 558 /** @queues: Queues owned by this group. */ de85488138247d Boris Brezillon 2024-02-29 559 struct panthor_queue *queues[MAX_CS_PER_CSG]; de85488138247d Boris Brezillon 2024-02-29 560 de85488138247d Boris Brezillon 2024-02-29 561 /** de85488138247d Boris Brezillon 2024-02-29 562 * @csg_id: ID of the FW group slot. de85488138247d Boris Brezillon 2024-02-29 563 * de85488138247d Boris Brezillon 2024-02-29 564 * -1 when the group is not scheduled/active. de85488138247d Boris Brezillon 2024-02-29 565 */ de85488138247d Boris Brezillon 2024-02-29 566 int csg_id; de85488138247d Boris Brezillon 2024-02-29 567 de85488138247d Boris Brezillon 2024-02-29 568 /** de85488138247d Boris Brezillon 2024-02-29 569 * @destroyed: True when the group has been destroyed. de85488138247d Boris Brezillon 2024-02-29 570 * de85488138247d Boris Brezillon 2024-02-29 571 * If a group is destroyed it becomes useless: no further jobs can be submitted de85488138247d Boris Brezillon 2024-02-29 572 * to its queues. We simply wait for all references to be dropped so we can de85488138247d Boris Brezillon 2024-02-29 573 * release the group object. de85488138247d Boris Brezillon 2024-02-29 574 */ de85488138247d Boris Brezillon 2024-02-29 575 bool destroyed; de85488138247d Boris Brezillon 2024-02-29 576 de85488138247d Boris Brezillon 2024-02-29 577 /** de85488138247d Boris Brezillon 2024-02-29 578 * @timedout: True when a timeout occurred on any of the queues owned by de85488138247d Boris Brezillon 2024-02-29 579 * this group. de85488138247d Boris Brezillon 2024-02-29 580 * de85488138247d Boris Brezillon 2024-02-29 581 * Timeouts can be reported by drm_sched or by the FW. In any case, any de85488138247d Boris Brezillon 2024-02-29 582 * timeout situation is unrecoverable, and the group becomes useless. de85488138247d Boris Brezillon 2024-02-29 583 * We simply wait for all references to be dropped so we can release the de85488138247d Boris Brezillon 2024-02-29 584 * group object. de85488138247d Boris Brezillon 2024-02-29 585 */ de85488138247d Boris Brezillon 2024-02-29 586 bool timedout; de85488138247d Boris Brezillon 2024-02-29 587 de85488138247d Boris Brezillon 2024-02-29 588 /** de85488138247d Boris Brezillon 2024-02-29 589 * @syncobjs: Pool of per-queue synchronization objects. de85488138247d Boris Brezillon 2024-02-29 590 * de85488138247d Boris Brezillon 2024-02-29 591 * One sync object per queue. The position of the sync object is de85488138247d Boris Brezillon 2024-02-29 592 * determined by the queue index. de85488138247d Boris Brezillon 2024-02-29 593 */ 93e3ba65963905 Adrián Larumbe 2024-03-05 594 93e3ba65963905 Adrián Larumbe 2024-03-05 595 struct { 93e3ba65963905 Adrián Larumbe 2024-03-05 596 /** @bo: Kernel BO holding the sync objects. */ 93e3ba65963905 Adrián Larumbe 2024-03-05 597 struct panthor_kernel_bo *bo; 93e3ba65963905 Adrián Larumbe 2024-03-05 598 93e3ba65963905 Adrián Larumbe 2024-03-05 599 /** @times_offset: Beginning of time stats after objects of sync pool. */ 93e3ba65963905 Adrián Larumbe 2024-03-05 600 size_t times_offset; 93e3ba65963905 Adrián Larumbe 2024-03-05 601 } syncobjs; 93e3ba65963905 Adrián Larumbe 2024-03-05 602 93e3ba65963905 Adrián Larumbe 2024-03-05 603 /** @fdinfo: Per-file total cycle and timestamp values reference. */ 93e3ba65963905 Adrián Larumbe 2024-03-05 604 struct { 93e3ba65963905 Adrián Larumbe 2024-03-05 605 /** @data: Pointer to actual per-file sample data. */ 93e3ba65963905 Adrián Larumbe 2024-03-05 606 struct panthor_gpu_usage *data; 93e3ba65963905 Adrián Larumbe 2024-03-05 607 93e3ba65963905 Adrián Larumbe 2024-03-05 608 /** 93e3ba65963905 Adrián Larumbe 2024-03-05 609 * @lock: Mutex to govern concurrent access from drm file's fdinfo callback 93e3ba65963905 Adrián Larumbe 2024-03-05 610 * and job post-completion processing function 93e3ba65963905 Adrián Larumbe 2024-03-05 611 */ 93e3ba65963905 Adrián Larumbe 2024-03-05 612 struct mutex lock; 93e3ba65963905 Adrián Larumbe 2024-03-05 613 } fdinfo; de85488138247d Boris Brezillon 2024-02-29 614 de85488138247d Boris Brezillon 2024-02-29 615 /** @state: Group state. */ de85488138247d Boris Brezillon 2024-02-29 616 enum panthor_group_state state; de85488138247d Boris Brezillon 2024-02-29 617 de85488138247d Boris Brezillon 2024-02-29 618 /** de85488138247d Boris Brezillon 2024-02-29 619 * @suspend_buf: Suspend buffer. de85488138247d Boris Brezillon 2024-02-29 620 * de85488138247d Boris Brezillon 2024-02-29 621 * Stores the state of the group and its queues when a group is suspended. de85488138247d Boris Brezillon 2024-02-29 622 * Used at resume time to restore the group in its previous state. de85488138247d Boris Brezillon 2024-02-29 623 * de85488138247d Boris Brezillon 2024-02-29 624 * The size of the suspend buffer is exposed through the FW interface. de85488138247d Boris Brezillon 2024-02-29 625 */ de85488138247d Boris Brezillon 2024-02-29 626 struct panthor_kernel_bo *suspend_buf; de85488138247d Boris Brezillon 2024-02-29 627 de85488138247d Boris Brezillon 2024-02-29 628 /** de85488138247d Boris Brezillon 2024-02-29 629 * @protm_suspend_buf: Protection mode suspend buffer. de85488138247d Boris Brezillon 2024-02-29 630 * de85488138247d Boris Brezillon 2024-02-29 631 * Stores the state of the group and its queues when a group that's in de85488138247d Boris Brezillon 2024-02-29 632 * protection mode is suspended. de85488138247d Boris Brezillon 2024-02-29 633 * de85488138247d Boris Brezillon 2024-02-29 634 * Used at resume time to restore the group in its previous state. de85488138247d Boris Brezillon 2024-02-29 635 * de85488138247d Boris Brezillon 2024-02-29 636 * The size of the protection mode suspend buffer is exposed through the de85488138247d Boris Brezillon 2024-02-29 637 * FW interface. de85488138247d Boris Brezillon 2024-02-29 638 */ de85488138247d Boris Brezillon 2024-02-29 639 struct panthor_kernel_bo *protm_suspend_buf; de85488138247d Boris Brezillon 2024-02-29 640 de85488138247d Boris Brezillon 2024-02-29 641 /** @sync_upd_work: Work used to check/signal job fences. */ de85488138247d Boris Brezillon 2024-02-29 642 struct work_struct sync_upd_work; de85488138247d Boris Brezillon 2024-02-29 643 de85488138247d Boris Brezillon 2024-02-29 644 /** @tiler_oom_work: Work used to process tiler OOM events happening on this group. */ de85488138247d Boris Brezillon 2024-02-29 645 struct work_struct tiler_oom_work; de85488138247d Boris Brezillon 2024-02-29 646 de85488138247d Boris Brezillon 2024-02-29 647 /** @term_work: Work used to finish the group termination procedure. */ de85488138247d Boris Brezillon 2024-02-29 648 struct work_struct term_work; de85488138247d Boris Brezillon 2024-02-29 649 de85488138247d Boris Brezillon 2024-02-29 650 /** de85488138247d Boris Brezillon 2024-02-29 651 * @release_work: Work used to release group resources. de85488138247d Boris Brezillon 2024-02-29 652 * de85488138247d Boris Brezillon 2024-02-29 653 * We need to postpone the group release to avoid a deadlock when de85488138247d Boris Brezillon 2024-02-29 654 * the last ref is released in the tick work. de85488138247d Boris Brezillon 2024-02-29 655 */ de85488138247d Boris Brezillon 2024-02-29 656 struct work_struct release_work; de85488138247d Boris Brezillon 2024-02-29 657 de85488138247d Boris Brezillon 2024-02-29 658 /** de85488138247d Boris Brezillon 2024-02-29 659 * @run_node: Node used to insert the group in the de85488138247d Boris Brezillon 2024-02-29 660 * panthor_group::groups::{runnable,idle} and de85488138247d Boris Brezillon 2024-02-29 661 * panthor_group::reset.stopped_groups lists. de85488138247d Boris Brezillon 2024-02-29 662 */ de85488138247d Boris Brezillon 2024-02-29 663 struct list_head run_node; de85488138247d Boris Brezillon 2024-02-29 664 de85488138247d Boris Brezillon 2024-02-29 665 /** de85488138247d Boris Brezillon 2024-02-29 666 * @wait_node: Node used to insert the group in the de85488138247d Boris Brezillon 2024-02-29 667 * panthor_group::groups::waiting list. de85488138247d Boris Brezillon 2024-02-29 668 */ de85488138247d Boris Brezillon 2024-02-29 669 struct list_head wait_node; de85488138247d Boris Brezillon 2024-02-29 @670 }; de85488138247d Boris Brezillon 2024-02-29 671 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
