[PATCH 1/2] drm/panthor: Add csg_priority to panthor_group
kernel test robot
lkp at intel.com
Sat Sep 21 16:57:18 UTC 2024
Hi Mary,
kernel test robot noticed the following build warnings:
[auto build test WARNING on drm/drm-next]
[also build test WARNING on drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-misc/drm-misc-next drm-tip/drm-tip linus/master v6.11 next-20240920]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Mary-Guillemard/drm-panthor-Add-csg_priority-to-panthor_group/20240918-165602
base: git://anongit.freedesktop.org/drm/drm drm-next
patch link: https://lore.kernel.org/r/20240918085056.24422-3-mary.guillemard%40collabora.com
patch subject: [PATCH 1/2] drm/panthor: Add csg_priority to panthor_group
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240922/202409220025.v4cCQjaI-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240922/202409220025.v4cCQjaI-lkp@intel.com/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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409220025.v4cCQjaI-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/gpu/drm/panthor/panthor_sched.c:319: warning: Excess struct member 'runnable' description in 'panthor_scheduler'
drivers/gpu/drm/panthor/panthor_sched.c:319: warning: Excess struct member 'idle' description in 'panthor_scheduler'
drivers/gpu/drm/panthor/panthor_sched.c:319: warning: Excess struct member 'waiting' description in 'panthor_scheduler'
drivers/gpu/drm/panthor/panthor_sched.c:319: warning: Excess struct member 'has_ref' description in 'panthor_scheduler'
drivers/gpu/drm/panthor/panthor_sched.c:319: warning: Excess struct member 'in_progress' description in 'panthor_scheduler'
drivers/gpu/drm/panthor/panthor_sched.c:319: warning: Excess struct member 'stopped_groups' description in 'panthor_scheduler'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'mem' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'input' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'output' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'input_fw_va' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'output_fw_va' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'gpu_va' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'ref' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'gt' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'sync64' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'bo' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'offset' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'kmap' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'lock' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'id' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'seqno' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'last_fence' description in 'panthor_queue'
drivers/gpu/drm/panthor/panthor_sched.c:479: warning: Excess struct member 'in_flight_jobs' description in 'panthor_queue'
>> drivers/gpu/drm/panthor/panthor_sched.c:669: warning: Function parameter or struct member 'csg_priority' not described in 'panthor_group'
drivers/gpu/drm/panthor/panthor_sched.c:784: warning: Excess struct member 'start' description in 'panthor_job'
drivers/gpu/drm/panthor/panthor_sched.c:784: warning: Excess struct member 'size' description in 'panthor_job'
drivers/gpu/drm/panthor/panthor_sched.c:784: warning: Excess struct member 'latest_flush' description in 'panthor_job'
drivers/gpu/drm/panthor/panthor_sched.c:784: warning: Excess struct member 'start' description in 'panthor_job'
drivers/gpu/drm/panthor/panthor_sched.c:784: warning: Excess struct member 'end' description in 'panthor_job'
drivers/gpu/drm/panthor/panthor_sched.c:1707: warning: Function parameter or struct member 'ptdev' not described in 'panthor_sched_report_fw_events'
drivers/gpu/drm/panthor/panthor_sched.c:1707: warning: Function parameter or struct member 'events' not described in 'panthor_sched_report_fw_events'
drivers/gpu/drm/panthor/panthor_sched.c:2602: warning: Function parameter or struct member 'ptdev' not described in 'panthor_sched_report_mmu_fault'
vim +669 drivers/gpu/drm/panthor/panthor_sched.c
de85488138247d Boris Brezillon 2024-02-29 516
de85488138247d Boris Brezillon 2024-02-29 517 /**
de85488138247d Boris Brezillon 2024-02-29 518 * struct panthor_group - Scheduling group object
de85488138247d Boris Brezillon 2024-02-29 519 */
de85488138247d Boris Brezillon 2024-02-29 520 struct panthor_group {
de85488138247d Boris Brezillon 2024-02-29 521 /** @refcount: Reference count */
de85488138247d Boris Brezillon 2024-02-29 522 struct kref refcount;
de85488138247d Boris Brezillon 2024-02-29 523
de85488138247d Boris Brezillon 2024-02-29 524 /** @ptdev: Device. */
de85488138247d Boris Brezillon 2024-02-29 525 struct panthor_device *ptdev;
de85488138247d Boris Brezillon 2024-02-29 526
de85488138247d Boris Brezillon 2024-02-29 527 /** @vm: VM bound to the group. */
de85488138247d Boris Brezillon 2024-02-29 528 struct panthor_vm *vm;
de85488138247d Boris Brezillon 2024-02-29 529
de85488138247d Boris Brezillon 2024-02-29 530 /** @compute_core_mask: Mask of shader cores that can be used for compute jobs. */
de85488138247d Boris Brezillon 2024-02-29 531 u64 compute_core_mask;
de85488138247d Boris Brezillon 2024-02-29 532
de85488138247d Boris Brezillon 2024-02-29 533 /** @fragment_core_mask: Mask of shader cores that can be used for fragment jobs. */
de85488138247d Boris Brezillon 2024-02-29 534 u64 fragment_core_mask;
de85488138247d Boris Brezillon 2024-02-29 535
de85488138247d Boris Brezillon 2024-02-29 536 /** @tiler_core_mask: Mask of tiler cores that can be used for tiler jobs. */
de85488138247d Boris Brezillon 2024-02-29 537 u64 tiler_core_mask;
de85488138247d Boris Brezillon 2024-02-29 538
de85488138247d Boris Brezillon 2024-02-29 539 /** @max_compute_cores: Maximum number of shader cores used for compute jobs. */
de85488138247d Boris Brezillon 2024-02-29 540 u8 max_compute_cores;
de85488138247d Boris Brezillon 2024-02-29 541
be7ffc821f5fc2 Liviu Dudau 2024-04-02 542 /** @max_fragment_cores: Maximum number of shader cores used for fragment jobs. */
de85488138247d Boris Brezillon 2024-02-29 543 u8 max_fragment_cores;
de85488138247d Boris Brezillon 2024-02-29 544
de85488138247d Boris Brezillon 2024-02-29 545 /** @max_tiler_cores: Maximum number of tiler cores used for tiler jobs. */
de85488138247d Boris Brezillon 2024-02-29 546 u8 max_tiler_cores;
de85488138247d Boris Brezillon 2024-02-29 547
de85488138247d Boris Brezillon 2024-02-29 548 /** @priority: Group priority (check panthor_csg_priority). */
de85488138247d Boris Brezillon 2024-02-29 549 u8 priority;
de85488138247d Boris Brezillon 2024-02-29 550
de85488138247d Boris Brezillon 2024-02-29 551 /** @blocked_queues: Bitmask reflecting the blocked queues. */
de85488138247d Boris Brezillon 2024-02-29 552 u32 blocked_queues;
de85488138247d Boris Brezillon 2024-02-29 553
de85488138247d Boris Brezillon 2024-02-29 554 /** @idle_queues: Bitmask reflecting the idle queues. */
de85488138247d Boris Brezillon 2024-02-29 555 u32 idle_queues;
de85488138247d Boris Brezillon 2024-02-29 556
de85488138247d Boris Brezillon 2024-02-29 557 /** @fatal_lock: Lock used to protect access to fatal fields. */
de85488138247d Boris Brezillon 2024-02-29 558 spinlock_t fatal_lock;
de85488138247d Boris Brezillon 2024-02-29 559
de85488138247d Boris Brezillon 2024-02-29 560 /** @fatal_queues: Bitmask reflecting the queues that hit a fatal exception. */
de85488138247d Boris Brezillon 2024-02-29 561 u32 fatal_queues;
de85488138247d Boris Brezillon 2024-02-29 562
de85488138247d Boris Brezillon 2024-02-29 563 /** @tiler_oom: Mask of queues that have a tiler OOM event to process. */
de85488138247d Boris Brezillon 2024-02-29 564 atomic_t tiler_oom;
de85488138247d Boris Brezillon 2024-02-29 565
de85488138247d Boris Brezillon 2024-02-29 566 /** @queue_count: Number of queues in this group. */
de85488138247d Boris Brezillon 2024-02-29 567 u32 queue_count;
de85488138247d Boris Brezillon 2024-02-29 568
de85488138247d Boris Brezillon 2024-02-29 569 /** @queues: Queues owned by this group. */
de85488138247d Boris Brezillon 2024-02-29 570 struct panthor_queue *queues[MAX_CS_PER_CSG];
de85488138247d Boris Brezillon 2024-02-29 571
de85488138247d Boris Brezillon 2024-02-29 572 /**
de85488138247d Boris Brezillon 2024-02-29 573 * @csg_id: ID of the FW group slot.
de85488138247d Boris Brezillon 2024-02-29 574 *
de85488138247d Boris Brezillon 2024-02-29 575 * -1 when the group is not scheduled/active.
de85488138247d Boris Brezillon 2024-02-29 576 */
de85488138247d Boris Brezillon 2024-02-29 577 int csg_id;
de85488138247d Boris Brezillon 2024-02-29 578
474e5b301372a6 Mary Guillemard 2024-09-18 579 /**
474e5b301372a6 Mary Guillemard 2024-09-18 580 * @csg_id: Priority of the FW group slot.
474e5b301372a6 Mary Guillemard 2024-09-18 581 *
474e5b301372a6 Mary Guillemard 2024-09-18 582 * -1 when the group is not scheduled/active.
474e5b301372a6 Mary Guillemard 2024-09-18 583 */
474e5b301372a6 Mary Guillemard 2024-09-18 584 int csg_priority;
474e5b301372a6 Mary Guillemard 2024-09-18 585
de85488138247d Boris Brezillon 2024-02-29 586 /**
de85488138247d Boris Brezillon 2024-02-29 587 * @destroyed: True when the group has been destroyed.
de85488138247d Boris Brezillon 2024-02-29 588 *
de85488138247d Boris Brezillon 2024-02-29 589 * If a group is destroyed it becomes useless: no further jobs can be submitted
de85488138247d Boris Brezillon 2024-02-29 590 * to its queues. We simply wait for all references to be dropped so we can
de85488138247d Boris Brezillon 2024-02-29 591 * release the group object.
de85488138247d Boris Brezillon 2024-02-29 592 */
de85488138247d Boris Brezillon 2024-02-29 593 bool destroyed;
de85488138247d Boris Brezillon 2024-02-29 594
de85488138247d Boris Brezillon 2024-02-29 595 /**
de85488138247d Boris Brezillon 2024-02-29 596 * @timedout: True when a timeout occurred on any of the queues owned by
de85488138247d Boris Brezillon 2024-02-29 597 * this group.
de85488138247d Boris Brezillon 2024-02-29 598 *
de85488138247d Boris Brezillon 2024-02-29 599 * Timeouts can be reported by drm_sched or by the FW. In any case, any
de85488138247d Boris Brezillon 2024-02-29 600 * timeout situation is unrecoverable, and the group becomes useless.
de85488138247d Boris Brezillon 2024-02-29 601 * We simply wait for all references to be dropped so we can release the
de85488138247d Boris Brezillon 2024-02-29 602 * group object.
de85488138247d Boris Brezillon 2024-02-29 603 */
de85488138247d Boris Brezillon 2024-02-29 604 bool timedout;
de85488138247d Boris Brezillon 2024-02-29 605
de85488138247d Boris Brezillon 2024-02-29 606 /**
de85488138247d Boris Brezillon 2024-02-29 607 * @syncobjs: Pool of per-queue synchronization objects.
de85488138247d Boris Brezillon 2024-02-29 608 *
de85488138247d Boris Brezillon 2024-02-29 609 * One sync object per queue. The position of the sync object is
de85488138247d Boris Brezillon 2024-02-29 610 * determined by the queue index.
de85488138247d Boris Brezillon 2024-02-29 611 */
de85488138247d Boris Brezillon 2024-02-29 612 struct panthor_kernel_bo *syncobjs;
de85488138247d Boris Brezillon 2024-02-29 613
de85488138247d Boris Brezillon 2024-02-29 614 /** @state: Group state. */
de85488138247d Boris Brezillon 2024-02-29 615 enum panthor_group_state state;
de85488138247d Boris Brezillon 2024-02-29 616
de85488138247d Boris Brezillon 2024-02-29 617 /**
de85488138247d Boris Brezillon 2024-02-29 618 * @suspend_buf: Suspend buffer.
de85488138247d Boris Brezillon 2024-02-29 619 *
de85488138247d Boris Brezillon 2024-02-29 620 * Stores the state of the group and its queues when a group is suspended.
de85488138247d Boris Brezillon 2024-02-29 621 * Used at resume time to restore the group in its previous state.
de85488138247d Boris Brezillon 2024-02-29 622 *
de85488138247d Boris Brezillon 2024-02-29 623 * The size of the suspend buffer is exposed through the FW interface.
de85488138247d Boris Brezillon 2024-02-29 624 */
de85488138247d Boris Brezillon 2024-02-29 625 struct panthor_kernel_bo *suspend_buf;
de85488138247d Boris Brezillon 2024-02-29 626
de85488138247d Boris Brezillon 2024-02-29 627 /**
de85488138247d Boris Brezillon 2024-02-29 628 * @protm_suspend_buf: Protection mode suspend buffer.
de85488138247d Boris Brezillon 2024-02-29 629 *
de85488138247d Boris Brezillon 2024-02-29 630 * Stores the state of the group and its queues when a group that's in
de85488138247d Boris Brezillon 2024-02-29 631 * protection mode is suspended.
de85488138247d Boris Brezillon 2024-02-29 632 *
de85488138247d Boris Brezillon 2024-02-29 633 * Used at resume time to restore the group in its previous state.
de85488138247d Boris Brezillon 2024-02-29 634 *
de85488138247d Boris Brezillon 2024-02-29 635 * The size of the protection mode suspend buffer is exposed through the
de85488138247d Boris Brezillon 2024-02-29 636 * FW interface.
de85488138247d Boris Brezillon 2024-02-29 637 */
de85488138247d Boris Brezillon 2024-02-29 638 struct panthor_kernel_bo *protm_suspend_buf;
de85488138247d Boris Brezillon 2024-02-29 639
de85488138247d Boris Brezillon 2024-02-29 640 /** @sync_upd_work: Work used to check/signal job fences. */
de85488138247d Boris Brezillon 2024-02-29 641 struct work_struct sync_upd_work;
de85488138247d Boris Brezillon 2024-02-29 642
de85488138247d Boris Brezillon 2024-02-29 643 /** @tiler_oom_work: Work used to process tiler OOM events happening on this group. */
de85488138247d Boris Brezillon 2024-02-29 644 struct work_struct tiler_oom_work;
de85488138247d Boris Brezillon 2024-02-29 645
de85488138247d Boris Brezillon 2024-02-29 646 /** @term_work: Work used to finish the group termination procedure. */
de85488138247d Boris Brezillon 2024-02-29 647 struct work_struct term_work;
de85488138247d Boris Brezillon 2024-02-29 648
de85488138247d Boris Brezillon 2024-02-29 649 /**
de85488138247d Boris Brezillon 2024-02-29 650 * @release_work: Work used to release group resources.
de85488138247d Boris Brezillon 2024-02-29 651 *
de85488138247d Boris Brezillon 2024-02-29 652 * We need to postpone the group release to avoid a deadlock when
de85488138247d Boris Brezillon 2024-02-29 653 * the last ref is released in the tick work.
de85488138247d Boris Brezillon 2024-02-29 654 */
de85488138247d Boris Brezillon 2024-02-29 655 struct work_struct release_work;
de85488138247d Boris Brezillon 2024-02-29 656
de85488138247d Boris Brezillon 2024-02-29 657 /**
de85488138247d Boris Brezillon 2024-02-29 658 * @run_node: Node used to insert the group in the
de85488138247d Boris Brezillon 2024-02-29 659 * panthor_group::groups::{runnable,idle} and
de85488138247d Boris Brezillon 2024-02-29 660 * panthor_group::reset.stopped_groups lists.
de85488138247d Boris Brezillon 2024-02-29 661 */
de85488138247d Boris Brezillon 2024-02-29 662 struct list_head run_node;
de85488138247d Boris Brezillon 2024-02-29 663
de85488138247d Boris Brezillon 2024-02-29 664 /**
de85488138247d Boris Brezillon 2024-02-29 665 * @wait_node: Node used to insert the group in the
de85488138247d Boris Brezillon 2024-02-29 666 * panthor_group::groups::waiting list.
de85488138247d Boris Brezillon 2024-02-29 667 */
de85488138247d Boris Brezillon 2024-02-29 668 struct list_head wait_node;
de85488138247d Boris Brezillon 2024-02-29 @669 };
de85488138247d Boris Brezillon 2024-02-29 670
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