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* [Intel-gfx] [PATCH v10 00/15] dma-fence: Deadline awareness
@ 2023-03-08 15:52 Rob Clark
  2023-03-08 15:52 ` [Intel-gfx] [PATCH v10 01/15] dma-buf/dma-fence: Add deadline awareness Rob Clark
                   ` (24 more replies)
  0 siblings, 25 replies; 56+ messages in thread
From: Rob Clark @ 2023-03-08 15:52 UTC (permalink / raw)
  To: dri-devel
  Cc: open list:DOCUMENTATION, Gustavo Padovan, Douglas Anderson,
	Liu Shixin, Rob Clark, Vinod Polimera, Luben Tuikov,
	open list:DRM DRIVER FOR MSM ADRENO GPU, Matt Turner,
	open list:DMA BUFFER SHARING FRAMEWORK, Christian König,
	intel-gfx, Abhinav Kumar, Stephen Boyd,
	moderated list:DMA BUFFER SHARING FRAMEWORK, Rodrigo Vivi,
	open list, Konrad Dybcio, Bas Nieuwenhuizen, Dmitry Baryshkov,
	freedreno

From: Rob Clark <robdclark@chromium.org>

This series adds a deadline hint to fences, so realtime deadlines
such as vblank can be communicated to the fence signaller for power/
frequency management decisions.

This is partially inspired by a trick i915 does, but implemented
via dma-fence for a couple of reasons:

1) To continue to be able to use the atomic helpers
2) To support cases where display and gpu are different drivers

This iteration adds a dma-fence ioctl to set a deadline (both to
support igt-tests, and compositors which delay decisions about which
client buffer to display), and a sw_sync ioctl to read back the
deadline.  IGT tests utilizing these can be found at:

  https://gitlab.freedesktop.org/robclark/igt-gpu-tools/-/commits/fence-deadline


v1: https://patchwork.freedesktop.org/series/93035/
v2: Move filtering out of later deadlines to fence implementation
    to avoid increasing the size of dma_fence
v3: Add support in fence-array and fence-chain; Add some uabi to
    support igt tests and userspace compositors.
v4: Rebase, address various comments, and add syncobj deadline
    support, and sync_file EPOLLPRI based on experience with perf/
    freq issues with clvk compute workloads on i915 (anv)
v5: Clarify that this is a hint as opposed to a more hard deadline
    guarantee, switch to using u64 ns values in UABI (still absolute
    CLOCK_MONOTONIC values), drop syncobj related cap and driver
    feature flag in favor of allowing count_handles==0 for probing
    kernel support.
v6: Re-work vblank helper to calculate time of _start_ of vblank,
    and work correctly if the last vblank event was more than a
    frame ago.  Add (mostly unrelated) drm/msm patch which also
    uses the vblank helper.  Use dma_fence_chain_contained().  More
    verbose syncobj UABI comments.  Drop DMA_FENCE_FLAG_HAS_DEADLINE_BIT.
v7: Fix kbuild complaints about vblank helper.  Add more docs.
v8: Add patch to surface sync_file UAPI, and more docs updates.
v9: Drop (E)POLLPRI support.. I still like it, but not essential and
    it can always be revived later.  Fix doc build warning.
v10: Update 11/15 to handle multiple CRTCs

Rob Clark (15):
  dma-buf/dma-fence: Add deadline awareness
  dma-buf/fence-array: Add fence deadline support
  dma-buf/fence-chain: Add fence deadline support
  dma-buf/dma-resv: Add a way to set fence deadline
  dma-buf/sync_file: Surface sync-file uABI
  dma-buf/sync_file: Add SET_DEADLINE ioctl
  dma-buf/sw_sync: Add fence deadline support
  drm/scheduler: Add fence deadline support
  drm/syncobj: Add deadline support for syncobj waits
  drm/vblank: Add helper to get next vblank time
  drm/atomic-helper: Set fence deadline for vblank
  drm/msm: Add deadline based boost support
  drm/msm: Add wait-boost support
  drm/msm/atomic: Switch to vblank_start helper
  drm/i915: Add deadline based boost support

Rob Clark (15):
  dma-buf/dma-fence: Add deadline awareness
  dma-buf/fence-array: Add fence deadline support
  dma-buf/fence-chain: Add fence deadline support
  dma-buf/dma-resv: Add a way to set fence deadline
  dma-buf/sync_file: Surface sync-file uABI
  dma-buf/sync_file: Add SET_DEADLINE ioctl
  dma-buf/sw_sync: Add fence deadline support
  drm/scheduler: Add fence deadline support
  drm/syncobj: Add deadline support for syncobj waits
  drm/vblank: Add helper to get next vblank time
  drm/atomic-helper: Set fence deadline for vblank
  drm/msm: Add deadline based boost support
  drm/msm: Add wait-boost support
  drm/msm/atomic: Switch to vblank_start helper
  drm/i915: Add deadline based boost support

 Documentation/driver-api/dma-buf.rst    | 16 ++++-
 drivers/dma-buf/dma-fence-array.c       | 11 ++++
 drivers/dma-buf/dma-fence-chain.c       | 12 ++++
 drivers/dma-buf/dma-fence.c             | 60 ++++++++++++++++++
 drivers/dma-buf/dma-resv.c              | 22 +++++++
 drivers/dma-buf/sw_sync.c               | 81 +++++++++++++++++++++++++
 drivers/dma-buf/sync_debug.h            |  2 +
 drivers/dma-buf/sync_file.c             | 19 ++++++
 drivers/gpu/drm/drm_atomic_helper.c     | 37 +++++++++++
 drivers/gpu/drm/drm_syncobj.c           | 64 +++++++++++++++----
 drivers/gpu/drm/drm_vblank.c            | 53 +++++++++++++---
 drivers/gpu/drm/i915/i915_request.c     | 20 ++++++
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 15 -----
 drivers/gpu/drm/msm/msm_atomic.c        |  8 ++-
 drivers/gpu/drm/msm/msm_drv.c           | 12 ++--
 drivers/gpu/drm/msm/msm_fence.c         | 74 ++++++++++++++++++++++
 drivers/gpu/drm/msm/msm_fence.h         | 20 ++++++
 drivers/gpu/drm/msm/msm_gem.c           |  5 ++
 drivers/gpu/drm/msm/msm_kms.h           |  8 ---
 drivers/gpu/drm/scheduler/sched_fence.c | 46 ++++++++++++++
 drivers/gpu/drm/scheduler/sched_main.c  |  2 +-
 include/drm/drm_vblank.h                |  1 +
 include/drm/gpu_scheduler.h             | 17 ++++++
 include/linux/dma-fence.h               | 22 +++++++
 include/linux/dma-resv.h                |  2 +
 include/uapi/drm/drm.h                  | 17 ++++++
 include/uapi/drm/msm_drm.h              | 14 ++++-
 include/uapi/linux/sync_file.h          | 59 +++++++++++-------
 28 files changed, 640 insertions(+), 79 deletions(-)

-- 
2.39.2


^ permalink raw reply	[flat|nested] 56+ messages in thread

end of thread, other threads:[~2023-04-05  7:58 UTC | newest]

Thread overview: 56+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-03-08 15:52 [Intel-gfx] [PATCH v10 00/15] dma-fence: Deadline awareness Rob Clark
2023-03-08 15:52 ` [Intel-gfx] [PATCH v10 01/15] dma-buf/dma-fence: Add deadline awareness Rob Clark
2023-03-10 15:45   ` Jonas Ådahl
2023-03-10 17:38     ` Rob Clark
2023-03-15 13:53       ` Jonas Ådahl
2023-03-15 16:19         ` Rob Clark
2023-03-16  9:26           ` Jonas Ådahl
2023-03-16 16:28             ` Rob Clark
2023-03-16 22:22               ` Sebastian Wick
2023-03-16 22:59                 ` Rob Clark
2023-03-17 15:07                   ` Sebastian Wick
2023-03-17  9:09                 ` Pekka Paalanen
2023-03-17  9:17                   ` Pekka Paalanen
2023-03-17  9:59                     ` Pekka Paalanen
2023-03-17  9:10                 ` Michel Dänzer
2023-03-17 10:23               ` Jonas Ådahl
2023-03-17 15:59                 ` Rob Clark
2023-03-21 13:24                   ` Jonas Ådahl
2023-03-21 14:34                     ` Rob Clark
2023-03-08 15:52 ` [Intel-gfx] [PATCH v10 02/15] dma-buf/fence-array: Add fence deadline support Rob Clark
2023-03-08 15:52 ` [Intel-gfx] [PATCH v10 03/15] dma-buf/fence-chain: " Rob Clark
2023-03-08 15:52 ` [Intel-gfx] [PATCH v10 04/15] dma-buf/dma-resv: Add a way to set fence deadline Rob Clark
2023-03-08 15:52 ` [Intel-gfx] [PATCH v10 05/15] dma-buf/sync_file: Surface sync-file uABI Rob Clark
2023-03-08 15:52 ` [Intel-gfx] [PATCH v10 06/15] dma-buf/sync_file: Add SET_DEADLINE ioctl Rob Clark
2023-03-08 15:52 ` [Intel-gfx] [PATCH v10 07/15] dma-buf/sw_sync: Add fence deadline support Rob Clark
2023-03-28 13:57   ` Tvrtko Ursulin
2023-03-08 15:52 ` [Intel-gfx] [PATCH v10 08/15] drm/scheduler: " Rob Clark
2023-03-08 15:53 ` [Intel-gfx] [PATCH v10 09/15] drm/syncobj: Add deadline support for syncobj waits Rob Clark
2023-03-17 19:08   ` Faith Ekstrand
2023-03-17 19:38     ` Rob Clark
2023-03-18 16:07     ` Rob Clark
2023-03-28 14:24   ` Tvrtko Ursulin
2023-03-08 15:53 ` [Intel-gfx] [PATCH v10 10/15] drm/vblank: Add helper to get next vblank time Rob Clark
2023-03-08 15:53 ` [Intel-gfx] [PATCH v10 11/15] drm/atomic-helper: Set fence deadline for vblank Rob Clark
2023-03-31 20:44   ` Nathan Chancellor
2023-03-31 22:14     ` Rob Clark
2023-03-31 23:30       ` Nathan Chancellor
2023-04-01 15:39         ` Rob Clark
2023-04-04 17:22   ` Dmitry Baryshkov
2023-04-04 19:16     ` Daniel Vetter
2023-04-04 21:53       ` Dmitry Baryshkov
2023-04-05  7:58         ` Daniel Vetter
2023-03-08 15:53 ` [Intel-gfx] [PATCH v10 12/15] drm/msm: Add deadline based boost support Rob Clark
2023-03-08 15:53 ` [Intel-gfx] [PATCH v10 13/15] drm/msm: Add wait-boost support Rob Clark
2023-03-08 15:53 ` [Intel-gfx] [PATCH v10 14/15] drm/msm/atomic: Switch to vblank_start helper Rob Clark
2023-03-08 15:53 ` [Intel-gfx] [PATCH v10 15/15] drm/i915: Add deadline based boost support Rob Clark
2023-03-09 10:21 ` [Intel-gfx] [PATCH v10 00/15] dma-fence: Deadline awareness Pekka Paalanen
2023-03-14 11:32 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for " Patchwork
2023-03-14 12:18 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2023-03-15 16:01 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2023-03-16 21:22 ` [Intel-gfx] [PATCH v10 00/15] " Rob Clark
2023-03-27 19:05 ` Matt Turner
2023-04-04 21:07 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for dma-fence: Deadline awareness (rev2) Patchwork
2023-04-04 21:07 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2023-04-04 21:17 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2023-04-05  5:46 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork

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