The following series implements fence and converts dma-buf and
android sync to use it. Patch 5 and 6 add support for polling
to dma-buf, blocking until all fences are signaled.
Patches that received some minor updates:
- seqno fence (wait condition member added)
- android (whitespace changes and a comment removed)
- add poll support to dma-buf (added comment)
---
Maarten Lankhorst (6):
fence: dma-buf cross-device synchronization (v17)
seqno-fence: Hardware dma-buf implementation of fencing (v5)
dma-buf: use reservation objects
android: convert sync to fence api, v5
reservation: add support for fences to enable cross-device synchronisation
dma-buf: add poll support, v3
Documentation/DocBook/device-drivers.tmpl | 3
drivers/base/Kconfig | 9
drivers/base/Makefile | 2
drivers/base/dma-buf.c | 130 +++
drivers/base/fence.c | 467 ++++++++++++
drivers/gpu/drm/drm_prime.c | 8
drivers/gpu/drm/exynos/exynos_drm_dmabuf.c | 2
drivers/gpu/drm/i915/i915_gem_dmabuf.c | 2
drivers/gpu/drm/nouveau/nouveau_drm.c | 1
drivers/gpu/drm/nouveau/nouveau_gem.h | 1
drivers/gpu/drm/nouveau/nouveau_prime.c | 7
drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c | 2
drivers/gpu/drm/radeon/radeon_drv.c | 2
drivers/gpu/drm/radeon/radeon_prime.c | 8
drivers/gpu/drm/ttm/ttm_object.c | 2
drivers/media/v4l2-core/videobuf2-dma-contig.c | 2
drivers/staging/android/Kconfig | 1
drivers/staging/android/Makefile | 2
drivers/staging/android/ion/ion.c | 2
drivers/staging/android/sw_sync.c | 4
drivers/staging/android/sync.c | 903 ++++++++----------------
drivers/staging/android/sync.h | 82 +-
drivers/staging/android/sync_debug.c | 247 +++++++
drivers/staging/android/trace/sync.h | 12
include/drm/drmP.h | 2
include/linux/dma-buf.h | 21 -
include/linux/fence.h | 329 +++++++++
include/linux/reservation.h | 20 +
include/linux/seqno-fence.h | 119 +++
include/trace/events/fence.h | 125 +++
30 files changed, 1863 insertions(+), 654 deletions(-)
create mode 100644 drivers/base/fence.c
create mode 100644 drivers/staging/android/sync_debug.c
create mode 100644 include/linux/fence.h
create mode 100644 include/linux/seqno-fence.h
create mode 100644 include/trace/events/fence.h
--
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