The following series implements fence and converts dma-buf and
android sync to use it. Patch 6 and 7 add support for polling
to dma-buf, blocking until all fences are signaled.
I've dropped the extra patch to copy an export from the core,
and instead use the public version of it. I've had to fix
some fallout from the rebase, hopefully everything's clean now,
and ready for -next.
---
Maarten Lankhorst (6):
fence: dma-buf cross-device synchronization (v17)
seqno-fence: Hardware dma-buf implementation of fencing (v4)
dma-buf: use reservation objects
android: convert sync to fence api, v3
reservation: add support for fences to enable cross-device synchronisation
dma-buf: add poll support, v2
Documentation/DocBook/device-drivers.tmpl | 3
drivers/base/Kconfig | 9
drivers/base/Makefile | 2
drivers/base/dma-buf.c | 123 +++
drivers/base/fence.c | 465 +++++++++++++
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/sw_sync.c | 4
drivers/staging/android/sync.c | 892 ++++++++----------------
drivers/staging/android/sync.h | 80 +-
drivers/staging/android/sync_debug.c | 245 +++++++
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 | 18
include/linux/seqno-fence.h | 109 +++
include/trace/events/fence.h | 125 +++
29 files changed, 1822 insertions(+), 657 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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