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path: root/drivers/staging/android/sync.h
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* staging: android: Remove unnecessary externsJoe Perches2015-08-151-5/+5
| | | | | | | Using 'extern' is not necessary for function prototypes. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging : android : sync : get_unused_fdHeinrich Schuchardt2014-09-291-1/+2
| | | | | | | | | | | sync.h recommends to use get_unused_fd which does not set O_CLOEXEC while the rest of the android tree uses get_unused_fd_flags and sets O_CLOEXEC. The patch adjust the comment. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* android: convert sync to fence api, v6Maarten Lankhorst2014-07-081-34/+45
| | | | | | | | | | | | | | | | | | | | | | | | | | Just to show it's easy. Android syncpoints can be mapped to a timeline. This removes the need to maintain a separate api for synchronization. I've left the android trace events in place, but the core fence events should already be sufficient for debugging. v2: - Call fence_remove_callback in sync_fence_free if not all fences have fired. v3: - Merge Colin Cross' bugfixes, and the android fence merge optimization. v4: - Merge with the upstream fixes. v5: - Fix small style issues pointed out by Thomas Hellstrom. v6: - Fix for updates to fence api. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Acked-by: John Stultz <john.stultz@linaro.org> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Acked-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: android: split uapi out of sync.h and sw_sync.hColin Cross2014-02-181-84/+2Star
| | | | | | | | | | | | | Move the userspace interfaces of sync.h and sw_sync.h to drivers/staging/android/uapi/ Cc: Greg KH <gregkh@linuxfoundation.org> Cc: Colin Cross <ccross@android.com> Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Colin Cross <ccross@android.com> [jstultz: Fixed up some conflicts from upstream spelling fixes] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging : android : sync : fix a checkpatch warningDaeseok Youn2014-02-111-1/+1
| | | | | | | - WARNING: missing space after return type Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: android: Fix typo in android/sync.hMasanari Iida2013-11-121-25/+25
| | | | | | | | Correct spelling typo in android/sync.h Signed-off-by: Masanari Iida <standby24x7@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: sync: Refactor sync debug printingErik Gilling2013-03-041-6/+13
| | | | | | | | | | | | | | | | Move driver callbacks to fill strings instead of using seq_files. This will allow those values to be used in a future tracepoint patch. Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: sync: Change wait timeout to mirror poll semanticsErik Gilling2013-03-041-4/+4
| | | | | | | | | | | | | | | | Change wait timeout to act like poll Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> [jstultz: Added commit message, squished typo-fix] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: sync: Add reference counting to timelinesErik Gilling2013-03-041-0/+2
| | | | | | | | | | | | | | | | | | If a timeline is destroyed while fences still hold pts on it, the reworked fence release handler can cause the timeline to be freed before all it's points are freed. Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> [jstultz: Squished in compiler warning fix] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: sync: Add internal refcounting to fencesErik Gilling2013-03-041-0/+5
| | | | | | | | | | | | | | | | | | If a fence is released while a timeline that one of it's pts is on is being signaled, it is possible for that fence to be deleted before it is signaled. This patch adds a refcount for internal references such as signaled pt processing. Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: sync: Allow async waits to be canceledErik Gilling2013-03-041-7/+29
| | | | | | | | | | | | | | | | | In order to allow drivers to cleanly handled teardown we need to allow them to cancel pending async waits. To do this cleanly, we move allocation of sync_fence_waiter to the driver calling sync_async_wait(). Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: sync: Add ioctl to get fence dataErik Gilling2013-03-041-0/+57
| | | | | | | | | | | | | | | | Add ioctl to get fence data Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> [jstultz: Commit message tweaks] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: sync: Add debugfs supportErik Gilling2013-03-041-3/+17
| | | | | | | | | | | | | | | | Add support for debugfs Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> [jstultz: Add commit message] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: sync: Add timestamps to sync_ptsErik Gilling2013-03-041-0/+5
| | | | | | | | | | | | | | | | | Add ktime timestamps to sync_pt structure and update them when signaled Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> [jstultz: Added commit message] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging: sync: Add synchronization frameworkErik Gilling2013-03-041-0/+314
Sync is a framework for synchronization between multiple drivers. Sync implementations can take advantage of hardware synchronization built into devices like GPUs. Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> [jstultz: Added commit message, moved to staging, squished minor fix in] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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