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In preparation for better abstraction in job synchronization, drop
support for the dependency fences tracked via submit pre-fences in
semaphore-based syncs. This has only worked for semaphores, not nvhost
syncpoints, and hasn't really been used. The dependency was printed in
the sync framework's sync pt value string.
Remove also the userspace-visible gk20a_sync_pt_info which is not used
and depends on this feature (providing a duration since the dependency
fence's timestamp).
Jira NVGPU-43
Change-Id: Ia2b26502a9dc8f5bef5470f94b1475001f621da1
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1456880
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Add wrapper header nvgpu/types.h. It checks if build is for Linux
kernel and pulls in linux/types.h.
Delete also all #includes for linux/types.h which are not strictly
necessary, and change the remaining ones to use the new wrapper.
JIRA NVGPU-13
Change-Id: I1ddfef0b0b9d840e3e41a62f69c7cb9148d2d5fa
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1453371
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Use the new kmem API functions in misc gk20a code. Some additional
modifications were also made:
o Add a struct gk20a pointer to gk20a_fence to enable proper
kmem free usage.
o Add gk20a pointer to alloc_session() in dbg_gpu_gk20a.c to
use kmem API for allocating a session.
o Plumb a gk20a pointer through the fence creation and deletion.
o Use statically allocated buffers for names in file creation.
Bug 1799159
Bug 1823380
Change-Id: I3678080e3ffa1f9bcf6934e3f4819a1bc531689b
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1318323
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Change the prefix in the semaphore code to 'nvgpu_' since this code
is global to all chips.
Bug 1799159
Change-Id: Ic1f3e13428882019e5d1f547acfe95271cc10da5
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1284628
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
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Some copyright updates have been missed in the header files. This patch
takes care of updating those copyrights.
Bug 1799159
Change-Id: Ie51111a5da5fb1eb12aabe69dc00bfb7caea5aba
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1293354
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Greatly simplify and make more robust the gpu semaphore detection
in sync_fences. Instead of using a magic number use the parent
timeline of sync_pts.
This will also work with multi-GPU setups using nvgpu since the
timeline ops pointer will be the same across all instances of
nvgpu.
Bug 1732449
Reviewed-on: http://git-master/r/1203834
(cherry picked from commit 66eeb577eae5d10741fd15f3659e843c70792cd6)
Change-Id: I4c6619d70b5531e2676e18d1330724e8f8b9bcb3
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1221042
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Allow nvgpu to identify sync_pts that were made by nvgpu so that
the underlying data structures can be accessed. This is important
for the semaphore fast-path that allows nvgpu to skip doing a
long CPU wait on a sync_fence.
Bug 1732449
JIRA DNVGPU-12
Change-Id: Iea43de21d2d7a4e75db6b6dbf24efb78ce64d619
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1162688
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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When moving compression state tracking and compbit management ops to
kernel, we need to attach a fence to dma-buf metadata, along with the
compbit state.
To make in-kernel fence management easier, introduce a new gk20a_fence
abstraction. A gk20a_fence may be backed by a semaphore or a syncpoint
(id, value) pair. If the kernel is configured with CONFIG_SYNC, it will
also contain a sync_fence. The gk20a_fence can easily be converted back
to a syncpoint (id, value) parir or sync FD when we need to return it to
user space.
Change gk20a_submit_channel_gpfifo to return a gk20a_fence instead of
nvhost_fence. This is to facilitate work submission initiated from
kernel.
Bug 1509620
Change-Id: I6154764a279dba83f5e91ba9e0cb5e227ca08e1b
Signed-off-by: Lauri Peltonen <lpeltonen@nvidia.com>
Reviewed-on: http://git-master/r/439846
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add sync_gk20a.c/h that support creating Android sync fence fd's from
gk20a semaphores.
Bug 1445450
Change-Id: I42272996721ceec38ba5510eae6770720bc9dd10
Signed-off-by: Lauri Peltonen <lpeltonen@nvidia.com>
Reviewed-on: http://git-master/r/374843
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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