| Commit message (Collapse) | Author | Age |
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Signed-off-by: Dan Willemsen <dwillemsen@nvidia.com>
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This reverts commit 8eefb93c21934b101d7f423c38d9ea384a45fad6.
Bug 1585422
Change-Id: I217e0ffe6c230ee3c63d9aec1c48ce9c41770468
Signed-off-by: Timo Alho <talho@nvidia.com>
Reviewed-on: http://git-master/r/659426
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gm20b has more channels than sync points. We use aggressive reclaim
of sync points to offset that. Disable aggressive reclaim for gk20a
because it is not needed there.
Bug 1583849
Change-Id: I2a74b0504150a54cb8a97016effe20c5d905ac95
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/657095
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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Fix below sparse warnings :
warning: Using plain integer as NULL pointer
warning: symbol <variable/funcion> was not declared. Should it be static?
warning: Initializer entry defined twice
Also, remove dead functions
Bug 1573254
Change-Id: I29d71ecc01c841233cf6b26c9088ca8874773469
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/593363
Reviewed-by: Amit Sharma (SW-TEGRA) <amisharma@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
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Using KEPLER_C for doing sync point increment has side effects.
It adds a SetObject method, which changes channel state that not all
user space accounts for.
Bug 1462255
Bug 1497928
Bug 1559462
Change-Id: I5c422ad8ca94fba15cad9bd232f7a10d94aa0973
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/554478
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
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This patch fixes a refcounting issue in semaphore handling.
Change-Id: I03327c60ed6923a90663f0b845566e81af4b94d4
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/453056
Reviewed-by: Automatic_Commit_Validation_User
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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gm20b/gm20x requires incrementing syncpoints twice to ensure that
the data has reached memory in all cases. This patch modifies
increment push buffer to account this requirement.
Bug 1491360
Change-Id: I5c2899b26ce0e1cdf9408bb9aaa576fc3054480f
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/437675
Reviewed-by: Automatic_Commit_Validation_User
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gk20a_busy() call in channel_syncpt_incr() and corresponding
gk20a_idle() call in channel_update() are redundant since they
are already encapsulated inside another pair of busy/idle calls
This busy/idle pair will be called only from submit_gpfifo()
and submit_gpfifo() already has its own busy/idle which it
preserves for whole path and hence this redundant pair can be
removed
Also, this prevents a dead lock scenario while do_idle() is in
progress as follows :
- in submit_gpfifo() we call first gk20a_busy() which acquires
busy read semaphore
- in do_idle() we acquire busy write semaphore and wait for
current jobs to finish
- now submit_gpfifo() encounters second gk20a_busy() and requests
busy read semaphore again
- this results in dead lock where do_idle() is waiting for
submit_gpfifo() to complete and submit_gpfifo() is waiting for
busy lock held by do_idle() and hence it cannot complete
bug 1529160
Change-Id: I96e4368352f693e93524f0f61689b4447e5331ea
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/434191
(cherry picked from commit c4315c6caa42bab72ba6017c7ded25f4e9363dec)
Reviewed-on: http://git-master/r/435132
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Tested-by: Sachin Nikam <snikam@nvidia.com>
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Add semaphore implementation of the gk20a_channel_sync interface.
Each channel has one semaphore pool, which is mapped as read-write to
the channel vm. We allocate one or two semaphores from the pool for each
submit.
The first semaphore is only needed if we need to wait for an opaque sync
fd. In that case, we allocate the semaphore, and ask GPU to wait for
it's value to become 1 (semaphore acquire method). We also queue a
kernel work that waits on the fence fd, and subsequently releases the
semaphore (sets its value to 1) so that the command buffer can proceed.
The second semaphore is used on every submit, and is used for work
completion tracking. The GPU sets its value to 1 when the command buffer
has been processed.
The channel jobs need to hold references to both semaphores so that
their backing semaphore pool slots are not reused while the job is in
flight. Therefore gk20a_channel_fence will keep a reference to the
semaphore that it represents (channel fences are stored in the job
structure). This means that we must diligently close and dup the
gk20a_channel_fence objects to avoid leaking semaphores.
Bug 1450122
Bug 1445450
Change-Id: Ib61091a1b7632fa36efe0289011040ef7c4ae8f8
Signed-off-by: Lauri Peltonen <lpeltonen@nvidia.com>
Reviewed-on: http://git-master/r/374844
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Allow suppressing WFI when submitting work and requesting a fence
back.
Bug 1491545
Change-Id: Ic3d061bb4f116cf7ea68dbd6a1b2ace9f11d0ab5
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/390457
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nvhost_get_syncpt_host_managed() creates syncpt name based on
platform_device pointer passed to it
Passing host1x's pointer to this API results in setting gk20a
syncpt names as "host1x_0" which is conflicting
Hence to restore this pass gk20a's device pointer
which gives syncpt names as "gk20a.0_0"
Also, add a syncpt check for sycnpt received.
Bug 1305024
Change-Id: I4ff96c7c9ebff2dca385c5787a85b4a9451b9514
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/410121
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add gk20a as a sub power domain of host1x. This enforces keeping
host1x on when using gk20a.
Bug 200003112
Change-Id: I08db595bc7b819d86d33fb98af0d8fb4de369463
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/407006
(cherry picked from commit 009812b3e510518740e9c7e89b8b8b80439fe26a)
Reviewed-on: http://git-master/r/408013
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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This reverts commit 20d48a759b032116e3092e1df76518065da59879.
Change-Id: I93718a314b70ee9284a83ca69964883e670ad78d
Signed-off-by: Matt Pedro <mapedro@nvidia.com>
Reviewed-on: http://git-master/r/407969
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Currently the gpu driver assumes that the GPU is a child of host1x.
This is an invalid assumption and therefore we need to get the host1x
device from device tree based on nvidia,host1x property.
Bug 1311528
Bug 1434573
Change-Id: I097e39369aaa15ab6652cd23f353f88f7c2b9c48
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/395664
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Set the flag syncpt_aggressive_destroy to enable
destroying syncpts aggressively
Bug 1305024
Change-Id: Iedff9c6bdb6bbe02057972733126ce685daa8d7f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/400234
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Shridhar Rasal <srasal@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add gk20a as a sub power domain of host1x. This enforces keeping
host1x on when using gk20a.
Bug 200003112
Change-Id: I08db595bc7b819d86d33fb98af0d8fb4de369463
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/407543
Reviewed-by: Riham Haidar <rhaidar@nvidia.com>
Tested-by: Riham Haidar <rhaidar@nvidia.com>
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Bug 1503225
Change-Id: I52fd660de9bd251ceb936ad4edc34359753a0074
Signed-off-by: Shridhar Rasal <srasal@nvidia.com>
Reviewed-on: http://git-master/r/399460
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Set syncpt_aggressive_destroy = true and enable gpu channels'
syncpt free at channel_unbind() time.
This is more agrressive level to free a syncpt.
Bug 1305024
Change-Id: I20296590454fcbf6556c5bd08b7e47156f7a1e65
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/395154
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Fix regression caused by commit 67fa249b419d32bfd0873fe5d924f4f01d9048de
"video: tegra: host: Abstract gk20a channel synchronization".
The above change unintentionally modified the channel synchronization
logic so that an nvhost interrupt handler was scheduled also when idling
the channel in gk20a_channel_submit_wfi. That appears to cause
intermittent hangs when running CUDA tests.
Bug 1484824
Change-Id: I4a1f85dd9e6215350f93710a2be9b0bbaef24b8f
Signed-off-by: Lauri Peltonen <lpeltonen@nvidia.com>
Reviewed-on: http://git-master/r/394127
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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add valid syncpt id checks when syncpt id is
extracted from fence fd
Bug 1448825
Change-Id: I0f1722aad60e7644b8f490f24cf18a3b80f8583c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/390572
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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nvhost_get_syncpt_host_managed() creates syncpt name based on
platform_device pointer passed to it
Passing host1x's pointer to this API results in setting gk20a
syncpt names as "host1x_0" which is conflicting
Hence to restore this pass gk20a's device pointer
which gives syncpt names as "gk20a.0_0"
Bug 1305024
Change-Id: I40325f2e4e2d9ea8de1d44e136edcb48a431e45c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/389671
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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This patch moves the NVIDIA GPU driver to a new location.
Bug 1482562
Change-Id: I24293810b9d0f1504fd9be00135e21dad656ccb6
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/383722
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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