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Move the LTC debugfs sync code to the gk20a LTC code.
Change-Id: I145b04e1e8aade170c2e9c6b3beb60774c6124f2
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/366178
(cherry picked from commit c099b4fde779942d7559248c30a2df55aa4fd4f4)
Reviewed-on: http://git-master/r/376515
Reviewed-by: Automatic_Commit_Validation_User
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Kevin Huang (Eng-SW) <kevinh@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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TLB invalidate can have a race if several contexts use the same
address space. One thread starting an invalidate allows another
thread to submit before invalidate is completed.
Bug 1502332
Change-Id: I074ec493eac3b153c5f23d796a1dee1d8db24855
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/407578
Reviewed-by: Riham Haidar <rhaidar@nvidia.com>
Tested-by: Riham Haidar <rhaidar@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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Do not enable HCE priv mode.
Bug 1501689
Change-Id: I3da0ed7c7c1d59ef3e2a8bc727ca531eb22bab11
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/398102
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Mitch Luban <mluban@nvidia.com>
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gk20a_channel_busy is called to host gpu so that gk20a can be accessed.
But it may return error like if gpu fails to be powered on. Always check
the return value of gk20a_channel_busy to avoid illegal access to gk20a.
Bug 1488409
Change-Id: Ie22da9e436ee5ea711003530419f546a73791b73
Signed-off-by: Kerwin Wan <kerwinw@nvidia.com>
Reviewed-on: http://git-master/r/395180
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add infrastructure to allow freeing gpu channels' syncpts at
channel_unbind()
Currently, we free the syncpt at channel_free() only.
But we can free the syncpt when channel becomes idle.
When we do channel_unbind(), channel cannot be scheduled and
hence we can destroy its syncpt.
Channel will request again for new syncpt when it has new work
to do.
This feature will be enabled with boolean flag
syncpt_aggressive_destroy
Bug 1305024
Change-Id: Ib498e2c371e36ffc1430d4f95f2780b4c587e43e
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/395153
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Currently gk20a_channel_idle() drops pm_runtime references to gk20a
and then drops platform dependencies. As we usually delay powering down
gk20a, we may end up to case where the platform dependencies are
turned off at the moment we start powering down gk20a. Power off
sequence may use platform dependencies for informing completion of
the last work, wait-for-idle, and therefore we may simply drop the
information about job completion.
This patch adds missing calls to power up platform dependencies for
the time we submit the last work.
Bug 1484824
Change-Id: I058febc717a1cb1cf96964ce20fb807bc876be6c
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/396286
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Tested-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add abstraction for triggering fake MMU fault, and a gk20a
implementation. Also adds recovery to FE hardware warning
exception to make testing easier.
Bug 1495967
Change-Id: I6703cff37900a4c4592023423f9c0b31a8928db2
Signed-off-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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