| Commit message (Collapse) | Author | Age |
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Bug 1509620
Change-Id: I694fe43ef5d1f4f329d997a3d60e006785374cc3
Signed-off-by: Lauri Peltonen <lpeltonen@nvidia.com>
Reviewed-on: http://git-master/r/439849
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
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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Remove functions that are not used in gk20a allocator.
Bug 1523403
Change-Id: I36b2b236258d61602cb3283b59c43b40f237d514
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/432174
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Check the address range before allocation to avoid illegal address
range.
Bug 1523403
Change-Id: Iff171399a980b69f9b1a18eea5bc37eff4c5d749
Signed-off-by: Kevin Huang <kevinh@nvidia.com>
Reviewed-on: http://git-master/r/437871
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Final netlist for T210 uses NETB firmware for gpu.
Change-Id: Id396f1b6fa53f8d3c7b39ad0f93db230d6ad6d86
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/441355
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Change-Id: Ia780e6a7cb3579f0d6ed2dca9949a349799535fd
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/448115
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Updated GM20B GPCPLL programming sequence to utilize new glitch-less
post divider:
- No longer bypass PLL for re-locking if it is already enabled, and
post divider as well as feedback divider are changing (input divider
change is still under bypass only).
- Use post divider instead of external linear divider to introduce
(VCO min/2) intermediated step when changing PLL frequency.
Bug 1450787
Signed-off-by: Alex Frid <afrid@nvidia.com>
Change-Id: I4fe60f8eb0d8e59002b641a6bfb29a53467dc8ce
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Setup GPCPLL dynamic ramp coefficients based on update rate (instead
of hard-coding), since on GM20B high reference clock 38.4MHz allows
to use several update rates within supported range.
Bug 1450787
Change-Id: I0e14bcb8e3f65cc164fbb66b4adc688fcee9e2d6
Signed-off-by: Alex Frid <afrid@nvidia.com>
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Moved GPCPLL locking under bypass procedure into separate function.
Added SYNC_MODE control during locking.
Bug 1450787
Change-Id: I8dbf9427fbdaf55ea20b6876750b518eb738de1b
Signed-off-by: Alex Frid <afrid@nvidia.com>
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In channel_finish(), we submit WFI for all the channels
including channels with KEPLER_C class.
Since there is no need to submit WFI for channels with
KEPLER_C class, we can optimize to skip submitting
WFI and directly wait on last submit fence
Bug 1534272
Change-Id: I3838416cf22122728e7f1008e01d77b14a35deba
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
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Currently gk20a gets reference of host1x via phandle in
Device Tree. But runtime PM does not seem to be handling power
dependencies too well in this case and hence some times host1x
is off when we need it.
To fix this, exlicitly power on host1x while powering gpu up.
Do this via "busy" and "idle" callbacks from gk20a_platform
Bug 1534272
Bug 200022536
Change-Id: Ia562ee19722cfc8edc5626a5a058ab8edfe3d206
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
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Keep gm20b headers upto date with script output
Change-Id: I0916df7c43616b1d9231436a512290c2fa901d64
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/447725
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bo Yan <byan@nvidia.com>
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Updated GPCPLL parameters according to GM20b specification.
Modified PLL programming, since on GM20b PLL post divider value is
equal to divider setting (which was not the case on GK20a this code
was inherited from).
Bug 1450787
Change-Id: Ia455ac49040047a3dbcd5d5211f2fbc71dc332ae
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/447751
GVS: Gerrit_Virtual_Submit
Reviewed-by: Hoang Pham <hopham@nvidia.com>
Tested-by: Hoang Pham <hopham@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Tested-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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- Set initial output rate to 1/3 of VCO minimum.
- Cleared global BYPASSCTRL to get ready for enabling PLL (this
won't bring PLL out of bypass, since SEL_VCO register is cleared).
- Added debugfs nodes for BYPASSCTRL and SEL_VCO state.
Bug 1450787
Change-Id: I10b068b006b7e9fbdf7854eff0cfd5cfdc1dd546
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/447750
GVS: Gerrit_Virtual_Submit
Reviewed-by: Hoang Pham <hopham@nvidia.com>
Tested-by: Hoang Pham <hopham@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Tested-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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Added masks for GM20b GPCPLL input and post dividers.
Bug 1450787
Change-Id: I39a9c7ffb740fa9ef3a614deb2591412e34ef263
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/447857
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Tested-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Hoang Pham <hopham@nvidia.com>
Reviewed-by: Bo Yan <byan@nvidia.com>
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For LS PMU new ucode needs to be used.
Ucode has interface header file changes too.
This patch also has fixes for pmu dmem copy failure
Bug 1509680
Change-Id: I8c7018f889a82104dea590751e650e53e5524a54
Signed-off-by: Supriya <ssharatkumar@nvidia.com>
Reviewed-on: http://git-master/r/441734
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Used GPU device name in clock get operation (instead of fixed name),
to make operation is common for GK20A and GM20B. Updated clock ids
in tegra clock framework accordingly.
Bug 1450787
Change-Id: Ifd5b9c3a6fd8db5b06e6dcd989285e8410794803
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/441711
Reviewed-by: Bo Yan <byan@nvidia.com>
Tested-by: Bo Yan <byan@nvidia.com>
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Made GK20A and GM20B clock operations static, since they are invoked
only via HAL interfaces.
Bug 1450787
Change-Id: Ia30218ad4244bd8790b5ef96d1963678d0ba39e1
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/441710
Reviewed-by: Bo Yan <byan@nvidia.com>
Tested-by: Bo Yan <byan@nvidia.com>
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Bug 1450787
Change-Id: Id28bd49eadae7b2310410c1676d73b37f57d1443
Signed-off-by: Hoang Pham <hopham@nvidia.com>
Reviewed-on: http://git-master/r/441543
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Bo Yan <byan@nvidia.com>
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This reverts commit 50497d4031103df1067f14ce4c1e14b15713efb9.
Simply returning error from mutex_acquire() causes the code
to call disable_elpg() which decreases elpg refcount
But we already have a race condition between pmu initialization
where we initialize elpg and runlist update where we call
this mutex_acquire and decrease the refcount
As a result of this race and returned error we might mess up
with the elpg refcount and cause abnormal behaviour
Hence revert this change for now until we have clean fix
considering this race as well
Bug 200024116
Change-Id: Ie64ca36f70aba6b15c2acc235a5d36d13c9025aa
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/441793
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
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Bug 1450787
Change-Id: Id7fb699d9129a272286d6bc93e0e95844440a628
Signed-off-by: Hoang Pham <hopham@nvidia.com>
Reviewed-on: http://git-master/r/440536
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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Initialized GK20A clock debugfs after clock support
hardware and software are ready.
Bug 1450787
Change-Id: I8ec2ef303a84b9151b7ce209a1864f1729382a44
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/440973
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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Added SYNC_MODE field, and BYPASSCTRL register; expanded
GPC2CLK_OUT_VCODIV field.
Bug 1450787
Signed-off-by: Alex Frid <afrid@nvidia.com>
Change-Id: Ibf2119a88b0d5f099199920e70b2e88f04b8863b
Reviewed-on: http://git-master/r/440928
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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- gk20a_enable is reading the clock after unlocking the spinlock
to flush any previous write
- This could lead to a race if any write afterwards assume
the write has been completed already
- Read the clock before unlocking to ensure all previous writes
have been completed before letting any other thread use gk20a
Bug 200007520
Change-Id: I737fbbe825c68b25ca256c4a8ee2b99aa8baf0f5
Signed-off-by: Sang-Hun Lee <sanlee@nvidia.com>
Reviewed-on: http://git-master/r/418485
(cherry picked from commit 2aed542a719caa69620766bf2dceefe50626c189)
Reviewed-on: http://git-master/r/437842
Reviewed-by: Mitch Luban <mluban@nvidia.com>
Tested-by: Mitch Luban <mluban@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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This patch adds mm helpers to access compression backing store
from in-kernel shader.
Bug 1409151
Change-Id: Icb4f6dc0b5a35fdb97bc4221ab3657866f775fae
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/440263
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Lauri Peltonen <lpeltonen@nvidia.com>
GVS: Gerrit_Virtual_Submit
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In cases where a kernel channel dies, we can reload the context by
just reloading the golden context buffer. This patch makes necessary
infrastructural changes to support this behaviour.
Bug 1409151
Change-Id: Ibe6a88bf7acea2d3aced2b86a7a687279075c386
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/440262
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Lauri Peltonen <lpeltonen@nvidia.com>
GVS: Gerrit_Virtual_Submit
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This patch modifies channel interfaces to allow allocating the
channel for kernel use. This is needed if we want to run a shader
from kernel space.
Bug 1409151
Change-Id: I3544186bb1541120f85e01a19de106ef011c1b11
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/440261
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Lauri Peltonen <lpeltonen@nvidia.com>
GVS: Gerrit_Virtual_Submit
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In pmu_mutex_acquire(), we return zero (success) if
pmu->initialized is not set
Since mutex_acquire() was successful, we then call
pmu_mutex_release()
If now pmu->initialized is set in some other thread
then we proceed to validate the mutex owner and
end up causing below warning :
pmu_mutex_release: requester 0x00000000 NOT match owner 0x00000008
Hence to fix this return error from mutex_acquire()
and mutex_release() if pmu->initialized is not yet set
and in that case we proceed to call elpg enable/disable
Bug 1533644
Change-Id: Ifbb9e6a8e13f6478a13e3f9d98ced11792cc881f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/439333
GVS: Gerrit_Virtual_Submit
Reviewed-by: Naveen Kumar S <nkumars@nvidia.com>
Tested-by: Naveen Kumar S <nkumars@nvidia.com>
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
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Removed unused, obsolete GK20A cooling device.
Bug 1450787
Change-Id: I5b02546d0405dd518ec841d903e650a8d38db8f2
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/437942
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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Split clk_ops for GK20A and GM20B into different files
Bug 1450787
Change-Id: I34d16c54ac40c70854e80588475434c9e50b51a5
Signed-off-by: Hoang Pham <hopham@nvidia.com>
Reviewed-on: http://git-master/r/437771
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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Used 1kHz resolution (instead of 1 MHz) for GPCPLL programming:
limits specifications, calculating GPCPLL settings, storing target
frequency values, and proving output from debug monitor. Updated
comments in clock header to properly reflect frequency units.
Bug 1450787
Change-Id: Ica58f794b82522288f2883c40626d82dbd794902
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/437943
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Tested-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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gm20b_ltc_cbc_ctrl sent the wrong register value to
clear the CBC.
Bug 1507804
Change-Id: Ib0d867a122466e50cb15fef3b320fb2ee8455ef2
Signed-off-by: Wei Sun <wsun@nvidia.com>
Reviewed-on: http://git-master/r/435297
Reviewed-by: Kevin Huang (Eng-SW) <kevinh@nvidia.com>
Tested-by: Kevin Huang (Eng-SW) <kevinh@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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Add a way to force idle and reset the GPU in case where GPU
rail gating is not supported
(i.e. platform->can_railgate = false)
In this case, we follow below sequence :
- once GPU is idle, get runtime reference which enables the clocks
- call prepare_poweroff() to save the state explicitly
- perform explicit reset assert/deassert
- call finalize_poweron() to restore the state
- drop the runtime reference taken earlier
Bug 1525284
Change-Id: Id5f3ec152093acd585631dfbf785d8e0561f9048
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/435620
GVS: Gerrit_Virtual_Submit
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
Tested-by: Arto Merilainen <amerilainen@nvidia.com>
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Increase the wait delays in do_idle() to 2000 mS and make use
of msleep instead of mdelays
Also, to check if GPU is rail gated or not, add a do-while()
loop which will keep checking the status and bail out as soon
as GPU is rail gated
This increase in delays is required to allow GPU sufficient
time to complete its work and get rail gated
These delays are specially needed during stress testing where
it is possible that a large amount of GPU work is blocked
during do_idle() and then it might take more time to complete
it while next do_idle() is waiting for it
Also, remove waiting on API gk20a_wait_channel_idle() for each
channels since it is sufficient to wait for refcount to be 1
bug 1529160
Change-Id: Ie541485fbdda76d79ae4a75dda928da240fc5d8f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/434192
(cherry picked from commit 5a621bf2aaf3355e1330a662dc98e943d68ef86d)
Reviewed-on: http://git-master/r/435133
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
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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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While we are executing do_idle() API, it is possible that
unrailgate() gets invoked in midst of idling the GPU and
this can result in failure of do_idle()
To prevent simultaneous execution of these methods,
add a mutex railgate_lock and acquire it during
do_idle() and unrailgate() APIs
Also, keep this lock held if do_idle() is successful.
In success, lock will be released in do_unidle(),
otherwise release this lock before returning
Note that this lock should not be held in railgate() API
since we do not want it to be blocked during do_idle()
bug 1529160
Change-Id: I87114b5367eaa217376455a2699c0d21c451c889
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/434190
(cherry picked from commit 561dc8e0933ff2d72573292968b893a52f5f783a)
Reviewed-on: http://git-master/r/435131
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
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Channel and gpfifo allocations are entirely separated from each
other, however, the code here assumes that active channel means
that the channel also has a gpfifo.
This reverts commit a24602f094380539788696d1b1567a4f4d914b17 which
added gpfifo dump. Changing debug dumping to be safe requires
refactoring the channel release code to use proper locking.
Bug 1530226
Change-Id: I2fb02542a17dd56a0a9ce732b327e34b85ade8b9
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/434038
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Shridhar Rasal <srasal@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
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Do not compile non-secure boot code if CONFIG_TEGRA_ACR is defined.
Bug 1524197
Change-Id: Id1ec222e00e2229e1d28e406e4ddad99e368296e
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/433356
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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Dump Falcon trace on PMU Crash and add debugfs node falc_trace.
This needs Debug trace to be enabled in GPmu binary.
Change-Id: I093ef196202958e46d8d9636a848bd6733b5e4cc
Signed-off-by: Vijayakumar <vsubbu@nvidia.com>
Reviewed-on: http://git-master/r/432732
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Tested-by: Bharat Nihalani <bnihalani@nvidia.com>
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This patch adds .is_railgated() callback for the generic gpu platform.
Change-Id: Ief13a6fba82b376aafbe861e8f3823a19bb7f679
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/433059
Reviewed-by: Hiroshi Doyu <hdoyu@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
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This patch adds support to check if the host1x link exists and is
supported using the gpu characteristics ioctl.
Bug 1459653
Change-Id: I832eea217ed7f007e341dfde5769887e0882d6bb
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/433058
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Added sysfs node to update aelpg parameter.
Pass parameter as below sequence,
SAMPLING_PERIOD_PG_DEFAULT_US, MINIMUM_IDLE_FILTER_DEFAULT_US,
MINIMUM_TARGET_SAVING_DEFAULT_US, POWER_BREAKEVEN_DEFAULT_US,
CYCLES_PER_SAMPLE_MAX_DEFAULT
Bug 1464737
Change-Id: I46873c463820f30f190c722d7ed038622cb2710f
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/422702
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Tested-by: Bharat Nihalani <bnihalani@nvidia.com>
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This is to weed out accesses to the GPU while it is gated. Otherwise
the accesses are silently dropped or cause a HW hang (on older chips).
Bug 1514949
Change-Id: Ice4cdb9f1f736978ebb3db847f39c7439bf98134
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/416339
Reviewed-by: Mitch Luban <mluban@nvidia.com>
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Wait for engine idle via FIFO's engine status instead of submitting
WFI to channel. Submitting WFI and waiting is not robust, and wait
might invoke debug dump which cannot be done while powering down.
Bug 1499214
Change-Id: I4d52e8558e1a862ad4292036594d81ebfbd5f36b
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/432151
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Tested-by: Sachin Nikam <snikam@nvidia.com>
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In simulation and emulation 50ms is not enough to ensure a job is
complete. Bump it to 5s when not running on silicon.
Bug 1510751
Change-Id: I90883b70ce2a75a8f07344f713d647b3fa0d0c7d
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/432044
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Chris Dragan <kdragan@nvidia.com>
Tested-by: Chris Dragan <kdragan@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Shridhar Rasal <srasal@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
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Channel class needs to be cleared when a channel is opened. Otherwise
previously used channel remains, and we can accidentally use KEPLER_C
methods even if KEPLER_C is not allocated.
Bug 1487928
Bug 200000669
Change-Id: I3e1ae8d5edbdd82fa569b38a89a89dedb69ee773
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/428866
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Shridhar Rasal <srasal@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
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gr_ctx is nowadays kalloc()'d separately. Adding kfree() to prevent
memory leak.
Bug 1528275
Change-Id: I942812a483adad47e82bc75a7bda5942c30c527a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/428890
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Shridhar Rasal <srasal@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
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Possible race description :
- while PMU is booting, it sends messages to kernel which we process
in gk20a_pmu_isr()
- but when messages are processed it is possible that we are on the way
to rail gate the GPU and we have already called pmu_destroy()
- this could lead to hangs if while processing messages, GR is
already off
To fix this, introduce another mutex isr_enable_lock and a flag to
turn on/off ISRs
- when we enable PMU, get the lock and set the flag
- in pmu_destroy(), get the lock and remove the flag
- in pmu_isr(), take the lock, check if flag is set or not. If flag
is not set return, otherwise proceed with the messages
Bug 200014542
Bug 200014887
Change-Id: I0204d8a00e4563859eebc807d4ac7d26161316ea
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/428371
(cherry picked from commit 9a37528314f2a2504e4530719f817a93db9a5bf0)
Reviewed-on: http://git-master/r/428352
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
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PMU ucode and ACR ucode need 0th ctx dma to be programmed
for Physical access. To stay in sync with ucodes,
modified 0th transcfg to be physical access, and suitably
modified all other ctx dma's sent.
Bug 1509680
Change-Id: Ib3a24ebb8478488af57bb465d782e4045ca7d0d0
Signed-off-by: Supriya <ssharatkumar@nvidia.com>
Reviewed-on: http://git-master/r/432084
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
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