| Commit message (Collapse) | Author | Age |
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When validating buffers to be mapped, check that the buffer end does not
overflow over the virtual address node space.
Bug 1562361
Change-Id: I3c78ec7380584ae55f1e6bf576f524abee846ddd
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
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-Change cde_buf to use writecombined cpu mapping.
-Since reading writecombined cpu data is still slow, avoid reads in
gk20a_replace_data by checking whether a patch overwrites a whole
word.
-Remove unused distinction between src and dst buffers in cde_convert.
-Remove cde debug dump code as it causes a perf hit.
Bug 1546619
Change-Id: Ibd45d9c3a3dd3936184c2a2a0ba29e919569b328
Signed-off-by: Jussi Rasanen <jrasanen@nvidia.com>
Reviewed-on: http://git-master/r/553233
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
Tested-by: Arto Merilainen <amerilainen@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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GK20A PMU is not supported in GPU client for virtualization. However,
to make native case and virtualization case can share same defconfig and
kernel image, we need to enable CONFIG_GK20A_PMU and
CONFIG_GK20A_DEVFREQ in defconfig. This commit changes to detect if we
should disable GK20A PMU support in run time.
Bug 200041597
Change-Id: I292c647303ed57af6faa1c5671037ca27b48e31e
Signed-off-by: Haley Teng <hteng@nvidia.com>
Reviewed-on: http://git-master/r/553653
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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bug 200040021
polling halt irq to check for hs bin completion
keep irqs disabled to avoid executing irq handler
Change-Id: Ic245d89580444dcbf1cf5ec34bfe0f8b0c5bbc0f
Signed-off-by: Vijayakumar <vsubbu@nvidia.com>
Reviewed-on: http://git-master/r/554659
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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When initializing fifo, we ignore several error conditions. Add
checks for them.
Change-Id: Id67f3ea51e3d4444b61a3be19553a5541b1d1e3a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/553269
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If engine status is in context switch in the fifo mmu fault handler,
dump falcon stats and gr stats for each engine.
Bug 1544766
Change-Id: Idfa9772b7e67072941144ac3bdd73e791fdc2b23
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/553205
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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old value is for 1 SMs so on gm20b with 2 SMs it resulted in half zcull coverage
bug 1553171
Change-Id: I269f9a333a059b2ef533672df63ccaa90b2d00c7
Signed-off-by: David Li <davli@nvidia.com>
Reviewed-on: http://git-master/r/500517
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Modify GPU detection in 3demc-bw-ratio to use the SOC Id.
Bug 1364894
Change-Id: If52e8c5153e76b29d67d28c52303b095df2e8bf0
Signed-off-by: Samuel Russell <samuelr@nvidia.com>
Reviewed-on: http://git-master/r/542770
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Implement empty or -ENOSYS functions for vgpu if
CONFIG_TEGRA_GR_VIRTUALIZATION is not enabled, and remove ifdefs around
the calling code.
Change-Id: Idc75c9bc486d661786bc222bd9e0380aa7766e78
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/552898
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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bug 200042729
Change-Id: Ic4b4fa4c25f4017a69355e7f03a3f25d4ce92cff
Signed-off-by: Vijayakumar <vsubbu@nvidia.com>
Reviewed-on: http://git-master/r/552554
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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At this stage, ctxsw is always in reset state, because we're powering GPU
up, or we have reset the whole GR partition. Remove the code to invoke a
second reset.
Fix waiting for FE idle. We should wait after each bundle, and break if any
iteration fails.
Change-Id: I0846f67c6d860a485dea62ff870deafe55a47365
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/552799
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The return value of gk20a_busy must be checked since it may not succeed
in some cases. Add the __must_check attribute that generates a compiler
warning for code that does not read the return value and fix all uses of
the function to take error cases into account.
Bug 200040921
Change-Id: Ibc2b119985fa230324c88026fe94fc5f1894fe4f
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/542552
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Enable Adaptive Engine Level Power Gating power
feature for gm20b.
Bug 1552466
Change-Id: I2659f80a567699eff64307800710d4978d02adc1
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/501343
Reviewed-by: Mitch Luban <mluban@nvidia.com>
Tested-by: Mitch Luban <mluban@nvidia.com>
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Expose a debugfs entry pmu_security. It allows checking if PMU was
booted in secure or non-secure mode.
Change-Id: Iea584b696440779bee0900edccabd4e5b2997805
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/552456
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Move nvgpu ioctls from the many user space interface headers to a new
single nvgpu.h header under include/uapi. No new code or replaced names
are introduced; this change only moves the definitions and changes
include directives accordingly.
Bug 1434573
Change-Id: I4d02415148e437a4e3edad221e08785fac377e91
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/542651
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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To help remove the nvhost dependency from nvgpu, rename ioctl defines
and structures used by nvgpu such that nvhost is replaced by nvgpu.
Duplicate some structures as needed.
Update header guards and such accordingly.
Change-Id: Ifc3a867713072bae70256502735583ab38381877
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/542620
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Proper error number for invalid request number is EINVAL instead of
EFAULT, so change it in ioctl calls.
Change-Id: I8fddd34e012700550e9e30fe17ba7152b3a0417b
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/542563
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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check gk20a_busy return value in cde converter code paths.
Bug 200040921
Change-Id: Ibad36df5877e325636a0a6ccc30c0d3d076ca941
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/540006
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Change CDE swizzling shader kernel size to 8x8 to avoid waste with
relatively small surfaces.
Map compbit backing store and destination surface as cacheable.
Clean up kernel size calculation.
Bug 1546619
Change-Id: Ie97c019b4137d2f2230da6ba3034387b1ab1468a
Signed-off-by: Jussi Rasanen <jrasanen@nvidia.com>
Reviewed-on: http://git-master/r/501158
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
Tested-by: Arto Merilainen <amerilainen@nvidia.com>
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Added basic support for GM20b GPCPLL noise-aware(NA) mode. In this
mode PLL internal DVFS mechanism is engaged, and output frequency is
scaled with voltage automatically. The scaling coefficients in this
commit are preliminary, pending characterization.
If NA mode is enabled, any frequency change is done under PLL bypass,
with no dynamic ramp allowed.
This commit kept NA mode disabled.
Bug 1555318
Change-Id: I8d96a10006155635797331bae522fb048d3dc4a0
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/499488
GVS: Gerrit_Virtual_Submit
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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Channel gpfifo cannot be submitted if the channel has no vm, so add a
check for it and bail out if no as is bound. Clean up other similar
checks too.
Change-Id: Ibb0fe08e44e34bbaaa00ebd02dce6cc4d93ca5d9
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/538887
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add debug events for measuring the duration of gk20a channel open and
channel ioctl calls.
Bug 200035111
Change-Id: Ib4837c745e73ee1690814d60bdca021821567153
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/538768
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Unlock mutex upon queue full then return -EAGAIN.
Bug 1551294
Change-Id: I2a06a99028f98e6602a4cc27d15015bfe1db4eda
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/501235
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Tested-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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nvhost_sync_create_fence returns ERR_PTRs instead of NULLs on error;
check for its errors with IS_ERR.
Change-Id: I9752e0d8fa703b2872918b23721ae973be58bf35
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/533794
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
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Retrieve channel count from gm20b specific header instead of the
gk20a header. This increases channel count from 128 to 512.
Change-Id: I96d4887432852795f7f526e33f0d3d2458f3af0e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/500623
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Change loglevel of text for invalid ioctl to dbg.
Bug 20038780
Change-Id: I0a2ba97d9c21b2225f8d3db59c80b70c2f2c679e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/501171
GVS: Gerrit_Virtual_Submit
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Allocate four channels for cde jobs.
Bug 1546619
Change-Id: Id2637f71426f42c2d553d38cd74873b9f0628b55
Signed-off-by: Lauri Peltonen <lpeltonen@nvidia.com>
Reviewed-on: http://git-master/r/499671
Reviewed-by: Jussi Rasanen <jrasanen@nvidia.com>
Tested-by: Jussi Rasanen <jrasanen@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Fix calculation of the debug buffer address.
Bug 1551221
Change-Id: I8d7921070549a1689dba0675d83bfdbf76ba5193
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/500705
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Riku Salminen <rsalminen@nvidia.com>
Tested-by: Riku Salminen <rsalminen@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
GVS: Gerrit_Virtual_Submit
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Boards require a rework to make railgating and DVFS work realiably.
The information whether the board has been reworked or not will be
available on DTS.
This patch adds a DTS check to the GPU driver initialisation. If the
rework information is not available (or the rework has been marked as
disabled), railgating and DVFS are disabled.
Bug 1555485
Change-Id: Ie86fe35fb94377403472faffcbcaec645b6e40d9
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/500218
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Invalid method needs to be cleared in gm20b to prevent getting same
interrupt again.
Change-Id: I4d83d1a27e5c711b5d82b95552be84d5f16a13e0
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/500286
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Restrict reading of FE object table to the number of entries
available.
Change-Id: I11275ecd14e53f0b763d00d65042adb4b1e8ae6f
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/449306
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Runlist event is not sent in gm20b for updated runlist. Polling is
the preferred way also for gk20a.
Bug 1555239
Change-Id: I60de084db69f848f63451f1f3078f183ca51ba50
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/500241
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Add poll interface and control ioctls for waiting for GPU job completion
via semaphores.
Poll on a gk20a channel file waits for events from pending semaphore
interrupts (stalling) of that channel. New ioctls enable and disable the
events, and clear a single interrupt event so that next poll doesn't
wake up for it again.
Bug 1528781
Change-Id: I5c6238966b5d0900c8ab263c6a7f8f2611901f33
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/497750
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Expose supported nvgpu ioctls to userspace via bits in the flags field
of nvhost_gpu_characteristics; currently define two bits for special
memory allocation support.
Bug 1539747
Change-Id: I1bc9333b12825d07a00b7a4136ae9d35816a5855
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/495942
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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If allow_all is set, skip regops address validation.
Change-Id: I42d6c9f1a5d2c8d9bc6783adff5f6048c45350f6
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/499221
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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L2 bypass registers have moved in gm20b. Move the code to
ltc_common.c, which gets compiled once per chip version.
Change-Id: I0ab4dd03c78b8ad8abc7a7b18c094b6002827587
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/499220
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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Enable Engine Level Power Gating power
feature for gm20b.
Bug 1552466
Change-Id: Ief9cf648270412f7a9f6f5b28a1fce08effdd670
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/499541
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Enable Second Level Clock Gating power
feature for gm20b.
Bug 1552466
Change-Id: I34a3d93a98f7b784ab26fb7940d50db262b35f57
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/499540
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Enable Engine Level Clock Gating power
feature for gm20b.
Bug 1552466
Change-Id: I6f0bc565700bfd183c703fc35389188906842a4e
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/499539
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Enable Block Level Clock Gating power
feature for gm20b.
Bug 1552466
Change-Id: Ibdd611bc2932ae9c3ce2c0d9eb847fa46a3759c7
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/499538
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Use TSG specific API gk20a_fifo_recover_tsg() in following cases :
- IOCTL_CHANNEL_FORCE_RESET
to force reset a channel in TSG, reset all the channels
- handle pbdma intr
while resetting in case of pbdma intr, if channel is part of
TSG, recover entire TSG
- TSG preempt failure
when TSG preempt times out, use TSG recover API
Use preempt_tsg() API to preempt if channel is part of TSG
Add below two generic APIs which will take care of preempting/
recovering either of channel or TSG as required
gk20a_fifo_preempt()
gk20a_fifo_force_reset_ch()
Bug 1470692
Change-Id: I8d46e252af79136be85a9a2accf8b51bd924ca8c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/497875
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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- add support to handle MMU faults on a channel in TSG
- first get the ID and type of channel that engine is running
- if TSG, abort each channel in it
- if regular channel, abort that channel
- also, add two versions of API set_ctx_mmu_error(), one for
regular channel and another for TSG
Bug 1470692
Change-Id: Ia7b01b81739598459702ed172180adb00e345eba
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/497874
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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- add and export API "gk20a_fifo_recover_tsg()" to
recover a TSG
- if TSG is running on any engine, then trigger MMU fault
on those engines
- otherwise, abort each channel in TSG
- modify channel specific API engines_on_ch() to generic
engines_on_id() which will take an ID and a flag to specify
whether ID is for channel or TSG and return engines running
on that ID
- modify channel specific API get_faulty_channel() to generic
get_faulty_id_type() which will take pointers to ID and type
of ID (either a regular channel or TSG)
- remove runlist update from recover_ch() since
no need to touch runlist during recovery
- set error notifier first and then only abort the channels
for TSG recovery path
- also, add necessary accessors to get engine
status type as TSG
Bug 1470692
Change-Id: I7137f611f80916b3d256d4b0dc6e5cf1e93eef6f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/497873
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Provide sysedp_dynamic_capping with the instantaneous GPU frequency
when notifying it of the GPU load. Modify the gpu/cpu priority
decision logic to choose CPU priority until GPU frequency gets "near"
the CPU-priority-limited-GPU-fmax. Introduce the priority_bias debugfs
parameter to facilitate tuning of "near". priority_bias takes a value
from 0 to 100.
Change-Id: Ia2cba36b8ea024fb8b01b5ba195dcf6550e38121
Signed-off-by: Matt Longnecker <mlongnecker@nvidia.com>
Reviewed-on: http://git-master/r/481720
GVS: Gerrit_Virtual_Submit
Reviewed-on: http://git-master/r/498912
Reviewed-by: Timo Alho <talho@nvidia.com>
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The compression state tracking user space API already accepts and
returns the ZBC color used for the surface. Actually store the color
in kernel so that the feature works.
Bug 1536227
Bug 1524301
Change-Id: I264e1eeb90f0c4d40fe35fc2479b0ce83e19a7d7
Signed-off-by: Lauri Peltonen <lpeltonen@nvidia.com>
Reviewed-on: http://git-master/r/497476
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Tested-by: Jussi Rasanen <jrasanen@nvidia.com>
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Defer CDE app initialization to the point where we actually need to
launch the app. This allows us to use the compression state API also on
T124 where we never use the CDE app.
Also return the error code correctly from gk20a_prepare_compressible_read.
Bug 1524301
Change-Id: If79fbe161e8dc9353b9f5fa0dfcd7f30b00d29b4
Signed-off-by: Lauri Peltonen <lpeltonen@nvidia.com>
Reviewed-on: http://git-master/r/497351
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Jussi Rasanen <jrasanen@nvidia.com>
Tested-by: Jussi Rasanen <jrasanen@nvidia.com>
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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dma_buf_get returns PTR_ERRs, so fix checking for null to proper IS_ERR
in gk20a_vm_map_buffer. Buffer mapping from user space with ioctls would
also have paniced here if an improper handle would be passed.
Change-Id: I245fe41cd209e49fc9265e56340c1c8215ffb1d2
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/498320
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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If a channel is already scheduled as regular channel, we should not
allow it to be marked as TSG since it will fail book keeping of
number of active channels in a TSG
This way we can force to bind the channels first and then only
make them active
Also, remove duplicate function declaration added during branch merge
and one unnecessary comparison with zero
Bug 1470692
Change-Id: I88f9678919e4b76de472c6dda21e4537520241c4
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/497903
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add refcounting for TSGs and manage the refcounts as below :
- initialize ref when TSG is opened
- get ref when channel is bound to TSG
- drop the ref when channel is unbound (i.e. during channel close)
- drop the ref when TSG is closed
- when refcount drops to zero, we free the TSG
This refcounting makes it possible to close channels or TSG
in any order
Bug 1470692
Change-Id: Ia4b39164a4582c8169da62a91b9131094c67f5f8
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/495667
(cherry picked from commit be1e198a663d2102e9674978f3d2cca0f2327a6b)
Reviewed-on: http://git-master/r/495955
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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