| Commit message (Collapse) | Author | Age |
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Add new operaton g->ops.mm.set_debug_mode and let other places
that set debug mode call this callback.
It's preparing for adding vgpu set mmu debug mode hook.
JIRA VFND-1005
Bug 1594604
Change-Id: I1d227a0c0f96adb0035ae16ae1f4fbfa739bf0a7
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/833497
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>
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Implement NVGPU_GPU_IOCTL_ALLOC_AS_FLAGS_USERSPACE_MANAGED, which
enables creating userspace-managed GPU address spaces.
When an address space is marked as userspace-managed, the following
changes are in effect:
- Only fixed-address mappings are allowed.
- VA space allocation for fixed-address mappings is not required,
except to mark space as sparse.
- Maps and unmaps are always immediate. In particular, the mapping
ref increments at kickoffs and decrements at job completion are
skipped.
Bug 1614735
Bug 1623949
Bug 1660392
Change-Id: I834fe19b3f65e9b02c268952383eddee0e465759
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: http://git-master/r/738558
Reviewed-on: http://git-master/r/833253
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Do ZBC updates without forcing engine idle first.
Bug 1698013
Change-Id: I99218c8cfd02be05dace2003b8d91921765f7ca9
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/829145
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G_ELPG_FLUSH is protected in some chips. Use L2 flush operations
instead.
Bug 1698618
Change-Id: I984a8ace8bcd0ad2d4a4e2d63af75a342bdeb75a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/828656
(cherry picked from commit ba9075fa43975112a221d37d246f0b8f5af40fab)
Reviewed-on: http://git-master/r/829415
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Instead of depending on clock frame-work, use platform data
for ptimer source rate. Removed ptimerscaling10x platform
data, and use ptimer source frequency to calculate
ptimerscaling factor.
Reviewed-on: http://git-master/r/819030
(cherry picked from commit dd291334d54dab80cab7eb1656dffc48a59610b4)
Change-Id: I7638ce9875a6e440bbfc2ba2da0d0b094b2700ff
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/827300
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add IOCTL NVGPU_DBG_GPU_IOCTL_TIMEOUT to support
disabling/re-enabling scheduler timeout from user space
If user space application is closed without re-enabling
the timeouts, kernel will restore the timeouts' state
while releasing the debug session
This is needed for debugging purpose
Bug 1514061
Change-Id: I32efb47ad09d793f3e7fd8f0aaa9720c8bc91272
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/788176
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add required fileds and values for thermal slow-down
settings in thermal header file and implemented chip
specific thermal register programming
Reviewed-on: http://git-master/r/822199
(cherry picked from commit 9e8a745b8295af002b9780c83caa8dc7b22cc737)
Change-Id: I016b18ed230fa6c104eada2e166ccd1a5f2ace36
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/823012
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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At zcull bind we disable whole GR engine. This is unnecessary, so
instead disable only the channel and make sure it's unloaded.
Introduces also an API in fifo_gk20a.c to do the channel disable.
gr_gk20a_ctx_zcull_setup() was always passed true as last parameter,
so remove parameter.
Change-Id: I7ae6e101ec7d1ab3f6ee4e9bcc442d23dbd21247
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/787570
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Adding support to remove bar2 mm on gpu module
remove.
Change-Id: Id5f680b1abf7056da9871d5460d9fbc40422673e
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/814571
(cherry picked from commit e7c6c87dd6b0893d26a9a3b4568121a691e1eb3c)
Reviewed-on: http://git-master/r/815429
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Scale timeslice register value based on platform
specific ptimer scale koefficient.
Expose timeslice values through debugfs to simplify performance
tuning.
bug 1605552
bug 1603226
Change-Id: I49f86f22d58d26a366ee1b5f5a9ab9d7f896ad25
Signed-off-by: Kirill Artamonov <kartamonov@nvidia.com>
Reviewed-on: http://git-master/r/800007
(cherry picked from commit 00c85ef24cf28ffaa81eb53fff7edef1c699220a)
Reviewed-on: http://git-master/r/808251
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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bug 1603226
host based timeouts use ptimer for detecting
timeouts. on gk20a and gm20b ptimer runs 2.6x
slower. scale the fifo_eng_timeout to account
for this
Change-Id: Ie44718382953e36436ea47d6e89b9a225d5c2070
Signed-off-by: Vijayakumar <vsubbu@nvidia.com>
Reviewed-on: http://git-master/r/799983
(cherry picked from commit d1d837fd09ff0f035feff1757c67488404c23cc6)
Reviewed-on: http://git-master/r/808250
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Bug 1689806
Change-Id: I368ad8fb64e49b21ba61c519def1f86e1ca6e492
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/806116
(cherry picked from commit 1a3bbe989a795d379703e7f4b915f6e1bb38c2c3)
Reviewed-on: http://git-master/r/805480
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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- Required init param to start elpg
- change in statistics dump
Bug 1684939
Change-Id: I26dca52079f08b8962e9cb758831910207610220
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/802456
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/806179
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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In case of CDE channel, T1 (Tex) unit needs to be promoted to 128B
aligned, otherwise causes a HW deadlock. Gpu driver makes changes in
FECS header which FECS uses to configure the T1 promotions to aligned
128B accesses.
Bug 200096226
Change-Id: I8a8deaf6fb91f4bbceacd491db7eb6f7bca5001b
Signed-off-by: sujeet baranwal <sbaranwal@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: sujeet baranwal <sbaranwal@nvidia.com>
Reviewed-on: http://git-master/r/804625
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add support for CDE scatter buffers. When the bus addresses for
surfaces are not contiguous as seen by the GPU (e.g., when SMMU is
bypassed), CDE swizzling needs additional per-page information. This
information is populated in a scatter buffer when required.
Bug 1604102
Change-Id: I3384e2cfb5d5f628ed0f21375bdac8e36b77ae4f
Signed-off-by: Jussi Rasanen <jrasanen@nvidia.com>
Reviewed-on: http://git-master/r/789436
Reviewed-on: http://git-master/r/791243
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Implement per-channel watchdog/timer as per below rules :
- start the timer while submitting first job on channel or if
no timer is already running
- cancel the timer when job completes
- re-start the timer if there is any incomplete job left
in the channel's queue
- trigger appropriate recovery method as part of timeout
handling mechanism
Handle the timeout as per below :
- get timed out channel, and job data
- disable activity on all engines
- check if fence is really pending
- get information on failing engine
- if no engine is failing, just abort the channel
- if engine is failing, trigger the recovery
Also, add flag "ch_wdt_enabled" to enable/disable channel
watchdog mechanism. Watchdog can also be disabled using
global flag "timeouts_enabled"
Set the watchdog time to be 5s using macro
NVGPU_CHANNEL_WATCHDOG_DEFAULT_TIMEOUT_MS
Bug 200133289
Change-Id: I401cf14dd34a210bc429f31bd5216a361edf1237
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/797072
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Bug 200137618
Change-Id: I18b980876e93c3f7287082701e1d2b998cd33114
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/798777
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Cyclestats snapshot feature is expected for new devices.
The detection code was isolated in separate function and run-time
check added to validate/allow ioctl calls on the current GPU.
Bug 1674079
Change-Id: Icc2f1e5cc50d39b395d31d5292c314f99d67f3eb
Signed-off-by: Leonid Moiseichuk <lmoiseichuk@nvidia.com>
Reviewed-on: http://git-master/r/781697
(cherry picked from commit bdd23136b182c933841f91dd2829061e278a46d4)
Reviewed-on: http://git-master/r/793630
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Inject function addresses of gk20a_do_idle and
gk20a_do_unidle once the nvgpu module loads.
Bug 1476801
Change-Id: I67a8ae7fb654524616c2c2c710013cbc097a3f32
Signed-off-by: Yogesh Bhosale <ybhosale@nvidia.com>
Reviewed-on: http://git-master/r/785047
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Bug 1667322
Accommodate for transcfg address change
Change-Id: I7054202b8ce3be1a3fbfe0465e662be6f9740eb3
Signed-off-by: Supriya <ssharatkumar@nvidia.com>
Reviewed-on: http://git-master/r/780326
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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This patch inserts the function address of
gk20a_debug_dump_device into host data struct once
the nvgpu module loads and removes it during unload.
Bug 1476801
Change-Id: If49262208325b2aa0807705c26086e6d7c81632c
Signed-off-by: Yogesh Bhosale <ybhosale@nvidia.com>
Reviewed-on: http://git-master/r/779397
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
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Add gpu_ops for CDE, and add get_program_numbers function pointer for
determining horizontal and vertical CDE swizzler programs. This allows
different GPUs to have their own specific requirements for choosing
the CDE firmware programs.
Bug 1604102
Change-Id: Ib37c13abb017c8eb1c32adc8cbc6b5984488222e
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: http://git-master/r/784899
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Implement support for privileged pages. Use them for kernel allocated buffers.
Change-Id: I720fc441008077b8e2ed218a7a685b8aab2258f0
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/761919
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Clock bypass divider was changed just before resetting priv ring.
Move the code to a new clk op instead so that it is executed only on
gk20a.
Change-Id: Ic8084a4a5fac23770f50b50f910ced2543ba0f28
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/764970
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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Add batch support for mapping and unmapping. Batching essentially
helps transform some per-map/unmap overhead to per-batch overhead,
namely gk20a_busy()/gk20a_idle() calls, GPU L2 flushes, and GPU TLB
invalidates. Batching with size 64 has been measured to yield >20x
speed-up in low-level fixed-address mapping microbenchmarks.
Bug 1614735
Bug 1623949
Change-Id: Ie22b9caea5a7c3fc68a968d1b7f8488dfce72085
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: http://git-master/r/733231
(cherry picked from commit de4a7cfb93e8228a4a0c6a2815755a8df4531c91)
Reviewed-on: http://git-master/r/763812
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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bug 200080684
use new cmd defined in ucode for loading
GR falcons. flip PRIV load flag in lsb
header to indicate using dma. use pmu msg
as cmd completion for new cmd instead of
polling fecs mailbox. also move
check for using dma in non secure boot path
to hal.
Change-Id: I22582a705bd1ae0603f858e1fe200d72e6794a81
Signed-off-by: Vijayakumar <vsubbu@nvidia.com>
Reviewed-on: http://git-master/r/761625
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add reference counting for channels, and wait for reference count to
get to 0 in gk20a_channel_free() before actually freeing the channel.
Also, change free channel tracking a bit by employing a list of free
channels, which simplifies the procedure of finding available channels
with reference counting.
Each use of a channel must have a reference taken before use or held
by the caller. Taking a reference of a wild channel pointer may fail, if
the channel is either not opened or in a process of being closed. Also,
add safeguards for protecting accidental use of closed channels,
specifically, by setting ch->g = NULL in channel free. This will make it
obvious if freed channel is attempted to be used.
The last user of a channel might be the deferred interrupt handler,
so wait for deferred interrupts to be processed twice in the channel
free procedure: once for providing last notifications to the channel
and once to make sure there are no stale pointers left after referencing
to the channel has been denied.
Finally, fix some races in channel and TSG force reset IOCTL path,
by pausing the channel scheduler in gk20a_fifo_recover_ch() and
gk20a_fifo_recover_tsg(), while the affected engines have been identified,
the appropriate MMU faults triggered, and the MMU faults handled. In this
case, make sure that the MMU fault does not attempt to query the hardware
about the failing channel or TSG ids. This should make channel recovery
more safe also in the regular (i.e., not in the interrupt handler) context.
Bug 1530226
Bug 1597493
Bug 1625901
Bug 200076344
Bug 200071810
Change-Id: Ib274876908e18219c64ea41e50ca443df81d957b
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: http://git-master/r/448463
(cherry picked from commit 3f03aeae64ef2af4829e06f5f63062e8ebd21353)
Reviewed-on: http://git-master/r/755147
Reviewed-by: Automatic_Commit_Validation_User
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For both adding and querying zbc entry, added callbacks in gr ops.
Native gpu driver (gk20a) and vgpu will both hook there. For vgpu, it
will add or query zbc entry from RM server.
Bug 1558561
Change-Id: If8a4850ecfbff41d8592664f5f93ad8c25f6fbce
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/732775
(cherry picked from commit a3787cf971128904c2712338087685b02673065d)
Reviewed-on: http://git-master/r/737880
(cherry picked from commit fca2a0457c968656dc29455608f35acab094d816)
Reviewed-on: http://git-master/r/753278
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Pass flags parameter to channel_setup_ramfc for
indicating nvgpu_alloc_gpfifo_args characteristics.
Bug 1645628
Change-Id: Ia40b37c5c7b208d459aa84f1b022036dd5e1b599
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/744526
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Create a HAL for waiting for GR to become quiet. Use it forall cases
where we require GR to be quiet, but where it does not need to be
idle.
Bug 1640378
Change-Id: Ic0222d595a2d049e0fa8864b069ab94a97fac143
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/745640
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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bug 200080684
keeping it disabled by default
also trimming the code by removing redundant
variable to check recovery. pmu quick wait
now checks only for irqs which are serviced
by kernel. requests pmu to bit bang gpccs
ucode.
Change-Id: I12ef23d6d59b507e86a129b69eab65b21d0438c6
Signed-off-by: Vijayakumar <vsubbu@nvidia.com>
Reviewed-on: http://git-master/r/729622
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Allow querying and setting default betacb size via debugfs. For global buffers
the value takes effect upon first boot of GPU, and has no effect after that.
Bug 1628352
Change-Id: Ib63f4299249c41eab1b36cc501b525cc54211195
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/733328
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- pmu version 19494277 is from CL 19495746
- updated gpmu interface data struct with
respect to latest pmu ucode interface headers.
gpmuifpg.h - 19199047
gpmuifperfmon.h - 18238819
gpmuifpmu.h - 19199047
gpmuifacr.h - 19343196
gpmuifcmn.h - 19264862
rmflcnbl.h - 19317152
Bug 200085428
Change-Id: I7db56dcf5a3038b40da37a69e8723a2e9a652e4b
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/728461
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Improve GMMU mapping code to cope with discontiguous buffers.
Add debugfs entry that allows bypassing SMMU and disabling big pages.
Bug 1605769
Change-Id: I14d32c62293a16ff8c7195377c75a85fa8061083
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/717503
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/737533
Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com>
Tested-by: Alexander Van Brunt <avanbrunt@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
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Resetup RAMFC once sync point id is allocated for a channel.
Change-Id: Idbac406bea1c94c89ef587dda08fddc740c1fadb
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/711302
Reviewed-on: http://git-master/r/737526
Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com>
Tested-by: Alexander Van Brunt <avanbrunt@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
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Define smallest compressible page size per SoC, and use that for
determining if a compressible kind should be downgraded to
uncompressed.
Bug 1605769
Change-Id: I7c9991ba0ae82fe533641f045e506c0b01a10d8b
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/724492
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Add platform specific API pointer (*get_iova_addr)()
which can be used to get iova/physical address from
given scatterlist and flags
Use this API with g->ops.mm.get_iova_addr() instead
of calling API gk20a_mm_iova_addr() which makes it
platform specific
Bug 1605653
Change-Id: I798763db1501bd0b16e84daab68f6093a83caac2
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/713089
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Gpu boosting with input events is causing more gpu power consumption
than required. To avoid this, touch boot for gpu is disabled by not
registering gpu device for cfboost frame work. Current rail gate
entry/exit latencies are fast enough to give smooth user experience.
Bug 200087243
Change-Id: I18673d9c95a44ce9bee87e860b4edb29212dc766
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/721989
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Update extended buffer definition for Maxwell. On GM20B only PERF_CONTROL0 and
PERF_CONTROL5 registers are restored in extended buffer. They are needed for
stopping the counters as late as possible during ctx save and start them as
early as possible during context restore. On Maxwell, these registers contain
the enable/disable bit.
Bug 200086767
Change-Id: I59125a2f04bd0975be8a1ccecf993c9370f20337
Signed-off-by: Sandarbh Jain <sanjain@nvidia.com>
Reviewed-on: http://git-master/r/717421
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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New members are added in nvgpu_gpu_characterstics to export more
information required specially from CUDA tools.
Change-Id: I907f3bcbd272405a13f47ef6236bc2cff01c6c80
Signed-off-by: Sujeet Baranwal <sbaranwal@nvidia.com>
Reviewed-on: http://git-master/r/679202
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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The current CUDA drivers have been using the regops to
directly accessing the GPU registers from user space through
the dbg node. This is a security hole and needs to be avoided.
The patch alternatively implements the similar functionality
in the kernel and provide an ioctl for it.
Bug 200083334
Change-Id: Ic5ff5a215cbabe7a46837bc4e15efcceb0df0367
Signed-off-by: sujeet baranwal <sbaranwal@nvidia.com>
Reviewed-on: http://git-master/r/711758
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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First, defining a new structure to support gk20a
power domain. Then making necessary modifications
to add so as to add DT support for gpu power-domain.
bug 200070810
Change-Id: I29e1c24b181e14743d3969103abfd1882d171f07
Signed-off-by: Sumit Singh <sumsingh@nvidia.com>
Reviewed-on: http://git-master/r/668973
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
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Added support for dumping vpr/wpr info for gm20b.
This dump info called when ever gk20a_mm_fb_flush
is timed-out.
Bug 200082817
Change-Id: I21b0372d0e3f976a189c9c428c015165b715bf88
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/711439
(cherry picked from commit b69897d71c8f6119b49ceb8d3273cdb354178cc5)
Reviewed-on: http://git-master/r/712675
GVS: Gerrit_Virtual_Submit
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
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Allow enabling of PC sampling hardware workaround. It is only
applicable to gm20b.
Bug 1517458
Bug 1573150
Change-Id: Iad6a3ae556489fb7ab9628637d291849d2cd98ea
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/710421
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Add "force_reset" flag to __gk20a_do_idle()
For real world use cases like VPR resizing, we cannot wait
for railgate_delay (which is 500 mS). Hence use CAR reset
for this use case. (this is done via gk20a_do_idle() API
with force_reset = true)
Some of the test cases make use of sysfs "force_idle" and
they expect GPU to be into really railgated state and
not in CAR reset.
Hence when called from sysfs, set force_reset = false.
When global flag "force_reset_in_do_idle" is set, it will
override local flags and force CAR reset case.
This is desired in cases where railgating is not enabled
Also, set force_reset_in_do_idle = false for GM20B since
railgating has been enabled for GM20B
Bug 1592997
Change-Id: I6c5af2977c7211ef82551a86a7c1eb51b8ccee60
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/711615
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add support for setting-up mm hw init per soc.
Bug 1587825
Change-Id: Ie5c5e49a767cfb14e3dbbb6902349284cd3dca95
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/681784
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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ce2 interrupts enabled only on gk20a and gm20b when
interrupts are handled through hal
Change-Id: Ib570db8f5f41e71e768b95e781153ec8a5d20015
Signed-off-by: Sam Payne <spayne@nvidia.com>
Reviewed-on: http://git-master/r/677447
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Pass always the directory structure to mm functions instead of
pointers to members to it. Also split update_gmmu_ptes_locked()
into smaller functions, and turn the hard
coded MMU levels (PDE, PTE) into run-time parameters.
Change-Id: I315ef7aebbea1e61156705361f2e2a63b5fb7bf1
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/672485
Reviewed-by: Automatic_Commit_Validation_User
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PBDMA HW signature depends on the chip.
Change-Id: If57d721d9bb77a090f967930a1aa2037bf4a16fe
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/672922
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Add below APIs to dump various GR status registers
1. debugfs : /d/gpu.0/gr_status
Read this debugfs at runtime to get status registers
2. API gk20a_gr_debug_dump()
Add this API in code to dump registers at any point
Bug 200062436
Change-Id: Ic1115b5a2fc16362954b5ed8a9e70afb872a8d91
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/486465
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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