Commit Graph

500 Commits

Author SHA1 Message Date
Sourab Gupta
dea01d0acf gpu: nvgpu: post dbg session event from os specific code
As part of debug session unification following changes are
required.

-Including bug.h header file to fix the compilation issue
on QNX

- The mechanism of posting debug events is OS specific. In Linux
this works through poll fd, wherein we can make use of nvgpu_cond
variables to poll and trigger the corresponding wait_queue
via nvgpu_cond_broadcast_interruptible() call.

The post event functionality on QNX doesn't work on poll though.
It uses iofunc_notify_trigger to post the debug events to calling
process. As such QNX can't work with nvgpu_cond's.

To overcome this issue, it is proposed to create a OS specific
interface for posting debugger events. Linux can call
nvgpu_cond_broadcast_interruptible() in its implementation, which
makes sense since these are already initialized and poll'ed in the
Linux specific code only.
QNX can implement this interface to call iofunc_notify_* functions,
as per its need

Jira VQRM-2363

Change-Id: I0abdc0787f771040b8aff5384290d7e6549f81fb
Signed-off-by: Sourab Gupta <sourabg@nvidia.com>
Signed-off-by: Prateek Sethi <prsethi@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1696368
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2018-04-19 16:43:59 -07:00
Thomas Fleury
86bb766e16 gpu: nvgpu: assume 1:1 IPA to PA mapping for syncpt
Currently, hyp_read_ipa_pa_info() only translates IPA for RAM
mappings. It fails for MMIO mappings. In particular, it will
fail when attempting to translate addresses in the syncpoint
shim aperture. As a workaround, assume 1:1 IPA to PA mapping
when hyp_read_ipa_pa_info fails, and address is in syncpt
shim aperture.

Bug 2096877

Change-Id: I5267f0a8febf065157910ad3408374cacd398731
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1687796
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2018-04-19 16:42:20 -07:00
Ashutosh Jain
89ffa669b6 gpu: nvgpu: Fix map buffer overflow handling.
Currently in case of overflow in buffer mapping
the dma buf fd reference is not freed which causes
the handle to remain allocated forever.

Bug 200398767

Change-Id: Id3bf88636b927d75595f8a8b9f240b6717bf3b57
Signed-off-by: Ashutosh Jain <ashutoshj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1694864
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2018-04-17 18:04:10 -07:00
Richard Zhao
cc9f3d80e3 gpu: nvgpu: pass pid/tid from os specific code to common code
linux driver runs in user's process but qnx driver has dedicate driver
process, so they have different way to get user pid. nvgpu common code
expect calls from os specific code pass pid/tid.

ce/cde open channel for internal use, we use driver pid.

Jira VQRM-3534

Change-Id: I892372ac5f1dc4d25f9928d16992bcc659d12a56
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1694145
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2018-04-16 10:49:43 -07:00
Seema Khowala
b64dfdcf9e gpu: nvgpu: gv100: enable elcg, blcg, slcg
Bug 200399393

Change-Id: I60b2704ba447e45c330f2dc133cb2fa17e107f1c
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1683105
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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2018-04-12 10:43:47 -07:00
Sourab Gupta
38930ee244 gpu: nvgpu: remove uapi include from ce2
Remove the include of a uapi header from ce2.c since
this file no longer makes use of any uapi definition.

VQRM-3465

Change-Id: Ib9ba7090021f5fc21734adca80be8a0ea224bf90
Signed-off-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1691980
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2018-04-11 10:16:20 -07:00
Sourab Gupta
6c6aab952e gpu: nvgpu: Add conversion function for uapi submit gpfifo flags
The submit gpfifo flags are splattered everywhere inside the nvgpu
code. Though the usage is inside nvgpu Linux code only, still it
needs to be gotten rid of and replaced with the defines
present in common code.

VQRM-3465

Change-Id: I901b33565b01fa3e1f9ba6698a323c16547a8d3e
Signed-off-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1691979
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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2018-04-11 10:16:16 -07:00
Sourab Gupta
f8578c9274 gpu: nvgpu: remove usage of nvgpu_gpfifo
Remove the usage of nvgpu_gpfifo splattered across nvgpu,
and replace with a struct defined in common code.
The usage is still inside Linux, but this helps the
subsequent unification efforts, e.g. to unify the submit
path.

VQRM-3465

Change-Id: I9e5ac697a0c7f85239ddba319085c09481d20d6b
Signed-off-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1691978
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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2018-04-11 10:16:13 -07:00
Sourab Gupta
585e33e408 gpu: nvgpu: remove usage of nvgpu_fence
Remove the usage of nvgpu_fence splattered across nvgpu,
and replace with a struct defined in common code.
The usage is still inside Linux, but this helps the
subsequent unification efforts, e.g. to unify the submit
path.

VQRM-3465

Change-Id: Ic3737450123dfc5e1c40ca5b6b8d8f6b3070aa0d
Signed-off-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1691977
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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2018-04-11 10:16:09 -07:00
Debarshi Dutta
d693952a0b gpu: nvgpu: check null before accessing nvgpu_firmware.
check for null value of nvgpu_firmware before accessing them in
nvgpu_firmware_release().

Coverity defect id: 2983427, 2983428 
Bug 200291879

Change-Id: I946cb448351441ee820aa3e5d8db649943d20d16
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1683505
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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2018-04-10 05:42:56 -07:00
Terje Bergstrom
aeaa7c9826 gpu: nvgpu: Use tegra_alloc_fd() only on Tegra kernel
tegra_alloc_fd() exists only in Tegra kernel. Use get_unused_fd_flags()
in other platforms.

JIRA NVGPU-4

Change-Id: I12b16957263f6cea771314a9da229384c865e65f
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1689538
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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2018-04-06 14:07:33 -07:00
Mahantesh Kumbar
1389aa3e87 gpu: nvgpu: gv100 temperature read support
- Enabled internal temperature sensor read for gv100
  dgpu.
- Added check to temperature read support before
  proceeding to read temperature from H/W
- Assigned GP106 temperature HAL's for GV100 as no changes
  between GP106 & GV100 H/W registers.

Bug 200352328

Change-Id: I86b5a1859b87ace49a07d0ff3749bb5b085bba91
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1673347
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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2018-04-06 14:07:02 -07:00
Alex Waterman
182760476d gpu: nvgpu: De-linuxify pmgr code
The pmgr code is in theory common code. However there were uses
of Linux stuff within this code.

This patch cleans that up by deleting the unnecessary os_linux.h
includes, usage of kfree() and adds several platform fields to
the gk20a struct. The platform data is copied to the gk20a struct
in the platform initialization code so that this common code can
access said data without requiring any knowledge of the OS platform
data.

JIRA NVGPU-525

Change-Id: Ic4bb6021f60b0a0778779ab5f3e15b7e5ca98306
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1673825
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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2018-04-05 11:24:05 -07:00
Sourab Gupta
03b8768902 gpu: nvgpu: pass alloc_gpfifo args to gk20a_channel_alloc_gpfifo
The patch defines 'struct nvgpu_gpfifo_args' to be filled
by alloc_gpfifo(_ex) ioctls and passed to the
gk20a_channel_alloc_gpfifo function. This is required as a
prep towards having the usermode submission support in the
core channel core.

Change-Id: I72acc00cc5558dd3623604da7d716bf849f0152c
Signed-off-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1683391
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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2018-04-05 05:22:54 -07:00
Terje Bergstrom
a108d3f036 gpu: nvgpu: Use u64 for log mask
BIT() is defined as returning a 64-bit value. We use it to create the
log mask values, but the functions that accept log mask take only
u32 as parameter.

Use u64 as log mask parameter for the logging functions to match the
sizes.

Change-Id: I6f0803a7d04ee6a2ee725b5defc4cc14b5b7acf5
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1683818
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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2018-04-03 23:24:31 -07:00
seshendra Gadagottu
b49ee3fe2b gpu: nvgpu: gv11b: enable rail gating
Enable gpu rail gating with idle delay of 500msec.

Bug 2051863

Change-Id: I1bdfc1b3db38dff871cd5d62542dd51efbd07496
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1640557
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2018-04-03 17:05:12 -07:00
seshendra Gadagottu
d02ae4f1e9 gpu: nvgpu: handle pm suspend/resume with runtime pm disable
When runtime pm is disabled, then gpu rail will be on as soon as
nvgpu module is loaded. If pm suspend/resume called before gpu
hw initialization(g->poweron = false) then pm suspend is skipping
gpu railgate, which is causing issues with SC7 entry/exit.
To fix this issue:
1. During pm suspend, if g->poweron is false, check for runtime pm
   disable to railgate gpu rail.
2. On pm resume, check for runtime pm disable to enable gpu rail,
   though gpu driver not initialized.

Bug 2073029

Change-Id: I7631109d79cda5882d2864557f1b7b3d2d89c9f6
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1679010
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2018-04-02 16:05:54 -07:00
Aniruddha Banerjee
947b37bcf0 Revert "nvgpu: Remove ASYNC PROBE for vgpu"
This reverts commit dbdf57fb3c.

The aync-probe was causing an issue because the arm-gic set_type
did not have the proper locking constructs to prevent races in
gic distributor.

Bug 200385192

Change-Id: Ic4f51705e58da8145845b4812c8e61e1c73932cd
Signed-off-by: Aniruddha Banerjee <aniruddhab@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1676616
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2018-04-02 04:25:24 -07:00
Vijayakumar
493d0c8af3 gpu: nvgpu: gv100: set apply_ctxsw_timeout and ch_wdt_timeout_ms
-set apply_ctxsw_timeout_intr to NULL. This was added as
 part of DNI change SHA 1f71f475e2
-change ch_wdt_timeout_ms from 30ms to 7ms

Bug 2040544
Bug 2069807

Change-Id: I9125207146e1e3e42325ecda6a2aa7f1c07fdd3a
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1683719
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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2018-03-30 14:54:21 -07:00
Deepak Nibade
b1ac66d418 gpu: nvgpu: fix memory leaks in error path
Error path is not implemented in nvgpu_pci_probe(), and that could lead to
memory leaks if any of the step in nvgpu_pci_probe() fails

Fix this by implementing error path and freeing all allocated buffers

Bug 200291879
Coverify defect id : 2845621

Change-Id: Iee1abb041089e47a517a6698f0a4067c9c4fa289
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1681028
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2018-03-23 17:18:38 -07:00
Konsta Holtta
cb8d8337a6 gpu: nvgpu: disallow invalid syncpoint wait ids
Instead of ignoring a wait when a raw syncpoint prefence has an invalid
id, reject the submit with -EINVAL just like with syncpoints in syncfds.

Change-Id: I9b5c417bd1c7cd081c79659d088ac2c915de8c0e
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1680281
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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2018-03-23 17:18:24 -07:00
Konsta Holtta
bac51e8081 gpu: nvgpu: allow syncfds as prefences on deterministic
Accept submits on deterministic channels even when the prefence is a
syncfd, but only if it has just one fence inside.

Because NVGPU_SUBMIT_GPFIFO_FLAGS_SYNC_FENCE is shared between pre- and
postfences, a postfence (SUBMIT_GPFIFO_FLAGS_FENCE_GET) is not allowed
at the same time though.

The sync framework is problematic for deterministic channels due to
certain allocations that are not controlled by nvgpu. However, that only
applies for postfences, yet we've disallowed FLAGS_SYNC_FENCE for
deterministic channels even when a postfence is not needed.

Bug 200390539

Change-Id: I099bbadc11cc2f093fb2c585f3bd909143238d57
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1680271
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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2018-03-23 17:18:15 -07:00
Deepak Nibade
b5b4353ca6 gpu: nvgpu: set safe state for user managed syncpoints
MAX/threshold value of user managed syncpoint is not tracked by nvgpu
So if channel is reset by nvgpu there could be waiters still waiting on some
user syncpoint fence

Fix this by setting a large safe value to user managed syncpoint when aborting
the channel and when closing the channel

We right now increment the current value by 0x10000 which should be sufficient
to release any pending waiter

Bug 200326065
Jira NVGPU-179

Change-Id: Ie6432369bb4c21bd922c14b8d5a74c1477116f0b
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1678768
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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2018-03-23 08:20:35 -07:00
Thomas Fleury
88bbe31396 gpu: nvgpu: remove traces in nvgpu_clk_set_info
Cleanup superfluous traces in nvgpu_clk_set_info.

Jira DNVGPU-210
Jira DNVGPU-211

Change-Id: I78249d7a2a11e205c808695ea76293bff8892efc
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1627357
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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2018-03-21 14:09:39 -07:00
Konsta Holtta
2aad9366fe gpu: nvgpu: delete unused job->pre_fence
The pre_fence member in channel_gk20a_job is no longer used for
anything. Delete it. Only the post fence needs to be tracked.

Jira NVGPU-527
Jira NVGPU-528
Bug 200390539

Change-Id: Ia1a556728dabf9a8e305ed76020ac1aa0b4d6b88
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1676735
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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2018-03-19 11:26:02 -07:00
Konsta Holtta
9f9035d10b gpu: nvgpu: remove fence param from channel_sync
The fence parameter that gets output from gk20a_channel_sync's wait()
and wait_fd() APIs is no longer used for anything. Delete it.

Jira NVGPU-527
Jira NVGPU-528
Bug 200390539

Change-Id: I659504062dc6aee83a0a0d9f5625372b4ae8c0e2
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1676734
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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2018-03-16 17:12:03 -07:00
Konsta Holtta
69252b3fb6 gpu: nvgpu: remove support for foreign sema syncfds
Delete the proxy waiter for non-semaphore-backed syncfds in sema wait
path to simplify code, to remove dependencies to the sync framework (and
thus Linux) and to support upcoming refactorings. This feature has never
been used for actually foreign fences.

Jira NVGPU-43
Jira NVGPU-66

Change-Id: I2b539aefd2d096a7bf5f40e61d48de7a9b3dccae
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1665119
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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2018-03-16 17:11:03 -07:00
Deepak Nibade
703c1ea596 Revert "gpu: nvgpu: remove aggressive_sync_destroy_thresh check for user syncpoint"
This reverts commit fb40f2a807.

aggressive_sync_destroy_thresh was inadvertently set for gv11b vGPU, and that is
now being removed
hence restore original check

Bug 200397265
Bug 200326065

Change-Id: If56e1c462adb2db7d9186fbb6038169aa7ea33dc
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1676556
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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2018-03-16 11:53:52 -07:00
Deepak Nibade
db48d30bc8 gpu: nvgpu: vgpu: remove aggressive_sync_destroy_thresh for gv11b
aggressive_sync_destroy_thresh was inadvertently set for gv11b on vGPU, and that
caused issues while allocating user managed syncpoint

remove that threshold as it is no longer needed

Bug 200397265
Bug 200326065

Change-Id: I63dfdcae1fd7b99068d07807c84775b9a9f9f95d
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1676555
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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2018-03-16 11:53:48 -07:00
Alex Waterman
0725ff9372 gpu: nvgpu: Abstract get_cycles()
get_cycles is a linux specific API used in common code. This API
is being used, it seems, as a method to generate time stamps. So
add an API to generate 'high resolution' time stamps. This API
returns an opaque time stamp: that is not something one may use
directly as a time since in the Linux implementation we just use
this cycle counter.

Other implementations will, of course, be free to implement as a
real time stamp.

JIRA NVGPU-525

Change-Id: I237aac9bd6c795d000459025bdb4fce92e8aaa3d
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1673811
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2018-03-16 07:34:36 -07:00
Aparna Das
ae1b86ed4f gpu: nvgpu: add gpu_va to update_hwpm_ctxsw_mode parameters()
It'll allow the function to use fixed mapping.

Jira VQRM-2982

Change-Id: I98159c5b199ce1854b1b40704392237cadb71ef2
Signed-off-by: Aparna Das <aparnad@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1660225
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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2018-03-16 07:34:12 -07:00
Deepak Nibade
fb40f2a807 gpu: nvgpu: remove aggressive_sync_destroy_thresh check for user syncpoint
VGPU has set aggressive_sync_destroy_thresh even for GV11B, and that breaks
allocation of user managed syncpoint on VGPU

Remove this check for now until some solution is finalized

Bug 200397265
Bug 200326065

Change-Id: Idd765cfdd40b9055d9e083d59c85c84d8b213ee9
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1675678
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
2018-03-15 05:23:17 -07:00
Nagaraj P N
dbdf57fb3c nvgpu: Remove ASYNC PROBE for vgpu
Async probe of vgpu driver results in a race condition where GICD registers
are being programmed incorrectly because of the race.

Remove ASYNC_PROBE for vgpu driver as a WAR to prevent it. This change
would be reverted after GICD register programming is serialized

bug 200385192

Change-Id: I7279152867470ece93c5efbd72ac24db28878024
Signed-off-by: Nagaraj P N <nagarajp@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1674898
Reviewed-by: Sreenivasulu Velpula <svelpula@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vipin Kumar <vipink@nvidia.com>
Tested-by: Vipin Kumar <vipink@nvidia.com>
Reviewed-by: Sandeep Trasi <strasi@nvidia.com>
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2018-03-14 23:47:37 -07:00
Thomas Fleury
e77ec1a98e gpu: nvgpu: init soc vars from nvgpu_probe
Invoke nvgpu_init_soc_vars from common nvgpu_probe
instead of pci specific nvgpu_pci_tegra_probe.

Bug 200392719

Change-Id: Ibb0474f2497234ba2e393790020af89a0266f5df
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1674016
Reviewed-by: Automatic_Commit_Validation_User
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Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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2018-03-14 12:22:51 -07:00
Konsta Holtta
4826bddfc4 gpu: nvgpu: use also normal logging with TRACE_PRINTK
When CONFIG_GK20A_TRACE_PRINTK is set to support printing to ftrace log
instead of the normal kernel log, but log_trace from debugfs is not set,
fall back to normal kernel logging instead of not logging anything.

Change-Id: I553baed20a52108229dbcc5c63e8af4e1bcd1b30
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1674250
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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2018-03-13 09:55:10 -07:00
Thomas Fleury
c6e8257c44 gpu: nvgpu: gv100: add IPA to PA translation
Add IPA to PA translation for GV100 nvlink / pass-through mode
- define platform->phys_addr(g, ipa) method
- call nvgpu_init_soc_vars from nvgpu_tegra_pci_probe
- in nvgpu_init_soc_vars, define set platform->phys_addr to
  nvgpu_tegra_hv_ipa_pa, if hypervisor is present.
- in __nvgpu_sgl_phys, use sg_phys, then apply platform->phys_addr
  if defined.
- implement IPA to PA translation in nvgpu_tegra_hv_ipa_pa

Bug 200392719

Change-Id: I622049ddc62c2a57a665dd259c1bb4ed3843a537
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1673582
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
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2018-03-13 00:04:31 -07:00
Thomas Fleury
6c33a010d8 gpu: nvgpu: add placeholder for IPA to PA
Add __nvgpu_sgl_phys function that can be used to implement IPA
to PA translation in a subsequent change.
Adapt existing function prototypes to add pointer to gpu context,
as we will need to check if IPA to PA translation is needed.

JIRA EVLR-2442
Bug 200392719

Change-Id: I5a734c958c8277d1bf673c020dafb31263f142d6
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1673142
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2018-03-13 00:04:16 -07:00
Shashank Singh
db089a73a5 gpu: nvgpu: add refcounting for ctxsw disable/enable
ctxsw disable could be called recursively for RM server. Suspend
contexts disables ctxsw at the beginning, then call tsg disable and
preempt. If preempt timeout happens, it goes to recovery path, which
will try to disable ctxsw again. More details on Bug 200331110.

Jira VQRM-2982

Change-Id: I4659c842ae73ed59be51ae65b25366f24abcaf22
Signed-off-by: Shashank Singh <shashsingh@nvidia.com>
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1671716
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2018-03-12 09:13:00 -07:00
seshendra Gadagottu
02956adcd3 gpu: nvgpu: check for syncpt enable
Check for syncpt enable before querying for
synpt ro map. Otherwise it is getting result
in kernel crash with syncpt support disabled.

Change-Id: Iaa13d802ec66a368f2bedd2dd1061bae29b4aaa2
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1671652
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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2018-03-12 09:12:57 -07:00
Konsta Holtta
cb6ed949e2 gpu: nvgpu: support per-channel wdt timeouts
Replace the padding in nvgpu_channel_wdt_args with a timeout value in
milliseconds, and add NVGPU_IOCTL_CHANNEL_WDT_FLAG_SET_TIMEOUT to
signify the existence of this new field. When the new flag is included
in the value of wdt_status, the field is used to set a per-channel
timeout to override the per-GPU default.

Add NVGPU_IOCTL_CHANNEL_WDT_FLAG_DISABLE_DUMP to disable the long debug
dump when a timed out channel gets recovered by the watchdog. Printing
the dump to serial console takes easily several seconds. (Note that
there is NVGPU_TIMEOUT_FLAG_DISABLE_DUMP about ctxsw timeout separately
for NVGPU_IOCTL_CHANNEL_SET_TIMEOUT_EX as well.)

The behaviour of NVGPU_IOCTL_CHANNEL_WDT is changed so that either
NVGPU_IOCTL_CHANNEL_ENABLE_WDT or NVGPU_IOCTL_CHANNEL_DISABLE_WDT has to
be set. The old behaviour was that other values were silently ignored.

The usage of the global default debugfs-controlled ch_wdt_timeout_ms is
changed so that its value takes effect only for newly opened channels
instead of in realtime. Also, zero value no longer means that the
watchdog is disabled; there is a separate flag for that after all.

gk20a_fifo_recover_tsg used to ignore the value of "verbose" when no
engines were found. Correct this.

Bug 1982826
Bug 1985845
Jira NVGPU-73

Change-Id: Iea6213a646a66cb7c631ed7d7c91d8c2ba8a92a4
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1510898
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2018-03-09 20:09:44 -08:00
Alex Waterman
da9b549cd1 gpu: nvgpu: Correctly plumb -EAGAIN from vidmem allocations
Userspace can and should retry vidmem allocations if there are pending
clears still to be executed by the GPU. But this requires the -EAGAIN
to properly propagate back to userspace.

Bug 200378648

Change-Id: Ib930711270439843e043d65c2e87b60612a76239
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1669099
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
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2018-03-08 04:27:39 -08:00
Alex Waterman
418f31cd91 gpu: nvgpu: Enable IO coherency on GV100
This reverts commit 848af2ce6d.

This is a revert of a revert, etc, etc. It re-enables IO coherence again.

JIRA EVLR-2333

Change-Id: Ibf97dce2f892e48a1200a06cd38a1c5d9603be04
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1669722
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2018-03-07 18:04:41 -08:00
Richard Zhao
c6b846d34c gpu: nvgpu: add gops.semaphore_wakeup HAL
vserver handles semaphore differently from native, so it needs a
callback to differentiate from native. Also created common function
mc_gk20a_handle_intr_nonstall to handle all nonstall interrupts.

Jira VQRM-2982

Change-Id: I1b3821717a4005ca4bf2a4dac5dcd335872f48f1
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1656753
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2018-03-06 14:52:43 -08:00
Aparna Das
395c553813 gpu: nvgpu: move chip detect in os specific probe code
This allows moving HAL overrides for vserver out of common
chip specific HAL files into os specific probe code.

Jira VQRM-3070

Change-Id: Icc61aacc03ac7db7a0ea1f6a2dd2b76185c74757
Signed-off-by: Aparna Das <aparnad@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1656752
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
Tested-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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2018-03-06 14:51:54 -08:00
Kirill Artamonov
70bf8275ef gpu: nvgpu: gv11b: implement gfxp wfi controls
/sys/devices/gpu.0/gfxp_wfi_timeout_unit
usec - microseconds
sysclk - gpu clock count

Treat gr_fe_gfxp_wfi_timeout_r as context-switched
register on gv11b.

Set default gfxp_wfi_timeout to 100 usec to match
gp10b at 1GHz.

bug 1888344

Signed-off-by: Kirill Artamonov <kartamonov@nvidia.com>
Change-Id: I7fa64ce6912ae861244856807543b17bd7a26bed
Reviewed-on: https://git-master.nvidia.com/r/1651517
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2018-03-06 14:51:50 -08:00
seshendra Gadagottu
c363e1ebe6 Revert "gpu: nvgpu: gv11b: limit min freq to 216.75Mhz"
Actual issue with low frequency is root caused, so reverting this
hack.


Bug 2056266

This reverts commit 9afb74dada.

Change-Id: Iab4f05b4e78f681298b9bf732289de9e2026d6b3
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1667549
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
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2018-03-06 12:18:43 -08:00
Deepak Goyal
70fb27bb6c gpu: nvgpu: gv11b: Enable aELPG.
Bug 2046561

Change-Id: I625db1797d699f6e74374535a836ab1c1b0a19ce
Signed-off-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1657214
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Tested-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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2018-03-06 12:18:24 -08:00
Seema Khowala
c2d01257d7 gpu: nvgpu: WARN_ON dma_alloc if mem is already valid
Trying to alloc mem for already valid mem will dump warn
stack along with nvgpu warn message for memory leak.

Bug 200393029

Change-Id: I9b5becf898deb47eecd6369c2a97e688caa4660e
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1665377
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2018-03-05 22:22:33 -08:00
Deepak Goyal
26b9194603 gpu: nvgpu: gv11b: Correct PMU PG enabled masks.
PMU ucode records supported feature list for a
particular chip as support mask sent
via PMU_PG_PARAM_CMD_GR_INIT_PARAM.

It then enables selective feature list through
enable mask sent via
PMU_PG_PARAM_CMD_SUB_FEATURE_MASK_UPDATE cmd.

Right now only ELPG state machine mask was enabled.
Only ELPG state machine was getting executed
but other crucial steps in ELPG entry/exit sequence
were getting skipped.

Bug 200392620.
Bug 200296076.

Change-Id: I5e1800980990c146c731537290cb7d4c07e937c3
Signed-off-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1665767
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Tested-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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2018-03-05 21:18:20 -08:00
Timo Alho
848af2ce6d Revert "Revert "Revert "gpu: nvgpu: Get coherency on gv100 + NVLINK working"""
This reverts commit 89fbf39a05.

Bug 2075315

Change-Id: Id34a0376be5160b164931926ec600f77edf69667
Signed-off-by: Timo Alho <talho@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1668487
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
2018-03-05 08:39:57 -08:00