| Commit message (Collapse) | Author | Age |
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We take an extra power refcount when we disable railgating
through railgate_enable sysfs
And that breaks suspend/resume since we check for power
refcount first in gk20a_pm_suspend()
Fix this with following :
- set a flag user_railgate_disabled when User
disables railgating through sysfs railgate_enable
- in gk20a_pm_suspend(), drop one power refcount
if flag is set
- in gk20a_pm_resume(), take one refcount again
if flag is set
Fix __gk20a_do_idle() to consider this extra refcount as well.
Add new variable target_ref_cnt and use it instead of
assuming target refcount of 1
In case User has disabled rail gating, set this target
refcount as 2
Also, export gk20a_idle_nosuspend() which drop power refcount
without triggering suspend
Bug 200233570
Change-Id: Ic0e35c73eb74ffefea1cd90d1b152650d9d2043d
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1236047
(cherry picked from commit 6e002d57da4b5c58ed79889728bb678d3aa1f1b1)
Reviewed-on: http://git-master/r/1235219
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Suppress error message when nvgpu tries to load VBIOS overlay, but
one is not found. This situation is normal. This is done by moving
gk20a_request_firmware() to be nvgpu generic function
nvgpu_request_firmware(), and adding a NO_WARN flag to it.
Introduce also a NO_SOC flag to suppress attempt to load firmware
from SoC specific directory in addition to the chip specific
directory. Use it for dGPU firmware files.
Bug 200236777
Change-Id: I0294d3308f029a6a6d3c2effa579d5f69a91e418
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1223840
(cherry picked from commit cca44c3f010f15918cdd2259c15170ba1917828a)
Reviewed-on: http://git-master/r/1233353
GVS: Gerrit_Virtual_Submit
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Both gk20a_request_firmware() and its callers wrote an error when a
file could not be found. Remove the error in
gk20a_request_firmware().
JIRA DNVGPU-143
Change-Id: I74cb6a6774762732d7702f1eadbeef19dcb9a85e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1211612
(cherry picked from commit 818364189036c6732b19682debb63a033c6a6c2a)
Reviewed-on: http://git-master/r/1229491
GVS: Gerrit_Virtual_Submit
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JIRA DNVGPU-45
Change-Id: I237ce81e31b036c05c82d46eea8694ffe1c2e3df
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Signed-off-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-on: http://git-master/r/1205849
(cherry picked from commit 9a4006f76b75a8ad525e7aa5ad1f609aaae49126)
Reviewed-on: http://git-master/r/1227256
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Expose PCI device id info for PCI devices.
Bug 1643487
Change-Id: Ib0e3295b33c2343d99553a5c48e3f67d419d207b
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: http://git-master/r/1214946
(cherry picked from commit a6e23a315a094f1df1f7db8e4307a10d06f28411)
Reviewed-on: http://git-master/r/1216336
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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- Update payload interface to support mclk
- Call mclk after gr init complete
JIRA DNVGPU-85
Change-Id: I14c5c6cb438f1a7d56d96daa0fafc09d6abef46b
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1205461
(cherry picked from commit f1bf1ec946aaacae40ecb405341eb2e169cf5754)
Reviewed-on: http://git-master/r/1217989
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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When trying to power down GPU the engine might be still busy. In this
case delay power down by returning -EBUSY from
gk20a_pm_runtime_suspend().
Bug 200224907
Change-Id: Ibad74c090add24a185bc1a7a02df367af9b95ced
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1213042
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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We have completely different versions of probe for
nvgpu and pci device
Extract out common steps into nvgpu_probe() function
and separate it out in new file nvgpu_common.c
Divide task of nvgpu_probe() into further smaller
functions
Do platform specific things (like irq handling,
memresource management, power management) only in
individual probes and then call nvgpu_probe() to
complete the common initialization
Move all debugfs initialization to common gk20a_debug_init()
This also helps to bringup all debug nodes to pci device
Pass debugfs_symlink name as a parameter to gk20a_debug_init()
This allows us to set separate debugfs symlink for nvgpu
and pci device
In case of railgating, cde and ce debugfs, check if
platform supports them or not
Copy vidmem_is_vidmem from platform to mm structure
and set it to true for pci device
Return from gk20a_scale_init() if we don't have either of
governor or qos_notifier
Fix gk20a_alloc_debugfs_init() and gk20a_secure_page_alloc()
to receive device pointer instead of platform_device
Export gk20a_railgating_debugfs_init() so that we can call
it from gk20a_debug_init()
Jira DNVGPU-56
Jira DNVGPU-58
Change-Id: I3cc048082b0a1e57415a9fb8bfb9eec0f0a280cd
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1204207
(cherry picked from commit add6bb0a3d5bd98131bbe6f62d4358d4d722b0fe)
Reviewed-on: http://git-master/r/1204462
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Unbind on nvgpu results in kernel panic.
Suppress it to avoid kernel panic.
Proper fix should follow later on.
bug 1779085
Change-Id: Ibc966ac031f7f04406db63310e2f5ea126649ac0
Signed-off-by: Sri Krishna chowdary <schowdary@nvidia.com>
Reviewed-on: http://git-master/r/1212759
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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is_fmodel flag will be set in gk20a_probe().
Updated code for is_fmodel check, instead of
check for supported simulated platforms.
Bug 1735760
Change-Id: I7cbac2196130fe5ce4c1a910504879e6948c13da
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: http://git-master/r/1177869
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Tested-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Adeel Raza <araza@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
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Restores call to gk20a_scale_notify_busy() in
gk20a_busy(), which was unintentionally removed in
commit 6ac44d2813f5ab1873eb5148f26746a8f9dbd4a8
Bug 200187507
Change-Id: I96239d9e3e7cbd0911ebae358ec9dae39ec82566
Signed-off-by: Sachit Kadle <skadle@nvidia.com>
Reviewed-on: http://git-master/r/1191327
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
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Currently, host1x power refcount may decrement
to 0, while GPU is still powered on and we're still
servicing IRQs. So to prevent this situation,,
take a ref while GPU is being powered on, and
decrement it during power off. Since we are always
holding one reference while GPU is powered on,
we can remove this handling from gk20a_busy/idle()
Bug 200187507
Change-Id: I249a4527178537c1dc53d769411f53c4451352c3
Signed-off-by: Sachit Kadle <skadle@nvidia.com>
Reviewed-on: http://git-master/r/1172320
(cherry picked from commit 3e27e6a5820f5c1ad05596553d75e8979b71f1bd)
Reviewed-on: http://git-master/r/1172607
(cherry picked from commit 1e01a49fdc139b8cdf5164b4a6767d22ef4ad1d3)
Reviewed-on: http://git-master/r/1185175
GVS: Gerrit_Virtual_Submit
Reviewed-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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Add NVGPU_GPU_IOCTL_ALLOC_VIDMEM to the ctrl fd for letting userspace
allocate on-board GPU memory (aka vidmem). The allocations are returned
as dmabuf fds.
Also, report the amount of local video memory in the gpu
characteristics.
Jira DNVGPU-19
Jira DNVGPU-38
Change-Id: I28e361d31bb630b96d06bb1c86d022d91c7592bc
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1181152
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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Added interface to allow kernel to create privileged CE channels for
page migration and clearing support between sysmem and videmem.
JIRA DNVGPU-53
Change-Id: I3e18d18403809c9e64fa45d40b6c4e3844992506
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1173085
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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Fixed the following warning:
- gk20a.c:147:5: warning: symbol
'gk20a_railgating_debugfs_init'
was not declared ?
Bug 200067946
Bug 200088648
Change-Id: Ic7b1a24cee5066249e7d25db87a3e1569a608e6c
Signed-off-by: Minal Ugale <mugale@nvidia.com>
Reviewed-on: http://git-master/r/1183272
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
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Added a dedicated device node to allow an
app manager to control TSG scheduling parameters:
- Get list of TSGs
- Get list of recent TSGs
- Get list of TSGs per pid
- Get TSG current scheduling parameters
- Set TSG timeslice
- Set TSG runlist interleave
Jira VFND-1586
Change-Id: I014c9d1534bce0eaea6c25ad114cf0cff317af79
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1160384
(cherry picked from commit 75ca739517cc7f7f76714b5f6a1a57c39b8cb38e)
Reviewed-on: http://git-master/r/1167021
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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This patch calculates:
-Total time spent by GPU with rails gated.
-Total time spent by GPU with rails ungated.
-Total Railgating Cycles.
and dumps this information in debugfs file.
This feature requires CONFIG_DEBUG_FS set to true.
Bug 200195100
Change-Id: I1379f11237ce4900076947e18524caaa3304c7cb
Signed-off-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-on: http://git-master/r/1178308
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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Set has_physical_mode if running on native linux for better performance.
Set it false if running on native gpu but on linux-hv, as the driver
can not get real physical address.
JIRA VFND-1965
Change-Id: I6e0322e64ad14d35d179a33e979157b53d77005a
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1175739
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>
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We currenlty initialize both runtime PM and pm_domains frameworks
and use pm_domain to control runtime power management of NvGPU
But since GPU has a separate rail, using pm_domain is not
strictly required
Hence remove pm_domain support and use runtime PM only for all
the power management
This also simplifies the code a lot
Initialization in gk20a_pm_init()
- if railgate_delay is set, set autosuspend delay of runtime PM
- try enabling runtime PM
- if runtime PM is now enabled, keep GPU railgated
- if runtime PM is not enabled, keep GPU unrailgated
- if can_railgate = false, disable runtime PM and keep
GPU unrailgated
Set gk20a_pm_ops with below callbacks for runtime PM
static const struct dev_pm_ops gk20a_pm_ops = {
.runtime_resume = gk20a_pm_runtime_resume,
.runtime_suspend = gk20a_pm_runtime_suspend,
.resume = gk20a_pm_resume,
.suspend = gk20a_pm_suspend,
}
Move gk20a_busy() to use runtime checks of pm_runtime_enabled()
instead of using compile time checks on CONFIG_PM
Clean up some pm_domain related code
Remove use of gk20a_pm_enable/disable_clk() since this
should be already done in platform specific unrailgate()/
railgate() APIs
Fix "railgate_delay" and "railgate_enable" sysfs to use
runtime PM calls
For VGPU, disable runtime PM during vgpu_pm_init()
With this, we will initialize vgpu with vgpu_pm_finalize_poweron()
upon first call to gk20a_busy()
Jira DNVGPU-57
Change-Id: I6013e33ae9bd28f35c25271af1239942a4fa0919
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1163216
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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When copying chip name to GPU characteristics limit the size of copy
to the size of target name field.
Coverity ID 33613
Change-Id: Ia538d47b9d5e1dd122d57ccd8bfbb3902612874c
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1172007
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This reverts commit 1e01a49fdc139b8cdf5164b4a6767d22ef4ad1d3.
Bug 1784924
Change-Id: I7bd77f34e37395ed5339d018897d8db91eb5ee0e
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1175903
GVS: Gerrit_Virtual_Submit
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Currently, host1x power refcount may decrement
to 0, while GPU is still powered on and we're still
servicing IRQs. So to prevent this situation,,
take a ref while GPU is being powered on, and
decrement it during power off. Since we are always
holding one reference while GPU is powered on,
we can remove this handling from gk20a_busy/idle().
Bug 200187507
Change-Id: Idabe88754f009f1e8de8dc821d53be3e013dc657
Signed-off-by: Sachit Kadle <skadle@nvidia.com>
Reviewed-on: http://git-master/r/1172320
(cherry picked from commit 3e27e6a5820f5c1ad05596553d75e8979b71f1bd)
Reviewed-on: http://git-master/r/1172607
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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This reverts commit 6bbc169d33ae601b5947c1e54806b9f9bfa6054e.
channel_suspend() might cause new interrupts to trigger,
and if irqs are already disabled, then these interrupts will
not get served
Hence revert this patch, and move disable_irq() to
original place
Bug 200207867
Change-Id: I45617a1a0aa9a1f805dd937a34ebb572a61c05c0
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1169380
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Tested-by: Bharat Nihalani <bnihalani@nvidia.com>
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following compilation error are reported with CONFIG_DEBUG_FS=n:
pci.c:246:7: error: 'struct mm_gk20a' has no member named 'ltc_enabled'
pci.c:247:7: error: 'struct mm_gk20a' has no member named 'ltc_enabled_debug'
possible compilation error(reported sometime):
gk20a_allocator.c:1163:13: error: 'gk20a_alloc_debugfs_init' defined
but not used
fixed by adding '#ifdef CONFIG_DEBUG_FS' for debug only code.
following variables from gk20a.c are not initialized from
CONFIG_DEBUG_FS=n path, it will cause kernel oops when booting:
gk20a->mm.bypass_smmu = platform->bypass_smmu;
gk20a->mm.disable_bigpage = platform->disable_bigpage;
gk20a->mm.has_physical_mode = true;
fix it by move them out from '#ifdef CONFIG_DEBUG_FS' section.
Bug 1778001
Change-Id: Ic2da36b3f500882748ee46a5150903244b697761
Signed-off-by: David Pu <dpu@nvidia.com>
Reviewed-on: http://git-master/r/1167358
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Move all places that read ptimer to use the callback.
It's for add vgpu implementation of read ptimer.
Bug 1395833
Change-Id: Ia339f2f08d75ca4969a443fffc9a61cff1d3d2b7
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1159587
(cherry picked from commit a01f804684f875c9cffc31eb2c1038f2f29ec66f)
Reviewed-on: http://git-master/r/1158449
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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This reverts commit 2219f38727ffa17291e15c1898bd3e65f43d09fd. It leaves
GPU in on state for some tests that require powering down GPU.
Change-Id: I79d44fed729e98692021c57bbeff6a0ef2e8c983
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1161846
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We sometimes see race conditions where power refcount
is zero during ISR or bottom half.
If bottom half calls gk20a_busy(), it will lead to
boot up of GPU, but it is also possible that we are
already trying to poweroff GPU since power refcount
is zero
Fix this by taking a power refcount with gk20a_busy_noresume()
in ISR and then dropping this refcount at the end of
bottom half
Add new API gk20a_idle_nosuspend() to drop a refcount
without initiating suspend
Bug 200198908
Bug 1770522
Change-Id: Iec3d4dc8d468f49b71919d2bbc327da48b97bcab
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1160035
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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This CL covers the following modification,
1) Added multiple engine_info support
2) Added multiple runlist_info support
3) Initial changes for ASYNC CE support
4) Added ASYNC CE interrupt handling support
for gm206 GPU family
5) Added generic mechanism to identify the
CE engine pri_base address for gm206
(CE0, CE1 and CE2)
6) Removed hard coded engine_id logic and
made generic way
7) Code cleanup for readability
JIRA DNVGPU-26
Change-Id: I2c3846c40bcc8d10c2dfb225caa4105fc9123b65
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1155963
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Removed platform data parameter clockgate_delay, since it is not
really used for gpu clock gating any more. Also use railgate_delay
as autosuspend delay instead of clockgate_delay.
Change-Id: I5b594b5a0e84295ed9971ecdf4865dc1a7dd936d
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/1159593
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Include t19x functionality only when config TEGRA_T19x_GPU
is enabled.
Bug 1757988
Change-Id: I049f134d92c4ffdeeed2bc513579f7d9d396ff41
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/1155297
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Disable irqs before suspending gpu sub-units.
This is to prevent potential races between irq threads
and suspend routines.
Change-Id: Icc60f517db8ae8129bcf10be53d37d34b6d9242c
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/1152844
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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To be able to scan, PCI devnodes need to be in a directory with read
permission. By default /dev is read protected by SELinux policy. Move
the devnodes to their own directory so that reading this one
directory can be allowed.
At the same time rename the nodes to start with string "card-".
JIRA DNVGPU-54
Change-Id: I0df4ced08afd1f3a468e983d07395ffcb8050365
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1152745
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
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Add support for chips gm204 and gm206. Adds also support for reading
VBIOS and booting devinit and pre-os images on PMU.
Change-Id: I4824b44245611e5379ace62793cc37158048f432
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1120467
GVS: Gerrit_Virtual_Submit
Reviewed-by: Ken Adams <kadams@nvidia.com>
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This reverts commit df05d2a7c214bc8cdb887f1609853d0f424ef6f1. It causes
intermittent failures on laguna_t124.
Bug 1766083
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Change-Id: Idabcf96d2eaddc989b029c429cec213bcabbf28c
Reviewed-on: http://git-master/r/1147683
Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com>
Tested-by: Alexander Van Brunt <avanbrunt@nvidia.com>
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Add below flag fields to gpu characteristics to indicate
supported and default preemption modes on platform for
graphics and compute
__u32 graphics_preemption_mode_flags;
__u32 compute_preemption_mode_flags;
__u32 default_graphics_preempt_mode;
__u32 default_compute_preempt_mode;
Add struct nvgpu_preemption_modes_rec to struct gr_gk20a
to store these values locally
Use platform specific get_preemption_mode_flags() to
get the flags and define gk20a/gm20b specific
get_preemption_mode_flags() API
Bug 1646259
Change-Id: I80193c0d988dc93bd96585f9aa631fd817f4dfa3
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1133595
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Deassert reset in L2 and FB before initializing L2. In gk20a L2 can
be off and thus writing registers results in a priv ring failure.
Change-Id: I680b8b1e77cf67a8269c6de59a15d9817301300e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1140482
(cherry picked from commit d85edcf4170d7bc59d2c080f4343bc2f959be023)
Reviewed-on: http://git-master/r/1143684
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
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GPU characteristics hard coded GPC mask of 1 and returned number of
enabled GPCs as maximum number of GPCs. Fix both gpc_count and
max_gpc_count to be returned correctly.
JIRA DNVGPU-6
Change-Id: I41598b2f2d2ada26b0ad433f40a51e59b14deadd
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1142185
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If bar1 resource remap fails during initialization, return the correct
error code from g->bar1 instead of g->regs.
Coverity ID 32068
Bug 200192125
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Change-Id: Ia326bfa122259c7b3402f78746673612f0ac0009
Reviewed-on: http://git-master/r/1141078
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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JIRA EVLR-244
JIRA EVLR-318
Change-Id: Ie95f42212dadcf2d0c1737eeb28812afb03b712f
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1120603
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Ken Adams <kadams@nvidia.com>
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In gk20a_pm_shutdown(), we currently wait for 2s
for all channels to finish their work
But we already cancel all the nvgpu workers, freeze
user processes during shutdown
So the waiting should not be required, and hence
remove it
Bug 200166139
Change-Id: I0012f1b3c0f4f676958d083f8c60a001f7015fb0
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1121918
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add support for probing PCIe graphics cards.
JIRA DNVGPU-7
Change-Id: Iad3d31a1dc0ca6575d8a9916857022cac9181948
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1127684
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Fix below sparse warnings :
drivers/gpu/nvgpu/gk20a/gk20a.c:764:5: warning: symbol
'gk20a_pm_finalize_poweron' was not declared. Should it be static?
drivers/gpu/nvgpu/gk20a/channel_gk20a.c:2504:14:
warning: symbol 'gk20a_event_id_poll' was not declared. Should it be
static?
drivers/gpu/nvgpu/gk20a/channel_gk20a.c:2538:5:
warning: symbol 'gk20a_event_id_release' was not declared. Should it be
static?
Bug 200067946
Bug 200088648
Change-Id: I5c23e7ee09c1a18fe2eeff12f80a3c2bf73120ef
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1128060
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Sri Krishna Chowdary <schowdary@nvidia.com>
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Bug 1735765
Change-Id: I6adf9cbe8ba636d5e05e2aa3ac46f7f20b1de7ed
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/1128303
Reviewed-by: Ken Adams <kadams@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
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gk20a_create_device now takes interface name as a parameter.
This patche adds it for ctxsw devnode.
Change-Id: Ic076159829574c6015056fb950f625a2233c015f
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1123721
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Make necessary changes to support nvgpu on kernel-3.10
This includes below changes
- PROBE_PREFER_ASYNCHRONOUS is defined only for K3.10
- Fence handling and struct sync_fence is different between
K3.10 and K3.18
- variable status in struct sync_fence is atomic on K3.18
whereas it is int on K3.10
- if SOC == T132, set soc_name = "tegra13x"
- ioremap_cache() is not defined on K3.10 ARM versions,
hence use ioremap_cached()
Bug 200188753
Change-Id: I18d77eb1404e15054e8510d67c9a61c0f1883e2b
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1121092
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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gk20a_gpu_is_virtual() needs to pass struct device *dev
and not pdev which is undefined
Change-Id: I8835bb1175efa693b468588e91aaef9e5531d0bc
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1125439
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
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Not all GPUs have stalling and non-stalling interrupt. Support
ones with just one interrupt line.
Change-Id: I0f1e8faa5b353b8d1b10691375bd853152379a3a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1120470
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Support GPUs which cannot choose between SMMU and physical
addressing.
Change-Id: If3256fa1bc795a84d039ad3aa63ebdccf5cc0afb
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1120469
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Use struct device instead of struct platform_device wherever
possible. This allows adding other bus types later.
Change-Id: I1657287a68d85a542cdbdd8a00d1902c3d6e00ed
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1120466
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As a result GPU driver unfication, one instance of CONFIG_PM_RUNTIME
got introduced. So replacing it with CONFIG_PM.
Bug 200188753
Change-Id: If3f55ac32f6800c54e5bf620684b54b39457a6f4
Signed-off-by: Sumit Singh <sumsingh@nvidia.com>
Reviewed-on: http://git-master/r/1121650
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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