| Commit message (Collapse) | Author | Age |
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The Pg init task hogs the kernel by having a wait condition with no timeout
waiting for pg state change, but ps state may not post a change in a long time
depending on runtime conditions, so we get soft-crashes warning spews in the
kernel
We solve this by making the condition wait interruptible
bug 200346134
Change-Id: I8a3349031acc5065b767dc22eec6e5df113d3ad7
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1566545
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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Construct a wrapper macro NV_ACCESS_ONCE(x) which uses OS specific
versions of ACCESS_ONCE. e.g for linux, ACCESS_ONCE(x) is used.
Jira NVGPU-125
Change-Id: Ia5c67baae111c1a7978c530bf279715fc808287d
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1549928
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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construct wrapper nvgpu_* methods to replace
mb,rmb,wmb,smp_mb,smp_rmb,smp_wmb,read_barrier_depends and
smp_read_barrier_depends.
NVGPU-122
Change-Id: I8d24dd70fef5cb0fadaacc15f3ab11531667a0df
Signed-off-by: Debarshi <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1541199
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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Move non-function pointer members out of the pmu and pmu_ver
substructs of gpu_ops. Ideally gpu_ops will have only function
ponters, better matching its intended purpose and improving
readability.
- g.ops.pmu_ver.cmd_id_zbc_table_update has been changed to
g.pmu_ver_cmd_id_zbc_table_update
- g.ops.pmu.lspmuwprinitdone has been changed to
g.pmu_lsf_pmu_wpr_init_done
- g.ops.pmu.lsfloadedfalconid has been changed to
g.pmu_lsf_loaded_falcon_id
Boolean flags have been implemented using the enabled.h API
- g.ops.pmu_ver.is_pmu_zbc_save_supported moved to
common flag NVGPU_PMU_ZBC_SAVE
- g.ops.pmu.fecsbootstrapdone moved to
common flag NVGPU_PMU_FECS_BOOTSTRAP_DONE
Jira NVGPU-74
Change-Id: I08fb20f8f382277f2c579f06d561914c000ea6e0
Signed-off-by: Sunny He <suhe@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1530981
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
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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Make the PMU_STATE_STARTED state change visible to the thread so that
the thread quits when it is no longer necessary.
Bug 200317814
Change-Id: I2a2d664bd772b5bb19ec096e50c9992fcec9170e
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master/r/1509968
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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- nvgpu_pmu_reset() as pmu reset for
all chips & removed gk20a_pmu_reset() &
gp106_pmu_reset() along with dependent
code.
- Created ops to do PMU engine reset & to
know the engine reset status
- Removed pmu.reset ops & replaced with
nvgpu_flcn_reset(pmu->flcn)
- Moved sec2 reset to sec2_gp106 from
pmu_gp106 & cleaned PMU code part of sec2.
JIRA NVGPU-99
Change-Id: I7575e4ca2b34922d73d171f6a41bfcdc2f40dc96
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master/r/1507881
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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- replace usage of pmu_copy_from_dmem() with
nvgpu_flcn_copy_from_dmem()
- delete nvgpu_flcn_copy_from_dmem()
JIRA NVGPU-99
Change-Id: If0919187078f95a165d6a152f180549ac121beaa
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master/r/1506534
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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msleep is not recommended for (1ms - 20ms). So use usleep_range
instead to have a more deterministic sleep time.
Also fix the print for target_ref_count that could either be 2 or
1 based on whether GPU rail-gating is enabled or not.
Bug 200294536
Change-Id: I26c9ed8a1badc84db5efa89347a227e6b46f603c
Signed-off-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-on: http://git-master/r/1500409
Reviewed-on: http://git-master/r/1503628
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
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When the pmu reaches PMU_STATE_STARTED, exit from the nvgpu_pg_init_task
thread as it's no longer necessary. This prevents a possibly long wait
on the signaling condition, which would make Linux think that the thread
has been blocked and print a warning.
Bug 200317814
Change-Id: I4104896867ee13eb9d53b1b19b659a7839adb73f
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1501504
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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- moved pg related code to pmu_pg.c under common/pmu folder
PG state machine support methods
PG ACK handlers
AELPG methods
PG enable/disable methods
-prepended with nvgpu_ for elpg/aelpg global methods
by replacing gk20a_
JIRA NVGPU-97
Change-Id: I2148a69ff86b5c5d43c521ff6e241db84afafd82
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1498363
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Moved PMU FB access related code from pmu_gk20a.c to
"drivers/gpu/nvgpu/common/pmu/pmu.c" file
- Prepended with nvgpu_ for global functions & replaced
wherever used.
JIRA NVGPU-56
JIRA NVGPU-94
Change-Id: I42bfd9d216e6b35672a9738f01302d954b32b69e
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1480551
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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- Moved PMU init code from pmu_gk20a.c to
"drivers/gpu/nvgpu/common/pmu/pmu.c" file
- Moved below related methods
SW/HW init,
init msg handler,
deinit/destroy,
PMU state machine
-Created HAL methods to read message queue tail
& supported mutex count.
-prepend with nvgpu_ for pmu init global
mehtods
JIRA NVGPU-56
JIRA NVGPU-92
Change-Id: Iea9efc194fefa74fb5641d2b2f4633577d2c3a47
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1480002
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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