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path: root/drivers/gpu/nvgpu/common/pmu/pmu.c
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* gpu: nvgpu: pg init task hogging cpuDavid Nieto2017-09-25
| | | | | | | | | | | | | | | | | | | | | | | 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>
* gpu: nvgpu: NVGPU abstraction for ACCESS_ONCEDebarshi Dutta2017-09-03
| | | | | | | | | | | | | | | | 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>
* gpu: nvgpu: Nvgpu abstraction for linux barriers.Debarshi Dutta2017-08-22
| | | | | | | | | | | | | | | | | 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>
* gpu: nvgpu: Move non-fp pmu members from gpu_opsSunny He2017-08-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* gpu: nvgpu: post PMU_STATE_STARTED for pmu threadKonsta Holtta2017-06-29
| | | | | | | | | | | | | 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>
* gpu: nvgpu: PMU reset reorgMahantesh Kumbar2017-06-29
| | | | | | | | | | | | | | | | | | | | | | | | - 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>
* gpu: nvgpu: use nvgpu_flcn_copy_from_dmem()Mahantesh Kumbar2017-06-27
| | | | | | | | | | | | | | - 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>
* gpu: nvgpu: use usleep_range instead of msleepBharat Nihalani2017-06-19
| | | | | | | | | | | | | | | | | | 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
* gpu: nvgpu: exit pmu thread after bootKonsta Holtta2017-06-19
| | | | | | | | | | | | | | | 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>
* gpu: nvgpu: moved pg out from pmu_gk20a.c/hMahantesh Kumbar2017-06-13
| | | | | | | | | | | | | | | | | | | - 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>
* gpu: nvgpu: reorganize PMU FB alloc/freeMahantesh Kumbar2017-06-13
| | | | | | | | | | | | | | | | | | 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>
* gpu: nvgpu: reorganize PMU initMahantesh Kumbar2017-06-12
- 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>
generated by cgit v1.2.2 (git 2.25.0) at 2024-08-26 00:35:33 -0400