diff options
| author | Jörg Wagner <jorwag@google.com> | 2023-08-31 19:15:13 +0000 |
|---|---|---|
| committer | Jörg Wagner <jorwag@google.com> | 2023-09-01 09:13:55 +0000 |
| commit | b6fd708b3a4da86a196a61592ea3585f1aca7313 (patch) | |
| tree | 1cbe3029a45bf9869c17a5b6954e5ae074b44ac8 /mali_kbase/mali_kbase_pm.c | |
| parent | 46edf1b5965d872c5f8a09c6dc3dcbff58f78a92 (diff) | |
| parent | e61eb93296e9f940b32d4ad4b0c3a5557cbeaf17 (diff) | |
| download | gpu-b6fd708b3a4da86a196a61592ea3585f1aca7313.tar.gz | |
Merge r44p1-00dev3 from partner/upstream into android13-gs-pixel-5.10-udc-qpr1
Bug: 290882327
Change-Id: I90723cbaa3f294431087587fd8025f0688e51bf2
Diffstat (limited to 'mali_kbase/mali_kbase_pm.c')
| -rw-r--r-- | mali_kbase/mali_kbase_pm.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/mali_kbase/mali_kbase_pm.c b/mali_kbase/mali_kbase_pm.c index bfd5b7e..40278a8 100644 --- a/mali_kbase/mali_kbase_pm.c +++ b/mali_kbase/mali_kbase_pm.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note /* * - * (C) COPYRIGHT 2010-2022 ARM Limited. All rights reserved. + * (C) COPYRIGHT 2010-2023 ARM Limited. All rights reserved. * * This program is free software and is provided to you under the terms of the * GNU General Public License version 2 as published by the Free Software @@ -211,10 +211,28 @@ int kbase_pm_driver_suspend(struct kbase_device *kbdev) kbdev->pm.active_count == 0); dev_dbg(kbdev->dev, ">wait_event - waiting done\n"); +#if MALI_USE_CSF + /* At this point, any kbase context termination should either have run to + * completion and any further context termination can only begin after + * the system resumes. Therefore, it is now safe to skip taking the context + * list lock when traversing the context list. + */ + if (kbase_csf_kcpu_queue_halt_timers(kbdev)) { + rt_mutex_lock(&kbdev->pm.lock); + kbdev->pm.suspending = false; + rt_mutex_unlock(&kbdev->pm.lock); + return -1; + } +#endif + /* NOTE: We synchronize with anything that was just finishing a * kbase_pm_context_idle() call by locking the pm.lock below */ if (kbase_hwaccess_pm_suspend(kbdev)) { +#if MALI_USE_CSF + /* Resume the timers in case of suspend failure. */ + kbase_csf_kcpu_queue_resume_timers(kbdev); +#endif rt_mutex_lock(&kbdev->pm.lock); kbdev->pm.suspending = false; rt_mutex_unlock(&kbdev->pm.lock); @@ -262,6 +280,8 @@ void kbase_pm_driver_resume(struct kbase_device *kbdev, bool arb_gpu_start) kbasep_js_resume(kbdev); #else kbase_csf_scheduler_pm_resume(kbdev); + + kbase_csf_kcpu_queue_resume_timers(kbdev); #endif /* Matching idle call, to power off the GPU/cores if we didn't actually @@ -283,6 +303,10 @@ void kbase_pm_driver_resume(struct kbase_device *kbdev, bool arb_gpu_start) /* Resume HW counters intermediaries. */ kbase_vinstr_resume(kbdev->vinstr_ctx); kbase_kinstr_prfcnt_resume(kbdev->kinstr_prfcnt_ctx); + /* System resume callback is complete */ + kbdev->pm.resuming = false; + /* Unblock the threads waiting for the completion of System suspend/resume */ + wake_up_all(&kbdev->pm.resume_wait); } int kbase_pm_suspend(struct kbase_device *kbdev) |