diff options
| author | Ben Goz <ben.goz@amd.com> | 2015-03-25 13:12:20 +0200 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2015-06-06 22:26:39 +0300 |
| commit | a82918f18a846e4e2be8613029d03c3cb3e99460 (patch) | |
| tree | a3588ab03174c1f2b603faeec53ec762f0975c37 /drivers/gpu/drm/amd/amdkfd/kfd_process.c | |
| parent | 6235e15ea6d0f39ef72ecaf9d3add995550c60ee (diff) | |
| download | linux-next-a82918f18a846e4e2be8613029d03c3cb3e99460.tar.gz | |
drm/amdkfd: make reset wavefronts per process per device
This commit moves the reset wavefront flag to per process per device
data structure, so we can support multiple devices.
Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_process.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_process.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 56b904f5bdb1..8a1f999daa24 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -173,7 +173,7 @@ static void kfd_process_wq_release(struct work_struct *work) pr_debug("Releasing pdd (topology id %d) for process (pasid %d) in workqueue\n", pdd->dev->id, p->pasid); - if (p->reset_wavefronts) + if (pdd->reset_wavefronts) dbgdev_wave_reset_wavefronts(pdd->dev, p); amd_iommu_unbind_pasid(pdd->dev->pdev, p->pasid); @@ -222,6 +222,7 @@ static void kfd_process_notifier_release(struct mmu_notifier *mn, struct mm_struct *mm) { struct kfd_process *p; + struct kfd_process_device *pdd = NULL; /* * The kfd_process structure can not be free because the @@ -240,6 +241,15 @@ static void kfd_process_notifier_release(struct mmu_notifier *mn, /* In case our notifier is called before IOMMU notifier */ pqm_uninit(&p->pqm); + /* Iterate over all process device data structure and check + * if we should reset all wavefronts */ + list_for_each_entry(pdd, &p->per_device_data, per_device_list) + if (pdd->reset_wavefronts) { + pr_warn("amdkfd: Resetting all wave fronts\n"); + dbgdev_wave_reset_wavefronts(pdd->dev, p); + pdd->reset_wavefronts = false; + } + mutex_unlock(&p->mutex); /* @@ -305,8 +315,6 @@ static struct kfd_process *create_process(const struct task_struct *thread) if (kfd_init_apertures(process) != 0) goto err_init_apretures; - process->reset_wavefronts = false; - return process; err_init_apretures: @@ -348,6 +356,7 @@ struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, INIT_LIST_HEAD(&pdd->qpd.queues_list); INIT_LIST_HEAD(&pdd->qpd.priv_queue_list); pdd->qpd.dqm = dev->dqm; + pdd->reset_wavefronts = false; list_add(&pdd->per_device_list, &p->per_device_data); } @@ -409,10 +418,12 @@ void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid) kfd_dbgmgr_destroy(dev->dbgmgr); pqm_uninit(&p->pqm); - if (p->reset_wavefronts) - dbgdev_wave_reset_wavefronts(dev, p); pdd = kfd_get_process_device_data(dev, p); + if (pdd->reset_wavefronts) { + dbgdev_wave_reset_wavefronts(pdd->dev, p); + pdd->reset_wavefronts = false; + } /* * Just mark pdd as unbound, because we still need it to call |