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drm/amdkfd: destroy dbgmgr in notifier release

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amdkfd need to destroy the debug manager in case amdkfd's notifier
function is called before the unbind function, because in that case,
the unbind function will exit without destroying debug manager.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
CC: Stable <stable@vger.kernel.org>
This commit is contained in:
Oded Gabbay
2016-05-26 08:41:48 +03:00
parent 121b78e679
commit bc4755a4bd
1 changed files with 8 additions and 2 deletions
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10
drivers/gpu/drm/amd/amdkfd/kfd_process.c
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@@ -242,13 +242,19 @@ static void kfd_process_notifier_release(struct mmu_notifier *mn,
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 we should delete debug managers and reset all wavefronts
*/
list_for_each_entry(pdd, &p->per_device_data, per_device_list) {
if ((pdd->dev->dbgmgr) &&
(pdd->dev->dbgmgr->pasid == p->pasid))
kfd_dbgmgr_destroy(pdd->dev->dbgmgr);
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);