From e3b7a967743c2e10457442ffafcb715a41255f28 Mon Sep 17 00:00:00 2001 From: Shaoyun Liu Date: Wed, 11 Jul 2018 22:32:54 -0400 Subject: [PATCH] drm/amdkfd: Add gpu reset interface and place holder MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Shaoyun Liu Reviewed-by: Felix Kuehling Signed-off-by: Felix Kuehling Acked-by: Christian König Signed-off-by: Oded Gabbay --- drivers/gpu/drm/amd/amdkfd/kfd_device.c | 10 ++++++++++ drivers/gpu/drm/amd/amdkfd/kfd_module.c | 2 ++ drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 4 ++++ 3 files changed, 16 insertions(+) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 600751175760..a8226d8b86cc 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -514,6 +514,16 @@ void kgd2kfd_device_exit(struct kfd_dev *kfd) kfree(kfd); } +int kgd2kfd_pre_reset(struct kfd_dev *kfd) +{ + return 0; +} + +int kgd2kfd_post_reset(struct kfd_dev *kfd) +{ + return 0; +} + void kgd2kfd_suspend(struct kfd_dev *kfd) { if (!kfd->init_complete) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_module.c b/drivers/gpu/drm/amd/amdkfd/kfd_module.c index 76bf2dc8aec4..ee7bf07db472 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_module.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c @@ -47,6 +47,8 @@ static const struct kgd2kfd_calls kgd2kfd = { .resume_mm = kgd2kfd_resume_mm, .schedule_evict_and_restore_process = kgd2kfd_schedule_evict_and_restore_process, + .pre_reset = kgd2kfd_pre_reset, + .post_reset = kgd2kfd_post_reset, }; int sched_policy = KFD_SCHED_POLICY_HWS; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index cd5121d925e0..4bc8d5af419d 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -815,6 +815,10 @@ bool interrupt_is_wanted(struct kfd_dev *dev, void kgd2kfd_suspend(struct kfd_dev *kfd); int kgd2kfd_resume(struct kfd_dev *kfd); +/* GPU reset */ +int kgd2kfd_pre_reset(struct kfd_dev *kfd); +int kgd2kfd_post_reset(struct kfd_dev *kfd); + /* amdkfd Apertures */ int kfd_init_apertures(struct kfd_process *process); -- 2.45.2