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From e6e164390d4d12e9afc8798ea5b0afd11bcdb379 Mon Sep 17 00:00:00 2001
From: Shaoyun Liu <Shaoyun.Liu@amd.com>
Date: Fri, 26 Jan 2018 12:14:58 -0500
Subject: [PATCH 3313/4131] drm/amdkfd: Add gpu reset interface and place
holder
Change-Id: I0e3bc1761992e95138b7b5508bfe9cbb09fe3208
Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
---
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 489c4a8..d3cfd67 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -646,6 +646,16 @@ 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 c3e50e2..b6f9d23 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_module.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c
@@ -46,6 +46,8 @@ 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 e04f6f9..28fac2d 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -884,6 +884,10 @@ 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);
int kfd_set_process_dgpu_aperture(struct kfd_process_device *pdd,
--
2.7.4
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