If fatal error is detected, packet submission won't go through. Return
error in such cases. Also, avoid waiting for fence when fatal error is
detected.
Signed-off-by: Lijo Lazar <lijo.la...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 5 +++++
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 1 +
drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 4 ++++
drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c | 8 +++++++-
drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h | 2 +-
drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c | 10 +++++-----
6 files changed, 23 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index 190039f14c30..f5f2945711be 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -742,6 +742,11 @@ void amdgpu_amdkfd_debug_mem_fence(struct amdgpu_device
*adev)
amdgpu_device_flush_hdp(adev, NULL);
}
+bool amdgpu_amdkfd_is_fed(struct amdgpu_device *adev)
+{
+ return amdgpu_ras_get_fed_status(adev);
+}
+
void amdgpu_amdkfd_ras_poison_consumption_handler(struct amdgpu_device *adev,
enum amdgpu_ras_block block, bool reset)
{
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
index e60f63ccf79a..4fb32d86cd0e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
@@ -337,6 +337,7 @@ int amdgpu_amdkfd_get_tile_config(struct amdgpu_device
*adev,
struct tile_config *config);
void amdgpu_amdkfd_ras_poison_consumption_handler(struct amdgpu_device *adev,
enum amdgpu_ras_block block, bool reset);
+bool amdgpu_amdkfd_is_fed(struct amdgpu_device *adev);
bool amdgpu_amdkfd_bo_mapped_to_dev(struct amdgpu_device *adev, struct kgd_mem
*mem);
void amdgpu_amdkfd_block_mmu_notifications(void *p);
int amdgpu_amdkfd_criu_resume(void *p);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index c0e71543389a..f4d395e38683 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -1903,6 +1903,10 @@ int amdkfd_fence_wait_timeout(struct
device_queue_manager *dqm,
uint64_t *fence_addr = dqm->fence_addr;
while (*fence_addr != fence_value) {
+ /* Fatal err detected, this response won't come */
+ if (amdgpu_amdkfd_is_fed(dqm->dev->adev))
+ return -EIO;
+
if (time_after(jiffies, end_jiffies)) {
dev_err(dev, "qcm fence wait loop timeout expired\n");
/* In HWS case, this is used to halt the driver thread
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
index 1bea629c49ca..32c926986dbb 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
@@ -286,7 +286,7 @@ int kq_acquire_packet_buffer(struct kernel_queue *kq,
return -ENOMEM;
}
-void kq_submit_packet(struct kernel_queue *kq)
+int kq_submit_packet(struct kernel_queue *kq)
{
#ifdef DEBUG
int i;
@@ -298,6 +298,10 @@ void kq_submit_packet(struct kernel_queue *kq)
}
pr_debug("\n");
#endif
+ /* Fatal err detected, packet submission won't go through */
+ if (amdgpu_amdkfd_is_fed(kq->dev->adev))
+ return -EIO;
+
if (kq->dev->kfd->device_info.doorbell_size == 8) {
*kq->wptr64_kernel = kq->pending_wptr64;
write_kernel_doorbell64(kq->queue->properties.doorbell_ptr,
@@ -307,6 +311,8 @@ void kq_submit_packet(struct kernel_queue *kq)
write_kernel_doorbell(kq->queue->properties.doorbell_ptr,
kq->pending_wptr);
}
+
+ return 0;
}
void kq_rollback_packet(struct kernel_queue *kq)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h
b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h
index 9a6244430845..e24ee50acdf0 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h
@@ -47,7 +47,7 @@
int kq_acquire_packet_buffer(struct kernel_queue *kq,
size_t packet_size_in_dwords,
unsigned int **buffer_ptr);
-void kq_submit_packet(struct kernel_queue *kq);
+int kq_submit_packet(struct kernel_queue *kq);
void kq_rollback_packet(struct kernel_queue *kq);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
index 401096c103b2..d6f65f39072b 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
@@ -288,7 +288,7 @@ int pm_send_set_resources(struct packet_manager *pm,
retval = pm->pmf->set_resources(pm, buffer, res);
if (!retval)
- kq_submit_packet(pm->priv_queue);
+ retval = kq_submit_packet(pm->priv_queue);
else
kq_rollback_packet(pm->priv_queue);
@@ -325,7 +325,7 @@ int pm_send_runlist(struct packet_manager *pm, struct
list_head *dqm_queues)
if (retval)
goto fail_create_runlist;
- kq_submit_packet(pm->priv_queue);
+ retval = kq_submit_packet(pm->priv_queue);
mutex_unlock(&pm->lock);
@@ -361,7 +361,7 @@ int pm_send_query_status(struct packet_manager *pm,
uint64_t fence_address,
retval = pm->pmf->query_status(pm, buffer, fence_address, fence_value);
if (!retval)
- kq_submit_packet(pm->priv_queue);
+ retval = kq_submit_packet(pm->priv_queue);
else
kq_rollback_packet(pm->priv_queue);
@@ -392,7 +392,7 @@ int pm_update_grace_period(struct packet_manager *pm,
uint32_t grace_period)
retval = pm->pmf->set_grace_period(pm, buffer, grace_period);
if (!retval)
- kq_submit_packet(pm->priv_queue);
+ retval = kq_submit_packet(pm->priv_queue);
else
kq_rollback_packet(pm->priv_queue);
}
@@ -421,7 +421,7 @@ int pm_send_unmap_queue(struct packet_manager *pm,
retval = pm->pmf->unmap_queues(pm, buffer, filter, filter_param, reset);
if (!retval)
- kq_submit_packet(pm->priv_queue);
+ retval = kq_submit_packet(pm->priv_queue);
else
kq_rollback_packet(pm->priv_queue);
--
2.25.1
