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authorTomer Tayar <ttayar@habana.ai>2022-09-30 17:02:19 +0300
committerOded Gabbay <ogabbay@kernel.org>2022-11-23 17:13:44 +0300
commit1b363adc7fbe37c4b6c18864c1f7043d85b4af6e (patch)
tree5806cc88495a1451f03dbd0bf77c21e10630b33f /drivers/misc
parentd1ce7e5ea140bb01d8c6faded09b9264bb83f722 (diff)
downloadlinux-1b363adc7fbe37c4b6c18864c1f7043d85b4af6e.tar.xz
habanalabs: use graceful hard reset for CS timeouts
Use graceful hard reset when detecting a CS timeout that requires a device reset. Signed-off-by: Tomer Tayar <ttayar@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/habanalabs/common/command_submission.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/misc/habanalabs/common/command_submission.c b/drivers/misc/habanalabs/common/command_submission.c
index fa05770865c6..f1c69c8ed74a 100644
--- a/drivers/misc/habanalabs/common/command_submission.c
+++ b/drivers/misc/habanalabs/common/command_submission.c
@@ -798,7 +798,7 @@ out:
static void cs_timedout(struct work_struct *work)
{
struct hl_device *hdev;
- u64 event_mask;
+ u64 event_mask = 0x0;
int rc;
struct hl_cs *cs = container_of(work, struct hl_cs,
work_tdr.work);
@@ -830,11 +830,7 @@ static void cs_timedout(struct work_struct *work)
if (rc) {
hdev->captured_err_info.cs_timeout.timestamp = ktime_get();
hdev->captured_err_info.cs_timeout.seq = cs->sequence;
-
- event_mask = device_reset ? (HL_NOTIFIER_EVENT_CS_TIMEOUT |
- HL_NOTIFIER_EVENT_DEVICE_RESET) : HL_NOTIFIER_EVENT_CS_TIMEOUT;
-
- hl_notifier_event_send_all(hdev, event_mask);
+ event_mask |= HL_NOTIFIER_EVENT_CS_TIMEOUT;
}
switch (cs->type) {
@@ -869,8 +865,12 @@ static void cs_timedout(struct work_struct *work)
cs_put(cs);
- if (device_reset)
- hl_device_reset(hdev, HL_DRV_RESET_TDR);
+ if (device_reset) {
+ event_mask |= HL_NOTIFIER_EVENT_DEVICE_RESET;
+ hl_device_cond_reset(hdev, HL_DRV_RESET_TDR, event_mask);
+ } else if (event_mask) {
+ hl_notifier_event_send_all(hdev, event_mask);
+ }
}
static int allocate_cs(struct hl_device *hdev, struct hl_ctx *ctx,