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| author | Tal Cohen <talcohen@habana.ai> | 2023-03-22 11:20:05 +0200 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2023-04-08 10:39:33 +0300 |
| commit | 3a8d7c3a7d1bf7d1f2121c1f467d6b349b7bf807 (patch) | |
| tree | c417fa926d737c2743ad82a1e8123445b3aaad47 /drivers/accel | |
| parent | a855f710f5d40537bc2bf5f924827416653db39f (diff) | |
| download | lwn-3a8d7c3a7d1bf7d1f2121c1f467d6b349b7bf807.tar.gz lwn-3a8d7c3a7d1bf7d1f2121c1f467d6b349b7bf807.zip | |
accel/habanalabs: send disable pci when compute ctx is active
Fix an issue in hard reset flow in which the driver didn't send a
disable pci message if there was an active compute context.
In hard reset, disable pci message should be sent no matter if
a compute context exists or not.
Signed-off-by: Tal Cohen <talcohen@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Diffstat (limited to 'drivers/accel')
| -rw-r--r-- | drivers/accel/habanalabs/common/device.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/accel/habanalabs/common/device.c b/drivers/accel/habanalabs/common/device.c index c36de13d6729..3c1af9d43b65 100644 --- a/drivers/accel/habanalabs/common/device.c +++ b/drivers/accel/habanalabs/common/device.c @@ -1386,7 +1386,7 @@ static void handle_reset_trigger(struct hl_device *hdev, u32 flags) /* No consecutive mechanism when user context exists */ if (hdev->is_compute_ctx_active) - return; + goto disable_pci; /* * 'reset cause' is being updated here, because getting here @@ -1425,6 +1425,8 @@ static void handle_reset_trigger(struct hl_device *hdev, u32 flags) * If F/W is performing the reset, no need to send it a message to disable * PCI access */ + +disable_pci: if ((flags & HL_DRV_RESET_HARD) && !(flags & (HL_DRV_RESET_HEARTBEAT | HL_DRV_RESET_BYPASS_REQ_TO_FW))) { /* Disable PCI access from device F/W so he won't send |