diff options
| author | Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> | 2023-01-17 10:27:23 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2023-01-19 11:12:08 +0100 |
| commit | 852be13f3bd32c1eab808840cfac41b1fea25991 (patch) | |
| tree | 4ad314eea23481fea7a534e5b2805b72879a7554 /drivers/accel/ivpu/ivpu_ipc.c | |
| parent | cd7272215c44676dba236491941c6c406701cc5e (diff) | |
accel/ivpu: Add PM support
- Implement cold and warm firmware boot flows
- Add hang recovery support
- Add runtime power management support
Co-developed-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com>
Signed-off-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20230117092723.60441-8-jacek.lawrynowicz@linux.intel.com
Diffstat (limited to 'drivers/accel/ivpu/ivpu_ipc.c')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_ipc.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/accel/ivpu/ivpu_ipc.c b/drivers/accel/ivpu/ivpu_ipc.c index c756476bfc5b..3adcfa80fc0e 100644 --- a/drivers/accel/ivpu/ivpu_ipc.c +++ b/drivers/accel/ivpu/ivpu_ipc.c @@ -14,6 +14,7 @@ #include "ivpu_hw_reg_io.h" #include "ivpu_ipc.h" #include "ivpu_jsm_msg.h" +#include "ivpu_pm.h" #define IPC_MAX_RX_MSG 128 #define IS_KTHREAD() (get_current()->flags & PF_KTHREAD) @@ -294,18 +295,27 @@ int ivpu_ipc_send_receive(struct ivpu_device *vdev, struct vpu_jsm_msg *req, { struct vpu_jsm_msg hb_req = { .type = VPU_JSM_MSG_QUERY_ENGINE_HB }; struct vpu_jsm_msg hb_resp; - int ret; + int ret, hb_ret; + + ret = ivpu_rpm_get(vdev); + if (ret < 0) + return ret; ret = ivpu_ipc_send_receive_internal(vdev, req, expected_resp_type, resp, channel, timeout_ms); if (ret != -ETIMEDOUT) - return ret; + goto rpm_put; - ret = ivpu_ipc_send_receive_internal(vdev, &hb_req, VPU_JSM_MSG_QUERY_ENGINE_HB_DONE, - &hb_resp, VPU_IPC_CHAN_ASYNC_CMD, vdev->timeout.jsm); - if (ret == -ETIMEDOUT) + hb_ret = ivpu_ipc_send_receive_internal(vdev, &hb_req, VPU_JSM_MSG_QUERY_ENGINE_HB_DONE, + &hb_resp, VPU_IPC_CHAN_ASYNC_CMD, + vdev->timeout.jsm); + if (hb_ret == -ETIMEDOUT) { ivpu_hw_diagnose_failure(vdev); + ivpu_pm_schedule_recovery(vdev); + } +rpm_put: + ivpu_rpm_put(vdev); return ret; } |