accel/ivpu: Add diagnostic messages when VPU fails to boot or suspend

Make boot/suspend failure debugging easier by dumping FW logs and error
registers.

Signed-off-by: Wachowski, Karol <karol.wachowski@intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240115134434.493839-5-jacek.lawrynowicz@linux.intel.com

diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c
index 0c31804..ec66c2c 100644 (file)
--- a/drivers/accel/ivpu/ivpu_drv.c
+++ b/drivers/accel/ivpu/ivpu_drv.c
@@ -17,6 +17,7 @@
 #include "ivpu_debugfs.h"
 #include "ivpu_drv.h"
 #include "ivpu_fw.h"
+#include "ivpu_fw_log.h"
 #include "ivpu_gem.h"
 #include "ivpu_hw.h"
 #include "ivpu_ipc.h"
@@ -340,8 +341,6 @@ static int ivpu_wait_for_ready(struct ivpu_device *vdev)
 
        if (!ret)
                ivpu_dbg(vdev, PM, "VPU ready message received successfully\n");
-       else
-               ivpu_hw_diagnose_failure(vdev);
 
        return ret;
 }
@@ -369,7 +368,9 @@ int ivpu_boot(struct ivpu_device *vdev)
        ret = ivpu_wait_for_ready(vdev);
        if (ret) {
                ivpu_err(vdev, "Failed to boot the firmware: %d\n", ret);
+               ivpu_hw_diagnose_failure(vdev);
                ivpu_mmu_evtq_dump(vdev);
+               ivpu_fw_log_dump(vdev);
                return ret;
        }
 

diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c
index 0af8864..8407f1d 100644 (file)
--- a/drivers/accel/ivpu/ivpu_pm.c
+++ b/drivers/accel/ivpu/ivpu_pm.c
@@ -13,6 +13,7 @@
 #include "ivpu_drv.h"
 #include "ivpu_hw.h"
 #include "ivpu_fw.h"
+#include "ivpu_fw_log.h"
 #include "ivpu_ipc.h"
 #include "ivpu_job.h"
 #include "ivpu_jsm_msg.h"
@@ -247,7 +248,8 @@ int ivpu_pm_runtime_suspend_cb(struct device *dev)
                ivpu_err(vdev, "Failed to set suspend VPU: %d\n", ret);
 
        if (!hw_is_idle) {
-               ivpu_warn(vdev, "VPU failed to enter idle, force suspended.\n");
+               ivpu_err(vdev, "VPU failed to enter idle, force suspended.\n");
+               ivpu_fw_log_dump(vdev);
                ivpu_pm_prepare_cold_boot(vdev);
        } else {
                ivpu_pm_prepare_warm_boot(vdev);