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path: root/drivers/accel/ivpu/ivpu_pm.c
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Diffstat (limited to 'drivers/accel/ivpu/ivpu_pm.c')
-rw-r--r--drivers/accel/ivpu/ivpu_pm.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c
index 7cce1c928a7f..4f5ea466731f 100644
--- a/drivers/accel/ivpu/ivpu_pm.c
+++ b/drivers/accel/ivpu/ivpu_pm.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Copyright (C) 2020-2023 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
*/
#include <linux/highmem.h>
@@ -58,14 +58,11 @@ static int ivpu_suspend(struct ivpu_device *vdev)
{
int ret;
- /* Save PCI state before powering down as it sometimes gets corrupted if NPU hangs */
- pci_save_state(to_pci_dev(vdev->drm.dev));
+ ivpu_prepare_for_reset(vdev);
ret = ivpu_shutdown(vdev);
if (ret)
- ivpu_err(vdev, "Failed to shutdown VPU: %d\n", ret);
-
- pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot);
+ ivpu_err(vdev, "Failed to shutdown NPU: %d\n", ret);
return ret;
}
@@ -74,10 +71,10 @@ static int ivpu_resume(struct ivpu_device *vdev)
{
int ret;
- pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D0);
+retry:
pci_restore_state(to_pci_dev(vdev->drm.dev));
+ pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D0);
-retry:
ret = ivpu_hw_power_up(vdev);
if (ret) {
ivpu_err(vdev, "Failed to power up HW: %d\n", ret);
@@ -100,6 +97,7 @@ err_mmu_disable:
ivpu_mmu_disable(vdev);
err_power_down:
ivpu_hw_power_down(vdev);
+ pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot);
if (!ivpu_fw_is_cold_boot(vdev)) {
ivpu_pm_prepare_cold_boot(vdev);