diff options
Diffstat (limited to 'drivers/accel/ivpu/ivpu_pm.c')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_pm.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c index 7cce1c928a7f4..4f5ea466731ff 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); |