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author | Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> | 2024-04-02 12:49:23 +0200 |
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committer | Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> | 2024-04-08 10:53:20 +0200 |
commit | e3caadf1f9dfc9d62b5ffc3bd73ebac0c8f26b3f (patch) | |
tree | feb20faca7381330a4b9e5745954069e3efd3401 /drivers/accel/ivpu/ivpu_pm.c | |
parent | f0cf7ffcd02953c72fed5995378805883d16203e (diff) | |
download | lwn-e3caadf1f9dfc9d62b5ffc3bd73ebac0c8f26b3f.tar.gz lwn-e3caadf1f9dfc9d62b5ffc3bd73ebac0c8f26b3f.zip |
accel/ivpu: Remove d3hot_after_power_off WA
Always enter D3hot after entering D0i3 an all platforms.
This minimizes power usage.
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/20240402104929.941186-3-jacek.lawrynowicz@linux.intel.com
Diffstat (limited to 'drivers/accel/ivpu/ivpu_pm.c')
-rw-r--r-- | drivers/accel/ivpu/ivpu_pm.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c index 7cce1c928a7f..9cbd7af6576b 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> @@ -58,15 +58,12 @@ 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); - return ret; } |