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| author |  Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
| 2024-04-02 12:49:25 +0200 |
|---|---|---|
| committer | Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
| 2024-04-08 10:54:21 +0200 |
| commit | 875bc9cd1b33eb027a5663f5e6878a43d98e9a16 (patch) | |
| tree | 28353609869a8d7da1d4c783da894814346d0e98 /drivers/accel | |
| parent | accel/ivpu: Fix PCI D0 state entry in resume (diff) | |
| download | linux-875bc9cd1b33eb027a5663f5e6878a43d98e9a16.tar.gz linux-875bc9cd1b33eb027a5663f5e6878a43d98e9a16.tar.bz2 linux-875bc9cd1b33eb027a5663f5e6878a43d98e9a16.zip | |
accel/ivpu: Put NPU back to D3hot after failed resume
Put NPU in D3hot after ivpu_resume() fails to power up the device.
This will assure that D3->D0 power cycle will be performed before
the next resume and also will minimize power usage in this corner case.
Fixes: 28083ff18d3f ("accel/ivpu: Fix DevTLB errors on suspend/resume and recovery")
Cc: <stable@vger.kernel.org> # v6.8+
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/20240402104929.941186-5-jacek.lawrynowicz@linux.intel.com
Diffstat (limited to 'drivers/accel')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_pm.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c index 325b82f8d971..ba51781b5896 100644 --- a/drivers/accel/ivpu/ivpu_pm.c +++ b/drivers/accel/ivpu/ivpu_pm.c @@ -97,6 +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); |