accel/ivpu: Fix PCI D0 state entry in resume

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In case of failed power up we end up left in PCI D3hot
state making it impossible to access NPU registers on retry.
Enter D0 state on retry before proceeding with power up sequence.

Fixes: 28083ff18d ("accel/ivpu: Fix DevTLB errors on suspend/resume and recovery")
Cc: <stable@vger.kernel.org> # v6.8+
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/20240402104929.941186-4-jacek.lawrynowicz@linux.intel.com

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Wachowski, Karol 2024-04-02 12:49:24 +02:00 • committed by Jacek Lawrynowicz

parent e3caadf1f9

commit 3534eacbf1

1 changed files with 2 additions and 2 deletions

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drivers/accel/ivpu/ivpu_pm.c

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