[PATCH 08/11] accel/ivpu: Pass D0i3 residency time to the VPU firmware

Jeffrey Hugo quic_jhugo at quicinc.com
Fri Oct 27 14:51:01 UTC 2023


On 10/25/2023 3:43 AM, Stanislaw Gruszka wrote:
> From: Andrzej Kacprowski <andrzej.kacprowski at linux.intel.com>
> 
> The firmware needs to know the time spend in D0i3/D3 to

spent?

> calculate telemetry data. The D0i3/D3 residency time is
> calculated by the driver and passed to the firmware
> in the boot parameters.
> 
> The driver also passes VPU perf counter value captured
> right before entering D0i3 - this allows the VPU firmware
> to generate monotonic timestamps for the logs.
> 
> Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski at linux.intel.com>
> Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka at linux.intel.com>
> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka at linux.intel.com>

Reviewed-by: Jeffrey Hugo <quic_jhugo at quicinc.com>


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