[Bug]: ProcessingRate is advertised but unimplemented

[NoNaeAbC]

Which component impacted?

No response

Is it regression? Good in old configuration?

None

What happened?

This issue is LLM generated

This driver exposes VA_PROCESSING_RATE_ENCODE but doesn't implement QueryProcessingRate

capstable_data_av1_encode_xe3_lpm_r0_specific.h:81

   {VAConfigAttribProcessingRate, VA_PROCESSING_RATE_ENCODE},

media_libva_interface_next.cpp:5340

VAStatus MediaLibvaInterfaceNext::QueryProcessingRate(
    VADriverContextP           ctx,
    VAConfigID                 configId,
    VAProcessingRateParameter  *procBuf,
    uint32_t                   *processingRate)
{
    DDI_FUNC_ENTER;
    return VA_STATUS_ERROR_UNIMPLEMENTED;
}

What's the usage scenario when you are seeing the problem?

Transcode for media delivery

What impacted?

No response

Debug Information

No response

Do you want to contribute a patch to fix the issue?

None