[PATCH 1/7] accel/ivpu: Force snooping for MMU writes

[Jeffrey Hugo]

On 1/26/2024 5:27 AM, Jacek Lawrynowicz wrote:
> From: "Wachowski, Karol" <karol.wachowski at intel.com>
> 
> Set AW_SNOOP_OVERRIDE bit in VPU_37/40XX_HOST_IF_TCU_PTW_OVERRIDES
> to force snooping for MMU write accesses (setting event queue events).
> 
> MMU event queue buffer is the only buffer written by MMU and
> mapped as write-back which break cache coherency. Force write
> transactions to be snooped solving the problem.
> 
> Signed-off-by: Wachowski, Karol <karol.wachowski at intel.com>
> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz at linux.intel.com>

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