Re: [PATCH 06/11] media: iris: Fix VM count passed to firmware

From: Vishnu Reddy

Date: Fri Apr 17 2026 - 10:36:21 EST



On 4/14/2026 2:59 PM, Konrad Dybcio wrote:
On 4/14/26 7:00 AM, Vishnu Reddy wrote:
On Glymur, firmware interprets the value written to CPU_CS_SCIACMDARG3 as
the number of virtual machines (VMs) and internally adds 1 to it. Writing
1 causes firmware to treat it as 2 VMs. Since only one VM is required,
remove this write to leave the register at its reset value of 0. This does
not affect other platforms as only Glymur firmware uses this register,
earlier platform firmwares ignore it.
Should we write a zero there, then?

zero being the reset value for that register, I would prefer avoiding to write unless needed.

Thanks,
Vishnu Reddy.

Konrad