Re: [Patch v1 01/10] memory: tegra: add interconnect support for DRAM scaling in Tegra234

[Sumit Gupta <sumitg@nvidia.com>]

On 20/12/22 23:37, Dmitry Osipenko wrote:
> External email: Use caution opening links or attachments
> 
> 
> 20.12.2022 19:02, Sumit Gupta пишет:
>> +#ifndef MEMORY_TEGRA_ICC_H
>> +#define MEMORY_TEGRA_ICC_H
>> +
>> +enum tegra_icc_client_type {
>> +     TEGRA_ICC_NONE,
>> +     TEGRA_ICC_NISO,
>> +     TEGRA_ICC_ISO_DISPLAY,
>> +     TEGRA_ICC_ISO_VI,
>> +     TEGRA_ICC_ISO_AUDIO,
>> +     TEGRA_ICC_ISO_VIFAL,
>> +};
> 
> You using only TEGRA_ICC_NISO and !TEGRA_ICC_NISO in the code.
> 
> include/soc/tegra/mc.h defines TAG_DEFAULT/ISO, please drop all these
> duplicated and unused "types" unless there is a good reason to keep them
> 

These type are used while defining clients in "tegra234_mc_clients[]" 
and its passed to BPMP-FW which has handling for each client type.

  kernel$ grep -B2 ".type = TEGRA_ICC_ISO" drivers/memory/tegra/tegra234.c
      .name = "hdar",
      .bpmp_id = TEGRA_ICC_BPMP_HDA,
      .type = TEGRA_ICC_ISO_AUDIO,
  --
      .name = "hdaw",
      .bpmp_id = TEGRA_ICC_BPMP_HDA,
      .type = TEGRA_ICC_ISO_AUDIO,
  --
      .name = "vi2w",
      .bpmp_id = TEGRA_ICC_BPMP_VI2,
      .type = TEGRA_ICC_ISO_VI,
  --
      .name = "vi2falr",
      .bpmp_id = TEGRA_ICC_BPMP_VI2FAL,
      .type = TEGRA_ICC_ISO_VIFAL,
  --
      .name = "vi2falw",
      .bpmp_id = TEGRA_ICC_BPMP_VI2FAL,
      .type = TEGRA_ICC_ISO_VIFAL,
  --
      .name = "aper",
      .bpmp_id = TEGRA_ICC_BPMP_APE,
      .type = TEGRA_ICC_ISO_AUDIO,
  --
      .name = "apew",
      .bpmp_id = TEGRA_ICC_BPMP_APE,
      .type = TEGRA_ICC_ISO_AUDIO,
  --
      .name = "nvdisplayr",
      .bpmp_id = TEGRA_ICC_BPMP_DISPLAY,
      .type = TEGRA_ICC_ISO_DISPLAY,
  --
      .name = "nvdisplayr1",
      .bpmp_id = TEGRA_ICC_BPMP_DISPLAY,
      .type = TEGRA_ICC_ISO_DISPLAY,
  --
      .name = "apedmar",
      .bpmp_id = TEGRA_ICC_BPMP_APEDMA,
      .type = TEGRA_ICC_ISO_AUDIO,
  --
      .name = "apedmaw",
      .bpmp_id = TEGRA_ICC_BPMP_APEDMA,
      .type = TEGRA_ICC_ISO_AUDIO,