RE: [PATCH V7 0/9] Enable Wifi RFI interference mitigation feature support

[Quan, Evan]

[AMD Official Use Only - General]

Gentle ping on this series.

Hi Rafael and Andrew,

Can you help to check this latest series and share your thoughts if any?

BR,
Evan
> -----Original Message-----
> From: Quan, Evan <Evan.Quan@xxxxxxx>
> Sent: Wednesday, July 19, 2023 5:00 PM
> To: rafael@xxxxxxxxxx; lenb@xxxxxxxxxx; Deucher, Alexander
> <Alexander.Deucher@xxxxxxx>; Koenig, Christian
> <Christian.Koenig@xxxxxxx>; Pan, Xinhui <Xinhui.Pan@xxxxxxx>;
> airlied@xxxxxxxxx; daniel@xxxxxxxx; johannes@xxxxxxxxxxxxxxxx;
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> Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-acpi@xxxxxxxxxxxxxxx; amd-
> gfx@xxxxxxxxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; linux-
> wireless@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; Quan, Evan
> <Evan.Quan@xxxxxxx>
> Subject: [PATCH V7 0/9] Enable Wifi RFI interference mitigation feature
> support
>
> Due to electrical and mechanical constraints in certain platform designs there
> may
> be likely interference of relatively high-powered harmonics of the (G-)DDR
> memory
> clocks with local radio module frequency bands used by Wifi 6/6e/7. To
> mitigate
> possible RFI interference producers can advertise the frequencies in use and
> consumers can use this information to avoid using these frequencies for
> sensitive features.
>
> The whole patch set is based on Linux 6.4. With some brief introductions as
> below:
> Patch1 - 2:  Core functionality setup for WBRF feature support
> Patch3 - 4:  Bring WBRF support to wifi subsystem.
> Patch5 - 9:  Bring WBRF support to AMD graphics driver.
>
> Evan Quan (9):
>   drivers core: Add support for Wifi band RF mitigations
>   driver core: add ACPI based WBRF mechanism introduced by AMD
>   cfg80211: expose nl80211_chan_width_to_mhz for wide sharing
>   wifi: mac80211: Add support for ACPI WBRF
>   drm/amd/pm: update driver_if and ppsmc headers for coming wbrf feature
>   drm/amd/pm: setup the framework to support Wifi RFI mitigation feature
>   drm/amd/pm: add flood detection for wbrf events
>   drm/amd/pm: enable Wifi RFI mitigation feature support for SMU13.0.0
>   drm/amd/pm: enable Wifi RFI mitigation feature support for SMU13.0.7
>
>  drivers/acpi/Makefile                         |   2 +
>  drivers/acpi/amd_wbrf.c                       | 282 ++++++++++++++++++
>  drivers/base/Kconfig                          |  37 +++
>  drivers/base/Makefile                         |   1 +
>  drivers/base/wbrf.c                           | 256 ++++++++++++++++
>  drivers/gpu/drm/amd/amdgpu/amdgpu.h           |   1 +
>  drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c       |  19 ++
>  drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c     | 213 +++++++++++++
>  drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h |  33 ++
>  .../inc/pmfw_if/smu13_driver_if_v13_0_0.h     |  14 +-
>  .../inc/pmfw_if/smu13_driver_if_v13_0_7.h     |  14 +-
>  .../pm/swsmu/inc/pmfw_if/smu_v13_0_0_ppsmc.h  |   3 +-
>  .../pm/swsmu/inc/pmfw_if/smu_v13_0_7_ppsmc.h  |   3 +-
>  drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h  |   3 +-
>  drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h  |   3 +
>  .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c    |   9 +
>  .../drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c  |  60 ++++
>  .../drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c  |  59 ++++
>  drivers/gpu/drm/amd/pm/swsmu/smu_internal.h   |   3 +
>  include/linux/acpi_amd_wbrf.h                 |  24 ++
>  include/linux/ieee80211.h                     |   1 +
>  include/linux/wbrf.h                          |  72 +++++
>  include/net/cfg80211.h                        |   8 +
>  net/mac80211/Makefile                         |   2 +
>  net/mac80211/chan.c                           |   9 +
>  net/mac80211/ieee80211_i.h                    |  19 ++
>  net/mac80211/main.c                           |   2 +
>  net/mac80211/wbrf.c                           | 103 +++++++
>  net/wireless/chan.c                           |   3 +-
>  29 files changed, 1252 insertions(+), 6 deletions(-)
>  create mode 100644 drivers/acpi/amd_wbrf.c
>  create mode 100644 drivers/base/wbrf.c
>  create mode 100644 include/linux/acpi_amd_wbrf.h
>  create mode 100644 include/linux/wbrf.h
>  create mode 100644 net/mac80211/wbrf.c
>
> --
> 2.34.1