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Message-ID: <DM6PR12MB26196938844FBB1678754C8AE402A@DM6PR12MB2619.namprd12.prod.outlook.com>
Date: Mon, 24 Jul 2023 02:50:58 +0000
From: "Quan, Evan" <Evan.Quan@....com>
To: "rafael@...nel.org" <rafael@...nel.org>,
"lenb@...nel.org" <lenb@...nel.org>,
"Deucher, Alexander" <Alexander.Deucher@....com>,
"Koenig, Christian" <Christian.Koenig@....com>,
"Pan, Xinhui" <Xinhui.Pan@....com>,
"airlied@...il.com" <airlied@...il.com>,
"daniel@...ll.ch" <daniel@...ll.ch>,
"johannes@...solutions.net" <johannes@...solutions.net>,
"davem@...emloft.net" <davem@...emloft.net>,
"edumazet@...gle.com" <edumazet@...gle.com>,
"kuba@...nel.org" <kuba@...nel.org>,
"pabeni@...hat.com" <pabeni@...hat.com>,
"Limonciello, Mario" <Mario.Limonciello@....com>,
"mdaenzer@...hat.com" <mdaenzer@...hat.com>,
"maarten.lankhorst@...ux.intel.com"
<maarten.lankhorst@...ux.intel.com>,
"tzimmermann@...e.de" <tzimmermann@...e.de>,
"hdegoede@...hat.com" <hdegoede@...hat.com>,
"jingyuwang_vip@....com" <jingyuwang_vip@....com>,
"Lazar, Lijo" <Lijo.Lazar@....com>,
"jim.cromie@...il.com" <jim.cromie@...il.com>,
"bellosilicio@...il.com" <bellosilicio@...il.com>,
"andrealmeid@...lia.com" <andrealmeid@...lia.com>,
"trix@...hat.com" <trix@...hat.com>,
"jsg@....id.au" <jsg@....id.au>, "arnd@...db.de" <arnd@...db.de>,
"andrew@...n.ch" <andrew@...n.ch>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
"amd-gfx@...ts.freedesktop.org" <amd-gfx@...ts.freedesktop.org>,
"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH V7 0/9] Enable Wifi RFI interference mitigation feature
support
[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@....com>
> Sent: Wednesday, July 19, 2023 5:00 PM
> To: rafael@...nel.org; lenb@...nel.org; Deucher, Alexander
> <Alexander.Deucher@....com>; Koenig, Christian
> <Christian.Koenig@....com>; Pan, Xinhui <Xinhui.Pan@....com>;
> airlied@...il.com; daniel@...ll.ch; johannes@...solutions.net;
> davem@...emloft.net; edumazet@...gle.com; kuba@...nel.org;
> pabeni@...hat.com; Limonciello, Mario <Mario.Limonciello@....com>;
> mdaenzer@...hat.com; maarten.lankhorst@...ux.intel.com;
> tzimmermann@...e.de; hdegoede@...hat.com; jingyuwang_vip@....com;
> Lazar, Lijo <Lijo.Lazar@....com>; jim.cromie@...il.com;
> bellosilicio@...il.com; andrealmeid@...lia.com; trix@...hat.com;
> jsg@....id.au; arnd@...db.de; andrew@...n.ch
> Cc: linux-kernel@...r.kernel.org; linux-acpi@...r.kernel.org; amd-
> gfx@...ts.freedesktop.org; dri-devel@...ts.freedesktop.org; linux-
> wireless@...r.kernel.org; netdev@...r.kernel.org; Quan, Evan
> <Evan.Quan@....com>
> 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
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