NACK: [SRU][linux-firmware][Jammy][PULL] Fix mediatek mt7921e unexpected chip reset

Juerg Haefliger juerg.haefliger at canonical.com
Fri Jan 21 10:28:38 UTC 2022


Jammy is still in development so we should rebase to latest upstream rather
than cherry-picking individual commits.

...Juerg


> BugLink: https://bugs.launchpad.net/bugs/1958286
> 
> [Impact]
> 
> Mediatek MT7921 may fail to resume from runtime suspend can cause chip
> reset.
> 
>   mt7921e 0000:02:00.0: PM: failed to resume async: error -110
>   mt7921e 0000:02:00.0: chip reset
> 
> [Fix]
> 
> This is fixed with both bluetooth and WiFi firmware upgrade to
> upstream commit 094d7adc1136 ("linux-firmware: update firmware for
> MT7921 WiFi device") and commit 1e744b85cd4c ("linux-firmware: update
> firmware for mediatek bluetooth chip(MT7921)").
> 
> [Test Case]
> 
> This can be triggered by checkbox warm reset stress test:
> 
>   $ checkbox-cli run com.canonical.certification::stress/reboot
> 
> [Where problems could occur]
> 
> This imports fixes requiring both kernel driver and proprietary firmware
> updates, the firmware part might cause instability or so.
> 
> [Other Info]
> 
> This is fixed in firmware, so it's affecting all kernels supporting
> MT7921, which means F/H/I/J.
> 
> ----------------------------------------------------------------
> 
> The following changes since commit 2af3419b269d7abb8625b00a9d1087b4e24daa42:
> 
>   UBUNTU: [Packaging] rules: Remove helper script targets (2022-01-13 13:31:17 +0100)
> 
> are available in the Git repository at:
> 
>   https://git.launchpad.net/~vicamo/ubuntu/+source/linux-firmware bug-1958286/mt7921e-unexpected-chip-reset/jammy-pull
> 
> for you to fetch changes up to 1b5db3e63e1d3b3f1e1cdbb7850c03e2690920eb:
> 
>   linux-firmware: update firmware for mediatek bluetooth chip(MT7921) (2022-01-20 20:12:20 +0800)
> 
> ----------------------------------------------------------------
> Deren Wu (2):
>       linux-firmware: update firmware for MT7921 WiFi device
>       linux-firmware: update firmware for MT7921 WiFi device
> 
> Mark Chen (3):
>       linux-firmware: update frimware for mediatek bluetooth chip (MT7921)
>       linux-firmware: update firmware for mediatek bluetooth chip (MT7921)
>       linux-firmware: update firmware for mediatek bluetooth chip(MT7921)
> 
>  WHENCE                                     |   6 +++---
>  mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin    | Bin 518062 -> 512494 bytes
>  mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin | Bin 92192 -> 92192 bytes
>  mediatek/WIFI_RAM_CODE_MT7961_1.bin        | Bin 689864 -> 694984 bytes
>  4 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/WHENCE b/WHENCE
> index 0a4baf2f0596..1d65e3178643 100644
> --- a/WHENCE
> +++ b/WHENCE
> @@ -4905,9 +4905,9 @@ Licence: Redistributable. See LICENCE.mediatek for details.
>  Driver: mt7921 - MediaTek MT7921 Wireless MACs
>  
>  File: mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin
> -Version: 20211014150838a
> +Version: 20220110230855a
>  File: mediatek/WIFI_RAM_CODE_MT7961_1.bin
> -Version: 20211014150922
> +Version: 20220110230951
>  
>  Licence: Redistributable. See LICENCE.mediatek for details.
>  
> @@ -4916,7 +4916,7 @@ Licence: Redistributable. See LICENCE.mediatek for details.
>  Driver: mt7921 - MediaTek MT7921 bluetooth chipset
>  
>  File: mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin
> -Version: 20211018131102
> +Version: 20220110231230
>  
>  Licence: Redistributable. See LICENCE.mediatek for details.
>  
> diff --git a/mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin b/mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin
> index 54b5981889bc..77faf205a2a9 100644
> Binary files a/mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin and b/mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin differ
> diff --git a/mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin b/mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin
> index d63e48da73f9..7a9d9f012963 100644
> Binary files a/mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin and b/mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin differ
> diff --git a/mediatek/WIFI_RAM_CODE_MT7961_1.bin b/mediatek/WIFI_RAM_CODE_MT7961_1.bin
> index 2a0599f59b51..c4325fb1fa7e 100644
> Binary files a/mediatek/WIFI_RAM_CODE_MT7961_1.bin and b/mediatek/WIFI_RAM_CODE_MT7961_1.bin differ
> 

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