2022-07-21 13:56:02 +00:00
---
keywords:
- IT
---
# Lenovo L13 Yoga G2 AMD
- Art.Nr.: 21AES01A00
- AMD Ryzen™ 5 PRO 5650U HexaCore Mobilprozessor (6 Kerne/ 12 Threads • 2.30 bis 4.2 GHz • 3MB L2 Cache • 16MB L3 Cache • 15 Watt)
- 16GB, DualChannel, onBoard (fest integriert), DDR4-3200 MHz onBoard
- 33.8 cm (13.3"), Full-HD (1.920 x 1080 Bildpunkte, 16:9), LED-Backlight, **IPS-Technologie** , MultiTouch (10-Finger), Digitizer-Oberfläche mit Unterstützung für aktive Eingebestifte, 360° drehbar
- MediaTek MT7921
My own system: https://linux-hardware.org/?probe=6dfbd97685
### broken under archlinux
1. keyboard backlight https://wiki.archlinux.org/title/Keyboard_backlight#On_GNOME
2. keyboard FN keys
2022-07-27 11:58:20 +00:00
3. bluetooth daemon disabled by default
2023-06-21 20:00:44 +00:00
4. touchscreen not detected - suddenly then it appears - and again gone It's a bug: The Touchscreen is labelled as Smartcard, not as something related.
##### fwupdmgr
there is a security overview, but however:
```
fwupdmgr security --show-all
Not enough data was provided by the platform to make an HSI calculation.
» https://fwupd.github.io/hsi.html#not-enough-info
```
It is mostly a problem for the mainboard vendor. However they need to recompile the UEFI. Some rumours say that this is only possible on amd with ryzen 6000 and onwards.
```
dmesg | grep -i -e DMAR -e psp -e IOMMU
[ 0.435340] iommu: Default domain type: Translated
[ 0.435340] iommu: DMA domain TLB invalidation policy: lazy mode
[ 0.456937] pci 0000:00:00.2: AMD-Vi: IOMMU performance counters supported
[ 0.456979] pci 0000:00:01.0: Adding to iommu group 0
[ 0.456999] pci 0000:00:02.0: Adding to iommu group 1
[ 0.457006] pci 0000:00:02.1: Adding to iommu group 2
[ 0.457014] pci 0000:00:02.3: Adding to iommu group 3
[ 0.457021] pci 0000:00:02.4: Adding to iommu group 4
[ 0.457028] pci 0000:00:02.6: Adding to iommu group 5
[ 0.457038] pci 0000:00:08.0: Adding to iommu group 6
[ 0.457045] pci 0000:00:08.1: Adding to iommu group 7
[ 0.457055] pci 0000:00:14.0: Adding to iommu group 8
[ 0.457060] pci 0000:00:14.3: Adding to iommu group 8
[ 0.457079] pci 0000:00:18.0: Adding to iommu group 9
[ 0.457086] pci 0000:00:18.1: Adding to iommu group 9
[ 0.457092] pci 0000:00:18.2: Adding to iommu group 9
[ 0.457098] pci 0000:00:18.3: Adding to iommu group 9
[ 0.457104] pci 0000:00:18.4: Adding to iommu group 9
[ 0.457110] pci 0000:00:18.5: Adding to iommu group 9
[ 0.457116] pci 0000:00:18.6: Adding to iommu group 9
[ 0.457122] pci 0000:00:18.7: Adding to iommu group 9
[ 0.457129] pci 0000:01:00.0: Adding to iommu group 10
[ 0.457141] pci 0000:03:00.0: Adding to iommu group 11
[ 0.457149] pci 0000:04:00.0: Adding to iommu group 12
[ 0.457156] pci 0000:06:00.0: Adding to iommu group 13
[ 0.457175] pci 0000:07:00.0: Adding to iommu group 14
[ 0.457183] pci 0000:07:00.1: Adding to iommu group 15
[ 0.457192] pci 0000:07:00.2: Adding to iommu group 16
[ 0.457200] pci 0000:07:00.3: Adding to iommu group 17
[ 0.457207] pci 0000:07:00.4: Adding to iommu group 18
[ 0.457216] pci 0000:07:00.5: Adding to iommu group 19
[ 0.457224] pci 0000:07:00.6: Adding to iommu group 20
[ 0.457232] pci 0000:07:00.7: Adding to iommu group 21
[ 0.458758] pci 0000:00:00.2: AMD-Vi: Found IOMMU cap 0x40
[ 0.470476] perf/amd_iommu: Detected AMD IOMMU #0 (2 banks, 4 counters/bank).
[ 0.505045] AMD-Vi: AMD IOMMUv2 loaded and initialized
[ 0.797460] ccp 0000:07:00.2: psp enabled
[ 13.321751] [drm] add ip block number 3 < psp >
[ 13.370488] [drm] Loading DMUB firmware via PSP: version=0x01010024
[ 13.371020] amdgpu 0000:07:00.0: amdgpu: Will use PSP to load VCN firmware
[ 14.100023] [drm] reserve 0x400000 from 0xf43f800000 for PSP TMR
[ 4850.068564] [drm] PSP is resuming...
[ 4850.798318] [drm] reserve 0x400000 from 0xf43f800000 for PSP TMR
[ 4855.002274] pci 0000:03:00.1: Adding to iommu group 11
[ 4855.002614] pci 0000:03:00.2: Adding to iommu group 11
[ 4855.002904] pci 0000:03:00.3: Adding to iommu group 11
[ 4855.003219] pci 0000:03:00.4: Adding to iommu group 11
dmesg | grep -i ccp
[ 0.786786] ccp 0000:07:00.2: enabling device (0000 -> 0002)
[ 0.787316] ccp 0000:07:00.2: ccp: unable to access the device: you might be running a broken BIOS.
[ 0.797456] ccp 0000:07:00.2: tee enabled
[ 0.797460] ccp 0000:07:00.2: psp enabled
```
