MediaTek Helio G99 (MT6789/MT8781)
Appearance
|
Helio G99 | |
| Manufacturer | MediaTek |
|---|---|
| Name | Helio G99 |
| Architecture | aarch64 |
| CPU |
2x 2.2 GHz ARM Cortex-A76 6x 2.0 GHz ARM Cortex-A55 |
| GPU | ARM Mali-G57 MC2 |
| Year | 2022 |
| Process | 6nm |
| Mainline | partial |
CPU SMP (bring up secondary CPU cores), CPU frequency scaling, CPUidle |
Partial
|
|---|---|
UART |
Works
|
Storage eMMC, SD cards, UFS, ... |
Works
|
USB |
Works
|
Display |
Partial
|
GPU |
Works
|
Pinctrl |
Works
|
I²C |
Works
|
SPI Serial Peripheral Interface |
Works
|
Audio |
Broken
|
Video Hardware-accelerated video de/encoding |
Broken
|
Thermal |
Works
|
WiFi |
Broken
|
Bluetooth |
Broken
|
Modem Calls, SMS, Internet |
Broken
|
GPS |
Broken
|
Camera |
Broken
|
Suspend |
Broken
|
The MediaTek Helio G99 is a mid-range SoC for tablets and gaming smartphones released in 2022. Two variants exist, MT6789 and MT8781, which are very similar and can use the same dts.[1]
Devices
MT6789
| Device | Codename | Category | Booting |
|---|---|---|---|
| LincPlus T4 | lincplus-t4 | No | |
| Minimal Phone | MP01 | No | |
| Teclast T50 Max | teclast-t50max | No | |
| Teclast T65 Max | teclast-t65max | No | |
| Tecno Pova 6 | tecno-li7 | ||
| Volla Phone X23 | volla-vidofnir | No | |
| Xiaomi Redmi Note 13 Pro (4G) | xiaomi-emerald | Yes |
MT8781
| Device | Codename | Category | Booting |
|---|---|---|---|
| Lenovo Tab Plus | lenovo-tb351fu | No | |
| Xiaomi Redmi Pad | xiaomi-yunluo | No |
Mainline Status:
Mainline fork
A close-to-mainline fork is developed for this SoC here: *link*
SMP
Only 6 cores are working for now.
USB
Works at both device/host modes. But dual-role mode is broken.
Display
GPU works. Only simple-framebuffer for now.