AFAIK that's just the bare minimum to get Linux booting. GPU and host of other things are missing.
EDIT - looks like there's GPU support too. https://www.phoronix.com/news/Linux-6.5-MSM-Adreno-A690
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With the recent series of patches released by Linaro, the following features are enabled for the Snapdragon 8 Gen 3 Mobile Platform:
Qualcomm® Kryo™ CPUs, including DVFS (Dynamic voltage and frequency scaling) and Power Management
System foundation: Clocks, Power controllers, PMICs Low-Speed I/O: I2C, SPI, RTC, Buttons, LEDs
High-Density Storage: UFS 4.0, SDXC
High-Speed Peripherals: PCIe Gen3 and Gen4, USB Version 3.1 Gen 2, USB-C PD
Qualcomm® Hexagon™ Processor SubSystems: Audio, Sensors, Compute and Modem
Mobile Display Subsystem + DSI Engine, Touch Controller
Communication: WCN7850 Bluetooth