Writing display drivers for ARM64 Qualcomm chips involves the . In the mainline kernel, this is handled by the msm DRM driver. It manages the DSI (Display Serial Interface) lanes to push pixels to the panel. Development Tips
For the MSM8953, the driver initialization depends on the .dtsi files located in the kernel source at arch/arm64/boot/dts/qcom/msm8953.dtsi . To get a driver to "bind" to the hardware, your driver’s compatible string must match the one defined in the DTS.
These use highly customized, often messy drivers provided by Qualcomm (CAF). They rely on specific Android-only hooks like ion for memory management.
If you are looking to understand or implement , this guide covers the architectural essentials, the role of the Device Tree, and the current state of mainline Linux support. Understanding the MSM8953 Architecture
