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CONFIG_DRM_XLNX_DSI should be enabled. This depends on CONFIG_DRM_XLNX and CONFIG_DRM

DRM_CONFIG_DRM_PANEL_SIMPLE needs to be enabled in the kernel config.

Device tree binding

The dts node should be defined with correct hardware configuration. How to define the node is documented here, xlnx,dsi.txt

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A user should enable the following packages in the PetaLinux Configuration to enable and test the GPU (Xilinx Arm Mali-400 DriverZynq™ UltraScale+™ MPSoC - Graphics Driver Stack - Mali 400) acceleration:

•  -> Filesystem Package -> libs -> libmali-xlnx
   -> Filesystem Package -> misc -> xf86-video-armsoc
   -> Filesystem Package -> x11 -> base -> xserver-org -> xserver-xorg-extension-glx
   -> Filesystem Package -> x11 -> mesa-demos

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