On Fri, Mar 16, 2018 at 11:23 PM, Icenowy Zheng <icen...@aosc.io> wrote: > The "Display Engine 2.0" (usually called DE2) on the Allwinner A64 SoC > is different from the ones on other Allwinner SoCs. It requires a SRAM > region to be claimed, otherwise all DE2 subblocks won't be accessible. > > Add a bus driver for the Allwinner A64 DE2 part which claims the SRAM > region when probing.
Along with this bus driver, we also need drivers/gpu/drm/sun4i/sun4i_drv.c which can usually drive the pipelines like mixer0 and 1 are the cases for A64? Jagan. -- Jagan Teki Senior Linux Kernel Engineer | Amarula Solutions U-Boot, Linux | Upstream Maintainer Hyderabad, India.