Hi, I remember someone said that rga2 has only 32bit address space but not having a mmu or mmu needs to be configured. Better ask by yourself in pine64 discord since I'm not sure about that. Shengyu 于 2022年11月22日 GMT+08:00 上午12:41:16, Michael Tretter <m.tretter@xxxxxxxxxxxxxx> 写到: >Hi, > >On Tue, 22 Nov 2022 00:01:28 +0800, Shengyu Qu wrote: >> Someone from pine64 discord found that RGA2 doesn't work properly on over >> >> 4GB memory RK3568 devices. Are you sure current driver works now? > >I am absolutely sure that the driver works on a 2GB ROCK3A board. >Unfortunately, I don't have a device with 4GB or more memory and I cannot test >the driver with such a device. > >As the documentation for the RGA2 is the same in the TRM of the rk3288 and >rk3568, I would guess that the driver doesn't work on a rk3288 with more than >4GB (if there is such a thing) either and the driver needs to be fixed for >both SoCs. > >Michael
