> Am 13.02.2019 um 16:22 schrieb Tomi Valkeinen <tomi.valkeinen@xxxxxx>: > > On 13/02/2019 16:35, Tony Lindgren wrote: >> * H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> [190213 05:50]: >>>> Am 12.02.2019 um 21:18 schrieb Tony Lindgren <tony@xxxxxxxxxxx>: >>>> To me it seems just the wrapper IP is different. If you look at >>>> drivers/gpu/drm/gma500/accel_2d.c it seems to be only accessing >>>> the sgx registers based on a quick glance. So it's already quite >>>> generic. > > One thing I only now realized/remembered is that not all SGX versions > have 2D HW. And I think there are two different 2D HW cores. The details > are fuzzy to me, though. I have looked into the OMAP3530 TRM and that one only talks about "the SGX subsystem" with 2d/3d capabilities. Which would probably mean a single unit - perhaps with different drivers. So it is questionable if they can be used in parallel. So since this is confusing, I'd postpone it until we have a better understanding. BR, Nikolaus
