On 05/01/17 18:49, Tony Lindgren wrote: > * Yegor Yefremov <yegorslists@xxxxxxxxxxxxxx> [170104 08:27]: >> I'm trying to get my am3517 board working with 4.10 (porting from >> 2.6.37). An LCD screen is attached to OMAP DSS using 24 bits. Display >> config looks like this in [1]. >> >> What DTS options reflectes ".acb = 0x0"? acb was only for passive matrix panels, which have never even been supported. So you can just ignore acb. >> Btw. I just need a frame buffer device and will use it with Embedded >> Qt. Should I nevertheless use DRM flavor as it already provides frame >> buffer driver? Depends. If you somehow rely on the custom ioctls from omapfb, then it might be easiest to use that. However, it's no longer developed, so I suggest at least trying to use omapdrm first. >> drivers/gpu/drm/omapdrm/displays/panel-dpi.c performs either platform >> or OF initialization. Platform flavor contains data_lines info, OF - >> not. As I'm using OF flavor, how do I get proper data_lines info? With the endpoint's data-lines property. See, for example, am437x-gp-evm.dts. Tomi
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