On 04/04/18 17:36, Laurent Pinchart wrote: > Hi Benoit, > > Thank you for the patch. > > On Monday, 26 March 2018 19:21:25 EEST Benoit Parrot wrote: >> Currently all available display pipelines (i.e. plane) and output port >> resources are exposed to user-space. In some cases it is needed to be >> able to restrict which resources are actually visible from user-space. >> Also in cases where a display wider than 2048 pixels is to be supported >> more than one video pipeline is needed. In this case the 2nd hardware >> pipeline needed is not visible to user space applications. >> >> These video pipeline definitions must be statically defined so that >> the number of visible pipelines does not change from the user-space >> perspective. >> >> In order to allow this we are adding an optional 'plane' sub-node to >> the generic DISPC node. > > I'm sorry but this is really configuration data, it doesn't describe the > hardware. I don't think these properties belong to DT. I agree, but the question then is: where should it be? There was a discussion in the v1 thread about this, and as far as I see, there are no other usable alternatives. Tomi -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
