On Fri, Apr 20, 2012 at 03:25:58PM +0100, Mark Brown wrote: > On Fri, Apr 20, 2012 at 02:38:43PM +0200, Thierry Reding wrote: > > * Dave Airlie wrote: > > > I get the feeling the drm can just be a virtual platform device of > > > some sort, then it reads the device tree and binds all the information > > > on what crtc/encoders are available, > > > That's pretty much what I've come up with in the second round of Tegra DRM > > patches. Basically display controllers and outputs (RGB, HDMI, TVO, DSI) get > > separate drivers and register themselves with the DRM driver which then looks > > at the device tree to see which display controllers to register as CRTCs and > > parses a list of connector nodes to create encoder/connector pairs that > > define the physical connectors and their corresponding outputs. > > > I did take a brief look at the SDRM patches as well and they didn't quite > > seem to fit what was needed for Tegra. But if time allows I'll take a closer > > look. > > This sounds an awful lot like how ASoC hangs together... Very much, yes. In ASoC and DRM we both have several physical devices spread around the SoC which form a logical device. I assume that before ASoC existed also everyone had a single PCI device which could be used to collect the information together. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
