On Tue, Mar 02, 2010 at 07:36:59PM +0100, Syrjala Ville (Nokia-D/Helsinki) wrote: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxx> > > Separate the memory region from the framebuffer device a little bit. > It's now possible to select the memory region used by the framebuffer > device using the new source_idx parameter of omapfb_plane_info. If the > source_idx is specified it will be interpreted as an index into the > memory regions array, if it's not specified the framebuffer's index is > used instead. So by default each framebuffer keeps using it's own > memory region which preserves backwards compatibility. > > This allows cloning the same memory region to several overlays and yet > each overlay can be controlled independently since they can be > associated with separate framebuffer devices. > > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxx> Actaully scrap this one. The use_count thing makes it's somewhat too easy to get stuck in a state where you can't change the memory size anymore and going in via sysfs in an effort to fix it doesn't work. I think I'll just go back to checking all the overlays and expand it to loop over all the fb devices too. The check won't be entirely accurate since the fb_infos can't be locked as that could easily lead to ABBA deadlock with the fb_info lock and the region mutex, but I suppose it's better than not being able to free/allocate memory anymore. -- Ville Syrjälä -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
