On Tue, Jun 07, 2011 at 12:17:01PM +0100, Alan Cox wrote: > > Currently I don't use any sophisticated memory allocater like GEM > > or similar. I helped myself with simple dma_alloc where needed. At > > GEM is actually pretty sane when you get your head around it a spot. The > main thing it took me a bit of time to get my head around is that it > allocates backing memory and handles but it doesn't allocate address > space on the card side. I'm not sure I understand you correctly. I have no address space on the card side since my 'card' just uses main memory. The memory I need must be a physically contiguous portion of sdram. I'm afraid shmem backing memory is not of much use for me. Correct me if I mix things up... 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