On Thu, Sep 5, 2019 at 9:01 AM Gerd Hoffmann <kraxel@xxxxxxxxxx> wrote: > > Hi, > > > - imo we should fix this by using the io_mapping stuff, that avoids > > the overhead of repeated pat checks for map/unmap. > > Another idea: IIRC ttm has a move_notify callback. So we could simply > keep mappings active even when the refcount goes down to zero. Then do > the actual unmap either in the move_notify or in the destroy callback. Yeah that should be a really clean solution, and only needs changes in the vram helpers. Which is nice, more common code! -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
