On Wed, Jul 23, 2014 at 09:29:48PM +0200, Daniel Vetter wrote: > On Wed, Jul 23, 2014 at 05:26:41PM +0200, David Herrmann wrote: > > Testing the return value of list_entry() for NULL is a no-op (as it is > > just a fancy container_of() / offsetof()). Drop the superfluous if-clause > > and instead verify the actual root-node is available. This is probably > > what it was meant to test for from the beginning, anyway. > > > > Signed-off-by: David Herrmann <dh.herrmann@xxxxxxxxx> > > Oh drm handling of alpha. I've tried to dig out how this all works > together and it's dangerous. drm totally ignored this thing called dma api > so needed to handle cpu phys address vs. bus address offsets itself. If > you munge around also in the agp code (which is really only used by drm) > then you'll notice that it's handled completely differently on alpha vs. > ppc. > > Tbh I'd wait until this is all officially dead and then rip it all out. I dare you for a patch to rip out alpha drm handling completely though ;-) ppc probably needs to stay a bit longer, there's still lots of apple hardware with radeons around. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel