On Wed, 14 Dec 2011 13:57:09 +0100, Daniel Vetter <daniel.vetter at ffwll.ch> wrote: > With the fence accounting fixed up in the previous commit not finding > enough fences is a fatal error and userspace bug. Trashing the entire > gtt is not gonna turn up that missing fence, so don't to this by > returning another error thatn ENOSPC. > > This has the added benefit that it's easier to distinguish fence > accounting errors from gtt space accounting issues. > > TTM serves as precendence for the EDEADLK error code - it returns it > when the reservation code needs resources already blocked by the > current reservation. > > Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch> Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk> -Chris -- Chris Wilson, Intel Open Source Technology Centre
