On Sun, Apr 07, 2013 at 11:13:03AM +0200, Daniel Vetter wrote: > The first in wait_pipe_off is really just a delay loop to wait for the > scanline counter to settle (which takes about a frame worth of time). > So also shrink it a bit. > > The other is in the ilk dprs code. If we need _exactly_ an 1ms wait in > there, that's already not guaranteed with the current code (since > especially at start-up we're likely to get scheduled away in between). > So replace those, too. > > Noticed while trying to understand why we've again broken the panel > fitter. > > Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch> The only reason the mdelay(5) persisted for so long was that we were being lazy and not verifying that path could not be called from atomic context. The others I just credit Jesse for. Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk> -Chris -- Chris Wilson, Intel Open Source Technology Centre
