On Sun, 27 Nov 2011 18:58:17 +0100, Daniel Vetter <[email protected]> wrote: > Otherwise hangcheck spuriously fires when running blitter/bsd-only > workloads. > > Contrary to a similar patch by Ben Widawsky this does not check > INSTDONE of the other rings. Chris Wilson implied that in a failure to > detect a hang, most likely because INSTDONE was fluctuating. Thus only > check ACTHD, which as far as I know is rather reliable. Also, blitter > and bsd rings can't launch complex tasks from a single instruction > (like 3D_PRIM on the render with complex or even infinite shaders). > > This fixes spurious gpu hang detection when running > tests/gem_hangcheck_forcewake on snb/ivb. > > Signed-Off-by: Daniel Vetter <[email protected]> Reviewed-by: Chris Wilson <[email protected]> -Chris
-- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
