RADEON_PPLL_DIV_0
PRINTPLL(RADEON_PPLL_DIV_0);
div0 = GETPLL(sc, RADEON_PPLL_DIV_0);
(div0 == GETPLL(sc, RADEON_PPLL_DIV_0))) {
PUTPLL(sc, RADEON_PPLL_DIV_0, div0);
PUTPLL(sc, RADEON_PPLL_DIV_0, div0);