GPCPLL_CFG_IDDQ
nvkm_mask(device, GPCPLL_CFG, GPCPLL_CFG_IDDQ, 1);
nvkm_mask(device, GPCPLL_CFG, GPCPLL_CFG_IDDQ, 0);
nvkm_mask(device, GPCPLL_CFG, GPCPLL_CFG_IDDQ, 1);
nvkm_mask(device, GPCPLL_CFG, GPCPLL_CFG_IDDQ, 0);