GENERAL_ACT_REQ
value = (WIN_A_ACT_REQ << p->index) | GENERAL_ACT_REQ;
tegra_dc_writel(dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL);
tegra_dc_writel(dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL);
value = dc_state->planes | GENERAL_ACT_REQ;