DSS_IRQ_VP_BIT_N
(DSS_IRQ_VP_BIT_N(TIDSS_MAX_PORTS, 0) + 1 * (plane) + (bit))
#define DSS_IRQ_VP_BIT(ch, bit) BIT(DSS_IRQ_VP_BIT_N((ch), (bit)))
return GENMASK(DSS_IRQ_VP_BIT_N((ch), 3), DSS_IRQ_VP_BIT_N((ch), 0));