INTEL_DISP_PORTA_SNB_PIPE_SHIFT
#define INTEL_DISP_PORTA_SNB_PIPE_MASK (1 << INTEL_DISP_PORTA_SNB_PIPE_SHIFT)
>> INTEL_DISP_PORTA_SNB_PIPE_SHIFT) == INTEL_DISP_PORTA_SNB_PIPE_A) {