PIPE_FIFO_UNDERRUN_STATUS
enable_mask &= ~(PIPE_FIFO_UNDERRUN_STATUS |
PIPESTAT_INT_STATUS_MASK | PIPE_FIFO_UNDERRUN_STATUS);
status_mask = PIPE_FIFO_UNDERRUN_STATUS;
if (pipe_stats[pipe] & PIPE_FIFO_UNDERRUN_STATUS)
if (pipe_stats[pipe] & PIPE_FIFO_UNDERRUN_STATUS)
if (pipe_stats[pipe] & PIPE_FIFO_UNDERRUN_STATUS)
if ((intel_de_read(display, reg) & PIPE_FIFO_UNDERRUN_STATUS) == 0)
intel_de_write(display, reg, enable_mask | PIPE_FIFO_UNDERRUN_STATUS);
enable_mask | PIPE_FIFO_UNDERRUN_STATUS);
if (old && intel_de_read(display, reg) & PIPE_FIFO_UNDERRUN_STATUS)