PIPECONF_ENABLE
cur_state = !!(val & PIPECONF_ENABLE);
I915_WRITE(PIPECONF(pipe), PIPECONF_ENABLE | PIPECONF_PROGRESSIVE);
if (val & PIPECONF_ENABLE) {
I915_WRITE(reg, val | PIPECONF_ENABLE);
if ((val & PIPECONF_ENABLE) == 0)
val &= ~PIPECONF_ENABLE;
if ((val & PIPECONF_ENABLE) == 0)
pipeconf |= I915_READ(PIPECONF(intel_crtc->pipe)) & PIPECONF_ENABLE;
if (!(tmp & PIPECONF_ENABLE))
if (!(tmp & PIPECONF_ENABLE))
return tmp & PIPECONF_ENABLE;
if ((I915_READ(PIPECONF(PIPE_A)) & PIPECONF_ENABLE) == 0)
if ((I915_READ(PIPECONF(PIPE_B)) & PIPECONF_ENABLE) == 0)
return I915_READ(PIPECONF(PIPE_A)) & PIPECONF_ENABLE &&
I915_READ(PIPECONF(PIPE_B)) & PIPECONF_ENABLE;
enabled = I915_READ(PIPECONF(PIPE_B)) & PIPECONF_ENABLE;