By using the out-of-line intel_wait_for_register() not only do we can
efficiency from using the hybrid wait_for() contained within, but we
avoid code bloat from the numerous inlined loops, in total (all patches):

   text    data     bss     dec     hex filename
1078551    4557     416 1083524  108884 drivers/gpu/drm/i915/i915.ko
1070775    4557     416 1075748  106a24 drivers/gpu/drm/i915/i915.ko

Signed-off-by: Chris Wilson <[email protected]>
Reviewed-by: Tvrtko Ursulin <[email protected]>
---
 drivers/gpu/drm/i915/intel_display.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index 2acc6060b78d..a501d850c6d5 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1124,8 +1124,9 @@ static void intel_wait_for_pipe_off(struct intel_crtc 
*crtc)
                i915_reg_t reg = PIPECONF(cpu_transcoder);
 
                /* Wait for the Pipe State to go off */
-               if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0,
-                            100))
+               if (intel_wait_for_register(dev_priv,
+                                           reg, I965_PIPECONF_ACTIVE, 0,
+                                           100))
                        WARN(1, "pipe_off wait timed out\n");
        } else {
                /* Wait for the display line to settle */
-- 
2.8.1

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