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 <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 50ad3c55f0a9..99e8c8ea7f00 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1937,7 +1937,9 @@ static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv,
val &= ~TRANS_ENABLE;
I915_WRITE(reg, val);
/* wait for PCH transcoder off, transcoder state */
- if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50))
+ if (intel_wait_for_register(dev_priv,
+ reg, TRANS_STATE_ENABLE, 0,
+ 50))
DRM_ERROR("failed to disable transcoder %c\n", pipe_name(pipe));
if (HAS_PCH_CPT(dev)) {
--
2.8.1
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