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_crt.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 2aa85cf4b3cf..ccfb0dd09d2f 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -340,8 +340,10 @@ static bool valleyview_crt_detect_hotplug(struct drm_connector *connector)
I915_WRITE(crt->adpa_reg, adpa);
- if (wait_for((I915_READ(crt->adpa_reg) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) == 0,
- 1000)) {
+ if (intel_wait_for_register(dev_priv,
+ crt->adpa_reg,
+ ADPA_CRT_HOTPLUG_FORCE_TRIGGER, 0,
+ 1000)) {
DRM_DEBUG_KMS("timed out waiting for FORCE_TRIGGER");
I915_WRITE(crt->adpa_reg, save_adpa);
}
--
2.8.1
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