[Intel-gfx] [CI 42/62] drm/i915: Convert wait_for(I915_READ(reg)) to intel_wait_for_register()
Chris Wilson
chris at chris-wilson.co.uk
Thu Jun 30 14:33:25 UTC 2016
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 at chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
drivers/gpu/drm/i915/intel_lvds.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 2d141b67503c..c26ffef80692 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -253,7 +253,7 @@ static void intel_disable_lvds(struct intel_encoder *encoder)
}
I915_WRITE(ctl_reg, I915_READ(ctl_reg) & ~POWER_TARGET_ON);
- if (wait_for((I915_READ(stat_reg) & PP_ON) == 0, 1000))
+ if (intel_wait_for_register(dev_priv, stat_reg, PP_ON, 0, 1000))
DRM_ERROR("timed out waiting for panel to power off\n");
I915_WRITE(lvds_encoder->reg, I915_READ(lvds_encoder->reg) & ~LVDS_PORT_EN);
--
2.8.1
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