drm/i915: Convert wait_for(I915_READ(reg)) to intel_wait_for_register()
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@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1467297225-21379-25-git-send-email-chris@chris-wilson.co.uk
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5fa37aa..30c181a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9633,7 +9633,9 @@
val &= ~LCPLL_PLL_DISABLE;
I915_WRITE(LCPLL_CTL, val);
- if (wait_for(I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK, 5))
+ if (intel_wait_for_register(dev_priv,
+ LCPLL_CTL, LCPLL_PLL_LOCK, LCPLL_PLL_LOCK,
+ 5))
DRM_ERROR("LCPLL not locked yet\n");
if (val & LCPLL_CD_SOURCE_FCLK) {