From a7d04662358daf44c4fe61d1f27bbaeca7cd126e Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 30 Jun 2016 15:32:59 +0100 Subject: [PATCH] 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 Reviewed-by: Tvrtko Ursulin Link: http://patchwork.freedesktop.org/patch/msgid/1467297225-21379-16-git-send-email-chris@chris-wilson.co.uk --- 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 50ad3c5..99e8c8e 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)) { -- 2.7.4