From 0698cf6048f65b9bbcf5960364a217af1b81b13b Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 30 Jun 2016 15:33:18 +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/1467297225-21379-35-git-send-email-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/intel_dsi.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index a28dc1845455..448741d8653b 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -679,8 +679,9 @@ static void intel_dsi_clear_device_ready(struct intel_encoder *encoder) /* Wait till Clock lanes are in LP-00 state for MIPI Port A * only. MIPI Port C has no similar bit for checking */ - if (wait_for(((I915_READ(port_ctrl) & AFE_LATCHOUT) - == 0x00000), 30)) + if (intel_wait_for_register(dev_priv, + port_ctrl, AFE_LATCHOUT, 0, + 30)) DRM_ERROR("DSI LP not going Low\n"); /* Disable MIPI PHY transparent latch */ -- 2.39.5