From 90a392c68c4e1226b65430692ec287511c756520 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 30 Jun 2016 15:33:19 +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/1467297225-21379-36-git-send-email-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/intel_dsi_pll.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dsi_pll.c b/drivers/gpu/drm/i915/intel_dsi_pll.c index 1765e6e..cbcc711 100644 --- a/drivers/gpu/drm/i915/intel_dsi_pll.c +++ b/drivers/gpu/drm/i915/intel_dsi_pll.c @@ -234,8 +234,11 @@ static void bxt_disable_dsi_pll(struct intel_encoder *encoder) * PLL lock should deassert within 200us. * Wait up to 1ms before timing out. */ - if (wait_for((I915_READ(BXT_DSI_PLL_ENABLE) - & BXT_DSI_PLL_LOCKED) == 0, 1)) + if (intel_wait_for_register(dev_priv, + BXT_DSI_PLL_ENABLE, + BXT_DSI_PLL_LOCKED, + 0, + 1)) DRM_ERROR("Timeout waiting for PLL lock deassertion\n"); } -- 2.7.4