From: Chris Wilson Date: Thu, 30 Jun 2016 14:33:06 +0000 (+0100) Subject: drm/i915: Convert wait_for(I915_READ(reg)) to intel_wait_for_register() X-Git-Tag: v4.14-rc1~2243^2~42^2~355 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8ad32a05b5f0bc28144d79e2b1ef36f8159cca38;p=platform%2Fkernel%2Flinux-rpi.git 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/1467297225-21379-23-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 f47643da..f653113 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5721,7 +5721,9 @@ static void skl_dpll0_disable(struct drm_i915_private *dev_priv) { I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) & ~LCPLL_PLL_ENABLE); - if (wait_for(!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_LOCK), 1)) + if (intel_wait_for_register(dev_priv, + LCPLL1_CTL, LCPLL_PLL_LOCK, 0, + 1)) DRM_ERROR("Couldn't disable DPLL0\n"); dev_priv->cdclk_pll.vco = 0;