From: Chris Wilson Date: Thu, 30 Jun 2016 14:33:36 +0000 (+0100) Subject: drm/i915: Convert wait_for(I915_READ(reg)) to intel_wait_for_register() X-Git-Tag: v4.8-rc1~62^2~6^2~104 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=ffebb83b34f843aadcbd3e03c4e449da14d0870d;p=uclinux-h8%2Flinux.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/1467297225-21379-53-git-send-email-chris@chris-wilson.co.uk --- diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 615d0bfaae38..7cbba42f0ab4 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -1340,7 +1340,11 @@ static void chv_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv, vlv_set_power_well(dev_priv, power_well, true); /* Poll for phypwrgood signal */ - if (wait_for(I915_READ(DISPLAY_PHY_STATUS) & PHY_POWERGOOD(phy), 1)) + if (intel_wait_for_register(dev_priv, + DISPLAY_PHY_STATUS, + PHY_POWERGOOD(phy), + PHY_POWERGOOD(phy), + 1)) DRM_ERROR("Display PHY %d is not power up\n", phy); mutex_lock(&dev_priv->sb_lock);