From: Chris Wilson Date: Thu, 30 Jun 2016 14:33:01 +0000 (+0100) Subject: drm/i915: Convert wait_for(I915_READ(reg)) to intel_wait_for_register() X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2ec9ba3cffd08c6d78e1ed1fd0188efe7fcaec1c;p=linux-beck.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/1467297225-21379-18-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 187e703a1c45..cb7d49c34eb3 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4465,7 +4465,9 @@ void hsw_enable_ips(struct intel_crtc *crtc) * and don't wait for vblanks until the end of crtc_enable, then * the HW state readout code will complain that the expected * IPS_CTL value is not the one we read. */ - if (wait_for(I915_READ_NOTRACE(IPS_CTL) & IPS_ENABLE, 50)) + if (intel_wait_for_register(dev_priv, + IPS_CTL, IPS_ENABLE, IPS_ENABLE, + 50)) DRM_ERROR("Timed out waiting for IPS enable\n"); } }