From: Chris Wilson Date: Thu, 30 Jun 2016 14:33:11 +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=3016a31ffe7db05e336420a58cb0cfe6f71159f9;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/1467297225-21379-28-git-send-email-chris@chris-wilson.co.uk --- diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index 5f88e12575ac..c1d318601bf1 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -213,8 +213,11 @@ static void intel_mst_enable_dp(struct intel_encoder *encoder) DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); - if (wait_for((I915_READ(DP_TP_STATUS(port)) & DP_TP_STATUS_ACT_SENT), - 1)) + if (intel_wait_for_register(dev_priv, + DP_TP_STATUS(port), + DP_TP_STATUS_ACT_SENT, + DP_TP_STATUS_ACT_SENT, + 1)) DRM_ERROR("Timed out waiting for ACT sent\n"); ret = drm_dp_check_act_status(&intel_dp->mst_mgr);