From 370004d38abc65bf920ae188be72caa7c7572033 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 30 Jun 2016 15:32:56 +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/1467297225-21379-13-git-send-email-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/intel_display.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index fc0794de595b..1be0c02f5b4d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1820,7 +1820,9 @@ void vlv_wait_port_ready(struct drm_i915_private *dev_priv, BUG(); } - if (wait_for((I915_READ(dpll_reg) & port_mask) == expected_mask, 1000)) + if (intel_wait_for_register(dev_priv, + dpll_reg, port_mask, expected_mask, + 1000)) WARN(1, "timed out waiting for port %c ready: got 0x%x, expected 0x%x\n", port_name(dport->port), I915_READ(dpll_reg) & port_mask, expected_mask); } -- 2.20.1