From: Chris Wilson Date: Thu, 30 Jun 2016 14:33:00 +0000 (+0100) Subject: drm/i915: Convert wait_for(I915_READ(reg)) to intel_wait_for_register() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=dfdb47497ca0c4f5983e926dc8a3e313440aeb69;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.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/1467297225-21379-17-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 99e8c8ea7f00..187e703a1c45 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1959,7 +1959,9 @@ static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv) val &= ~TRANS_ENABLE; I915_WRITE(LPT_TRANSCONF, val); /* wait for PCH transcoder off, transcoder state */ - if (wait_for((I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE) == 0, 50)) + if (intel_wait_for_register(dev_priv, + LPT_TRANSCONF, TRANS_STATE_ENABLE, 0, + 50)) DRM_ERROR("Failed to disable PCH transcoder\n"); /* Workaround: clear timing override bit. */