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From: Dimitry Andric <dim@FreeBSD.org>
Date: Thu, 24 May 2012 19:13:54 +0000 (UTC)
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Subject: svn commit: r235925 - head/sys/dev/drm2/i915
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Author: dim
Date: Thu May 24 19:13:54 2012
New Revision: 235925
URL: http://svn.freebsd.org/changeset/base/235925

Log:
  Fix the following clang warning in drm2:
  
    sys/dev/drm2/i915/intel_display.c:8861:3: error: expression result unused [-Werror,-Wunused-value]
                    _intel_wait_for(dev,
                    ^~~~~~~~~~~~~~~~~~~~
    @/dev/drm2/i915/intel_drv.h:55:2: note: expanded from macro '_intel_wait_for'
            ret;                                                            \
            ^~~
  
  Reviewed by:	kib
  MFC after:	1 week

Modified:
  head/sys/dev/drm2/i915/intel_display.c

Modified: head/sys/dev/drm2/i915/intel_display.c
==============================================================================
--- head/sys/dev/drm2/i915/intel_display.c	Thu May 24 18:25:09 2012	(r235924)
+++ head/sys/dev/drm2/i915/intel_display.c	Thu May 24 19:13:54 2012	(r235925)
@@ -8858,7 +8858,7 @@ static void ironlake_disable_rc6(struct 
 	if (I915_READ(PWRCTXA)) {
 		/* Wake the GPU, prevent RC6, then restore RSTDBYCTL */
 		I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) | RCX_SW_EXIT);
-		_intel_wait_for(dev,
+		(void)_intel_wait_for(dev,
 		    ((I915_READ(RSTDBYCTL) & RSX_STATUS_MASK) == RSX_STATUS_ON),
 		    50, 1, "915pro");