[drm-drm-intel:drm-intel-next-queued 1/1] drivers/gpu/drm/i915/gt/intel_lrc.c:1224:3: note: in expansion of macro 'I915_SELFTEST_ONLY'

[kbuild test robot <lkp@intel.com>]

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tree:   git://anongit.freedesktop.org/drm/drm-intel drm-intel-next-queued
head:   1883a0a4658eaba354db2179b4d3395247d27582
commit: 1883a0a4658eaba354db2179b4d3395247d27582 [1/1] drm/i915: Track hw reported context runtime
config: i386-defconfig (attached as .config)
compiler: gcc-7 (Debian 7.5.0-4) 7.5.0
reproduce:
        git checkout 1883a0a4658eaba354db2179b4d3395247d27582
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from drivers/gpu/drm/i915/gt/intel_engine_types.h:24:0,
                    from drivers/gpu/drm/i915/gt/intel_context_types.h:18,
                    from drivers/gpu/drm/i915/gem/i915_gem_context_types.h:20,
                    from drivers/gpu/drm/i915/i915_request.h:31,
                    from drivers/gpu/drm/i915/i915_active.h:13,
                    from drivers/gpu/drm/i915/gem/i915_gem_object_types.h:13,
                    from drivers/gpu/drm/i915/display/intel_frontbuffer.h:30,
                    from drivers/gpu/drm/i915/i915_drv.h:72,
                    from drivers/gpu/drm/i915/gt/intel_lrc.c:136:
   drivers/gpu/drm/i915/gt/intel_lrc.c: In function 'intel_context_update_runtime':
   drivers/gpu/drm/i915/i915_selftest.h:118:31: warning: statement with no effect [-Wunused-value]
    #define I915_SELFTEST_ONLY(x) 0
                                  ^
>> drivers/gpu/drm/i915/gt/intel_lrc.c:1224:3: note: in expansion of macro 'I915_SELFTEST_ONLY'
      I915_SELFTEST_ONLY(ce->runtime.num_underflow += dt < 0);
      ^~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/i915_selftest.h:118:31: warning: statement with no effect [-Wunused-value]
    #define I915_SELFTEST_ONLY(x) 0
                                  ^
   drivers/gpu/drm/i915/gt/intel_lrc.c:1225:3: note: in expansion of macro 'I915_SELFTEST_ONLY'
      I915_SELFTEST_ONLY(ce->runtime.max_underflow =
      ^~~~~~~~~~~~~~~~~~

vim +/I915_SELFTEST_ONLY +1224 drivers/gpu/drm/i915/gt/intel_lrc.c

  1208	
  1209	static void intel_context_update_runtime(struct intel_context *ce)
  1210	{
  1211		u32 old;
  1212		s32 dt;
  1213	
  1214		if (intel_context_is_barrier(ce))
  1215			return;
  1216	
  1217		old = ce->runtime.last;
  1218		ce->runtime.last = intel_context_get_runtime(ce);
  1219		dt = ce->runtime.last - old;
  1220	
  1221		if (unlikely(dt <= 0)) {
  1222			CE_TRACE(ce, "runtime underflow: last=%u, new=%u, delta=%d\n",
  1223				 old, ce->runtime.last, dt);
> 1224			I915_SELFTEST_ONLY(ce->runtime.num_underflow += dt < 0);
  1225			I915_SELFTEST_ONLY(ce->runtime.max_underflow =
  1226					   max_t(u32, ce->runtime.max_underflow, -dt));
  1227			return;
  1228		}
  1229	
  1230		ewma_runtime_add(&ce->runtime.avg, dt);
  1231		ce->runtime.total += dt;
  1232	}
  1233	

---
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