New subject: [Intel-gfx] [drm-intel:for-linux-next-fixes 4/4] drivers/gpu//drm/i915/i915_gem.c:3223:8: error: 'struct drm_i915_private' has no member named 'caps'; did you mean 'ips'?

12 Mar 2018


      tree:   git://anongit.freedesktop.org/drm-intel for-linux-next-fixes
head:   ab30b9c117f37f9f33bec6b92818e2b402791f54
commit: ab30b9c117f37f9f33bec6b92818e2b402791f54 [4/4] drm/i915: Wrap engine->schedule in RCU locks for set-wedge protection
config: i386-randconfig-x010-201810 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        git checkout ab30b9c117f37f9f33bec6b92818e2b402791f54
        # save the attached .config to linux build tree
        make ARCH=i386
All errors (new ones prefixed by >>):
drivers/gpu//drm/i915/i915_gem.c: In function 'i915_gem_set_wedged':
...
...
drivers/gpu//drm/i915/i915_gem.c:3223:8: error: 'struct drm_i915_private' has no member named 'caps'; did you mean 'ips'?
i915->caps.scheduler = 0;
           ^~~~
           ips
vim +3223 drivers/gpu//drm/i915/i915_gem.c
3206	
  3207	void i915_gem_set_wedged(struct drm_i915_private *i915)
  3208	{
  3209		struct intel_engine_cs *engine;
  3210		enum intel_engine_id id;
  3211	
  3212		/*
  3213		 * First, stop submission to hw, but do not yet complete requests by
  3214		 * rolling the global seqno forward (since this would complete requests
  3215		 * for which we haven't set the fence error to EIO yet).
  3216		 */
  3217		for_each_engine(engine, i915, id) {
  3218			i915_gem_reset_prepare_engine(engine);
  3219	
  3220			engine->submit_request = nop_submit_request;
  3221			engine->schedule = NULL;
  3222		}
...
3223		i915->caps.scheduler = 0;
3224	
  3225		/*
  3226		 * Make sure no one is running the old callback before we proceed with
  3227		 * cancelling requests and resetting the completion tracking. Otherwise
  3228		 * we might submit a request to the hardware which never completes.
  3229		 */
  3230		synchronize_rcu();
  3231	
  3232		for_each_engine(engine, i915, id) {
  3233			/* Mark all executing requests as skipped */
  3234			engine->cancel_requests(engine);
  3235	
  3236			/*
  3237			 * Only once we've force-cancelled all in-flight requests can we
  3238			 * start to complete all requests.
  3239			 */
  3240			engine->submit_request = nop_complete_submit_request;
  3241		}
  3242	
  3243		/*
  3244		 * Make sure no request can slip through without getting completed by
  3245		 * either this call here to intel_engine_init_global_seqno, or the one
  3246		 * in nop_complete_submit_request.
  3247		 */
  3248		synchronize_rcu();
  3249	
  3250		for_each_engine(engine, i915, id) {
  3251			unsigned long flags;
  3252	
  3253			/* Mark all pending requests as complete so that any concurrent
  3254			 * (lockless) lookup doesn't try and wait upon the request as we
  3255			 * reset it.
  3256			 */
  3257			spin_lock_irqsave(&engine->timeline->lock, flags);
  3258			intel_engine_init_global_seqno(engine,
  3259						       intel_engine_last_submit(engine));
  3260			spin_unlock_irqrestore(&engine->timeline->lock, flags);
  3261	
  3262			i915_gem_reset_finish_engine(engine);
  3263		}
  3264	
  3265		set_bit(I915_WEDGED, &i915->gpu_error.flags);
  3266		wake_up_all(&i915->gpu_error.reset_queue);
  3267	}
  3268
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