[tegra-drm:drm/tegra/for-next 10/24] drivers/gpu/host1x/cdma.c:253:13: error: 'struct host1x_cdma' has no member named 'sem'

[kbuild test robot]

tree:   git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next
head:   e01c78172871cc703e6228fe2b195a3876e1a0a9
commit: db5652be58a96bdde402cabebc0567ee08631276 [10/24] gpu: host1x: Introduce support for wide opcodes
config: arm-tegra_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 8.2.0-11) 8.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout db5652be58a96bdde402cabebc0567ee08631276
        # save the attached .config to linux build tree
        GCC_VERSION=8.2.0 make.cross ARCH=arm 

All errors (new ones prefixed by >>):

   drivers/gpu/host1x/cdma.c: In function 'host1x_cdma_wait_pushbuffer_space':
>> drivers/gpu/host1x/cdma.c:253:13: error: 'struct host1x_cdma' has no member named 'sem'
      down(&cdma->sem);
                ^~

vim +253 drivers/gpu/host1x/cdma.c

   219	
   220	/*
   221	 * Sleep (if necessary) until the push buffer has enough free space.
   222	 *
   223	 * Must be called with the cdma lock held.
   224	 */
   225	int host1x_cdma_wait_pushbuffer_space(struct host1x *host1x,
   226					      struct host1x_cdma *cdma,
   227					      unsigned int needed)
   228	{
   229		while (true) {
   230			struct push_buffer *pb = &cdma->push_buffer;
   231			unsigned int space;
   232	
   233			space = host1x_pushbuffer_space(pb);
   234			if (space >= needed)
   235				break;
   236	
   237			trace_host1x_wait_cdma(dev_name(cdma_to_channel(cdma)->dev),
   238					       CDMA_EVENT_PUSH_BUFFER_SPACE);
   239	
   240			host1x_hw_cdma_flush(host1x, cdma);
   241	
   242			/* If somebody has managed to already start waiting, yield */
   243			if (cdma->event != CDMA_EVENT_NONE) {
   244				mutex_unlock(&cdma->lock);
   245				schedule();
   246				mutex_lock(&cdma->lock);
   247				continue;
   248			}
   249	
   250			cdma->event = CDMA_EVENT_PUSH_BUFFER_SPACE;
   251	
   252			mutex_unlock(&cdma->lock);
 > 253			down(&cdma->sem);
   254			mutex_lock(&cdma->lock);
   255		}
   256	
   257		return 0;
   258	}
   259	/*
   260	 * Start timer that tracks the time spent by the job.
   261	 * Must be called with the cdma lock held.
   262	 */
   263	static void cdma_start_timer_locked(struct host1x_cdma *cdma,
   264					    struct host1x_job *job)
   265	{
   266		struct host1x *host = cdma_to_host1x(cdma);
   267	
   268		if (cdma->timeout.client) {
   269			/* timer already started */
   270			return;
   271		}
   272	
   273		cdma->timeout.client = job->client;
   274		cdma->timeout.syncpt = host1x_syncpt_get(host, job->syncpt_id);
   275		cdma->timeout.syncpt_val = job->syncpt_end;
   276		cdma->timeout.start_ktime = ktime_get();
   277	
   278		schedule_delayed_work(&cdma->timeout.wq,
   279				      msecs_to_jiffies(job->timeout));
   280	}
   281	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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