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
Attachment:
.config.gz
Description: application/gzip
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