Hi Daniel, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on v4.20-rc1 next-20181106] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Daniel-Vetter/drm-i915-Annotate-dma_fence-waits/20181106-232827 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: i386-randconfig-x000-201844 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): drivers/gpu//drm/i915/i915_request.c: In function 'i915_request_wait': >> drivers/gpu//drm/i915/i915_request.c:1292:3: error: implicit declaration of function 'dma_fence_wait_acquire'; did you mean 'dma_fence_wait_timeout'? [-Werror=implicit-function-declaration] dma_fence_wait_acquire(); ^~~~~~~~~~~~~~~~~~~~~~ dma_fence_wait_timeout >> drivers/gpu//drm/i915/i915_request.c:1295:3: error: implicit declaration of function 'dma_fence_wait_release'; did you mean 'dma_fence_release'? [-Werror=implicit-function-declaration] dma_fence_wait_release(); ^~~~~~~~~~~~~~~~~~~~~~ dma_fence_release cc1: some warnings being treated as errors vim +1292 drivers/gpu//drm/i915/i915_request.c 1265 1266 /** 1267 * i915_request_wait - wait until execution of request has finished 1268 * @rq: the request to wait upon 1269 * @flags: how to wait 1270 * @timeout: how long to wait in jiffies 1271 * 1272 * i915_request_wait() waits for the request to be completed, for a 1273 * maximum of @timeout jiffies (with MAX_SCHEDULE_TIMEOUT implying an 1274 * unbounded wait). 1275 * 1276 * If the caller holds the struct_mutex, the caller must pass I915_WAIT_LOCKED 1277 * in via the flags, and vice versa if the struct_mutex is not held, the caller 1278 * must not specify that the wait is locked. 1279 * 1280 * Returns the remaining time (in jiffies) if the request completed, which may 1281 * be zero or -ETIME if the request is unfinished after the timeout expires. 1282 * May return -EINTR is called with I915_WAIT_INTERRUPTIBLE and a signal is 1283 * pending before the request completes. 1284 */ 1285 long i915_request_wait(struct i915_request *rq, 1286 unsigned int flags, 1287 long timeout) 1288 { 1289 long ret; 1290 1291 if (!lockdep_is_held(&rq->i915->drm.struct_mutex)) > 1292 dma_fence_wait_acquire(); 1293 ret = __i915_request_wait(rq, flags, timeout); 1294 if (!lockdep_is_held(&rq->i915->drm.struct_mutex)) > 1295 dma_fence_wait_release(); 1296 1297 return ret; 1298 } 1299 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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