7:45 p.m.
Hi Benoit,
FYI, the error/warning still remains.
tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-rt-linux-5.10.y
head: 541ec9a6995c3dd881d6f0b63cc714a08ded457d
commit: b5eff5a26c1aa3a3872533555a4678d510d07f87 [9021/10213] drm/omap: add WB support
config: arm-allyesconfig
(https://download.01.org/0day-ci/archive/20211208/202112081614.68G1VspQ-lk...)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
git remote add ti git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git
git fetch --no-tags ti ti-rt-linux-5.10.y
git checkout b5eff5a26c1aa3a3872533555a4678d510d07f87
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir
ARCH=arm SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
drivers/gpu/drm/omapdrm/omap_wb_cap.c: In function 'stop_streaming':
> drivers/gpu/drm/omapdrm/omap_wb_cap.c:512:13: warning: variable
'ret' set but not used [-Wunused-but-set-variable]
512 | int
ret;
| ^~~
vim +/ret +512 drivers/gpu/drm/omapdrm/omap_wb_cap.c
502
503 /*
504 * Stop the DMA engine. Any remaining buffers in the DMA queue are dequeued
505 * and passed on to the vb2 framework marked as STATE_ERROR.
506 */
507 static void stop_streaming(struct vb2_queue *vq)
508 {
509 struct wbcap_dev *wbcap = vb2_get_drv_priv(vq);
510 struct omap_drm_private *priv = wbcap->dev->drm_dev->dev_private;
511 struct drm_crtc *crtc;
512 int ret;
513
514 log_dbg(wbcap, "Stopping WB\n");
515 log_dbg(wbcap, "current state: %d\n", wbcap->state);
516
517 wbcap->stopping = true;
518 ret = wait_event_timeout(wbcap->event,
519 !wbcap->stopping,
520 msecs_to_jiffies(250));
521
522 log_dbg(wbcap, "Returning VB2 buffers\n");
523
524 if (priv->dispc_ops->wb_go_busy(priv->dispc))
525 log_err(wbcap, "WARNING, WB BUSY when stopping\n");
526
527 /* Release all active buffers */
528 return_all_buffers(wbcap, VB2_BUF_STATE_ERROR);
529
530 /* Disable vsync irq on the input crtc */
531 crtc = priv->pipes[wb_inputs[wbcap->input].crtc_index].crtc;
532 drm_crtc_vblank_put(crtc);
533
534 priv->dispc_ops->runtime_put(priv->dispc);
535 }
536
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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org