Ming Qian f9c8ddce2f media: amphion: remove mutext lock in condition of wait_event ... mutext_lock should not be called in condition of wait_event, otherwise, when CONFIG_DEBUG_ATOMIC_SLEEP is enabled, we may meet the following warning: do not call blocking ops when !TASK_RUNNING; state=2 WARNING: CPU: 5 PID: 741 at kernel/sched/core.c:9859 __might_sleep+0x80/0xa4 Hardware name: Freescale i.MX8QM MEK (DT) pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __might_sleep+0x80/0xa4 lr : __might_sleep+0x80/0xa4 sp : ffffffc0123738a0 x29: ffffffc0123738a0 x28: ffffffc009194c48 x27: ffffffc00bbc1050 x26: ffffff8814b282f0 x25: ffffff8814b280d0 x24: ffffff8814b28080 x23: 0000000000000001 x22: 0000000000000032 x21: ffffffc00bbc1000 x20: 000000000000011b x19: ffffffc009324670 x18: 00000000fffffffd x17: 30303c5b20746120 x16: 74657320323d6574 x15: 617473203b474e49 x14: 00058b5b8b9aa1f1 x13: ffffffc00903cda0 x12: 00000000d744fcc9 x11: 000000000000001c x10: 00000000000009a0 x9 : ffffffc0090201f4 x8 : ffffff8828245000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : 00000000410fd080 x4 : 0000000000000002 x3 : ffffff8815aab4c8 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffffff8828244600 Call trace: __might_sleep+0x80/0xa4 mutex_lock+0x2c/0x80 sync_session_response+0x110/0x310 vpu_session_send_cmd+0x18c/0x244 vpu_session_start+0x38/0x70 vdec_start_session+0x1b4/0x3e0 vpu_vb2_start_streaming+0xa0/0x1c4 vb2_start_streaming+0x74/0x160 vb2_core_qbuf+0x488/0x650 vb2_qbuf+0x9c/0x100 v4l2_m2m_qbuf+0x7c/0x224 v4l2_m2m_ioctl_qbuf+0x20/0x2c v4l_qbuf+0x50/0x6c __video_do_ioctl+0x174/0x3f0 video_usercopy+0x210/0x7cc video_ioctl2+0x20/0x30 v4l2_ioctl+0x48/0x6c we need to refine check_is_responsed() to remove the mutext_lock, each cmd has a monotonically increasing id, and cmds are executed sequentially, so we can check the id of the last reponsed cmd, then determine whether a command has been responded or not. Signed-off-by: Ming Qian <ming.qian@nxp.com> CC: Xiaolei Wang <xiaolei.wang@windriver.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>		2023-12-13 11:04:45 +01:00
..
cec	media: platform: cros-ec: Add Dexi to the match table	2023-11-23 13:39:09 +01:00
common	media: videobuf2: request more buffers for vb2_read	2023-12-09 07:34:10 +01:00
dvb-core	media: dvb-core: Do not initialize twice queue num_buffer field	2023-11-23 12:10:06 +01:00
dvb-frontends	media: dvb-frontends: rtl2832: Stop direct calls to queue num_buffers field	2023-11-23 12:10:32 +01:00
firewire	media: firewire: firedtv-avc.c: replace BUG with proper, error return	2023-08-10 07:58:37 +02:00
i2c	media: ov9640: Don't set format in sub-device state	2023-12-08 10:04:12 +01:00
mc	media: drop CONFIG_MEDIA_CONTROLLER_REQUEST_API	2023-11-23 13:03:45 +01:00
mmc
pci	media: bttv: add back vbi hack	2023-12-09 07:31:20 +01:00
platform	media: amphion: remove mutext lock in condition of wait_event	2023-12-13 11:04:45 +01:00
radio	media: radio-si476x: don't fill in bus_info	2023-09-27 10:47:23 +02:00
rc	media: meson-ir-tx: Drop usage of platform_driver_probe()	2023-11-16 13:56:48 +01:00
spi
test-drivers	media: visl: Add AV1 support	2023-12-07 08:31:14 +01:00
tuners	media: dvb: symbol fixup for dvb_attach()	2023-09-09 08:15:11 +01:00
usb	media: uvcvideo: Fix power line control for SunplusIT camera	2023-12-09 07:37:33 +01:00
v4l2-core	media: v4l: async: Drop useless list move operation	2023-12-04 11:21:47 +01:00
Kconfig	media: Kconfig: Make DVB_CORE=m possible when MEDIA_SUPPORT=y	2022-12-07 17:58:46 +01:00
Makefile