Jun 30 17:59:24 sunny kernel: ------------[ cut here ]------------
Jun 30 17:59:24 sunny kernel: WARNING: CPU: 0 PID: 3201 at drivers/gpu/drm/drm_atomic_helper.c:1529 drm_atomic_helper_wait_for_vblanks.part.0+0x2a4/0x2b0
Jun 30 17:59:24 sunny kernel: [CRTC:47:crtc-0] vblank wait timed out
Jun 30 17:59:24 sunny kernel: Modules linked in: evdev sun4i_gpadc_iio axp20x_pek axp20x_adc sun4i_backend lima sun4i_ts sun4i_gpadc sunxi_wdt sunxi_cedrus(C) videobuf2_dma_contig v4l2_mem2mem sun4i_drm_hdmi videobuf2_memops videobuf2_v4l2 videobuf2_common sun4i_ss sun4i_emac mdio_sun4i sun4i_drm sun4i_frontend sun4i_tcon sun8i_tcon_top drm_cma_helper display_connector uio_pdrv_genirq uio cfg80211 rfkill sch_fq_codel fuse ip_tables x_tables
Jun 30 17:59:24 sunny kernel: CPU: 0 PID: 3201 Comm: kworker/u2:3 Tainted: G        WC        5.17.1-1-ARCH #1
Jun 30 17:59:24 sunny kernel: Hardware name: Allwinner sun4i/sun5i Families
Jun 30 17:59:24 sunny kernel: Workqueue: events_unbound commit_work
Jun 30 17:59:24 sunny kernel:  unwind_backtrace from show_stack+0x10/0x14
Jun 30 17:59:24 sunny kernel:  show_stack from dump_stack_lvl+0x40/0x4c
Jun 30 17:59:24 sunny kernel:  dump_stack_lvl from __warn+0xb0/0xd8
Jun 30 17:59:24 sunny kernel:  __warn from warn_slowpath_fmt+0x78/0xac
Jun 30 17:59:24 sunny kernel:  warn_slowpath_fmt from drm_atomic_helper_wait_for_vblanks.part.0+0x2a4/0x2b0
Jun 30 17:59:24 sunny kernel:  drm_atomic_helper_wait_for_vblanks.part.0 from drm_atomic_helper_commit_tail_rpm+0x7c/0x8c
Jun 30 17:59:24 sunny kernel:  drm_atomic_helper_commit_tail_rpm from commit_tail+0x9c/0x180
Jun 30 17:59:24 sunny kernel:  commit_tail from process_one_work+0x1f4/0x434
Jun 30 17:59:24 sunny kernel:  process_one_work from worker_thread+0x50/0x53c
Jun 30 17:59:24 sunny kernel:  worker_thread from kthread+0xec/0x11c
Jun 30 17:59:24 sunny kernel:  kthread from ret_from_fork+0x14/0x2c
Jun 30 17:59:24 sunny kernel: Exception stack(0xc3df1fb0 to 0xc3df1ff8)
Jun 30 17:59:24 sunny kernel: 1fa0:                                     00000000 00000000 00000000 00000000
Jun 30 17:59:24 sunny kernel: 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Jun 30 17:59:24 sunny kernel: 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
Jun 30 17:59:24 sunny kernel: ---[ end trace 0000000000000000 ]---