[Bug 98020] Tonga agd5f 4.9-wip WARNING: at drivers/gpu/drm/drm_irq.c:1168 drm_vblank_put+0xaa/0xb0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98020

            Bug ID: 98020
           Summary: Tonga agd5f 4.9-wip WARNING: at
                    drivers/gpu/drm/drm_irq.c:1168
                    drm_vblank_put+0xaa/0xb0
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: adf.lists at gmail.com

R9285 on current agd5f drm-next-4.9-wip I get 00s of below when running
videos/games full screen.

The last version of the branch didn't have this issue.

No bisect, but a couple of reset --hard seem to show it started with one of the
recent merges.

Oct  2 20:59:18 ph4 kernel: WARNING: CPU: 2 PID: 735 at
drivers/gpu/drm/drm_irq.c:1168 drm_vblank_put+0xaa/0xb0 [drm]
Oct  2 20:59:18 ph4 kernel: Modules linked in: amdgpu fbcon bitblit
fbcon_rotate fbcon_ccw fbcon_ud snd_hda_codec_realtek fbcon_cw
snd_hda_codec_generic snd_usb_audio softcursor snd_hda_codec_hdmi font
snd_hda_intel mfd_core tileblit i2c_algo_bit snd_hda_codec drm_kms_helper
snd_usbmidi_lib snd_rawmidi snd_hda_core syscopyarea sysfillrect snd_hwdep
sysimgblt snd_seq_device fb_sys_fops snd_pcm ttm drm snd_timer snd r8169
serio_raw e100 xhci_pci xhci_hcd soundcore i2c_piix4 mii k10temp acpi_cpufreq
Oct  2 20:59:18 ph4 kernel: CPU: 2 PID: 735 Comm: Xorg Tainted: G        W     
 4.8.0-rc8-gb97c6ee #3
Oct  2 20:59:18 ph4 kernel: Hardware name: To Be Filled By O.E.M. To Be Filled
By O.E.M./970 Extreme3 R2.0, BIOS P1.60 06/05/2014
Oct  2 20:59:18 ph4 kernel:  0000000000000000 ffff88023210bc78 ffffffff812d8bcb
0000000000000000
Oct  2 20:59:18 ph4 kernel:  0000000000000000 ffff88023210bcb8 ffffffff8105d378
00000490a016ee6b
Oct  2 20:59:18 ph4 kernel:  ffff88023210bdb8 ffff8802320e9068 00000000ffffffea
ffff8802320e9000
Oct  2 20:59:18 ph4 kernel: Call Trace:
Oct  2 20:59:18 ph4 kernel:  [<ffffffff812d8bcb>] dump_stack+0x4f/0x74
Oct  2 20:59:18 ph4 kernel:  [<ffffffff8105d378>] __warn+0xd8/0x100
Oct  2 20:59:18 ph4 kernel:  [<ffffffff8105d458>] warn_slowpath_null+0x18/0x20
Oct  2 20:59:18 ph4 kernel:  [<ffffffffa015ce7a>] drm_vblank_put+0xaa/0xb0
[drm]
Oct  2 20:59:18 ph4 kernel:  [<ffffffffa015ce92>] drm_crtc_vblank_put+0x12/0x20
[drm]
Oct  2 20:59:18 ph4 kernel:  [<ffffffffa0177357>]
drm_mode_page_flip_ioctl+0x1c7/0x4a0 [drm]
Oct  2 20:59:18 ph4 kernel:  [<ffffffffa015ba98>] drm_ioctl+0x218/0x510 [drm]
Oct  2 20:59:18 ph4 kernel:  [<ffffffffa0177190>] ?
drm_mode_cursor2_ioctl+0x10/0x10 [drm]
Oct  2 20:59:18 ph4 kernel:  [<ffffffff811a4d70>] ? do_readv_writev+0x130/0x220
Oct  2 20:59:18 ph4 kernel:  [<ffffffff8108127c>] ? preempt_count_add+0x7c/0xc0
Oct  2 20:59:18 ph4 kernel:  [<ffffffff810812a3>] ? preempt_count_add+0xa3/0xc0
Oct  2 20:59:18 ph4 kernel:  [<ffffffff815a9313>] ?
_raw_write_unlock_irqrestore+0x13/0x30
Oct  2 20:59:18 ph4 kernel:  [<ffffffff815a9339>] ?
_raw_spin_unlock_irqrestore+0x9/0x10
Oct  2 20:59:18 ph4 kernel:  [<ffffffffa035d054>] amdgpu_drm_ioctl+0x54/0x90
[amdgpu]
Oct  2 20:59:18 ph4 kernel:  [<ffffffff811b7e58>] do_vfs_ioctl+0x98/0x5b0
Oct  2 20:59:18 ph4 kernel:  [<ffffffff811c2892>] ? __fget+0x72/0xa0
Oct  2 20:59:18 ph4 kernel:  [<ffffffff811b83b7>] SyS_ioctl+0x47/0x80
Oct  2 20:59:18 ph4 kernel:  [<ffffffff815a979f>]
entry_SYSCALL_64_fastpath+0x17/0x93
Oct  2 20:59:18 ph4 kernel: ---[ end trace 24b073819e664cb0 ]---
Oct  2 20:59:18 ph4 kernel: ------------[ cut here ]------------

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