[Bug 96451] New: intel_pm.c:3586 skl_update_other_pipe_wm+0x191/0x1a0 [i915]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96451

            Bug ID: 96451
           Summary: intel_pm.c:3586 skl_update_other_pipe_wm+0x191/0x1a0
                    [i915]
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: jan at wth.in
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

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WARNING: CPU: 1 PID: 2061 at drivers/gpu/drm/i915/intel_pm.c:3586
skl_update_other_pipe_wm+0x191/0x1a0 [i915]
WARN_ON(!wm_changed)
Modules linked in: 
 rfcomm arc4 iwlmvm mac80211 tun snd_hda_codec_hdmi dell_led
snd_hda_codec_realtek snd_hda_codec_generic ip6t_rpfilter ip6t_REJ
 memstick pcspkr joydev snd_timer snd videobuf2_vmalloc videobuf2_memops
i2c_i801 soundcore input_leds videobuf2_v4l2 i2c_algo_
 cryptd serio_raw e1000e ptp pps_core rtsx_pci mfd_core nvme nvme_core ahci
libahci libata i2c_hid fjes dm_mirror dm_region_has
CPU: 1 PID: 2061 Comm: X Tainted: G        W       4.6.1-1.el7.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E7270/0T0V7J, BIOS 1.4.2 03/04/2016
 0000000000000286 00000000d865bfc6 ffff8803ac6d38e0 ffffffff81344c5f
 ffff8803ac6d3930 0000000000000000 ffff8803ac6d3920 ffffffff8107fb91
 00000e0200000000 ffff880439c59000 ffff880439c5a000 0000000000000004
Call Trace:
 [<ffffffff81344c5f>] dump_stack+0x63/0x84
 [<ffffffff8107fb91>] __warn+0xd1/0xf0
 [<ffffffff8107fc0f>] warn_slowpath_fmt+0x5f/0x80
 [<ffffffffa079cf81>] skl_update_other_pipe_wm+0x191/0x1a0 [i915]
 [<ffffffffa079d14f>] skl_update_wm+0x1bf/0x6e0 [i915]
 [<ffffffffa07e80b0>] ? gen9_write32+0xa0/0x360 [i915]
 [<ffffffffa082763f>] ? intel_ddi_enable_transcoder_func+0x17f/0x260 [i915]
 [<ffffffffa079e6ce>] intel_update_watermarks+0x1e/0x30 [i915]
 [<ffffffffa080add1>] haswell_crtc_enable+0x321/0x8d0 [i915]
 [<ffffffffa080789f>] intel_atomic_commit+0x70f/0xdc0 [i915]
 [<ffffffffa05994e0>] ? drm_atomic_check_only+0x130/0x5f0 [drm]
 [<ffffffffa0598d67>] ? drm_atomic_set_crtc_for_connector+0x57/0xe0 [drm]
 [<ffffffffa05999d7>] drm_atomic_commit+0x37/0x60 [drm]
 [<ffffffffa064f7ab>] drm_atomic_helper_set_config+0x7b/0xb0 [drm_kms_helper]
 [<ffffffffa0589734>] drm_mode_set_config_internal+0x64/0x100 [drm]
 [<ffffffffa058d1dc>] drm_mode_setcrtc+0xec/0x530 [drm]
 [<ffffffffa057eb9d>] drm_ioctl+0x25d/0x4f0 [drm]
 [<ffffffffa058d0f0>] ? drm_mode_setplane+0x1c0/0x1c0 [drm]
 [<ffffffff812c70de>] ? selinux_file_ioctl+0x13e/0x200
 [<ffffffff81223b26>] do_vfs_ioctl+0xa6/0x5c0
 [<ffffffff812240b9>] SyS_ioctl+0x79/0x90
 [<ffffffff81003c12>] do_syscall_64+0x62/0x110
 [<ffffffff81716761>] entry_SYSCALL64_slow_path+0x25/0x25
---[ end trace 0f7c3f456e76ab3c ]---

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