Comment 21 for bug 1567417

Also crashing here.. this just started... two kernels ago it was working.

[ 9.191708] ------------[ cut here ]------------
[ 9.191726] WARNING: CPU: 3 PID: 1380 at /build/linux-CcaKcB/linux-4.4.0/ubuntu/i915/intel_pm.c:3675 skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]()
[ 9.191727] WARN_ON(!wm_changed)
[ 9.191728] Modules linked in:
[ 9.191729] rtsx_usb_ms memstick bnep bbswitch(OE) binfmt_misc nls_iso8859_1 msi_wmi mxm_wmi sparse_keymap arc4 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm snd_hda_intel irqbypass snd_hda_codec crct10dif_pclmul snd_hda_core snd_hwdep crc32_pclmul ghash_clmulni_intel snd_pcm aesni_intel iwlmvm snd_seq_midi aes_x86_64 snd_seq_midi_event lrw gf128mul snd_rawmidi glue_helper ablk_helper cryptd mac80211 snd_seq snd_seq_device snd_timer snd serio_raw soundcore input_leds joydev iwlwifi cfg80211 btusb btrtl mei_me mei shpchp hci_uart btbcm btqca btintel bluetooth wmi intel_lpss_acpi intel_lpss mac_hid acpi_als kfifo_buf acpi_pad industrialio nvidia_uvm(POE) parport_pc ppdev lp parport autofs4 hid_generic rtsx_usb_sdmmc
[ 9.191754] rtsx_usb usbhid i915_bpo nvidia_drm(POE) nvidia_modeset(POE) intel_ips i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt psmouse fb_sys_fops nvidia(POE) drm ahci alx mdio libahci pinctrl_sunrisepoint video i2c_hid pinctrl_intel hid fjes
[ 9.191764] CPU: 3 PID: 1380 Comm: Xorg Tainted: P W OE 4.4.0-52-generic #73-Ubuntu
[ 9.191765] Hardware name: Micro-Star International Co., Ltd. GP72 6QF/MS-1795, BIOS E1795IMS.114 04/29/2016
[ 9.191766] 0000000000000286 00000000ecd170e0 ffff8800758c7998 ffffffff813f63a3
[ 9.191767] ffff8800758c79e0 ffffffffc0e719a0 ffff8800758c79d0 ffffffff810812f2
[ 9.191768] ffff88047faf6000 ffff88047d6fa148 ffff88047faf7000 ffff88046acab378
[ 9.191770] Call Trace:
[ 9.191773] [<ffffffff813f63a3>] dump_stack+0x63/0x90
[ 9.191775] [<ffffffff810812f2>] warn_slowpath_common+0x82/0xc0
[ 9.191777] [<ffffffff8108138c>] warn_slowpath_fmt+0x5c/0x80
[ 9.191786] [<ffffffffc0d92fec>] skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]
[ 9.191795] [<ffffffffc0d93185>] skl_update_wm+0x185/0x610 [i915_bpo]
[ 9.191804] [<ffffffffc0d96f0e>] intel_update_watermarks+0x1e/0x30 [i915_bpo]
[ 9.191817] [<ffffffffc0e023f8>] intel_atomic_commit+0x448/0x14a0 [i915_bpo]
[ 9.191829] [<ffffffffc0c77bde>] ? drm_atomic_check_only+0x18e/0x590 [drm]
[ 9.191837] [<ffffffffc0c78017>] drm_atomic_commit+0x37/0x60 [drm]
[ 9.191842] [<ffffffffc0d22dc6>] drm_atomic_helper_set_config+0x76/0xb0 [drm_kms_helper]
[ 9.191850] [<ffffffffc0c7679a>] ? drm_modeset_lock_all_ctx+0x9a/0xb0 [drm]
[ 9.191857] [<ffffffffc0c66e42>] drm_mode_set_config_internal+0x62/0x100 [drm]
[ 9.191865] [<ffffffffc0c6b49c>] drm_mode_setcrtc+0x3cc/0x4f0 [drm]
[ 9.191870] [<ffffffffc0c5c752>] drm_ioctl+0x152/0x540 [drm]
[ 9.191877] [<ffffffffc0c6b0d0>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
[ 9.191879] [<ffffffff8122175f>] do_vfs_ioctl+0x29f/0x490
[ 9.191881] [<ffffffff81210301>] ? __sb_end_write+0x21/0x30
[ 9.191882] [<ffffffff8120df0d>] ? vfs_write+0x15d/0x1a0
[ 9.191884] [<ffffffff812219c9>] SyS_ioctl+0x79/0x90
[ 9.191886] [<ffffffff818364b2>] entry_SYSCALL_64_fastpath+0x16/0x71
[ 9.191887] ---[ end trace 3bb4116bedeb08fa ]---