Description of problem:
Suspending an HP Pavilion laptop (happened during the powering back up).

Additional info:
reporter:       libreport-2.1.10
WARNING: CPU: 2 PID: 10357 at drivers/gpu/drm/i915/intel_ddi.c:366 intel_ddi_put_crtc_pll+0x2b1/0x2c0 [i915]()
Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6t_REJECT xt_conntrack bnep bluetooth ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw iTCO_wdt x86_pkg_temp_thermal iTCO_vendor_support coretemp kvm_intel hp_wmi sparse_keymap kvm crct10dif_pclmul crc32_pclmul crc32c_intel arc4 ghash_clmulni_intel microcode rtl8188ee rtl_pci snd_hda_codec_realtek snd_hda_codec_hdmi rtlwifi i2c_i801 serio_raw uvcvideo mac80211 videobuf2_vmalloc videobuf2_memops snd_hda_intel videobuf2_core cfg80211 snd_hda_codec videodev joydev snd_hwdep media snd_seq snd_seq_device snd_pcm rfkill r8169 mii lpc_ich mei_me mei mfd_core shpchp snd_page_alloc snd_timer snd soundcore wmi nfsd auth_rpcgss nfs_acl lockd sunrpc i915 i2c_algo_bit drm_kms_helper drm i2c_core video
CPU: 2 PID: 10357 Comm: kworker/u16:1 Not tainted 3.12.6-300.fc20.x86_64 #1
Hardware name: Hewlett-Packard HP Pavilion 15 Notebook PC/2163, BIOS F.34 10/31/2013
Workqueue: events_unbound async_run_entry_fn
 0000000000000009 ffff88021c9519d0 ffffffff816630c1 0000000000000000
 ffff88021c951a08 ffffffff810691dd ffff8802513f8000 ffff8802539f6000
 000000000001a9c8 0000000000000001 ffff88025179d800 ffff88021c951a18
Call Trace:
 [<ffffffff816630c1>] dump_stack+0x45/0x56
 [<ffffffff810691dd>] warn_slowpath_common+0x7d/0xa0
 [<ffffffff810692ba>] warn_slowpath_null+0x1a/0x20
 [<ffffffffa00c84b1>] intel_ddi_put_crtc_pll+0x2b1/0x2c0 [i915]
 [<ffffffffa00c8509>] intel_ddi_pll_mode_set+0x49/0x8b0 [i915]
 [<ffffffffa0024591>] ? drm_vblank_get+0x71/0x2c0 [drm]
 [<ffffffffa00bb67f>] haswell_crtc_mode_set+0x3f/0x390 [i915]
 [<ffffffffa00bca54>] __intel_set_mode+0x694/0x1420 [i915]
 [<ffffffffa00c2c25>] intel_modeset_setup_hw_state+0x965/0xc70 [i915]
 [<ffffffff81666ea2>] ? mutex_lock+0x12/0x30
 [<ffffffffa008627b>] __i915_drm_thaw+0x11b/0x1c0 [i915]
 [<ffffffffa00865cf>] i915_resume+0x6f/0xb0 [i915]
 [<ffffffffa0086626>] i915_pm_resume+0x16/0x20 [i915]
 [<ffffffff8133be04>] pci_pm_resume+0x64/0xb0
 [<ffffffff8133bda0>] ? pci_pm_thaw+0xa0/0xa0
 [<ffffffff81407e39>] dpm_run_callback+0x49/0xa0
 [<ffffffff81407f96>] device_resume+0xc6/0x1f0
 [<ffffffff814080dd>] async_resume+0x1d/0x50
 [<ffffffff810920d9>] async_run_entry_fn+0x39/0x120
 [<ffffffff810835f6>] process_one_work+0x176/0x430
 [<ffffffff8108422b>] worker_thread+0x11b/0x3a0
 [<ffffffff81084110>] ? rescuer_thread+0x350/0x350
 [<ffffffff8108b0d0>] kthread+0xc0/0xd0
 [<ffffffff8108b010>] ? insert_kthread_work+0x40/0x40
 [<ffffffff8167207c>] ret_from_fork+0x7c/0xb0
 [<ffffffff8108b010>] ? insert_kthread_work+0x40/0x40