Description of problem:
Just rebooting my computer, logged into KDE and saw this crash report.

Additional info:
reporter:       libreport-2.2.3
WARNING: CPU: 4 PID: 708 at drivers/gpu/drm/i915/intel_dp.c:137 intel_dp_max_link_bw.isra.7+0x3e/0xa0 [i915]()
invalid max DP link bw val 0, using 1.62Gbps
Modules linked in: ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack xt_CHECKSUM iptable_mangle tun bridge stp llc ip6table_filter ip6_tables ebtable_nat ebtables ccm snd_hda_codec_hdmi uvcvideo arc4 snd_hda_codec_realtek snd_hda_codec_generic iwldvm snd_hda_intel mac80211 snd_hda_controller snd_hda_codec snd_hwdep snd_seq dell_wmi sparse_keymap r8169 x86_pkg_temp_thermal coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel videobuf2_vmalloc iwlwifi cfg80211 videobuf2_memops videobuf2_core v4l2_common videodev media iTCO_wdt iTCO_vendor_support lpc_ich dell_laptop mei_me mfd_core rfkill snd_seq_device snd_pcm dcdbas serio_raw i2c_i801 mei mii microcode snd_timer snd shpchp soundcore dell_smo8800 nfsd
auth_rpcgss nfs_acl lockd sunrpc binfmt_misc i915 i2c_algo_bit drm_kms_helper drm i2c_core wmi video
CPU: 4 PID: 708 Comm: X Not tainted 3.16.3-200.fc20.x86_64 #1
Hardware name: Dell Inc.          Dell System XPS L502X/0NJT03, BIOS A07 10/20/2011
0000000000000000 000000006c5fa369 ffff880231a57a80 ffffffff81707091
ffff880231a57ac8 ffff880231a57ab8 ffffffff8108d0ad ffff8800b5fbc800
ffff880230e43000 0000000000000000 ffff880214cdf000 0000000000000004
Call Trace:
[<ffffffff81707091>] dump_stack+0x45/0x56
[<ffffffff8108d0ad>] warn_slowpath_common+0x7d/0xa0
[<ffffffff8108d12c>] warn_slowpath_fmt+0x5c/0x80
[<ffffffffa0106f3e>] intel_dp_max_link_bw.isra.7+0x3e/0xa0 [i915]
[<ffffffffa010703a>] intel_dp_compute_config+0x9a/0x680 [i915]
[<ffffffff810c0982>] ? default_wake_function+0x12/0x20
[<ffffffffa00ed6d4>] __intel_set_mode+0xbb4/0x1590 [i915]
[<ffffffffa00f0756>] intel_set_mode+0x16/0x30 [i915]
[<ffffffffa00f168d>] intel_crtc_set_config+0x8ed/0xdb0 [i915]
[<ffffffffa00366a1>] drm_mode_set_config_internal+0x61/0xe0 [drm]
[<ffffffffa0039f48>] drm_mode_setcrtc+0xe8/0x5c0 [drm]
[<ffffffffa002aa6c>] drm_ioctl+0x1ec/0x660 [drm]
[<ffffffff812068a0>] do_vfs_ioctl+0x2e0/0x4a0
[<ffffffff811f550e>] ? ____fput+0xe/0x10
[<ffffffff81206ae1>] SyS_ioctl+0x81/0xa0
[<ffffffff81125ed6>] ? __audit_syscall_exit+0x1f6/0x2a0
[<ffffffff8170e6e9>] system_call_fastpath+0x16/0x1b