[Bug 91168] New: [Braswell HDMI] No HDMI signal output and kernel crash(Call Trace)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91168

            Bug ID: 91168
           Summary: [Braswell HDMI] No HDMI signal output and kernel
                    crash(Call Trace)
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: samuelchueh at asustor.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Plug-in HDMI connecter after Ubuntu linux boot. No HDMI signal output on
monitor and kernel Call Trace. kernel call trace message as below,


[ 1399.810589] ------------[ cut here ]------------
[ 1399.815507] WARNING: CPU: 1 PID: 32721 at 
/source/linux-4.1.0/drivers/gpu/drm/i915/intel_display.c:1846
vlv_wait_port_ready+0x105/0x111 [i915]()
[ 1399.831828] timed out waiting for port D ready: 0x0000000f
[ 1399.837510] Modules linked in: snd_seq_midi snd_usb_audio snd_usbmidi_lib
snd_rawmidi snd_seq_midi_event snd_seq snd_seq_device cryptodev(O)
iptable_filter ip_tables x_tables iscsi_scst(O) scst_vdisk(O) scst(O)
snd_hda_codec_hdmi i915 drm_kms_helper drm snd_hda_intel snd_hda_controller
snd_hda_codec snd_hwdep snd_pcm snd_timer snd snd_hda_core isofs udf crc_itu_t
sr_mod cdrom quota_v2 quota_tree dm_crypt [last unloaded: bluetooth]
[ 1399.878383] CPU: 1 PID: 32721 Comm: X Tainted: G           O    4.1.0 #1
[ 1399.885393] Hardware name: Insyde AS61xx/Type2 - Board Product Name, BIOS
V1.09 06/03/2015
[ 1399.894076]  0000000000000736 ffff880177783948 ffffffff8151fa98
0000000000002df3
[ 1399.901914]  ffff880177783998 ffff880177783988 ffffffff810531f1
ffffffff810966a7
[ 1399.909705]  ffffffffa01a71d5 ffff880178810000 000000000000000f
0000000000186240
[ 1399.917499] Call Trace:
[ 1399.920032]  [<ffffffff8151fa98>] dump_stack+0x45/0x57
[ 1399.925396]  [<ffffffff810531f1>] warn_slowpath_common+0x97/0xb1
[ 1399.931606]  [<ffffffff810966a7>] ? update_rmtp+0x61/0x61
[ 1399.937279]  [<ffffffffa01a71d5>] ? vlv_wait_port_ready+0x105/0x111 [i915]
[ 1399.944423]  [<ffffffff8105329f>] warn_slowpath_fmt+0x41/0x43
[ 1399.950418]  [<ffffffffa01979d0>] ? chv_read32+0x146/0x151 [i915]
[ 1399.956793]  [<ffffffffa01a71d5>] vlv_wait_port_ready+0x105/0x111 [i915]
[ 1399.963779]  [<ffffffffa01d20f1>] chv_hdmi_pre_enable+0x3df/0x3ee [i915]
[ 1399.970754]  [<ffffffffa01ac797>] valleyview_crtc_enable+0x1c5/0x254 [i915]
[ 1399.978001]  [<ffffffffa01abe1a>] __intel_set_mode+0x917/0x9b7 [i915]
[ 1399.984761]  [<ffffffffa00e370e>] ? drm_atomic_get_crtc_state+0x19/0xaa
[drm]
[ 1399.992258]  [<ffffffffa01b1c2c>] intel_crtc_set_config+0x898/0xc09 [i915]
[ 1399.999373]  [<ffffffffa00d5f64>] ? _object_find+0x7d/0x9e [drm]
[ 1400.005640]  [<ffffffffa00d6b84>] drm_mode_set_config_internal+0x54/0xe0
[drm]
[ 1400.013167]  [<ffffffffa00daa2d>] drm_mode_setcrtc+0x47f/0x4d7 [drm]
[ 1400.019726]  [<ffffffffa00ce93c>] drm_ioctl+0x28c/0x3bf [drm]
[ 1400.025697]  [<ffffffffa00da5ae>] ? drm_mode_setplane+0x186/0x186 [drm]
[ 1400.032577]  [<ffffffff81123d38>] do_vfs_ioctl+0x419/0x45a
[ 1400.038263]  [<ffffffff811159d9>] ? fdput.isra.18+0xf/0x11
[ 1400.043963]  [<ffffffff81115ae4>] ? fdput_pos.isra.22+0x29/0x30
[ 1400.050100]  [<ffffffff81123db9>] SyS_ioctl+0x40/0x5f
[ 1400.055370]  [<ffffffff81524957>] system_call_fastpath+0x12/0x6a
[ 1400.061616] ---[ end trace 301c639bb16a9228 ]---

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