[Bug 97877] [SKL] monitor is not detected unless it was active during boot

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97877

--- Comment #1 from Maarten Maathuis <madman2003 at gmail.com> ---
Hotplug on builtin DP->HDMI 2.0 converter:

[ 1634.666165] [drm:intel_get_hpd_pins] hotplug event received, stat
0x00800000, dig 0x10121010, pins 0x00000080
[ 1634.666179] [drm:intel_hpd_irq_handler] digital hpd port D - long
[ 1634.666183] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 7
- cnt: 0
[ 1634.666229] [drm:intel_dp_hpd_pulse] got hpd irq on port D - long
[ 1634.666253] [drm:i915_hotplug_work_func] running encoder hotplug functions
[ 1634.666258] [drm:i915_hotplug_work_func] Connector DP-2 (pin 7) received
hotplug event.
[ 1634.666261] [drm:intel_dp_detect] [CONNECTOR:48:DP-2]
[ 1634.666273] [drm:i915_hotplug_work_func] Connector HDMI-A-3 (pin 7) received
hotplug event.
[ 1634.666284] [drm:intel_hdmi_detect] [CONNECTOR:52:HDMI-A-3]
[ 1634.769941] [drm:intel_hdmi_detect] HDMI live status down
[ 1640.748356] [drm:intel_get_hpd_pins] hotplug event received, stat
0x00800000, dig 0x10121010, pins 0x00000080
[ 1640.748369] [drm:intel_hpd_irq_handler] digital hpd port D - long
[ 1640.748373] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 7
- cnt: 0
[ 1640.748416] [drm:intel_dp_hpd_pulse] got hpd irq on port D - long
[ 1640.756938] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.765400] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.773936] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.782410] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.790910] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.799389] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.807907] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.816409] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.824895] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.833427] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.841915] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.850426] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.858919] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.867423] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.875924] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.884424] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.892899] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.901454] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.910008] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.918494] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.926994] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.935486] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.943982] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.952461] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.960971] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.969459] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.978003] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.986482] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1640.994973] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.003497] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.011986] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.020504] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.020506] [drm:drm_dp_dpcd_access] too many retries, giving up
[ 1641.020528] [drm:i915_hotplug_work_func] running encoder hotplug functions
[ 1641.020529] [drm:i915_hotplug_work_func] Connector DP-2 (pin 7) received
hotplug event.
[ 1641.020530] [drm:intel_dp_detect] [CONNECTOR:48:DP-2]
[ 1641.029054] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.037563] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.046092] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.054583] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.063076] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.071567] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.080094] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.088568] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.097054] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.105565] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.114114] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.122602] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.131111] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.139599] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.148099] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.156586] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.165091] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.173599] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.182079] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.190587] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.199066] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.207558] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.216041] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.224564] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.233067] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.241576] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.250103] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.258577] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.267090] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.275617] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.284117] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.292628] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7d40001f
[ 1641.292630] [drm:drm_dp_dpcd_access] too many retries, giving up
[ 1641.292638] [drm:i915_hotplug_work_func] Connector HDMI-A-3 (pin 7) received
hotplug event.
[ 1641.292651] [drm:intel_hdmi_detect] [CONNECTOR:52:HDMI-A-3]
[ 1641.292995] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpd] NAK for addr: 0050
w(1)
[ 1641.292996] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpd] NAK on first message,
retry
[ 1641.293340] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpd] NAK for addr: 0050
w(1)
[ 1641.293341] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter
i915 gmbus dpd
[ 1641.293695] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpd] NAK for addr: 0040
w(1)
[ 1641.293696] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpd] NAK on first message,
retry
[ 1641.294016] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpd] NAK for addr: 0040
w(1)

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