Hi, I have a monitor, that when connected a skylake system, doesn't ever come up when hotplugging or after resume. The "bios" seems to not have problems bringing it up, even at the native 3840x2160 resolution, and when it works, all modes are correctly read (checked via xrandr).
I tried both the HMDI 1.4 port, as well as the DP 1.2 -> HDMI 2.0 built in conversion chip. This is the dmesg output I have when plugging in this monitor, the DP-2 connector is the one that should be detected. Any advice on how to proceed? Please be aware I am not subscribed to this mailing list, so please reply to me directly as well. Maarten. [ 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) -- Far away from the primal instinct, the song seems to fade away, the river get wider between your thoughts and the things we do and say.
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