Oops#1 Part21
<7>[  753.757912] i915 0000:00:02.0: [drm:update_display_info.part.0] [CONNECTOR:588:HDMI-A-1] ELD size 36, SAD count 0
<7>[  753.758335] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
<7>[  753.758511] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7>[  753.759136] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
<7>[  753.759155] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off
<7>[  753.759530] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7>[  753.759787] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7>[  753.760001] i915 0000:00:02.0: [drm:drm_dp_dual_mode_detect [drm_display_helper]] DP dual mode HDMI ID:  (err -6)
<7>[  753.760445] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "4088x2304": 10 108000 4088 4152 4280 4536 2304 2305 2308 2340 0x40 0x5 (VIRTUAL_X)
<7>[  753.760453] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "3840x2160": 15 128430 3840 3889 3921 4000 2160 2163 2169 2195 0x40 0xa (VIRTUAL_X)
<7>[  753.760459] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "2880x1800": 11 60000 2880 2888 2984 3040 1800 1802 1820 1845 0x40 0xa (VIRTUAL_X)
<7>[  753.760465] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "2560x1600": 13 60000 2560 2568 2664 2720 1600 1602 1620 1645 0x40 0xa (VIRTUAL_X)
<7>[  753.760471] i915 0000:00:02.0: [drm:drm_mode_prune_invalid] Rejected mode: "2560x1440": 15 60000 2560 2568 2664 2720 1440 1442 1460 1485 0x40 0xa (VIRTUAL_X)