Oops#1 Part21
<7>[  247.864713] i915 0000:00:02.0: [drm:i915_driver_probe [i915]] device info: has EU power gating: no
<6>[  247.864903] i915 0000:00:02.0: [drm] DRM_I915_DEBUG enabled
<6>[  247.864904] i915 0000:00:02.0: [drm] DRM_I915_DEBUG_GEM enabled
<6>[  247.864906] i915 0000:00:02.0: [drm] DRM_I915_DEBUG_RUNTIME_PM enabled
<7>[  247.893370] i915 0000:00:02.0: [drm:drm_fb_helper_hotplug_event] 
<7>[  247.893391] i915 0000:00:02.0: [drm:drm_client_modeset_probe] 
<7>[  247.893970] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:588:HDMI-A-1]
<7>[  247.893995] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:588:HDMI-A-1]
<7>[  247.922496] i915 0000:00:02.0: [drm:update_display_info.part.0] [CONNECTOR:588:HDMI-A-1] Supported Monitor Refresh rate range is 0 Hz - 0 Hz
<7>[  247.922508] i915 0000:00:02.0: [drm:update_display_info.part.0] [CONNECTOR:588:HDMI-A-1] Assigning EDID-1.4 digital sink color depth as 8 bpc.
<7>[  247.922512] i915 0000:00:02.0: [drm:update_display_info.part.0] [CONNECTOR:588:HDMI-A-1] ELD monitor fitHeadless4k
<7>[  247.922520] i915 0000:00:02.0: [drm:update_display_info.part.0] [CONNECTOR:588:HDMI-A-1] ELD size 36, SAD count 0
<7>[  247.923058] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
<7>[  247.923267] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry
<7>[  247.923927] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0040 w(1)
<7>[  247.924163] i915 0000:00:02.0: [drm:drm_dp_dual_mode_detect [drm_display_helper]] DP dual mode HDMI ID:  (err -6)