(Tiled) MST display Dell UP3214Q only initialized very late
Submitted by Paul Menzel
Assigned to Intel GFX Bugs mailing list
Link to original bug (#107980)
Description
Created attachment 141642
Linux 4.19-rc4+ (drm-tip) messages
Using the MST display Dell UP3214Q connected over DisplayPort, with at least Linux 4.14, Linux 4.18.6, and drm-tip, the early Linux messages are not shown on the screen.
Note, that the firmware of the Fujitsu system is not able to initialize the display, so neither the Fujitsu logo nor the GRUB menu is visible. (Legacy boot is used.)
Despite these issues, the early Intel driver should display something in fallback mode. Can this be done?
Please find the logs attached.
Attachment 141642, "Linux 4.19-rc4+ (drm-tip) messages":
linuxâ__4.19-rc4â__drm-tipâ__dmesg.txt