HD6450 KMS failure

Submitted by Will Lewis

Assigned to Default DRI bug account

Link to original bug (#98037)

Description

Created attachment 126985
boot log

I have an HD6450 connected to a Vizio 4K TV via HDMI passed through a Denon AVR-1913 receiver. Until the radeon module is loaded, boot output is visible. Running xorg-xf86-video-ati 7.7.1 and vanilla Linux kernel 4.7.2.

Attachment 126985, "boot log":
boot