https://bugzilla.kernel.org/show_bug.cgi?id=103641 Bug ID: 103641 Summary: Resume to black screen, Radeon HD 5750 on DP Product: Drivers Version: 2.5 Kernel Version: 4.0+ Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@xxxxxxxxxxxxxxxxxxxx Reporter: jimmy.kloss@xxxxxxxxx Regression: No When resuming from suspend-to-ram the DisplayPort does not come back The monitor says 'No Signal', only a reboot brings the DP video output back to live. The HDMI output is unaffected. I assumed this happened while enabling DP Audio on radeon. Now I bisected from v3.19 to v4.0 e55bca26188e45f209597abf986c87cc5a49894a is the first bad commit commit e55bca26188e45f209597abf986c87cc5a49894a Author: Slava Grigorev <slava.grigorev@xxxxxxx> Date: Fri Dec 12 17:01:42 2014 -0500 radeon/audio: enable DP audio Reviewed-by: Christian König <christian.koenig@xxxxxxx> Signed-off-by: Slava Grigorev <slava.grigorev@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> :040000 040000 25da4481f28d249ec827fe72c0b14c0a50265887 2eb7eb3728a5b811b0f954cbce486841c90ef938 M drivers -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
