https://bugzilla.kernel.org/show_bug.cgi?id=213779 Bug ID: 213779 Summary: Screen stays blank on resume. from hibernate Product: Drivers Version: 2.5 Kernel Version: 5.13 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@xxxxxxxxxxxxxxxxxxxx Reporter: alex14641@xxxxxxxxx Regression: No If I close my laptop lid and reopen it, the screen stays blank. Reverting the following commit fixes the issue: commit 9127daa0a8d88a6e6452eb8b7c9be4c3f42a867e Author: Stylon Wang <stylon.wang@xxxxxxx> Date: Tue Mar 2 19:25:56 2021 +0800 drm/amd/display: Guard ASSR with internal display flag [Why] ASSR enabling only considers capability declared in DPCD. We also need to check whether the connector is internal. [How] ASSR enabling need to check both DPCD capability and internal display flag. Signed-off-by: Stylon Wang <stylon.wang@xxxxxxx> Reviewed-by: Harry Wentland <Harry.Wentland@xxxxxxx> Acked-by: Anson Jacob <Anson.Jacob@xxxxxxx> Tested-by: Dan Wheeler <daniel.wheeler@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
