[Bug 198745] Blank screen on RX 580 with AMDGPU Display Core enabled

https://bugzilla.kernel.org/show_bug.cgi?id=198745

--- Comment #14 from Harry Wentland (harry.wentland@amd.com) --- Created attachment 274477 --> https://bugzilla.kernel.org/attachment.cgi?id=274477&action=edit [PATCH] drm/amd/display: Disable HPD filter for HDMI

This is a bit of a shot in the dark but I'm curious if HPD filtering causes us to lose the HPD signal for some reason.

Do you have a chance to try this patch and see if it fixes the issue?

Note: This patch is really only for debug purposes and might lead to other instability with display detection.