[Bug 208947] amdgpu DisplayPort won't recognize all display modes after 5.9 merges

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=208947

--- Comment #15 from Coleman Kane (ckane at colemankane.org) ---
Spoke too soon - that addition to the linux command line merely makes it work
intermittently. Sometimes I'll get the old behavior (max 1024x768), sometimes
I'll get the correct behavior, and sometimes I'll have the video modes
available but the display won't turn on if I select them.

So I'm back to patching over the problem by commenting out the call to
check_link_loss_status and its assignment to status in
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c

I'll report back after that.

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