[Bug 207763] Noisy Screen in Linux with kernel 5

https://bugzilla.kernel.org/show_bug.cgi?id=207763

--- Comment #3 from Mohammad Naeim (xunilarium@gmail.com) --- (In reply to Alex Deucher from comment #1)

Does reverting:

commit 33b3ad3788aba846fc8b9a065fe2685a0b64f713 Author: Christoph Hellwig hch@lst.de Date: Thu Aug 15 09:27:00 2019 +0200

drm/radeon: handle PCIe root ports with addressing limitations

radeon uses a need_dma32 flag to indicate to the drm core that some
allocations need to be done using GFP_DMA32, but it only checks the
device addressing capabilities to make that decision.  Unfortunately
PCIe root ports that have limited addressing exist as well.  Use the
dma_addressing_limited instead to also take those into account.

Reviewed-by: Christian König <christian.koenig@amd.com>
Reported-by: Atish Patra <Atish.Patra@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fix the issue?

I did this and the issue still exists: https://www.reddit.com/r/linuxquestions/comments/gqrk3m/noisy_screen_in_linu...