[Bug 214621] WARNING: CPU: 3 PID: 521 at drivers/gpu/drm/ttm/ttm_bo.c:409 ttm_bo_release+0xb64/0xe40 [ttm]

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=214621

--- Comment #19 from Erhard F. (erhard_f at mailbox.org) ---
(In reply to Lang Yu from comment #18)
> Hi all,
> 
> I reproduced the issue. Thanks for Erhard F.'s work!
> 
> The problem is the pinned BO of last call to 
> amdgpu_display_crtc_page_flip_target() was not unpinned properly.
Thanks for your work on it Lang! I was rather busy and would have been able to
test it out this weekend. But glad you found the cause of the issue anyhow!

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