[Bug 204181] NULL pointer dereference regression in amdgpu

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Wed Aug 21 15:27:00 UTC 2019


Alex Deucher (alexdeucher at gmail.com) changed:

           What    |Removed                     |Added
                 CC|                            |alexdeucher at gmail.com

--- Comment #37 from Alex Deucher (alexdeucher at gmail.com) ---
(In reply to Sergey Kondakov from comment #34)
> By the way, is there any disadvantage in forcing TearFree to be always on
> when it works ? Like additional frame of latency or something like that ?

The TearFree option is there to deal with compositors that do not support sync
to vblank.  The ddx allocates another front buffer and then that buffer is
updated synchronized with vblank with the data from the real front buffer.  So
it uses an additional buffer.

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