[PATCH 0/5] drm/sti: do not sync legacy IOCTL on vblank if not ATOMIC

[Daniel Vetter]

On Tue, Jan 03, 2017 at 05:56:47PM +0100, Fabien Dessenne wrote:
> These patches allow a legacy framework (eg non-atomic Weston) to call
> several SETPLANE within the same Vsync cycle.
> - [PATCH 1/5] drm/sti: use atomic_helper for commit
> - [PATCH 2/5] drm/sti: add drm_file to sti_private
> - [PATCH 3/5] drm/sti: do not sync SETPLANE on vblank if not ATOMIC
> - [PATCH 4/5] drm/sti: do not sync SETPROPERTY on vblank if not ATOMIC
> - [PATCH 5/5] drm/sti: do not check hw scaling if mode is not set

Upstream weston never really enabled plane support, why exactly do you
need this? Also, if this really is required, I think we should implement
something like this (aka async plane flips) in general for everyone. sti
is by far not the only driver playing around with these games.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch