On Sat, Aug 27, 2016 at 01:02:28AM +0200, Mario Kleiner wrote:
> Due to assigning the 'replaced' value instead of or'ing it,
> if drm_atomic_crtc_set_property() gets called multiple times,
> the last call will define the color_mgmt_changed flag, so
> a non-updating call to a property can reset the flag and
> prevent actual hw state updates required by preceding
> property updates.
>
> Signed-off-by: Mario Kleiner <mario.kleiner.de@xxxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # v4.6+
Fixes: 5488dc16fde7 ("drm: introduce pipe color correction properties")
Oops. I wonder why we didn't catch this in testcases ...
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
Dave, can you pls pick this up?
Thanks, Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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