[Intel-gfx] [PATCH v2 02/20] drm: Don't update plane properties for atomic planes if it stays the same

[Maarten Lankhorst]

Op 07-07-15 om 11:18 schreef Daniel Vetter:
> On Tue, Jul 07, 2015 at 09:08:13AM +0200, Maarten Lankhorst wrote:
>> This allows the first atomic call during hw init to be a real modeset,
>> which is useful for forcing a recalculation.
> fbcon is optional, you can't rely on anything being done in any specific
> way. What exactly do you need this for, what's the implications?
In the hw readout I noticed some warnings when I wasn't setting any mode 
property in the readout.
I want the first function to be the modeset, so we have a sane base to commit 
changes on.
Ideally this whole function would have a atomic counterpart which does it in 
one go. :)