[Intel-gfx] [PATCH 1/3] drm/i915/skl: Allow universal planes to position

[Daniel Vetter]

On Mon, Mar 09, 2015 at 08:33:27AM +0530, sonika wrote:
> 
> On Thursday 05 March 2015 06:24 PM, Daniel Vetter wrote:
> >On Thu, Mar 05, 2015 at 02:51:26PM +0530, Sonika Jindal wrote:
> >>Signed-off-by: Sonika Jindal <sonika.jindal at intel.com>
> >Imo this needs a little more commit message, and more important it needs
> >igt test coverage. Best approach there is probably to take the plane test
> >we have already and extend it to the primary plane.
> >-Daniel
> This is just to take care of the case when the size of the fb is smaller
> than the crtc.
> I have extended the rotation test (yet to be posted), to create a smaller
> primary plane fb to be used for 90/270 rotation.
> 
> Since we still set position to 0 for primary plane, I did not add any test
> case for positioning of primary plane.
> That can be added as a separate activity when positioning support is added.
> Right now this is just to allow smaller fb for primary plane which is
> possible with universal planes gen >=9.

Through universal planes it's already possible to position any plane
anywhere, and this code is all that makes sure this doesn't happen for the
primary plane. Since you've just changed that I think this needs a
testcase in igt.

Or maybe I missed something and it's indeed not yet possible to do this?
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch