[PATCH 0/3] R-Car DU: Clip planes to screen boundaries

[Kieran Bingham]

Hi Laurent,

Thankyou for the patches,

On 16/08/17 00:03, Laurent Pinchart wrote:
> Hello,
> 
> This patch series fixes support for planes that cross the screen boundaries.
> The KMS API supports such a configuration, but the DU and VSP hardware
> doesn't. This leads to different kind of dispay artifacts or hangs.
> 
> The series starts with a bit of refactoring to share existing code and make it
> easier to share new code (1/3). Patch 2/3 then reject planes that are fully
> off-screen as they don't work properly and we have currently no use case for
> them. Finally, patch 3/3 clips planes to screen boundaries to fix the main
> issue.
> 
> The patches are based on top of Dave's latest master branch.

Series tested and verified on Salvator-X ES1.0 using the KMS Test suite,
including suspend/resume, in combination with the "v4l: vsp1: Start and stop DRM
pipeline independently of planes" patch.

Tested-by: Kieran Bingham <kieran.bingham+renesas at ideasonboard.com>

> Laurent Pinchart (3):
>   drm: rcar-du: Share plane atomic check code between Gen2 and Gen3
>   drm: rcar-du: Reject planes located fully off-screen
>   drm: rcar-du: Clip planes to screen boundaries
> 
>  drivers/gpu/drm/rcar-du/rcar_du_plane.c | 109 ++++++++++++++++++++++++--------
>  drivers/gpu/drm/rcar-du/rcar_du_plane.h |   8 +++
>  drivers/gpu/drm/rcar-du/rcar_du_vsp.c   |  43 ++++---------
>  3 files changed, 105 insertions(+), 55 deletions(-)
>