[PATCH 1/2] drm/mediatek: add plane check in async_check function

[CK Hu]

Hi, Bibby:

On Thu, 2020-02-13 at 11:54 +0800, CK Hu wrote:
> Hi, Bibby:
> 
> On Thu, 2020-02-13 at 09:23 +0800, Bibby Hsieh wrote:
> > MTK do rotation checking and transferring in layer check function,
> > but we do not check that in atomic_check,
> > so add back in atomic_check function.
> > 
> 
> Reviewed-by: CK Hu <ck.hu at mediatek.com>
> 

Applied to mediatek-drm-fixes-5.6 [1], thanks.

[1]
https://github.com/ckhu-mediatek/linux.git-tags/commits/mediatek-drm-fixes-5.6


Regards,
CK

> > Fixes: 920fffcc8912 ("drm/mediatek: update cursors by using async atomic update")
> > 
> > Signed-off-by: Bibby Hsieh <bibby.hsieh at mediatek.com>
> > ---
> >  drivers/gpu/drm/mediatek/mtk_drm_plane.c | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> > index 189744d34f53..d32b494ff1de 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> > @@ -81,6 +81,7 @@ static int mtk_plane_atomic_async_check(struct drm_plane *plane,
> >  					struct drm_plane_state *state)
> >  {
> >  	struct drm_crtc_state *crtc_state;
> > +	int ret;
> >  
> >  	if (plane != state->crtc->cursor)
> >  		return -EINVAL;
> > @@ -91,6 +92,11 @@ static int mtk_plane_atomic_async_check(struct drm_plane *plane,
> >  	if (!plane->state->fb)
> >  		return -EINVAL;
> >  
> > +	ret = mtk_drm_crtc_plane_check(state->crtc, plane,
> > +				       to_mtk_plane_state(state));
> > +	if (ret)
> > +		return ret;
> > +
> >  	if (state->state)
> >  		crtc_state = drm_atomic_get_existing_crtc_state(state->state,
> >  								state->crtc);
>