[PATCH] drm/mediatek: Find the cursor plane instead of hard coding it

[CK Hu]

Hi, Evan:

On Fri, 2020-02-07 at 16:34 +0800, CK Hu wrote:
> Hi, Evan:
> 
> On Fri, 2020-02-07 at 15:23 +1100, Evan Benn wrote:
> > The cursor and primary planes were hard coded.
> > Now search for them for passing to drm_crtc_init_with_planes
> > 
> 
> 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

> 
> > Signed-off-by: Evan Benn <evanbenn at chromium.org>
> > ---
> > 
> >  drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 18 ++++++++++++------
> >  1 file changed, 12 insertions(+), 6 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> > index 7b392d6c71cc..935652990afa 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> > @@ -658,10 +658,18 @@ static const struct drm_crtc_helper_funcs mtk_crtc_helper_funcs = {
> >  
> >  static int mtk_drm_crtc_init(struct drm_device *drm,
> >  			     struct mtk_drm_crtc *mtk_crtc,
> > -			     struct drm_plane *primary,
> > -			     struct drm_plane *cursor, unsigned int pipe)
> > +			     unsigned int pipe)
> >  {
> > -	int ret;
> > +	struct drm_plane *primary = NULL;
> > +	struct drm_plane *cursor = NULL;
> > +	int i, ret;
> > +
> > +	for (i = 0; i < mtk_crtc->layer_nr; i++) {
> > +		if (mtk_crtc->planes[i].type == DRM_PLANE_TYPE_PRIMARY)
> > +			primary = &mtk_crtc->planes[i];
> > +		else if (mtk_crtc->planes[i].type == DRM_PLANE_TYPE_CURSOR)
> > +			cursor = &mtk_crtc->planes[i];
> > +	}
> >  
> >  	ret = drm_crtc_init_with_planes(drm, &mtk_crtc->base, primary, cursor,
> >  					&mtk_crtc_funcs, NULL);
> > @@ -830,9 +838,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
> >  			return ret;
> >  	}
> >  
> > -	ret = mtk_drm_crtc_init(drm_dev, mtk_crtc, &mtk_crtc->planes[0],
> > -				mtk_crtc->layer_nr > 1 ? &mtk_crtc->planes[1] :
> > -				NULL, pipe);
> > +	ret = mtk_drm_crtc_init(drm_dev, mtk_crtc, pipe);
> >  	if (ret < 0)
> >  		return ret;
> >  
>