[PATCH v9 4/7] drm/mediatek: Add encoder_index function to mtk_ddp_comp_funcs for dpi

[Jason-JH Lin (林睿祥)]

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Hi CK,

Thanks for the reviews.

On Mon, 2023-09-18 at 07:18 +0000, CK Hu (胡俊光) wrote:
> Hi, Jason:
> 
> On Thu, 2023-08-10 at 02:15 +0800, Jason-JH.Lin wrote:
> > To support dynamic connector selection function, each ddp_comp need
> > to
> > get their encoder_index to identify which connector should be
> > selected.
> > 
> > Add encoder_index function to mtk_ddp_comp_funcs and the
> > implementation
> > of mtk_dpi_encoder_index to get its encoder_index.
> 
> Separate the common part and dpi part to different patch.
> 

OK, I'll separate the common part at the next version.

> Regards,
> CK
> 
> > 
> > Signed-off-by: Jason-JH.Lin <jason-jh.lin at mediatek.com>
> > ---
> >  drivers/gpu/drm/mediatek/mtk_disp_drv.h     | 1 +
> >  drivers/gpu/drm/mediatek/mtk_dpi.c          | 9 +++++++++
> >  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 1 +
> >  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 1 +
> >  4 files changed, 12 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> > b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> > index 2254038519e1..5f07037670e9 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> > +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> > @@ -44,6 +44,7 @@ void mtk_dither_set_common(void __iomem *regs,
> > struct cmdq_client_reg *cmdq_reg,
> >  
> >  void mtk_dpi_start(struct device *dev);
> >  void mtk_dpi_stop(struct device *dev);
> > +unsigned int mtk_dpi_encoder_index(struct device *dev);
> >  
> >  void mtk_dsi_ddp_start(struct device *dev);
> >  void mtk_dsi_ddp_stop(struct device *dev);
> > diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
> > b/drivers/gpu/drm/mediatek/mtk_dpi.c
> > index 948a53f1f4b3..3d6b3c228f30 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> > @@ -782,6 +782,15 @@ void mtk_dpi_stop(struct device *dev)
> >  	mtk_dpi_power_off(dpi);
> >  }
> >  
> > +unsigned int mtk_dpi_encoder_index(struct device *dev)
> > +{
> > +	struct mtk_dpi *dpi = dev_get_drvdata(dev);
> > +	unsigned int encoder_index = drm_encoder_index(&dpi->encoder);
> > +
> > +	dev_dbg(dev, "encoder index:%d\n", encoder_index);
> > +	return encoder_index;
> > +}
> > +
> >  static int mtk_dpi_bind(struct device *dev, struct device *master,
> > void *data)
> >  {
> >  	struct mtk_dpi *dpi = dev_get_drvdata(dev);
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> > b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> > index f114da4d36a9..effaaa769b46 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> > @@ -304,6 +304,7 @@ static const struct mtk_ddp_comp_funcs
> > ddp_dither
> > = {
> >  static const struct mtk_ddp_comp_funcs ddp_dpi = {
> >  	.start = mtk_dpi_start,
> >  	.stop = mtk_dpi_stop,
> > +	.encoder_index = mtk_dpi_encoder_index,
> >  };
> >  
> >  static const struct mtk_ddp_comp_funcs ddp_dsc = {
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> > b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> > index febcaeef16a1..326cb57a18c9 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> > @@ -80,6 +80,7 @@ struct mtk_ddp_comp_funcs {
> >  	void (*disconnect)(struct device *dev, struct device
> > *mmsys_dev, unsigned int next);
> >  	void (*add)(struct device *dev, struct mtk_mutex *mutex);
> >  	void (*remove)(struct device *dev, struct mtk_mutex *mutex);
> > +	unsigned int (*encoder_index)(struct device *dev);
> >  };
> >  
> >  struct mtk_ddp_comp {