[PATCH v3 0/2] drm/mediatek: Add ovl_adaptor get format function

[PATCH v3 0/2] drm/mediatek: Add ovl_adaptor get format function

[Nancy.Lin]

Add ovl_adaptor get_format and get_num_formats component function.
The two functions are needed for getting the supported format in
mtk_plane_init().

Changes in v3:
 - modify for reviewer's comment in v2.
   - add mdp-rdma get supported format api for ovl_adaptor driver.

Changes in v2:
 - remove change id

Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com>

This series are based on the following patch:
[1] [v8,1/3] drm/mediatek: Refactor pixel format logic
  - 20230309210416.1167020-2-greenjustin@chromium.org

Nancy.Lin (2):
  drm/mediatek: Add mdp_rdma get format function
  drm/mediatek: Add ovl_adaptor get format function

 drivers/gpu/drm/mediatek/mtk_disp_drv.h       |  5 ++++
 .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c   | 14 +++++++++++
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c   |  2 ++
 drivers/gpu/drm/mediatek/mtk_mdp_rdma.c       | 24 +++++++++++++++++++
 4 files changed, 45 insertions(+)

-- 
2.18.0


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[PATCH v3 1/2] drm/mediatek: Add mdp_rdma get format function

[Nancy.Lin]

Add mdp_rdma get_format and get_num_formats function.

Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_disp_drv.h |  3 +++
 drivers/gpu/drm/mediatek/mtk_mdp_rdma.c | 24 ++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
index 0d28b2e2069c..17b169530beb 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
+++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
@@ -152,4 +152,7 @@ void mtk_mdp_rdma_start(struct device *dev, struct cmdq_pkt *cmdq_pkt);
 void mtk_mdp_rdma_stop(struct device *dev, struct cmdq_pkt *cmdq_pkt);
 void mtk_mdp_rdma_config(struct device *dev, struct mtk_mdp_rdma_cfg *cfg,
 			 struct cmdq_pkt *cmdq_pkt);
+const u32 *mtk_mdp_rdma_get_formats(struct device *dev);
+size_t mtk_mdp_rdma_get_num_formats(struct device *dev);
+
 #endif
diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
index eecfa98ff52e..e06db6e56b5f 100644
--- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
@@ -62,6 +62,20 @@
 #define RDMA_CSC_FULL709_TO_RGB			5
 #define RDMA_CSC_BT601_TO_RGB			6
 
+static const u32 formats[] = {
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_BGRX8888,
+	DRM_FORMAT_BGRA8888,
+	DRM_FORMAT_ABGR8888,
+	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_RGB888,
+	DRM_FORMAT_BGR888,
+	DRM_FORMAT_RGB565,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_YUYV,
+};
+
 enum rdma_format {
 	RDMA_INPUT_FORMAT_RGB565 = 0,
 	RDMA_INPUT_FORMAT_RGB888 = 1,
@@ -219,6 +233,16 @@ void mtk_mdp_rdma_config(struct device *dev, struct mtk_mdp_rdma_cfg *cfg,
 			   MDP_RDMA_MF_CLIP_SIZE, FLD_MF_CLIP_H);
 }
 
+const u32 *mtk_mdp_rdma_get_formats(struct device *dev)
+{
+	return formats;
+}
+
+size_t mtk_mdp_rdma_get_num_formats(struct device *dev)
+{
+	return ARRAY_SIZE(formats);
+}
+
 int mtk_mdp_rdma_clk_enable(struct device *dev)
 {
 	struct mtk_mdp_rdma *rdma = dev_get_drvdata(dev);
-- 
2.18.0


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Re: [PATCH v3 1/2] drm/mediatek: Add mdp_rdma get format function

[Chun-Kuang Hu]

Hi, Nancy:

Nancy.Lin <nancy.lin@mediatek.com> 於 2023年3月30日 週四 上午11:26寫道：
>
> Add mdp_rdma get_format and get_num_formats function.

For the series, applied to mediatek-drm-next [1], thanks.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next

Regards,
Chun-Kuang.

>
> Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_disp_drv.h |  3 +++
>  drivers/gpu/drm/mediatek/mtk_mdp_rdma.c | 24 ++++++++++++++++++++++++
>  2 files changed, 27 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> index 0d28b2e2069c..17b169530beb 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> @@ -152,4 +152,7 @@ void mtk_mdp_rdma_start(struct device *dev, struct cmdq_pkt *cmdq_pkt);
>  void mtk_mdp_rdma_stop(struct device *dev, struct cmdq_pkt *cmdq_pkt);
>  void mtk_mdp_rdma_config(struct device *dev, struct mtk_mdp_rdma_cfg *cfg,
>                          struct cmdq_pkt *cmdq_pkt);
> +const u32 *mtk_mdp_rdma_get_formats(struct device *dev);
> +size_t mtk_mdp_rdma_get_num_formats(struct device *dev);
> +
>  #endif
> diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> index eecfa98ff52e..e06db6e56b5f 100644
> --- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> +++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> @@ -62,6 +62,20 @@
>  #define RDMA_CSC_FULL709_TO_RGB                        5
>  #define RDMA_CSC_BT601_TO_RGB                  6
>
> +static const u32 formats[] = {
> +       DRM_FORMAT_XRGB8888,
> +       DRM_FORMAT_ARGB8888,
> +       DRM_FORMAT_BGRX8888,
> +       DRM_FORMAT_BGRA8888,
> +       DRM_FORMAT_ABGR8888,
> +       DRM_FORMAT_XBGR8888,
> +       DRM_FORMAT_RGB888,
> +       DRM_FORMAT_BGR888,
> +       DRM_FORMAT_RGB565,
> +       DRM_FORMAT_UYVY,
> +       DRM_FORMAT_YUYV,
> +};
> +
>  enum rdma_format {
>         RDMA_INPUT_FORMAT_RGB565 = 0,
>         RDMA_INPUT_FORMAT_RGB888 = 1,
> @@ -219,6 +233,16 @@ void mtk_mdp_rdma_config(struct device *dev, struct mtk_mdp_rdma_cfg *cfg,
>                            MDP_RDMA_MF_CLIP_SIZE, FLD_MF_CLIP_H);
>  }
>
> +const u32 *mtk_mdp_rdma_get_formats(struct device *dev)
> +{
> +       return formats;
> +}
> +
> +size_t mtk_mdp_rdma_get_num_formats(struct device *dev)
> +{
> +       return ARRAY_SIZE(formats);
> +}
> +
>  int mtk_mdp_rdma_clk_enable(struct device *dev)
>  {
>         struct mtk_mdp_rdma *rdma = dev_get_drvdata(dev);
> --
> 2.18.0
>

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Re: [PATCH v3 1/2] drm/mediatek: Add mdp_rdma get format function

[Daniel Vetter]

On Thu, Mar 30, 2023 at 11:26:13AM +0800, Nancy.Lin wrote:
> Add mdp_rdma get_format and get_num_formats function.
> 
> Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com>

The mtk get_formats stuff seems like a lot of midlayering for not much
reasons? Is that really needed?

Just a drive-by questions I had while merging the pr.
-Daniel

> ---
>  drivers/gpu/drm/mediatek/mtk_disp_drv.h |  3 +++
>  drivers/gpu/drm/mediatek/mtk_mdp_rdma.c | 24 ++++++++++++++++++++++++
>  2 files changed, 27 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> index 0d28b2e2069c..17b169530beb 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> @@ -152,4 +152,7 @@ void mtk_mdp_rdma_start(struct device *dev, struct cmdq_pkt *cmdq_pkt);
>  void mtk_mdp_rdma_stop(struct device *dev, struct cmdq_pkt *cmdq_pkt);
>  void mtk_mdp_rdma_config(struct device *dev, struct mtk_mdp_rdma_cfg *cfg,
>  			 struct cmdq_pkt *cmdq_pkt);
> +const u32 *mtk_mdp_rdma_get_formats(struct device *dev);
> +size_t mtk_mdp_rdma_get_num_formats(struct device *dev);
> +
>  #endif
> diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> index eecfa98ff52e..e06db6e56b5f 100644
> --- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> +++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> @@ -62,6 +62,20 @@
>  #define RDMA_CSC_FULL709_TO_RGB			5
>  #define RDMA_CSC_BT601_TO_RGB			6
>  
> +static const u32 formats[] = {
> +	DRM_FORMAT_XRGB8888,
> +	DRM_FORMAT_ARGB8888,
> +	DRM_FORMAT_BGRX8888,
> +	DRM_FORMAT_BGRA8888,
> +	DRM_FORMAT_ABGR8888,
> +	DRM_FORMAT_XBGR8888,
> +	DRM_FORMAT_RGB888,
> +	DRM_FORMAT_BGR888,
> +	DRM_FORMAT_RGB565,
> +	DRM_FORMAT_UYVY,
> +	DRM_FORMAT_YUYV,
> +};
> +
>  enum rdma_format {
>  	RDMA_INPUT_FORMAT_RGB565 = 0,
>  	RDMA_INPUT_FORMAT_RGB888 = 1,
> @@ -219,6 +233,16 @@ void mtk_mdp_rdma_config(struct device *dev, struct mtk_mdp_rdma_cfg *cfg,
>  			   MDP_RDMA_MF_CLIP_SIZE, FLD_MF_CLIP_H);
>  }
>  
> +const u32 *mtk_mdp_rdma_get_formats(struct device *dev)
> +{
> +	return formats;
> +}
> +
> +size_t mtk_mdp_rdma_get_num_formats(struct device *dev)
> +{
> +	return ARRAY_SIZE(formats);
> +}
> +
>  int mtk_mdp_rdma_clk_enable(struct device *dev)
>  {
>  	struct mtk_mdp_rdma *rdma = dev_get_drvdata(dev);
> -- 
> 2.18.0
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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Re: [PATCH v3 1/2] drm/mediatek: Add mdp_rdma get format function

[Chun-Kuang Hu]

Hi, Daniel:

Daniel Vetter <daniel@ffwll.ch> 於 2023年4月11日 週二 下午6:32寫道：
>
> On Thu, Mar 30, 2023 at 11:26:13AM +0800, Nancy.Lin wrote:
> > Add mdp_rdma get_format and get_num_formats function.
> >
> > Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com>
>
> The mtk get_formats stuff seems like a lot of midlayering for not much
> reasons? Is that really needed?

In general, mediatek crtc directly control dma device such as OVL
(multiple plane), RDMA (single plane) and supported format information
store in these sub driver. MT8195 hardware use 4 RDMA to work like
OVL. To simplify the crtc control of dma device, we use a midlayer
OVL_Adaptor to control the 4 RDMA, so crtc just control one
OVL_Adaptor. crtc should query supported format from OVL_Adaptor, but
the supported format store in RDMA driver. That's why we have two
layer get_formats.

Regards,
Chun-Kuang.

>
> Just a drive-by questions I had while merging the pr.
> -Daniel
>
> > ---
> >  drivers/gpu/drm/mediatek/mtk_disp_drv.h |  3 +++
> >  drivers/gpu/drm/mediatek/mtk_mdp_rdma.c | 24 ++++++++++++++++++++++++
> >  2 files changed, 27 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> > index 0d28b2e2069c..17b169530beb 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> > +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> > @@ -152,4 +152,7 @@ void mtk_mdp_rdma_start(struct device *dev, struct cmdq_pkt *cmdq_pkt);
> >  void mtk_mdp_rdma_stop(struct device *dev, struct cmdq_pkt *cmdq_pkt);
> >  void mtk_mdp_rdma_config(struct device *dev, struct mtk_mdp_rdma_cfg *cfg,
> >                        struct cmdq_pkt *cmdq_pkt);
> > +const u32 *mtk_mdp_rdma_get_formats(struct device *dev);
> > +size_t mtk_mdp_rdma_get_num_formats(struct device *dev);
> > +
> >  #endif
> > diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> > index eecfa98ff52e..e06db6e56b5f 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> > @@ -62,6 +62,20 @@
> >  #define RDMA_CSC_FULL709_TO_RGB                      5
> >  #define RDMA_CSC_BT601_TO_RGB                        6
> >
> > +static const u32 formats[] = {
> > +     DRM_FORMAT_XRGB8888,
> > +     DRM_FORMAT_ARGB8888,
> > +     DRM_FORMAT_BGRX8888,
> > +     DRM_FORMAT_BGRA8888,
> > +     DRM_FORMAT_ABGR8888,
> > +     DRM_FORMAT_XBGR8888,
> > +     DRM_FORMAT_RGB888,
> > +     DRM_FORMAT_BGR888,
> > +     DRM_FORMAT_RGB565,
> > +     DRM_FORMAT_UYVY,
> > +     DRM_FORMAT_YUYV,
> > +};
> > +
> >  enum rdma_format {
> >       RDMA_INPUT_FORMAT_RGB565 = 0,
> >       RDMA_INPUT_FORMAT_RGB888 = 1,
> > @@ -219,6 +233,16 @@ void mtk_mdp_rdma_config(struct device *dev, struct mtk_mdp_rdma_cfg *cfg,
> >                          MDP_RDMA_MF_CLIP_SIZE, FLD_MF_CLIP_H);
> >  }
> >
> > +const u32 *mtk_mdp_rdma_get_formats(struct device *dev)
> > +{
> > +     return formats;
> > +}
> > +
> > +size_t mtk_mdp_rdma_get_num_formats(struct device *dev)
> > +{
> > +     return ARRAY_SIZE(formats);
> > +}
> > +
> >  int mtk_mdp_rdma_clk_enable(struct device *dev)
> >  {
> >       struct mtk_mdp_rdma *rdma = dev_get_drvdata(dev);
> > --
> > 2.18.0
> >
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch

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[PATCH v3 2/2] drm/mediatek: Add ovl_adaptor get format function

[Nancy.Lin]

1. Add ovl_adaptor get_format and get_num_formats component function.
The two functions are needed for getting the supported format in
mtk_plane_init().
2. Get supported format from the ovl_adaptor's rdma engine - mdp_rdma.

Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_disp_drv.h         |  2 ++
 drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 14 ++++++++++++++
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c     |  2 ++
 3 files changed, 18 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
index 17b169530beb..2254038519e1 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
+++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
@@ -124,6 +124,8 @@ void mtk_ovl_adaptor_start(struct device *dev);
 void mtk_ovl_adaptor_stop(struct device *dev);
 unsigned int mtk_ovl_adaptor_layer_nr(struct device *dev);
 struct device *mtk_ovl_adaptor_dma_dev_get(struct device *dev);
+const u32 *mtk_ovl_adaptor_get_formats(struct device *dev);
+size_t mtk_ovl_adaptor_get_num_formats(struct device *dev);
 
 void mtk_rdma_bypass_shadow(struct device *dev);
 int mtk_rdma_clk_enable(struct device *dev);
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
index 046217828ab3..c0a38f5217ee 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
@@ -297,6 +297,20 @@ void mtk_ovl_adaptor_disable_vblank(struct device *dev)
 	mtk_ethdr_disable_vblank(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]);
 }
 
+const u32 *mtk_ovl_adaptor_get_formats(struct device *dev)
+{
+	struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
+
+	return mtk_mdp_rdma_get_formats(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_MDP_RDMA0]);
+}
+
+size_t mtk_ovl_adaptor_get_num_formats(struct device *dev)
+{
+	struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
+
+	return mtk_mdp_rdma_get_num_formats(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_MDP_RDMA0]);
+}
+
 void mtk_ovl_adaptor_add_comp(struct device *dev, struct mtk_mutex *mutex)
 {
 	mtk_mutex_add_comp(mutex, DDP_COMPONENT_MDP_RDMA0);
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index 1a0c4f7e352a..f114da4d36a9 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -410,6 +410,8 @@ static const struct mtk_ddp_comp_funcs ddp_ovl_adaptor = {
 	.disconnect = mtk_ovl_adaptor_disconnect,
 	.add = mtk_ovl_adaptor_add_comp,
 	.remove = mtk_ovl_adaptor_remove_comp,
+	.get_formats = mtk_ovl_adaptor_get_formats,
+	.get_num_formats = mtk_ovl_adaptor_get_num_formats,
 };
 
 static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = {
-- 
2.18.0


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