diff mbox series

[17/18] drm/mediatek: add ovl0/ovl0_2l usecase

Message ID 1545638931-24938-18-git-send-email-yongqiang.niu@mediatek.com (mailing list archive)
State New, archived
Headers show
Series add drm support for MT8183 | expand

Commit Message

Yongqiang Niu Dec. 24, 2018, 8:08 a.m. UTC 
This patch add ovl0/ovl0_2l usecase

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 38 ++++++++++++++++++++++++++++++---
 1 file changed, 35 insertions(+), 3 deletions(-)

Comments

Nicolas Boichat Dec. 25, 2018, 4:22 a.m. UTC | #1 
On Mon, Dec 24, 2018 at 6:52 PM Yongqiang Niu
<yongqiang.niu@mediatek.com> wrote:
>
> This patch add ovl0/ovl0_2l usecase
>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 38 ++++++++++++++++++++++++++++++---
>  1 file changed, 35 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> index a5af4be..25cf063 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> @@ -283,6 +283,15 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc)
>
>         for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) {
>                 struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[i];
> +               enum mtk_ddp_comp_id prev = DDP_COMPONENT_ID_MAX;
> +
> +               if (i > 0) {
> +                       struct mtk_ddp_comp *comp_prev;
> +
> +                       comp_prev = mtk_crtc->ddp_comp[i - 1];
> +                       prev = comp_prev->id;

Just

if (i > 0)
  prev = mtk_crtc->ddp_comp[i - 1]->id;
else
  prev = DDP_COMPONENT_ID_MAX;

> +               }
> +               mtk_ddp_comp_connect(comp, prev);
>
>                 mtk_ddp_comp_config(comp, width, height, vrefresh, bpc);
>                 mtk_ddp_comp_start(comp);
> @@ -292,10 +301,19 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc)
>         for (i = 0; i < mtk_crtc->layer_nr; i++) {
>                 struct drm_plane *plane = &mtk_crtc->planes[i];
>                 struct mtk_plane_state *plane_state;
> +               struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[0];
> +               unsigned int comp_layer_nr = mtk_ddp_comp_layer_nr(comp);
> +               unsigned int local_layer = 0;

No need to init to 0.

>
>                 plane_state = to_mtk_plane_state(plane->state);
> -               mtk_ddp_comp_layer_config(mtk_crtc->ddp_comp[0], i,
> -                                         plane_state);
> +
> +               if (i >= comp_layer_nr) {
> +                       comp = mtk_crtc->ddp_comp[1];
> +                       local_layer = i - comp_layer_nr;
> +               } else {
> +                       local_layer = i;
> +               }
> +               mtk_ddp_comp_layer_config(comp, local_layer, plane_state);
>         }
>
>         return 0;
> @@ -340,6 +358,8 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc)
>         struct mtk_crtc_state *state = to_mtk_crtc_state(mtk_crtc->base.state);
>         struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[0];
>         unsigned int i;
> +       unsigned int comp_layer_nr = mtk_ddp_comp_layer_nr(comp);
> +       unsigned int local_layer = 0;

ditto, don't init to 0.

>
>         /*
>          * TODO: instead of updating the registers here, we should prepare
> @@ -362,7 +382,15 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc)
>                         plane_state = to_mtk_plane_state(plane->state);
>
>                         if (plane_state->pending.config) {
> -                               mtk_ddp_comp_layer_config(comp, i, plane_state);
> +                               if (i >= comp_layer_nr) {
> +                                       comp = mtk_crtc->ddp_comp[1];
> +                                       local_layer = i - comp_layer_nr;
> +                               } else {
> +                                       local_layer = i;
> +                               }
> +
> +                               mtk_ddp_comp_layer_config(comp, local_layer,
> +                                                         plane_state);
>                                 plane_state->pending.config = false;
>                         }
>                 }
> @@ -604,6 +632,10 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
>         }
>
>         mtk_crtc->layer_nr = mtk_ddp_comp_layer_nr(mtk_crtc->ddp_comp[0]);
> +       if (mtk_crtc->ddp_comp_nr > 1 &&
> +           mtk_ddp_comp_get_type(mtk_crtc->ddp_comp[1]->id) == MTK_DISP_OVL)
> +               mtk_crtc->layer_nr +=
> +               mtk_ddp_comp_layer_nr(mtk_crtc->ddp_comp[1]);
>         mtk_crtc->planes = devm_kcalloc(dev, mtk_crtc->layer_nr,
>                                         sizeof(struct drm_plane),
>                                         GFP_KERNEL);
> --
> 1.8.1.1.dirty
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
diff mbox series

Patch

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index a5af4be..25cf063 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -283,6 +283,15 @@  static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc)
 
 	for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) {
 		struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[i];
+		enum mtk_ddp_comp_id prev = DDP_COMPONENT_ID_MAX;
+
+		if (i > 0) {
+			struct mtk_ddp_comp *comp_prev;
+
+			comp_prev = mtk_crtc->ddp_comp[i - 1];
+			prev = comp_prev->id;
+		}
+		mtk_ddp_comp_connect(comp, prev);
 
 		mtk_ddp_comp_config(comp, width, height, vrefresh, bpc);
 		mtk_ddp_comp_start(comp);
@@ -292,10 +301,19 @@  static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc)
 	for (i = 0; i < mtk_crtc->layer_nr; i++) {
 		struct drm_plane *plane = &mtk_crtc->planes[i];
 		struct mtk_plane_state *plane_state;
+		struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[0];
+		unsigned int comp_layer_nr = mtk_ddp_comp_layer_nr(comp);
+		unsigned int local_layer = 0;
 
 		plane_state = to_mtk_plane_state(plane->state);
-		mtk_ddp_comp_layer_config(mtk_crtc->ddp_comp[0], i,
-					  plane_state);
+
+		if (i >= comp_layer_nr) {
+			comp = mtk_crtc->ddp_comp[1];
+			local_layer = i - comp_layer_nr;
+		} else {
+			local_layer = i;
+		}
+		mtk_ddp_comp_layer_config(comp, local_layer, plane_state);
 	}
 
 	return 0;
@@ -340,6 +358,8 @@  static void mtk_crtc_ddp_config(struct drm_crtc *crtc)
 	struct mtk_crtc_state *state = to_mtk_crtc_state(mtk_crtc->base.state);
 	struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[0];
 	unsigned int i;
+	unsigned int comp_layer_nr = mtk_ddp_comp_layer_nr(comp);
+	unsigned int local_layer = 0;
 
 	/*
 	 * TODO: instead of updating the registers here, we should prepare
@@ -362,7 +382,15 @@  static void mtk_crtc_ddp_config(struct drm_crtc *crtc)
 			plane_state = to_mtk_plane_state(plane->state);
 
 			if (plane_state->pending.config) {
-				mtk_ddp_comp_layer_config(comp, i, plane_state);
+				if (i >= comp_layer_nr) {
+					comp = mtk_crtc->ddp_comp[1];
+					local_layer = i - comp_layer_nr;
+				} else {
+					local_layer = i;
+				}
+
+				mtk_ddp_comp_layer_config(comp, local_layer,
+							  plane_state);
 				plane_state->pending.config = false;
 			}
 		}
@@ -604,6 +632,10 @@  int mtk_drm_crtc_create(struct drm_device *drm_dev,
 	}
 
 	mtk_crtc->layer_nr = mtk_ddp_comp_layer_nr(mtk_crtc->ddp_comp[0]);
+	if (mtk_crtc->ddp_comp_nr > 1 &&
+	    mtk_ddp_comp_get_type(mtk_crtc->ddp_comp[1]->id) == MTK_DISP_OVL)
+		mtk_crtc->layer_nr +=
+		mtk_ddp_comp_layer_nr(mtk_crtc->ddp_comp[1]);
 	mtk_crtc->planes = devm_kcalloc(dev, mtk_crtc->layer_nr,
 					sizeof(struct drm_plane),
 					GFP_KERNEL);