diff mbox series

[v3,09/14] drm/sun4i: Allow VI layers to be primary planes

Message ID 20220424162633.12369-10-samuel@sholland.org
State Accepted
Commit c3779dab242f09c0a50753e32028d56070bf6f2f
Headers show
Series drm/sun4i: Allwinner D1 Display Engine 2.0 Support | expand

Commit Message

Samuel Holland April 24, 2022, 4:26 p.m. UTC
D1's mixer 1 has no UI layers, only a single VI layer. That means the
mixer can only be used if the primary plane comes from this VI layer.
Add the code to handle this case.

Signed-off-by: Samuel Holland <samuel@sholland.org>
---

(no changes since v2)

Changes in v2:
 - Use Jernej's patches for mixer mode setting.

 drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Comments

Jernej Škrabec April 24, 2022, 8:01 p.m. UTC | #1
Dne nedelja, 24. april 2022 ob 18:26:27 CEST je Samuel Holland napisal(a):
> D1's mixer 1 has no UI layers, only a single VI layer. That means the
> mixer can only be used if the primary plane comes from this VI layer.
> Add the code to handle this case.
> 
> Signed-off-by: Samuel Holland <samuel@sholland.org>

Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>

Best regards,
Jernej Skrabec

> ---
> 
> (no changes since v2)
> 
> Changes in v2:
>  - Use Jernej's patches for mixer mode setting.
> 
>  drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/
sun8i_vi_layer.c
> index bb7c43036dfa..f7d0b082d634 100644
> --- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
> +++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
> @@ -542,6 +542,7 @@ struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct 
drm_device *drm,
>  					       struct 
sun8i_mixer *mixer,
>  					       int index)
>  {
> +	enum drm_plane_type type = DRM_PLANE_TYPE_OVERLAY;
>  	u32 supported_encodings, supported_ranges;
>  	unsigned int plane_cnt, format_count;
>  	struct sun8i_vi_layer *layer;
> @@ -560,12 +561,15 @@ struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct 
drm_device *drm,
>  		format_count = ARRAY_SIZE(sun8i_vi_layer_formats);
>  	}
>  
> +	if (!mixer->cfg->ui_num && index == 0)
> +		type = DRM_PLANE_TYPE_PRIMARY;
> +
>  	/* possible crtcs are set later */
>  	ret = drm_universal_plane_init(drm, &layer->plane, 0,
>  				       &sun8i_vi_layer_funcs,
>  				       formats, format_count,
>  				       sun8i_layer_modifiers,
> -				       DRM_PLANE_TYPE_OVERLAY, 
NULL);
> +				       type, NULL);
>  	if (ret) {
>  		dev_err(drm->dev, "Couldn't initialize layer\n");
>  		return ERR_PTR(ret);
> -- 
> 2.35.1
> 
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
index bb7c43036dfa..f7d0b082d634 100644
--- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
@@ -542,6 +542,7 @@  struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm,
 					       struct sun8i_mixer *mixer,
 					       int index)
 {
+	enum drm_plane_type type = DRM_PLANE_TYPE_OVERLAY;
 	u32 supported_encodings, supported_ranges;
 	unsigned int plane_cnt, format_count;
 	struct sun8i_vi_layer *layer;
@@ -560,12 +561,15 @@  struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm,
 		format_count = ARRAY_SIZE(sun8i_vi_layer_formats);
 	}
 
+	if (!mixer->cfg->ui_num && index == 0)
+		type = DRM_PLANE_TYPE_PRIMARY;
+
 	/* possible crtcs are set later */
 	ret = drm_universal_plane_init(drm, &layer->plane, 0,
 				       &sun8i_vi_layer_funcs,
 				       formats, format_count,
 				       sun8i_layer_modifiers,
-				       DRM_PLANE_TYPE_OVERLAY, NULL);
+				       type, NULL);
 	if (ret) {
 		dev_err(drm->dev, "Couldn't initialize layer\n");
 		return ERR_PTR(ret);