From 4fa45b04a47d6cb91add07797a683e51f88bff68 Mon Sep 17 00:00:00 2001 From: Jernej Skrabec Date: Tue, 4 Nov 2025 19:09:27 +0100 Subject: [PATCH] drm/sun4i: layer: move num of planes calc out of layer code With DE33, number of planes no longer depends on mixer because layers are shared between all mixers. Get this value via parameter, so DE specific code can fill in proper value. Reviewed-by: Chen-Yu Tsai Tested-by: Ryan Walklin Signed-off-by: Jernej Skrabec Link: https://patch.msgid.link/20251104180942.61538-16-jernej.skrabec@gmail.com Signed-off-by: Chen-Yu Tsai --- drivers/gpu/drm/sun4i/sun8i_mixer.c | 10 +++++----- drivers/gpu/drm/sun4i/sun8i_ui_layer.c | 6 ++---- drivers/gpu/drm/sun4i/sun8i_ui_layer.h | 3 ++- drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 7 +++---- drivers/gpu/drm/sun4i/sun8i_vi_layer.h | 3 ++- 5 files changed, 14 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c index e15c59e0c52b3..6cd91595abf2d 100644 --- a/drivers/gpu/drm/sun4i/sun8i_mixer.c +++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c @@ -316,12 +316,11 @@ static struct drm_plane **sun8i_layers_init(struct drm_device *drm, { struct drm_plane **planes; struct sun8i_mixer *mixer = engine_to_sun8i_mixer(engine); + int plane_cnt = mixer->cfg->ui_num + mixer->cfg->vi_num; enum drm_plane_type type; int i; - planes = devm_kcalloc(drm->dev, - mixer->cfg->vi_num + mixer->cfg->ui_num + 1, - sizeof(*planes), GFP_KERNEL); + planes = devm_kcalloc(drm->dev, plane_cnt, sizeof(*planes), GFP_KERNEL); if (!planes) return ERR_PTR(-ENOMEM); @@ -333,7 +332,7 @@ static struct drm_plane **sun8i_layers_init(struct drm_device *drm, else type = DRM_PLANE_TYPE_OVERLAY; - layer = sun8i_vi_layer_init_one(drm, mixer, type, i); + layer = sun8i_vi_layer_init_one(drm, mixer, type, i, plane_cnt); if (IS_ERR(layer)) { dev_err(drm->dev, "Couldn't initialize overlay plane\n"); @@ -352,7 +351,8 @@ static struct drm_plane **sun8i_layers_init(struct drm_device *drm, else type = DRM_PLANE_TYPE_OVERLAY; - layer = sun8i_ui_layer_init_one(drm, mixer, type, index); + layer = sun8i_ui_layer_init_one(drm, mixer, type, index, + plane_cnt); if (IS_ERR(layer)) { dev_err(drm->dev, "Couldn't initialize %s plane\n", i ? "overlay" : "primary"); diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c index 67a59a4775421..e5f73060e3f1c 100644 --- a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c +++ b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c @@ -268,10 +268,10 @@ static const uint64_t sun8i_layer_modifiers[] = { struct sun8i_layer *sun8i_ui_layer_init_one(struct drm_device *drm, struct sun8i_mixer *mixer, enum drm_plane_type type, - int index) + int index, + int plane_cnt) { struct sun8i_layer *layer; - unsigned int plane_cnt; int ret; layer = devm_kzalloc(drm->dev, sizeof(*layer), GFP_KERNEL); @@ -294,8 +294,6 @@ struct sun8i_layer *sun8i_ui_layer_init_one(struct drm_device *drm, return ERR_PTR(ret); } - plane_cnt = mixer->cfg->ui_num + mixer->cfg->vi_num; - ret = drm_plane_create_alpha_property(&layer->plane); if (ret) { dev_err(drm->dev, "Couldn't add alpha property\n"); diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_layer.h b/drivers/gpu/drm/sun4i/sun8i_ui_layer.h index 7745aec32d767..0613b34d36e0d 100644 --- a/drivers/gpu/drm/sun4i/sun8i_ui_layer.h +++ b/drivers/gpu/drm/sun4i/sun8i_ui_layer.h @@ -52,5 +52,6 @@ struct sun8i_layer; struct sun8i_layer *sun8i_ui_layer_init_one(struct drm_device *drm, struct sun8i_mixer *mixer, enum drm_plane_type type, - int index); + int index, + int plane_cnt); #endif /* _SUN8I_UI_LAYER_H_ */ diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c index 118b7e33bddb0..fdb9320a71e53 100644 --- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c +++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c @@ -413,10 +413,11 @@ static const uint64_t sun8i_layer_modifiers[] = { struct sun8i_layer *sun8i_vi_layer_init_one(struct drm_device *drm, struct sun8i_mixer *mixer, enum drm_plane_type type, - int index) + int index, + int plane_cnt) { u32 supported_encodings, supported_ranges; - unsigned int plane_cnt, format_count; + unsigned int format_count; struct sun8i_layer *layer; const u32 *formats; int ret; @@ -449,8 +450,6 @@ struct sun8i_layer *sun8i_vi_layer_init_one(struct drm_device *drm, return ERR_PTR(ret); } - plane_cnt = mixer->cfg->ui_num + mixer->cfg->vi_num; - if (mixer->cfg->vi_num == 1 || mixer->cfg->de_type >= SUN8I_MIXER_DE3) { ret = drm_plane_create_alpha_property(&layer->plane); if (ret) { diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.h b/drivers/gpu/drm/sun4i/sun8i_vi_layer.h index fc22b9a6bd8d3..a568e1db1e195 100644 --- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.h +++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.h @@ -57,5 +57,6 @@ struct sun8i_layer; struct sun8i_layer *sun8i_vi_layer_init_one(struct drm_device *drm, struct sun8i_mixer *mixer, enum drm_plane_type type, - int index); + int index, + int plane_cnt); #endif /* _SUN8I_VI_LAYER_H_ */ -- 2.47.3