1 files changed, 8 insertions, 77 deletions

diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
index ca75ca0835a6..b90e5edef4e8 100644
--- a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
@@ -24,55 +24,6 @@
 #include "sun8i_ui_layer.h"
 #include "sun8i_ui_scaler.h"
 
-static void sun8i_ui_layer_enable(struct sun8i_mixer *mixer, int channel,
-				  int overlay, bool enable, unsigned int zpos,
-				  unsigned int old_zpos)
-{
-	u32 val, bld_base, ch_base;
-
-	bld_base = sun8i_blender_base(mixer);
-	ch_base = sun8i_channel_base(mixer, channel);
-
-	DRM_DEBUG_DRIVER("%sabling channel %d overlay %d\n",
-			 enable ? "En" : "Dis", channel, overlay);
-
-	if (enable)
-		val = SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN;
-	else
-		val = 0;
-
-	regmap_update_bits(mixer->engine.regs,
-			   SUN8I_MIXER_CHAN_UI_LAYER_ATTR(ch_base, overlay),
-			   SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN, val);
-
-	if (!enable || zpos != old_zpos) {
-		regmap_update_bits(mixer->engine.regs,
-				   SUN8I_MIXER_BLEND_PIPE_CTL(bld_base),
-				   SUN8I_MIXER_BLEND_PIPE_CTL_EN(old_zpos),
-				   0);
-
-		regmap_update_bits(mixer->engine.regs,
-				   SUN8I_MIXER_BLEND_ROUTE(bld_base),
-				   SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(old_zpos),
-				   0);
-	}
-
-	if (enable) {
-		val = SUN8I_MIXER_BLEND_PIPE_CTL_EN(zpos);
-
-		regmap_update_bits(mixer->engine.regs,
-				   SUN8I_MIXER_BLEND_PIPE_CTL(bld_base),
-				   val, val);
-
-		val = channel << SUN8I_MIXER_BLEND_ROUTE_PIPE_SHIFT(zpos);
-
-		regmap_update_bits(mixer->engine.regs,
-				   SUN8I_MIXER_BLEND_ROUTE(bld_base),
-				   SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(zpos),
-				   val);
-	}
-}
-
 static void sun8i_ui_layer_update_alpha(struct sun8i_mixer *mixer, int channel,
 					int overlay, struct drm_plane *plane)
 {
@@ -232,7 +183,7 @@ static int sun8i_ui_layer_atomic_check(struct drm_plane *plane,
 {
 	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
 										 plane);
-	struct sun8i_ui_layer *layer = plane_to_sun8i_ui_layer(plane);
+	struct sun8i_layer *layer = plane_to_sun8i_layer(plane);
 	struct drm_crtc *crtc = new_plane_state->crtc;
 	struct drm_crtc_state *crtc_state;
 	int min_scale, max_scale;
@@ -259,36 +210,18 @@ static int sun8i_ui_layer_atomic_check(struct drm_plane *plane,
 						   true, true);
 }
 
-static void sun8i_ui_layer_atomic_disable(struct drm_plane *plane,
-					  struct drm_atomic_state *state)
-{
-	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
-									   plane);
-	struct sun8i_ui_layer *layer = plane_to_sun8i_ui_layer(plane);
-	unsigned int old_zpos = old_state->normalized_zpos;
-	struct sun8i_mixer *mixer = layer->mixer;
-
-	sun8i_ui_layer_enable(mixer, layer->channel, layer->overlay, false, 0,
-			      old_zpos);
-}
 
 static void sun8i_ui_layer_atomic_update(struct drm_plane *plane,
 					 struct drm_atomic_state *state)
 {
-	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
-									   plane);
 	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
 									   plane);
-	struct sun8i_ui_layer *layer = plane_to_sun8i_ui_layer(plane);
+	struct sun8i_layer *layer = plane_to_sun8i_layer(plane);
 	unsigned int zpos = new_state->normalized_zpos;
-	unsigned int old_zpos = old_state->normalized_zpos;
 	struct sun8i_mixer *mixer = layer->mixer;
 
-	if (!new_state->visible) {
-		sun8i_ui_layer_enable(mixer, layer->channel,
-				      layer->overlay, false, 0, old_zpos);
+	if (!new_state->crtc || !new_state->visible)
 		return;
-	}
 
 	sun8i_ui_layer_update_coord(mixer, layer->channel,
 				    layer->overlay, plane, zpos);
@@ -298,13 +231,10 @@ static void sun8i_ui_layer_atomic_update(struct drm_plane *plane,
 				      layer->overlay, plane);
 	sun8i_ui_layer_update_buffer(mixer, layer->channel,
 				     layer->overlay, plane);
-	sun8i_ui_layer_enable(mixer, layer->channel, layer->overlay,
-			      true, zpos, old_zpos);
 }
 
 static const struct drm_plane_helper_funcs sun8i_ui_layer_helper_funcs = {
 	.atomic_check	= sun8i_ui_layer_atomic_check,
-	.atomic_disable	= sun8i_ui_layer_atomic_disable,
 	.atomic_update	= sun8i_ui_layer_atomic_update,
 };
 
@@ -345,13 +275,13 @@ static const uint64_t sun8i_layer_modifiers[] = {
 	DRM_FORMAT_MOD_INVALID
 };
 
-struct sun8i_ui_layer *sun8i_ui_layer_init_one(struct drm_device *drm,
-					       struct sun8i_mixer *mixer,
-					       int index)
+struct sun8i_layer *sun8i_ui_layer_init_one(struct drm_device *drm,
+					    struct sun8i_mixer *mixer,
+					    int index)
 {
 	enum drm_plane_type type = DRM_PLANE_TYPE_OVERLAY;
 	int channel = mixer->cfg->vi_num + index;
-	struct sun8i_ui_layer *layer;
+	struct sun8i_layer *layer;
 	unsigned int plane_cnt;
 	int ret;
 
@@ -390,6 +320,7 @@ struct sun8i_ui_layer *sun8i_ui_layer_init_one(struct drm_device *drm,
 
 	drm_plane_helper_add(&layer->plane, &sun8i_ui_layer_helper_funcs);
 	layer->mixer = mixer;
+	layer->type = SUN8I_LAYER_TYPE_UI;
 	layer->channel = channel;
 	layer->overlay = 0;