drm/sun4i: ui_scaler: use layer instead of mixer for args

Layer related peripherals should take layer struct as a input. This
looks cleaner and also necessary for proper DE33 support later.

Reviewed-by: Chen-Yu Tsai <wens@kernel.org>
Tested-by: Ryan Walklin <ryan@testtoast.com>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20251104180942.61538-19-jernej.skrabec@gmail.com
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>

Author: jernejsk

drivers/gpu/drm/sun4i/sun8i_ui_layer.c

@@ -110,17 +110,16 @@ static void sun8i_ui_layer_update_coord(struct sun8i_layer *layer,
 					      state->fb->format);
 			sun8i_vi_scaler_enable(mixer, layer->channel, true);
 		} else {
-			sun8i_ui_scaler_setup(mixer, layer->channel, src_w, src_h,
-					      dst_w, dst_h, hscale, vscale,
-					      hphase, vphase);
-			sun8i_ui_scaler_enable(mixer, layer->channel, true);
+			sun8i_ui_scaler_setup(layer, src_w, src_h, dst_w, dst_h,
+					      hscale, vscale, hphase, vphase);
+			sun8i_ui_scaler_enable(layer, true);
 		}
 	} else {
 		DRM_DEBUG_DRIVER("HW scaling is not needed\n");
 		if (mixer->cfg->de_type == SUN8I_MIXER_DE33)
 			sun8i_vi_scaler_enable(mixer, layer->channel, false);
 		else
-			sun8i_ui_scaler_enable(mixer, layer->channel, false);
+			sun8i_ui_scaler_enable(layer, false);
 	}
 }
 

drivers/gpu/drm/sun4i/sun8i_ui_scaler.c

@@ -127,14 +127,15 @@ static int sun8i_ui_scaler_coef_index(unsigned int step)
 	}
 }
 
-void sun8i_ui_scaler_enable(struct sun8i_mixer *mixer, int layer, bool enable)
+void sun8i_ui_scaler_enable(struct sun8i_layer *layer, bool enable)
 {
+	struct sun8i_mixer *mixer = layer->mixer;
 	u32 val, base;
 
-	if (WARN_ON(layer < mixer->cfg->vi_num))
+	if (WARN_ON(layer->channel < mixer->cfg->vi_num))
 		return;
 
-	base = sun8i_ui_scaler_base(mixer, layer);
+	base = sun8i_ui_scaler_base(mixer, layer->channel);
 
 	if (enable)
 		val = SUN8I_SCALER_GSU_CTRL_EN |
@@ -145,18 +146,19 @@ void sun8i_ui_scaler_enable(struct sun8i_mixer *mixer, int layer, bool enable)
 	regmap_write(mixer->engine.regs, SUN8I_SCALER_GSU_CTRL(base), val);
 }
 
-void sun8i_ui_scaler_setup(struct sun8i_mixer *mixer, int layer,
+void sun8i_ui_scaler_setup(struct sun8i_layer *layer,
 			   u32 src_w, u32 src_h, u32 dst_w, u32 dst_h,
 			   u32 hscale, u32 vscale, u32 hphase, u32 vphase)
 {
+	struct sun8i_mixer *mixer = layer->mixer;
 	u32 insize, outsize;
 	int i, offset;
 	u32 base;
 
-	if (WARN_ON(layer < mixer->cfg->vi_num))
+	if (WARN_ON(layer->channel < mixer->cfg->vi_num))
 		return;
 
-	base = sun8i_ui_scaler_base(mixer, layer);
+	base = sun8i_ui_scaler_base(mixer, layer->channel);
 
 	hphase <<= SUN8I_UI_SCALER_PHASE_FRAC - 16;
 	vphase <<= SUN8I_UI_SCALER_PHASE_FRAC - 16;

drivers/gpu/drm/sun4i/sun8i_ui_scaler.h

@@ -35,8 +35,8 @@
 #define SUN8I_SCALER_GSU_CTRL_EN		BIT(0)
 #define SUN8I_SCALER_GSU_CTRL_COEFF_RDY		BIT(4)
 
-void sun8i_ui_scaler_enable(struct sun8i_mixer *mixer, int layer, bool enable);
-void sun8i_ui_scaler_setup(struct sun8i_mixer *mixer, int layer,
+void sun8i_ui_scaler_enable(struct sun8i_layer *layer, bool enable);
+void sun8i_ui_scaler_setup(struct sun8i_layer *layer,
 			   u32 src_w, u32 src_h, u32 dst_w, u32 dst_h,
 			   u32 hscale, u32 vscale, u32 hphase, u32 vphase);