drm/nouveau: no need to pass parameters into set_scale/dither

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nouveau_connector.c

@@ -471,7 +471,7 @@ nouveau_connector_set_property(struct drm_connector *connector,
 			if (!ret)
 				return -EINVAL;
 		} else {
-			ret = nv_crtc->set_scale(nv_crtc, value, true);
+			ret = nv_crtc->set_scale(nv_crtc, true);
 			if (ret)
 				return ret;
 		}
@@ -486,9 +486,7 @@ nouveau_connector_set_property(struct drm_connector *connector,
 			if (!nv_crtc || !nv_crtc->set_scale)
 				return 0;
 
-			return nv_crtc->set_scale(nv_crtc,
-						  nv_connector->scaling_mode,
-						  true);
+			return nv_crtc->set_scale(nv_crtc, true);
 		}
 
 		return 0;
@@ -500,9 +498,7 @@ nouveau_connector_set_property(struct drm_connector *connector,
 			if (!nv_crtc || !nv_crtc->set_scale)
 				return 0;
 
-			return nv_crtc->set_scale(nv_crtc,
-						  nv_connector->scaling_mode,
-						  true);
+			return nv_crtc->set_scale(nv_crtc, true);
 		}
 
 		return 0;
@@ -514,9 +510,7 @@ nouveau_connector_set_property(struct drm_connector *connector,
 			if (!nv_crtc || !nv_crtc->set_scale)
 				return 0;
 
-			return nv_crtc->set_scale(nv_crtc,
-						  nv_connector->scaling_mode,
-						  true);
+			return nv_crtc->set_scale(nv_crtc, true);
 		}
 
 		return 0;
@@ -532,8 +526,7 @@ nouveau_connector_set_property(struct drm_connector *connector,
 		if (!nv_crtc || !nv_crtc->set_dither)
 			return 0;
 
-		return nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering,
-					   true);
+		return nv_crtc->set_dither(nv_crtc, true);
 	}
 
 	if (nv_encoder && nv_encoder->dcb->type == OUTPUT_TV)

drivers/gpu/drm/nouveau/nouveau_crtc.h

@@ -67,8 +67,8 @@ struct nouveau_crtc {
 		int depth;
 	} lut;
 
-	int (*set_dither)(struct nouveau_crtc *crtc, bool on, bool update);
-	int (*set_scale)(struct nouveau_crtc *crtc, int mode, bool update);
+	int (*set_dither)(struct nouveau_crtc *crtc, bool update);
+	int (*set_scale)(struct nouveau_crtc *crtc, bool update);
 };
 
 static inline struct nouveau_crtc *nouveau_crtc(struct drm_crtc *crtc)

drivers/gpu/drm/nouveau/nv50_crtc.c

@@ -132,10 +132,12 @@ nv50_crtc_blank(struct nouveau_crtc *nv_crtc, bool blanked)
 }
 
 static int
-nv50_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool on, bool update)
+nv50_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update)
 {
 	struct drm_device *dev = nv_crtc->base.dev;
 	struct nouveau_channel *evo = nv50_display(dev)->master;
+	struct nouveau_connector *nv_connector =
+		nouveau_crtc_connector_get(nv_crtc);
 	int ret;
 
 	NV_DEBUG_KMS(dev, "\n");
@@ -147,7 +149,7 @@ nv50_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool on, bool update)
 	}
 
 	BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, DITHER_CTRL), 1);
-	if (on)
+	if (nv_connector->use_dithering)
 		OUT_RING(evo, NV50_EVO_CRTC_DITHER_CTRL_ON);
 	else
 		OUT_RING(evo, NV50_EVO_CRTC_DITHER_CTRL_OFF);
@@ -180,15 +182,15 @@ nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
 }
 
 static int
-nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, int scaling_mode, bool update)
+nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update)
 {
 	struct nouveau_connector *nv_connector;
 	struct drm_crtc *crtc = &nv_crtc->base;
 	struct drm_device *dev = crtc->dev;
 	struct nouveau_channel *evo = nv50_display(dev)->master;
 	struct drm_display_mode *mode = &crtc->mode;
+	int scaling_mode, ret;
 	u32 ctrl = 0, oX, oY;
-	int ret;
 
 	NV_DEBUG_KMS(dev, "\n");
 
@@ -196,6 +198,8 @@ nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, int scaling_mode, bool update)
 	if (!nv_connector || !nv_connector->native_mode) {
 		NV_ERROR(dev, "no native mode, forcing panel scaling\n");
 		scaling_mode = DRM_MODE_SCALE_NONE;
+	} else {
+		scaling_mode = nv_connector->scaling_mode;
 	}
 
 	/* start off at the resolution we programmed the crtc for, this
@@ -663,8 +667,8 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
 	BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, SCALE_CENTER_OFFSET), 1);
 	OUT_RING(evo, NV50_EVO_CRTC_SCALE_CENTER_OFFSET_VAL(0, 0));
 
-	nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering, false);
-	nv_crtc->set_scale(nv_crtc, nv_connector->scaling_mode, false);
+	nv_crtc->set_dither(nv_crtc, false);
+	nv_crtc->set_scale(nv_crtc, false);
 
 	return nv50_crtc_do_mode_set_base(crtc, old_fb, x, y, false);
 }

drivers/gpu/drm/nouveau/nvd0_display.c

@@ -107,13 +107,14 @@ nvd0_display_crtc_get(struct drm_encoder *encoder)
  * CRTC
  *****************************************************************************/
 static int
-nvd0_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool on, bool update)
+nvd0_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update)
 {
+	struct nouveau_connector *nv_connector;
 	struct drm_device *dev = nv_crtc->base.dev;
-	u32 *push, mode;
+	u32 *push, mode = 0;
 
-	mode = 0x00000000;
-	if (on) {
+	nv_connector = nouveau_crtc_connector_get(nv_crtc);
+	if (nv_connector->use_dithering) {
 		/* 0x11: 6bpc dynamic 2x2
 		 * 0x13: 8bpc dynamic 2x2
 		 * 0x19: 6bpc static 2x2
@@ -139,7 +140,7 @@ nvd0_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool on, bool update)
 }
 
 static int
-nvd0_crtc_set_scale(struct nouveau_crtc *nv_crtc, int type, bool update)
+nvd0_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update)
 {
 	struct drm_display_mode *mode = &nv_crtc->base.mode;
 	struct drm_device *dev = nv_crtc->base.dev;
@@ -155,7 +156,7 @@ nvd0_crtc_set_scale(struct nouveau_crtc *nv_crtc, int type, bool update)
 		u32 xratio = (native->hdisplay << 19) / mode->hdisplay;
 		u32 yratio = (native->vdisplay << 19) / mode->vdisplay;
 
-		switch (type) {
+		switch (nv_connector->scaling_mode) {
 		case DRM_MODE_SCALE_ASPECT:
 			if (xratio > yratio) {
 				outX = (mode->hdisplay * yratio) >> 19;
@@ -378,8 +379,8 @@ nvd0_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
 	}
 
 	nv_connector = nouveau_crtc_connector_get(nv_crtc);
-	nvd0_crtc_set_dither(nv_crtc, nv_connector->use_dithering, false);
-	nvd0_crtc_set_scale(nv_crtc, nv_connector->scaling_mode, false);
+	nvd0_crtc_set_dither(nv_crtc, false);
+	nvd0_crtc_set_scale(nv_crtc, false);
 	nvd0_crtc_set_image(nv_crtc, crtc->fb, x, y, false);
 	return 0;
 }