diff --git a/drivers/gpu/drm/sun4i/sun8i_csc.c b/drivers/gpu/drm/sun4i/sun8i_csc.c
index 58480d8e4f704..6ebd1c3aa3ab5 100644
--- a/drivers/gpu/drm/sun4i/sun8i_csc.c
+++ b/drivers/gpu/drm/sun4i/sun8i_csc.c
@@ -108,7 +108,7 @@ static const u32 yuv2rgb_de3[2][3][12] = {
 };
 
 static void sun8i_csc_set_coefficients(struct regmap *map, u32 base,
-				       enum sun8i_csc_mode mode,
+				       enum format_type fmt_type,
 				       enum drm_color_encoding encoding,
 				       enum drm_color_range range)
 {
@@ -118,12 +118,12 @@ static void sun8i_csc_set_coefficients(struct regmap *map, u32 base,
 
 	table = yuv2rgb[range][encoding];
 
-	switch (mode) {
-	case SUN8I_CSC_MODE_YUV2RGB:
+	switch (fmt_type) {
+	case FORMAT_TYPE_YUV:
 		base_reg = SUN8I_CSC_COEFF(base, 0);
 		regmap_bulk_write(map, base_reg, table, 12);
 		break;
-	case SUN8I_CSC_MODE_YVU2RGB:
+	case FORMAT_TYPE_YVU:
 		for (i = 0; i < 12; i++) {
 			if ((i & 3) == 1)
 				base_reg = SUN8I_CSC_COEFF(base, i + 1);
@@ -141,7 +141,7 @@ static void sun8i_csc_set_coefficients(struct regmap *map, u32 base,
 }
 
 static void sun8i_de3_ccsc_set_coefficients(struct regmap *map, int layer,
-					    enum sun8i_csc_mode mode,
+					    enum format_type fmt_type,
 					    enum drm_color_encoding encoding,
 					    enum drm_color_range range)
 {
@@ -151,12 +151,12 @@ static void sun8i_de3_ccsc_set_coefficients(struct regmap *map, int layer,
 
 	table = yuv2rgb_de3[range][encoding];
 
-	switch (mode) {
-	case SUN8I_CSC_MODE_YUV2RGB:
+	switch (fmt_type) {
+	case FORMAT_TYPE_YUV:
 		addr = SUN50I_MIXER_BLEND_CSC_COEFF(DE3_BLD_BASE, layer, 0);
 		regmap_bulk_write(map, addr, table, 12);
 		break;
-	case SUN8I_CSC_MODE_YVU2RGB:
+	case FORMAT_TYPE_YVU:
 		for (i = 0; i < 12; i++) {
 			if ((i & 3) == 1)
 				addr = SUN50I_MIXER_BLEND_CSC_COEFF(DE3_BLD_BASE,
@@ -206,7 +206,7 @@ static void sun8i_de3_ccsc_enable(struct regmap *map, int layer, bool enable)
 }
 
 void sun8i_csc_set_ccsc_coefficients(struct sun8i_mixer *mixer, int layer,
-				     enum sun8i_csc_mode mode,
+				     enum format_type fmt_type,
 				     enum drm_color_encoding encoding,
 				     enum drm_color_range range)
 {
@@ -214,14 +214,14 @@ void sun8i_csc_set_ccsc_coefficients(struct sun8i_mixer *mixer, int layer,
 
 	if (mixer->cfg->is_de3) {
 		sun8i_de3_ccsc_set_coefficients(mixer->engine.regs, layer,
-						mode, encoding, range);
+						fmt_type, encoding, range);
 		return;
 	}
 
 	base = ccsc_base[mixer->cfg->ccsc][layer];
 
 	sun8i_csc_set_coefficients(mixer->engine.regs, base,
-				   mode, encoding, range);
+				   fmt_type, encoding, range);
 }
 
 void sun8i_csc_enable_ccsc(struct sun8i_mixer *mixer, int layer, bool enable)
diff --git a/drivers/gpu/drm/sun4i/sun8i_csc.h b/drivers/gpu/drm/sun4i/sun8i_csc.h
index 828b86fd0cabb..7322770f39f03 100644
--- a/drivers/gpu/drm/sun4i/sun8i_csc.h
+++ b/drivers/gpu/drm/sun4i/sun8i_csc.h
@@ -22,14 +22,14 @@ struct sun8i_mixer;
 
 #define SUN8I_CSC_CTRL_EN		BIT(0)
 
-enum sun8i_csc_mode {
-	SUN8I_CSC_MODE_OFF,
-	SUN8I_CSC_MODE_YUV2RGB,
-	SUN8I_CSC_MODE_YVU2RGB,
+enum format_type {
+	FORMAT_TYPE_RGB,
+	FORMAT_TYPE_YUV,
+	FORMAT_TYPE_YVU,
 };
 
 void sun8i_csc_set_ccsc_coefficients(struct sun8i_mixer *mixer, int layer,
-				     enum sun8i_csc_mode mode,
+				     enum format_type fmt_type,
 				     enum drm_color_encoding encoding,
 				     enum drm_color_range range);
 void sun8i_csc_enable_ccsc(struct sun8i_mixer *mixer, int layer, bool enable);
diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
index f9c0a56d3a148..76e2d3ec0a78c 100644
--- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
@@ -242,19 +242,19 @@ static int sun8i_vi_layer_update_coord(struct sun8i_mixer *mixer, int channel,
 	return 0;
 }
 
-static u32 sun8i_vi_layer_get_csc_mode(const struct drm_format_info *format)
+static u32 sun8i_vi_layer_get_format_type(const struct drm_format_info *format)
 {
 	if (!format->is_yuv)
-		return SUN8I_CSC_MODE_OFF;
+		return FORMAT_TYPE_RGB;
 
 	switch (format->format) {
 	case DRM_FORMAT_YVU411:
 	case DRM_FORMAT_YVU420:
 	case DRM_FORMAT_YVU422:
 	case DRM_FORMAT_YVU444:
-		return SUN8I_CSC_MODE_YVU2RGB;
+		return FORMAT_TYPE_YVU;
 	default:
-		return SUN8I_CSC_MODE_YUV2RGB;
+		return FORMAT_TYPE_YUV;
 	}
 }
 
@@ -262,7 +262,7 @@ static int sun8i_vi_layer_update_formats(struct sun8i_mixer *mixer, int channel,
 					 int overlay, struct drm_plane *plane)
 {
 	struct drm_plane_state *state = plane->state;
-	u32 val, ch_base, csc_mode, hw_fmt;
+	u32 val, ch_base, fmt_type, hw_fmt;
 	const struct drm_format_info *fmt;
 	int ret;
 
@@ -280,9 +280,9 @@ static int sun8i_vi_layer_update_formats(struct sun8i_mixer *mixer, int channel,
 			   SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay),
 			   SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK, val);
 
-	csc_mode = sun8i_vi_layer_get_csc_mode(fmt);
-	if (csc_mode != SUN8I_CSC_MODE_OFF) {
-		sun8i_csc_set_ccsc_coefficients(mixer, channel, csc_mode,
+	fmt_type = sun8i_vi_layer_get_format_type(fmt);
+	if (fmt_type != FORMAT_TYPE_RGB) {
+		sun8i_csc_set_ccsc_coefficients(mixer, channel, fmt_type,
 						state->color_encoding,
 						state->color_range);
 		sun8i_csc_enable_ccsc(mixer, channel, true);
