diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index 7b5f2e8..61b094f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
@@ -217,7 +217,7 @@ static void fimc_set_type_ctrl(struct fimc_context *ctx, enum fimc_wb wb)
 {
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:wb[%d]\n", __func__, wb);
+	DRM_DEBUG_KMS("wb[%d]\n", wb);
 
 	cfg = fimc_read(EXYNOS_CIGCTRL);
 	cfg &= ~(EXYNOS_CIGCTRL_TESTPATTERN_MASK |
@@ -253,10 +253,10 @@ static void fimc_set_polarity(struct fimc_context *ctx,
 {
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:inv_pclk[%d]inv_vsync[%d]\n",
-		__func__, pol->inv_pclk, pol->inv_vsync);
-	DRM_DEBUG_KMS("%s:inv_href[%d]inv_hsync[%d]\n",
-		__func__, pol->inv_href, pol->inv_hsync);
+	DRM_DEBUG_KMS("inv_pclk[%d]inv_vsync[%d]\n",
+		pol->inv_pclk, pol->inv_vsync);
+	DRM_DEBUG_KMS("inv_href[%d]inv_hsync[%d]\n",
+		pol->inv_href, pol->inv_hsync);
 
 	cfg = fimc_read(EXYNOS_CIGCTRL);
 	cfg &= ~(EXYNOS_CIGCTRL_INVPOLPCLK | EXYNOS_CIGCTRL_INVPOLVSYNC |
@@ -278,7 +278,7 @@ static void fimc_handle_jpeg(struct fimc_context *ctx, bool enable)
 {
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:enable[%d]\n", __func__, enable);
+	DRM_DEBUG_KMS("enable[%d]\n", enable);
 
 	cfg = fimc_read(EXYNOS_CIGCTRL);
 	if (enable)
@@ -294,7 +294,7 @@ static void fimc_handle_irq(struct fimc_context *ctx, bool enable,
 {
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:enable[%d]overflow[%d]level[%d]\n", __func__,
+	DRM_DEBUG_KMS("enable[%d]overflow[%d]level[%d]\n",
 			enable, overflow, level);
 
 	cfg = fimc_read(EXYNOS_CIGCTRL);
@@ -329,7 +329,7 @@ static bool fimc_check_ovf(struct fimc_context *ctx)
 	flag = EXYNOS_CISTATUS_OVFIY | EXYNOS_CISTATUS_OVFICB |
 		EXYNOS_CISTATUS_OVFICR;
 
-	DRM_DEBUG_KMS("%s:flag[0x%x]\n", __func__, flag);
+	DRM_DEBUG_KMS("flag[0x%x]\n", flag);
 
 	if (status & flag) {
 		cfg = fimc_read(EXYNOS_CIWDOFST);
@@ -358,7 +358,7 @@ static bool fimc_check_frame_end(struct fimc_context *ctx)
 
 	cfg = fimc_read(EXYNOS_CISTATUS);
 
-	DRM_DEBUG_KMS("%s:cfg[0x%x]\n", __func__, cfg);
+	DRM_DEBUG_KMS("cfg[0x%x]\n", cfg);
 
 	if (!(cfg & EXYNOS_CISTATUS_FRAMEEND))
 		return false;
@@ -380,7 +380,7 @@ static int fimc_get_buf_id(struct fimc_context *ctx)
 	if (frame_cnt == 0)
 		frame_cnt = EXYNOS_CISTATUS2_GET_FRAMECOUNT_PRESENT(cfg);
 
-	DRM_DEBUG_KMS("%s:present[%d]before[%d]\n", __func__,
+	DRM_DEBUG_KMS("present[%d]before[%d]\n",
 		EXYNOS_CISTATUS2_GET_FRAMECOUNT_PRESENT(cfg),
 		EXYNOS_CISTATUS2_GET_FRAMECOUNT_BEFORE(cfg));
 
@@ -390,7 +390,7 @@ static int fimc_get_buf_id(struct fimc_context *ctx)
 	}
 
 	buf_id = frame_cnt - 1;
-	DRM_DEBUG_KMS("%s:buf_id[%d]\n", __func__, buf_id);
+	DRM_DEBUG_KMS("buf_id[%d]\n", buf_id);
 
 	return buf_id;
 }
@@ -399,7 +399,7 @@ static void fimc_handle_lastend(struct fimc_context *ctx, bool enable)
 {
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:enable[%d]\n", __func__, enable);
+	DRM_DEBUG_KMS("enable[%d]\n", enable);
 
 	cfg = fimc_read(EXYNOS_CIOCTRL);
 	if (enable)
@@ -416,7 +416,7 @@ static int fimc_src_set_fmt_order(struct fimc_context *ctx, u32 fmt)
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:fmt[0x%x]\n", __func__, fmt);
+	DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
 
 	/* RGB */
 	cfg = fimc_read(EXYNOS_CISCCTRL);
@@ -489,7 +489,7 @@ static int fimc_src_set_fmt(struct device *dev, u32 fmt)
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:fmt[0x%x]\n", __func__, fmt);
+	DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
 
 	cfg = fimc_read(EXYNOS_MSCTRL);
 	cfg &= ~EXYNOS_MSCTRL_INFORMAT_RGB;
@@ -549,8 +549,7 @@ static int fimc_src_set_transf(struct device *dev,
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
 	u32 cfg1, cfg2;
 
-	DRM_DEBUG_KMS("%s:degree[%d]flip[0x%x]\n", __func__,
-		degree, flip);
+	DRM_DEBUG_KMS("degree[%d]flip[0x%x]\n", degree, flip);
 
 	cfg1 = fimc_read(EXYNOS_MSCTRL);
 	cfg1 &= ~(EXYNOS_MSCTRL_FLIP_X_MIRROR |
@@ -613,10 +612,9 @@ static int fimc_set_window(struct fimc_context *ctx,
 	v1 = pos->y;
 	v2 = sz->vsize - pos->h - pos->y;
 
-	DRM_DEBUG_KMS("%s:x[%d]y[%d]w[%d]h[%d]hsize[%d]vsize[%d]\n",
-	__func__, pos->x, pos->y, pos->w, pos->h, sz->hsize, sz->vsize);
-	DRM_DEBUG_KMS("%s:h1[%d]h2[%d]v1[%d]v2[%d]\n", __func__,
-		h1, h2, v1, v2);
+	DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]hsize[%d]vsize[%d]\n",
+		pos->x, pos->y, pos->w, pos->h, sz->hsize, sz->vsize);
+	DRM_DEBUG_KMS("h1[%d]h2[%d]v1[%d]v2[%d]\n", h1, h2, v1, v2);
 
 	/*
 	 * set window offset 1, 2 size
@@ -645,8 +643,8 @@ static int fimc_src_set_size(struct device *dev, int swap,
 	struct drm_exynos_sz img_sz = *sz;
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:swap[%d]hsize[%d]vsize[%d]\n",
-		__func__, swap, sz->hsize, sz->vsize);
+	DRM_DEBUG_KMS("swap[%d]hsize[%d]vsize[%d]\n",
+		swap, sz->hsize, sz->vsize);
 
 	/* original size */
 	cfg = (EXYNOS_ORGISIZE_HORIZONTAL(img_sz.hsize) |
@@ -654,8 +652,7 @@ static int fimc_src_set_size(struct device *dev, int swap,
 
 	fimc_write(cfg, EXYNOS_ORGISIZE);
 
-	DRM_DEBUG_KMS("%s:x[%d]y[%d]w[%d]h[%d]\n", __func__,
-		pos->x, pos->y, pos->w, pos->h);
+	DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]\n", pos->x, pos->y, pos->w, pos->h);
 
 	if (swap) {
 		img_pos.w = pos->h;
@@ -712,7 +709,7 @@ static int fimc_src_set_addr(struct device *dev,
 
 	property = &c_node->property;
 
-	DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
+	DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]buf_type[%d]\n",
 		property->prop_id, buf_id, buf_type);
 
 	if (buf_id > FIMC_MAX_SRC) {
@@ -764,7 +761,7 @@ static int fimc_dst_set_fmt_order(struct fimc_context *ctx, u32 fmt)
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:fmt[0x%x]\n", __func__, fmt);
+	DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
 
 	/* RGB */
 	cfg = fimc_read(EXYNOS_CISCCTRL);
@@ -843,7 +840,7 @@ static int fimc_dst_set_fmt(struct device *dev, u32 fmt)
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:fmt[0x%x]\n", __func__, fmt);
+	DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
 
 	cfg = fimc_read(EXYNOS_CIEXTEN);
 
@@ -911,8 +908,7 @@ static int fimc_dst_set_transf(struct device *dev,
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:degree[%d]flip[0x%x]\n", __func__,
-		degree, flip);
+	DRM_DEBUG_KMS("degree[%d]flip[0x%x]\n", degree, flip);
 
 	cfg = fimc_read(EXYNOS_CITRGFMT);
 	cfg &= ~EXYNOS_CITRGFMT_FLIP_MASK;
@@ -962,7 +958,7 @@ static int fimc_dst_set_transf(struct device *dev,
 
 static int fimc_get_ratio_shift(u32 src, u32 dst, u32 *ratio, u32 *shift)
 {
-	DRM_DEBUG_KMS("%s:src[%d]dst[%d]\n", __func__, src, dst);
+	DRM_DEBUG_KMS("src[%d]dst[%d]\n", src, dst);
 
 	if (src >= dst * 64) {
 		DRM_ERROR("failed to make ratio and shift.\n");
@@ -1031,20 +1027,20 @@ static int fimc_set_prescaler(struct fimc_context *ctx, struct fimc_scaler *sc,
 
 	pre_dst_width = src_w / pre_hratio;
 	pre_dst_height = src_h / pre_vratio;
-	DRM_DEBUG_KMS("%s:pre_dst_width[%d]pre_dst_height[%d]\n", __func__,
+	DRM_DEBUG_KMS("pre_dst_width[%d]pre_dst_height[%d]\n",
 		pre_dst_width, pre_dst_height);
-	DRM_DEBUG_KMS("%s:pre_hratio[%d]hfactor[%d]pre_vratio[%d]vfactor[%d]\n",
-		__func__, pre_hratio, hfactor, pre_vratio, vfactor);
+	DRM_DEBUG_KMS("pre_hratio[%d]hfactor[%d]pre_vratio[%d]vfactor[%d]\n",
+		pre_hratio, hfactor, pre_vratio, vfactor);
 
 	sc->hratio = (src_w << 14) / (dst_w << hfactor);
 	sc->vratio = (src_h << 14) / (dst_h << vfactor);
 	sc->up_h = (dst_w >= src_w) ? true : false;
 	sc->up_v = (dst_h >= src_h) ? true : false;
-	DRM_DEBUG_KMS("%s:hratio[%d]vratio[%d]up_h[%d]up_v[%d]\n",
-	__func__, sc->hratio, sc->vratio, sc->up_h, sc->up_v);
+	DRM_DEBUG_KMS("hratio[%d]vratio[%d]up_h[%d]up_v[%d]\n",
+		sc->hratio, sc->vratio, sc->up_h, sc->up_v);
 
 	shfactor = FIMC_SHFACTOR - (hfactor + vfactor);
-	DRM_DEBUG_KMS("%s:shfactor[%d]\n", __func__, shfactor);
+	DRM_DEBUG_KMS("shfactor[%d]\n", shfactor);
 
 	cfg = (EXYNOS_CISCPRERATIO_SHFACTOR(shfactor) |
 		EXYNOS_CISCPRERATIO_PREHORRATIO(pre_hratio) |
@@ -1062,10 +1058,10 @@ static void fimc_set_scaler(struct fimc_context *ctx, struct fimc_scaler *sc)
 {
 	u32 cfg, cfg_ext;
 
-	DRM_DEBUG_KMS("%s:range[%d]bypass[%d]up_h[%d]up_v[%d]\n",
-		__func__, sc->range, sc->bypass, sc->up_h, sc->up_v);
-	DRM_DEBUG_KMS("%s:hratio[%d]vratio[%d]\n",
-		__func__, sc->hratio, sc->vratio);
+	DRM_DEBUG_KMS("range[%d]bypass[%d]up_h[%d]up_v[%d]\n",
+		sc->range, sc->bypass, sc->up_h, sc->up_v);
+	DRM_DEBUG_KMS("hratio[%d]vratio[%d]\n",
+		sc->hratio, sc->vratio);
 
 	cfg = fimc_read(EXYNOS_CISCCTRL);
 	cfg &= ~(EXYNOS_CISCCTRL_SCALERBYPASS |
@@ -1105,8 +1101,8 @@ static int fimc_dst_set_size(struct device *dev, int swap,
 	struct drm_exynos_sz img_sz = *sz;
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:swap[%d]hsize[%d]vsize[%d]\n",
-		__func__, swap, sz->hsize, sz->vsize);
+	DRM_DEBUG_KMS("swap[%d]hsize[%d]vsize[%d]\n",
+		swap, sz->hsize, sz->vsize);
 
 	/* original size */
 	cfg = (EXYNOS_ORGOSIZE_HORIZONTAL(img_sz.hsize) |
@@ -1114,8 +1110,7 @@ static int fimc_dst_set_size(struct device *dev, int swap,
 
 	fimc_write(cfg, EXYNOS_ORGOSIZE);
 
-	DRM_DEBUG_KMS("%s:x[%d]y[%d]w[%d]h[%d]\n",
-		__func__, pos->x, pos->y, pos->w, pos->h);
+	DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]\n", pos->x, pos->y, pos->w, pos->h);
 
 	/* CSC ITU */
 	cfg = fimc_read(EXYNOS_CIGCTRL);
@@ -1172,7 +1167,7 @@ static int fimc_dst_get_buf_seq(struct fimc_context *ctx)
 		if (cfg & (mask << i))
 			buf_num++;
 
-	DRM_DEBUG_KMS("%s:buf_num[%d]\n", __func__, buf_num);
+	DRM_DEBUG_KMS("buf_num[%d]\n", buf_num);
 
 	return buf_num;
 }
@@ -1186,8 +1181,7 @@ static int fimc_dst_set_buf_seq(struct fimc_context *ctx, u32 buf_id,
 	u32 mask = 0x00000001 << buf_id;
 	int ret = 0;
 
-	DRM_DEBUG_KMS("%s:buf_id[%d]buf_type[%d]\n", __func__,
-		buf_id, buf_type);
+	DRM_DEBUG_KMS("buf_id[%d]buf_type[%d]\n", buf_id, buf_type);
 
 	mutex_lock(&ctx->lock);
 
@@ -1244,7 +1238,7 @@ static int fimc_dst_set_addr(struct device *dev,
 
 	property = &c_node->property;
 
-	DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
+	DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]buf_type[%d]\n",
 		property->prop_id, buf_id, buf_type);
 
 	if (buf_id > FIMC_MAX_DST) {
@@ -1294,7 +1288,7 @@ static struct exynos_drm_ipp_ops fimc_dst_ops = {
 
 static int fimc_clk_ctrl(struct fimc_context *ctx, bool enable)
 {
-	DRM_DEBUG_KMS("%s:enable[%d]\n", __func__, enable);
+	DRM_DEBUG_KMS("enable[%d]\n", enable);
 
 	if (enable) {
 		clk_prepare_enable(ctx->clocks[FIMC_CLK_GATE]);
@@ -1318,7 +1312,7 @@ static irqreturn_t fimc_irq_handler(int irq, void *dev_id)
 		c_node->event_work;
 	int buf_id;
 
-	DRM_DEBUG_KMS("%s:fimc id[%d]\n", __func__, ctx->id);
+	DRM_DEBUG_KMS("fimc id[%d]\n", ctx->id);
 
 	fimc_clear_irq(ctx);
 	if (fimc_check_ovf(ctx))
@@ -1331,7 +1325,7 @@ static irqreturn_t fimc_irq_handler(int irq, void *dev_id)
 	if (buf_id < 0)
 		return IRQ_HANDLED;
 
-	DRM_DEBUG_KMS("%s:buf_id[%d]\n", __func__, buf_id);
+	DRM_DEBUG_KMS("buf_id[%d]\n", buf_id);
 
 	if (fimc_dst_set_buf_seq(ctx, buf_id, IPP_BUF_DEQUEUE) < 0) {
 		DRM_ERROR("failed to dequeue.\n");
@@ -1392,7 +1386,7 @@ static inline bool fimc_check_drm_flip(enum drm_exynos_flip flip)
 	case EXYNOS_DRM_FLIP_BOTH:
 		return true;
 	default:
-		DRM_DEBUG_KMS("%s:invalid flip\n", __func__);
+		DRM_DEBUG_KMS("invalid flip\n");
 		return false;
 	}
 }
@@ -1554,7 +1548,7 @@ static int fimc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd)
 	int ret, i;
 	u32 cfg0, cfg1;
 
-	DRM_DEBUG_KMS("%s:cmd[%d]\n", __func__, cmd);
+	DRM_DEBUG_KMS("cmd[%d]\n", cmd);
 
 	if (!c_node) {
 		DRM_ERROR("failed to get c_node.\n");
@@ -1663,7 +1657,7 @@ static void fimc_ippdrv_stop(struct device *dev, enum drm_exynos_ipp_cmd cmd)
 	struct drm_exynos_ipp_set_wb set_wb = {0, 0};
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:cmd[%d]\n", __func__, cmd);
+	DRM_DEBUG_KMS("cmd[%d]\n", cmd);
 
 	switch (cmd) {
 	case IPP_CMD_M2M:
@@ -1853,8 +1847,7 @@ static int fimc_probe(struct platform_device *pdev)
 		goto err_put_clk;
 	}
 
-	DRM_DEBUG_KMS("%s:id[%d]ippdrv[0x%x]\n", __func__, ctx->id,
-		(int)ippdrv);
+	DRM_DEBUG_KMS("id[%d]ippdrv[0x%x]\n", ctx->id, (int)ippdrv);
 
 	mutex_init(&ctx->lock);
 	platform_set_drvdata(pdev, ctx);
@@ -1901,7 +1894,7 @@ static int fimc_suspend(struct device *dev)
 {
 	struct fimc_context *ctx = get_fimc_context(dev);
 
-	DRM_DEBUG_KMS("%s:id[%d]\n", __func__, ctx->id);
+	DRM_DEBUG_KMS("id[%d]\n", ctx->id);
 
 	if (pm_runtime_suspended(dev))
 		return 0;
@@ -1913,7 +1906,7 @@ static int fimc_resume(struct device *dev)
 {
 	struct fimc_context *ctx = get_fimc_context(dev);
 
-	DRM_DEBUG_KMS("%s:id[%d]\n", __func__, ctx->id);
+	DRM_DEBUG_KMS("id[%d]\n", ctx->id);
 
 	if (!pm_runtime_suspended(dev))
 		return fimc_clk_ctrl(ctx, true);
@@ -1927,7 +1920,7 @@ static int fimc_runtime_suspend(struct device *dev)
 {
 	struct fimc_context *ctx = get_fimc_context(dev);
 
-	DRM_DEBUG_KMS("%s:id[%d]\n", __func__, ctx->id);
+	DRM_DEBUG_KMS("id[%d]\n", ctx->id);
 
 	return  fimc_clk_ctrl(ctx, false);
 }
@@ -1936,7 +1929,7 @@ static int fimc_runtime_resume(struct device *dev)
 {
 	struct fimc_context *ctx = get_fimc_context(dev);
 
-	DRM_DEBUG_KMS("%s:id[%d]\n", __func__, ctx->id);
+	DRM_DEBUG_KMS("id[%d]\n", ctx->id);
 
 	return  fimc_clk_ctrl(ctx, true);
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 398a0b3..472e3b2 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
@@ -456,7 +456,7 @@ static void gsc_handle_irq(struct gsc_context *ctx, bool enable,
 {
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:enable[%d]overflow[%d]level[%d]\n", __func__,
+	DRM_DEBUG_KMS("enable[%d]overflow[%d]level[%d]\n",
 			enable, overflow, done);
 
 	cfg = gsc_read(GSC_IRQ);
@@ -487,7 +487,7 @@ static int gsc_src_set_fmt(struct device *dev, u32 fmt)
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:fmt[0x%x]\n", __func__, fmt);
+	DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
 
 	cfg = gsc_read(GSC_IN_CON);
 	cfg &= ~(GSC_IN_RGB_TYPE_MASK | GSC_IN_YUV422_1P_ORDER_MASK |
@@ -563,8 +563,7 @@ static int gsc_src_set_transf(struct device *dev,
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:degree[%d]flip[0x%x]\n", __func__,
-		degree, flip);
+	DRM_DEBUG_KMS("degree[%d]flip[0x%x]\n", degree, flip);
 
 	cfg = gsc_read(GSC_IN_CON);
 	cfg &= ~GSC_IN_ROT_MASK;
@@ -612,8 +611,8 @@ static int gsc_src_set_size(struct device *dev, int swap,
 	struct gsc_scaler *sc = &ctx->sc;
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:swap[%d]x[%d]y[%d]w[%d]h[%d]\n",
-		__func__, swap, pos->x, pos->y, pos->w, pos->h);
+	DRM_DEBUG_KMS("swap[%d]x[%d]y[%d]w[%d]h[%d]\n",
+		swap, pos->x, pos->y, pos->w, pos->h);
 
 	if (swap) {
 		img_pos.w = pos->h;
@@ -630,8 +629,7 @@ static int gsc_src_set_size(struct device *dev, int swap,
 		GSC_CROPPED_HEIGHT(img_pos.h));
 	gsc_write(cfg, GSC_CROPPED_SIZE);
 
-	DRM_DEBUG_KMS("%s:hsize[%d]vsize[%d]\n",
-		__func__, sz->hsize, sz->vsize);
+	DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", sz->hsize, sz->vsize);
 
 	/* original size */
 	cfg = gsc_read(GSC_SRCIMG_SIZE);
@@ -646,8 +644,7 @@ static int gsc_src_set_size(struct device *dev, int swap,
 	cfg = gsc_read(GSC_IN_CON);
 	cfg &= ~GSC_IN_RGB_TYPE_MASK;
 
-	DRM_DEBUG_KMS("%s:width[%d]range[%d]\n",
-		__func__, pos->w, sc->range);
+	DRM_DEBUG_KMS("width[%d]range[%d]\n", pos->w, sc->range);
 
 	if (pos->w >= GSC_WIDTH_ITU_709)
 		if (sc->range)
@@ -673,8 +670,7 @@ static int gsc_src_set_buf_seq(struct gsc_context *ctx, u32 buf_id,
 	u32 cfg;
 	u32 mask = 0x00000001 << buf_id;
 
-	DRM_DEBUG_KMS("%s:buf_id[%d]buf_type[%d]\n", __func__,
-		buf_id, buf_type);
+	DRM_DEBUG_KMS("buf_id[%d]buf_type[%d]\n", buf_id, buf_type);
 
 	/* mask register set */
 	cfg = gsc_read(GSC_IN_BASE_ADDR_Y_MASK);
@@ -717,7 +713,7 @@ static int gsc_src_set_addr(struct device *dev,
 
 	property = &c_node->property;
 
-	DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
+	DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]buf_type[%d]\n",
 		property->prop_id, buf_id, buf_type);
 
 	if (buf_id > GSC_MAX_SRC) {
@@ -761,7 +757,7 @@ static int gsc_dst_set_fmt(struct device *dev, u32 fmt)
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:fmt[0x%x]\n", __func__, fmt);
+	DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
 
 	cfg = gsc_read(GSC_OUT_CON);
 	cfg &= ~(GSC_OUT_RGB_TYPE_MASK | GSC_OUT_YUV422_1P_ORDER_MASK |
@@ -834,8 +830,7 @@ static int gsc_dst_set_transf(struct device *dev,
 	struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:degree[%d]flip[0x%x]\n", __func__,
-		degree, flip);
+	DRM_DEBUG_KMS("degree[%d]flip[0x%x]\n", degree, flip);
 
 	cfg = gsc_read(GSC_IN_CON);
 	cfg &= ~GSC_IN_ROT_MASK;
@@ -877,7 +872,7 @@ static int gsc_dst_set_transf(struct device *dev,
 
 static int gsc_get_ratio_shift(u32 src, u32 dst, u32 *ratio)
 {
-	DRM_DEBUG_KMS("%s:src[%d]dst[%d]\n", __func__, src, dst);
+	DRM_DEBUG_KMS("src[%d]dst[%d]\n", src, dst);
 
 	if (src >= dst * 8) {
 		DRM_ERROR("failed to make ratio and shift.\n");
@@ -940,20 +935,19 @@ static int gsc_set_prescaler(struct gsc_context *ctx, struct gsc_scaler *sc,
 		return ret;
 	}
 
-	DRM_DEBUG_KMS("%s:pre_hratio[%d]pre_vratio[%d]\n",
-		__func__, sc->pre_hratio, sc->pre_vratio);
+	DRM_DEBUG_KMS("pre_hratio[%d]pre_vratio[%d]\n",
+		sc->pre_hratio, sc->pre_vratio);
 
 	sc->main_hratio = (src_w << 16) / dst_w;
 	sc->main_vratio = (src_h << 16) / dst_h;
 
-	DRM_DEBUG_KMS("%s:main_hratio[%ld]main_vratio[%ld]\n",
-		__func__, sc->main_hratio, sc->main_vratio);
+	DRM_DEBUG_KMS("main_hratio[%ld]main_vratio[%ld]\n",
+		sc->main_hratio, sc->main_vratio);
 
 	gsc_get_prescaler_shfactor(sc->pre_hratio, sc->pre_vratio,
 		&sc->pre_shfactor);
 
-	DRM_DEBUG_KMS("%s:pre_shfactor[%d]\n", __func__,
-		sc->pre_shfactor);
+	DRM_DEBUG_KMS("pre_shfactor[%d]\n", sc->pre_shfactor);
 
 	cfg = (GSC_PRESC_SHFACTOR(sc->pre_shfactor) |
 		GSC_PRESC_H_RATIO(sc->pre_hratio) |
@@ -1019,8 +1013,8 @@ static void gsc_set_scaler(struct gsc_context *ctx, struct gsc_scaler *sc)
 {
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:main_hratio[%ld]main_vratio[%ld]\n",
-		__func__, sc->main_hratio, sc->main_vratio);
+	DRM_DEBUG_KMS("main_hratio[%ld]main_vratio[%ld]\n",
+		sc->main_hratio, sc->main_vratio);
 
 	gsc_set_h_coef(ctx, sc->main_hratio);
 	cfg = GSC_MAIN_H_RATIO_VALUE(sc->main_hratio);
@@ -1039,8 +1033,8 @@ static int gsc_dst_set_size(struct device *dev, int swap,
 	struct gsc_scaler *sc = &ctx->sc;
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:swap[%d]x[%d]y[%d]w[%d]h[%d]\n",
-		__func__, swap, pos->x, pos->y, pos->w, pos->h);
+	DRM_DEBUG_KMS("swap[%d]x[%d]y[%d]w[%d]h[%d]\n",
+		swap, pos->x, pos->y, pos->w, pos->h);
 
 	if (swap) {
 		img_pos.w = pos->h;
@@ -1056,8 +1050,7 @@ static int gsc_dst_set_size(struct device *dev, int swap,
 	cfg = (GSC_SCALED_WIDTH(img_pos.w) | GSC_SCALED_HEIGHT(img_pos.h));
 	gsc_write(cfg, GSC_SCALED_SIZE);
 
-	DRM_DEBUG_KMS("%s:hsize[%d]vsize[%d]\n",
-		__func__, sz->hsize, sz->vsize);
+	DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", sz->hsize, sz->vsize);
 
 	/* original size */
 	cfg = gsc_read(GSC_DSTIMG_SIZE);
@@ -1070,8 +1063,7 @@ static int gsc_dst_set_size(struct device *dev, int swap,
 	cfg = gsc_read(GSC_OUT_CON);
 	cfg &= ~GSC_OUT_RGB_TYPE_MASK;
 
-	DRM_DEBUG_KMS("%s:width[%d]range[%d]\n",
-		__func__, pos->w, sc->range);
+	DRM_DEBUG_KMS("width[%d]range[%d]\n", pos->w, sc->range);
 
 	if (pos->w >= GSC_WIDTH_ITU_709)
 		if (sc->range)
@@ -1100,7 +1092,7 @@ static int gsc_dst_get_buf_seq(struct gsc_context *ctx)
 		if (cfg & (mask << i))
 			buf_num--;
 
-	DRM_DEBUG_KMS("%s:buf_num[%d]\n", __func__, buf_num);
+	DRM_DEBUG_KMS("buf_num[%d]\n", buf_num);
 
 	return buf_num;
 }
@@ -1114,8 +1106,7 @@ static int gsc_dst_set_buf_seq(struct gsc_context *ctx, u32 buf_id,
 	u32 mask = 0x00000001 << buf_id;
 	int ret = 0;
 
-	DRM_DEBUG_KMS("%s:buf_id[%d]buf_type[%d]\n", __func__,
-		buf_id, buf_type);
+	DRM_DEBUG_KMS("buf_id[%d]buf_type[%d]\n", buf_id, buf_type);
 
 	mutex_lock(&ctx->lock);
 
@@ -1173,7 +1164,7 @@ static int gsc_dst_set_addr(struct device *dev,
 
 	property = &c_node->property;
 
-	DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
+	DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]buf_type[%d]\n",
 		property->prop_id, buf_id, buf_type);
 
 	if (buf_id > GSC_MAX_DST) {
@@ -1213,7 +1204,7 @@ static struct exynos_drm_ipp_ops gsc_dst_ops = {
 
 static int gsc_clk_ctrl(struct gsc_context *ctx, bool enable)
 {
-	DRM_DEBUG_KMS("%s:enable[%d]\n", __func__, enable);
+	DRM_DEBUG_KMS("enable[%d]\n", enable);
 
 	if (enable) {
 		clk_enable(ctx->gsc_clk);
@@ -1232,7 +1223,7 @@ static int gsc_get_src_buf_index(struct gsc_context *ctx)
 	u32 buf_id = GSC_MAX_SRC;
 	int ret;
 
-	DRM_DEBUG_KMS("%s:gsc id[%d]\n", __func__, ctx->id);
+	DRM_DEBUG_KMS("gsc id[%d]\n", ctx->id);
 
 	cfg = gsc_read(GSC_IN_BASE_ADDR_Y_MASK);
 	curr_index = GSC_IN_CURR_GET_INDEX(cfg);
@@ -1255,7 +1246,7 @@ static int gsc_get_src_buf_index(struct gsc_context *ctx)
 		return ret;
 	}
 
-	DRM_DEBUG_KMS("%s:cfg[0x%x]curr_index[%d]buf_id[%d]\n", __func__, cfg,
+	DRM_DEBUG_KMS("cfg[0x%x]curr_index[%d]buf_id[%d]\n", cfg,
 		curr_index, buf_id);
 
 	return buf_id;
@@ -1267,7 +1258,7 @@ static int gsc_get_dst_buf_index(struct gsc_context *ctx)
 	u32 buf_id = GSC_MAX_DST;
 	int ret;
 
-	DRM_DEBUG_KMS("%s:gsc id[%d]\n", __func__, ctx->id);
+	DRM_DEBUG_KMS("gsc id[%d]\n", ctx->id);
 
 	cfg = gsc_read(GSC_OUT_BASE_ADDR_Y_MASK);
 	curr_index = GSC_OUT_CURR_GET_INDEX(cfg);
@@ -1290,7 +1281,7 @@ static int gsc_get_dst_buf_index(struct gsc_context *ctx)
 		return ret;
 	}
 
-	DRM_DEBUG_KMS("%s:cfg[0x%x]curr_index[%d]buf_id[%d]\n", __func__, cfg,
+	DRM_DEBUG_KMS("cfg[0x%x]curr_index[%d]buf_id[%d]\n", cfg,
 		curr_index, buf_id);
 
 	return buf_id;
@@ -1306,7 +1297,7 @@ static irqreturn_t gsc_irq_handler(int irq, void *dev_id)
 	u32 status;
 	int buf_id[EXYNOS_DRM_OPS_MAX];
 
-	DRM_DEBUG_KMS("%s:gsc id[%d]\n", __func__, ctx->id);
+	DRM_DEBUG_KMS("gsc id[%d]\n", ctx->id);
 
 	status = gsc_read(GSC_IRQ);
 	if (status & GSC_IRQ_STATUS_OR_IRQ) {
@@ -1327,7 +1318,7 @@ static irqreturn_t gsc_irq_handler(int irq, void *dev_id)
 		if (buf_id[EXYNOS_DRM_OPS_DST] < 0)
 			return IRQ_HANDLED;
 
-		DRM_DEBUG_KMS("%s:buf_id_src[%d]buf_id_dst[%d]\n", __func__,
+		DRM_DEBUG_KMS("buf_id_src[%d]buf_id_dst[%d]\n",
 			buf_id[EXYNOS_DRM_OPS_SRC], buf_id[EXYNOS_DRM_OPS_DST]);
 
 		event_work->ippdrv = ippdrv;
@@ -1388,7 +1379,7 @@ static inline bool gsc_check_drm_flip(enum drm_exynos_flip flip)
 	case EXYNOS_DRM_FLIP_BOTH:
 		return true;
 	default:
-		DRM_DEBUG_KMS("%s:invalid flip\n", __func__);
+		DRM_DEBUG_KMS("invalid flip\n");
 		return false;
 	}
 }
@@ -1539,7 +1530,7 @@ static int gsc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd)
 	u32 cfg;
 	int ret, i;
 
-	DRM_DEBUG_KMS("%s:cmd[%d]\n", __func__, cmd);
+	DRM_DEBUG_KMS("cmd[%d]\n", cmd);
 
 	if (!c_node) {
 		DRM_ERROR("failed to get c_node.\n");
@@ -1633,7 +1624,7 @@ static void gsc_ippdrv_stop(struct device *dev, enum drm_exynos_ipp_cmd cmd)
 	struct drm_exynos_ipp_set_wb set_wb = {0, 0};
 	u32 cfg;
 
-	DRM_DEBUG_KMS("%s:cmd[%d]\n", __func__, cmd);
+	DRM_DEBUG_KMS("cmd[%d]\n", cmd);
 
 	switch (cmd) {
 	case IPP_CMD_M2M:
@@ -1718,8 +1709,7 @@ static int gsc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	DRM_DEBUG_KMS("%s:id[%d]ippdrv[0x%x]\n", __func__, ctx->id,
-		(int)ippdrv);
+	DRM_DEBUG_KMS("id[%d]ippdrv[0x%x]\n", ctx->id, (int)ippdrv);
 
 	mutex_init(&ctx->lock);
 	platform_set_drvdata(pdev, ctx);
@@ -1762,7 +1752,7 @@ static int gsc_suspend(struct device *dev)
 {
 	struct gsc_context *ctx = get_gsc_context(dev);
 
-	DRM_DEBUG_KMS("%s:id[%d]\n", __func__, ctx->id);
+	DRM_DEBUG_KMS("id[%d]\n", ctx->id);
 
 	if (pm_runtime_suspended(dev))
 		return 0;
@@ -1774,7 +1764,7 @@ static int gsc_resume(struct device *dev)
 {
 	struct gsc_context *ctx = get_gsc_context(dev);
 
-	DRM_DEBUG_KMS("%s:id[%d]\n", __func__, ctx->id);
+	DRM_DEBUG_KMS("id[%d]\n", ctx->id);
 
 	if (!pm_runtime_suspended(dev))
 		return gsc_clk_ctrl(ctx, true);
@@ -1788,7 +1778,7 @@ static int gsc_runtime_suspend(struct device *dev)
 {
 	struct gsc_context *ctx = get_gsc_context(dev);
 
-	DRM_DEBUG_KMS("%s:id[%d]\n", __func__, ctx->id);
+	DRM_DEBUG_KMS("id[%d]\n", ctx->id);
 
 	return  gsc_clk_ctrl(ctx, false);
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
index 32d174f..01cb9a0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
@@ -173,7 +173,7 @@ static void *ipp_find_obj(struct idr *id_idr, struct mutex *lock, u32 id)
 {
 	void *obj;
 
-	DRM_DEBUG_KMS("%s:id[%d]\n", __func__, id);
+	DRM_DEBUG_KMS("id[%d]\n", id);
 
 	mutex_lock(lock);
 
@@ -210,7 +210,7 @@ static struct exynos_drm_ippdrv *ipp_find_driver(struct ipp_context *ctx,
 	struct exynos_drm_ippdrv *ippdrv;
 	u32 ipp_id = property->ipp_id;
 
-	DRM_DEBUG_KMS("%s:ipp_id[%d]\n", __func__, ipp_id);
+	DRM_DEBUG_KMS("ipp_id[%d]\n", ipp_id);
 
 	if (ipp_id) {
 		/* find ipp driver using idr */
@@ -251,14 +251,13 @@ static struct exynos_drm_ippdrv *ipp_find_driver(struct ipp_context *ctx,
 		 */
 		list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) {
 			if (ipp_check_dedicated(ippdrv, property->cmd)) {
-				DRM_DEBUG_KMS("%s:used device.\n", __func__);
+				DRM_DEBUG_KMS("used device.\n");
 				continue;
 			}
 
 			if (ippdrv->check_property &&
 			    ippdrv->check_property(ippdrv->dev, property)) {
-				DRM_DEBUG_KMS("%s:not support property.\n",
-					__func__);
+				DRM_DEBUG_KMS("not support property.\n");
 				continue;
 			}
 
@@ -277,10 +276,10 @@ static struct exynos_drm_ippdrv *ipp_find_drv_by_handle(u32 prop_id)
 	struct drm_exynos_ipp_cmd_node *c_node;
 	int count = 0;
 
-	DRM_DEBUG_KMS("%s:prop_id[%d]\n", __func__, prop_id);
+	DRM_DEBUG_KMS("prop_id[%d]\n", prop_id);
 
 	if (list_empty(&exynos_drm_ippdrv_list)) {
-		DRM_DEBUG_KMS("%s:ippdrv_list is empty.\n", __func__);
+		DRM_DEBUG_KMS("ippdrv_list is empty.\n");
 		return ERR_PTR(-ENODEV);
 	}
 
@@ -290,8 +289,7 @@ static struct exynos_drm_ippdrv *ipp_find_drv_by_handle(u32 prop_id)
 	 * e.g PAUSE state, queue buf, command contro.
 	 */
 	list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) {
-		DRM_DEBUG_KMS("%s:count[%d]ippdrv[0x%x]\n", __func__,
-			count++, (int)ippdrv);
+		DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]\n", count++, (int)ippdrv);
 
 		if (!list_empty(&ippdrv->cmd_list)) {
 			list_for_each_entry(c_node, &ippdrv->cmd_list, list)
@@ -324,7 +322,7 @@ int exynos_drm_ipp_get_property(struct drm_device *drm_dev, void *data,
 		return -EINVAL;
 	}
 
-	DRM_DEBUG_KMS("%s:ipp_id[%d]\n", __func__, prop_list->ipp_id);
+	DRM_DEBUG_KMS("ipp_id[%d]\n", prop_list->ipp_id);
 
 	if (!prop_list->ipp_id) {
 		list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list)
@@ -363,11 +361,11 @@ static void ipp_print_property(struct drm_exynos_ipp_property *property,
 	struct drm_exynos_pos *pos = &config->pos;
 	struct drm_exynos_sz *sz = &config->sz;
 
-	DRM_DEBUG_KMS("%s:prop_id[%d]ops[%s]fmt[0x%x]\n",
-		__func__, property->prop_id, idx ? "dst" : "src", config->fmt);
+	DRM_DEBUG_KMS("prop_id[%d]ops[%s]fmt[0x%x]\n",
+		property->prop_id, idx ? "dst" : "src", config->fmt);
 
-	DRM_DEBUG_KMS("%s:pos[%d %d %d %d]sz[%d %d]f[%d]r[%d]\n",
-		__func__, pos->x, pos->y, pos->w, pos->h,
+	DRM_DEBUG_KMS("pos[%d %d %d %d]sz[%d %d]f[%d]r[%d]\n",
+		pos->x, pos->y, pos->w, pos->h,
 		sz->hsize, sz->vsize, config->flip, config->degree);
 }
 
@@ -377,7 +375,7 @@ static int ipp_find_and_set_property(struct drm_exynos_ipp_property *property)
 	struct drm_exynos_ipp_cmd_node *c_node;
 	u32 prop_id = property->prop_id;
 
-	DRM_DEBUG_KMS("%s:prop_id[%d]\n", __func__, prop_id);
+	DRM_DEBUG_KMS("prop_id[%d]\n", prop_id);
 
 	ippdrv = ipp_find_drv_by_handle(prop_id);
 	if (IS_ERR(ippdrv)) {
@@ -393,8 +391,8 @@ static int ipp_find_and_set_property(struct drm_exynos_ipp_property *property)
 	list_for_each_entry(c_node, &ippdrv->cmd_list, list) {
 		if ((c_node->property.prop_id == prop_id) &&
 		    (c_node->state == IPP_STATE_STOP)) {
-			DRM_DEBUG_KMS("%s:found cmd[%d]ippdrv[0x%x]\n",
-				__func__, property->cmd, (int)ippdrv);
+			DRM_DEBUG_KMS("found cmd[%d]ippdrv[0x%x]\n",
+				property->cmd, (int)ippdrv);
 
 			c_node->property = *property;
 			return 0;
@@ -472,7 +470,7 @@ int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data,
 	 * instead of allocation.
 	 */
 	if (property->prop_id) {
-		DRM_DEBUG_KMS("%s:prop_id[%d]\n", __func__, property->prop_id);
+		DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id);
 		return ipp_find_and_set_property(property);
 	}
 
@@ -498,8 +496,8 @@ int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data,
 		goto err_clear;
 	}
 
-	DRM_DEBUG_KMS("%s:created prop_id[%d]cmd[%d]ippdrv[0x%x]\n",
-		__func__, property->prop_id, property->cmd, (int)ippdrv);
+	DRM_DEBUG_KMS("created prop_id[%d]cmd[%d]ippdrv[0x%x]\n",
+		property->prop_id, property->cmd, (int)ippdrv);
 
 	/* stored property information and ippdrv in private data */
 	c_node->priv = priv;
@@ -584,20 +582,19 @@ static int ipp_check_mem_list(struct drm_exynos_ipp_cmd_node *c_node)
 		head = &c_node->mem_list[i];
 
 		if (list_empty(head)) {
-			DRM_DEBUG_KMS("%s:%s memory empty.\n", __func__,
-				i ? "dst" : "src");
+			DRM_DEBUG_KMS("%s memory empty.\n", i ? "dst" : "src");
 			continue;
 		}
 
 		/* find memory node entry */
 		list_for_each_entry(m_node, head, list) {
-			DRM_DEBUG_KMS("%s:%s,count[%d]m_node[0x%x]\n", __func__,
+			DRM_DEBUG_KMS("%s,count[%d]m_node[0x%x]\n",
 				i ? "dst" : "src", count[i], (int)m_node);
 			count[i]++;
 		}
 	}
 
-	DRM_DEBUG_KMS("%s:min[%d]max[%d]\n", __func__,
+	DRM_DEBUG_KMS("min[%d]max[%d]\n",
 		min(count[EXYNOS_DRM_OPS_SRC], count[EXYNOS_DRM_OPS_DST]),
 		max(count[EXYNOS_DRM_OPS_SRC], count[EXYNOS_DRM_OPS_DST]));
 
@@ -626,15 +623,14 @@ static struct drm_exynos_ipp_mem_node
 	struct list_head *head;
 	int count = 0;
 
-	DRM_DEBUG_KMS("%s:buf_id[%d]\n", __func__, qbuf->buf_id);
+	DRM_DEBUG_KMS("buf_id[%d]\n", qbuf->buf_id);
 
 	/* source/destination memory list */
 	head = &c_node->mem_list[qbuf->ops_id];
 
 	/* find memory node from memory list */
 	list_for_each_entry(m_node, head, list) {
-		DRM_DEBUG_KMS("%s:count[%d]m_node[0x%x]\n",
-			__func__, count++, (int)m_node);
+		DRM_DEBUG_KMS("count[%d]m_node[0x%x]\n", count++, (int)m_node);
 
 		/* compare buffer id */
 		if (m_node->buf_id == qbuf->buf_id)
@@ -651,7 +647,7 @@ static int ipp_set_mem_node(struct exynos_drm_ippdrv *ippdrv,
 	struct exynos_drm_ipp_ops *ops = NULL;
 	int ret = 0;
 
-	DRM_DEBUG_KMS("%s:node[0x%x]\n", __func__, (int)m_node);
+	DRM_DEBUG_KMS("node[0x%x]\n", (int)m_node);
 
 	if (!m_node) {
 		DRM_ERROR("invalid queue node.\n");
@@ -660,7 +656,7 @@ static int ipp_set_mem_node(struct exynos_drm_ippdrv *ippdrv,
 
 	mutex_lock(&c_node->mem_lock);
 
-	DRM_DEBUG_KMS("%s:ops_id[%d]\n", __func__, m_node->ops_id);
+	DRM_DEBUG_KMS("ops_id[%d]\n", m_node->ops_id);
 
 	/* get operations callback */
 	ops = ippdrv->ops[m_node->ops_id];
@@ -712,14 +708,11 @@ static struct drm_exynos_ipp_mem_node
 	m_node->prop_id = qbuf->prop_id;
 	m_node->buf_id = qbuf->buf_id;
 
-	DRM_DEBUG_KMS("%s:m_node[0x%x]ops_id[%d]\n", __func__,
-		(int)m_node, qbuf->ops_id);
-	DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]\n", __func__,
-		qbuf->prop_id, m_node->buf_id);
+	DRM_DEBUG_KMS("m_node[0x%x]ops_id[%d]\n", (int)m_node, qbuf->ops_id);
+	DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]\n", qbuf->prop_id, m_node->buf_id);
 
 	for_each_ipp_planar(i) {
-		DRM_DEBUG_KMS("%s:i[%d]handle[0x%x]\n", __func__,
-			i, qbuf->handle[i]);
+		DRM_DEBUG_KMS("i[%d]handle[0x%x]\n", i, qbuf->handle[i]);
 
 		/* get dma address by handle */
 		if (qbuf->handle[i]) {
@@ -732,9 +725,8 @@ static struct drm_exynos_ipp_mem_node
 
 			buf_info.handles[i] = qbuf->handle[i];
 			buf_info.base[i] = *(dma_addr_t *) addr;
-			DRM_DEBUG_KMS("%s:i[%d]base[0x%x]hd[0x%x]\n",
-				__func__, i, buf_info.base[i],
-				(int)buf_info.handles[i]);
+			DRM_DEBUG_KMS("i[%d]base[0x%x]hd[0x%x]\n",
+				i, buf_info.base[i], (int)buf_info.handles[i]);
 		}
 	}
 
@@ -758,7 +750,7 @@ static int ipp_put_mem_node(struct drm_device *drm_dev,
 {
 	int i;
 
-	DRM_DEBUG_KMS("%s:node[0x%x]\n", __func__, (int)m_node);
+	DRM_DEBUG_KMS("node[0x%x]\n", (int)m_node);
 
 	if (!m_node) {
 		DRM_ERROR("invalid dequeue node.\n");
@@ -772,7 +764,7 @@ static int ipp_put_mem_node(struct drm_device *drm_dev,
 
 	mutex_lock(&c_node->mem_lock);
 
-	DRM_DEBUG_KMS("%s:ops_id[%d]\n", __func__, m_node->ops_id);
+	DRM_DEBUG_KMS("ops_id[%d]\n", m_node->ops_id);
 
 	/* put gem buffer */
 	for_each_ipp_planar(i) {
@@ -804,8 +796,7 @@ static int ipp_get_event(struct drm_device *drm_dev,
 	struct drm_exynos_ipp_send_event *e;
 	unsigned long flags;
 
-	DRM_DEBUG_KMS("%s:ops_id[%d]buf_id[%d]\n", __func__,
-		qbuf->ops_id, qbuf->buf_id);
+	DRM_DEBUG_KMS("ops_id[%d]buf_id[%d]\n", qbuf->ops_id, qbuf->buf_id);
 
 	e = kzalloc(sizeof(*e), GFP_KERNEL);
 
@@ -838,13 +829,12 @@ static void ipp_put_event(struct drm_exynos_ipp_cmd_node *c_node,
 	int count = 0;
 
 	if (list_empty(&c_node->event_list)) {
-		DRM_DEBUG_KMS("%s:event_list is empty.\n", __func__);
+		DRM_DEBUG_KMS("event_list is empty.\n");
 		return;
 	}
 
 	list_for_each_entry_safe(e, te, &c_node->event_list, base.link) {
-		DRM_DEBUG_KMS("%s:count[%d]e[0x%x]\n",
-			__func__, count++, (int)e);
+		DRM_DEBUG_KMS("count[%d]e[0x%x]\n", count++, (int)e);
 
 		/*
 		 * quf == NULL condition means all event deletion.
@@ -905,12 +895,12 @@ static int ipp_queue_buf_with_run(struct device *dev,
 	property = &c_node->property;
 
 	if (c_node->state != IPP_STATE_START) {
-		DRM_DEBUG_KMS("%s:bypass for invalid state.\n" , __func__);
+		DRM_DEBUG_KMS("bypass for invalid state.\n");
 		return 0;
 	}
 
 	if (!ipp_check_mem_list(c_node)) {
-		DRM_DEBUG_KMS("%s:empty memory.\n", __func__);
+		DRM_DEBUG_KMS("empty memory.\n");
 		return 0;
 	}
 
@@ -973,8 +963,8 @@ int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, void *data,
 		return -EINVAL;
 	}
 
-	DRM_DEBUG_KMS("%s:prop_id[%d]ops_id[%s]buf_id[%d]buf_type[%d]\n",
-		__func__, qbuf->prop_id, qbuf->ops_id ? "dst" : "src",
+	DRM_DEBUG_KMS("prop_id[%d]ops_id[%s]buf_id[%d]buf_type[%d]\n",
+		qbuf->prop_id, qbuf->ops_id ? "dst" : "src",
 		qbuf->buf_id, qbuf->buf_type);
 
 	/* find command node */
@@ -1106,7 +1096,7 @@ int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev, void *data,
 		return -EINVAL;
 	}
 
-	DRM_DEBUG_KMS("%s:ctrl[%d]prop_id[%d]\n", __func__,
+	DRM_DEBUG_KMS("ctrl[%d]prop_id[%d]\n",
 		cmd_ctrl->ctrl, cmd_ctrl->prop_id);
 
 	ippdrv = ipp_find_drv_by_handle(cmd_ctrl->prop_id);
@@ -1181,7 +1171,7 @@ int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev, void *data,
 		return -EINVAL;
 	}
 
-	DRM_DEBUG_KMS("%s:done ctrl[%d]prop_id[%d]\n", __func__,
+	DRM_DEBUG_KMS("done ctrl[%d]prop_id[%d]\n",
 		cmd_ctrl->ctrl, cmd_ctrl->prop_id);
 
 	return 0;
@@ -1217,7 +1207,7 @@ static int ipp_set_property(struct exynos_drm_ippdrv *ippdrv,
 		return -EINVAL;
 	}
 
-	DRM_DEBUG_KMS("%s:prop_id[%d]\n", __func__, property->prop_id);
+	DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id);
 
 	/* reset h/w block */
 	if (ippdrv->reset &&
@@ -1278,13 +1268,13 @@ static int ipp_start_property(struct exynos_drm_ippdrv *ippdrv,
 	struct list_head *head;
 	int ret, i;
 
-	DRM_DEBUG_KMS("%s:prop_id[%d]\n", __func__, property->prop_id);
+	DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id);
 
 	/* store command info in ippdrv */
 	ippdrv->c_node = c_node;
 
 	if (!ipp_check_mem_list(c_node)) {
-		DRM_DEBUG_KMS("%s:empty memory.\n", __func__);
+		DRM_DEBUG_KMS("empty memory.\n");
 		return -ENOMEM;
 	}
 
@@ -1311,8 +1301,7 @@ static int ipp_start_property(struct exynos_drm_ippdrv *ippdrv,
 				return ret;
 			}
 
-			DRM_DEBUG_KMS("%s:m_node[0x%x]\n",
-				__func__, (int)m_node);
+			DRM_DEBUG_KMS("m_node[0x%x]\n", (int)m_node);
 
 			ret = ipp_set_mem_node(ippdrv, c_node, m_node);
 			if (ret) {
@@ -1350,7 +1339,7 @@ static int ipp_start_property(struct exynos_drm_ippdrv *ippdrv,
 		return -EINVAL;
 	}
 
-	DRM_DEBUG_KMS("%s:cmd[%d]\n", __func__, property->cmd);
+	DRM_DEBUG_KMS("cmd[%d]\n", property->cmd);
 
 	/* start operations */
 	if (ippdrv->start) {
@@ -1373,7 +1362,7 @@ static int ipp_stop_property(struct drm_device *drm_dev,
 	struct list_head *head;
 	int ret = 0, i;
 
-	DRM_DEBUG_KMS("%s:prop_id[%d]\n", __func__, property->prop_id);
+	DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id);
 
 	/* put event */
 	ipp_put_event(c_node, NULL);
@@ -1386,8 +1375,7 @@ static int ipp_stop_property(struct drm_device *drm_dev,
 			head = &c_node->mem_list[i];
 
 			if (list_empty(head)) {
-				DRM_DEBUG_KMS("%s:mem_list is empty.\n",
-					__func__);
+				DRM_DEBUG_KMS("mem_list is empty.\n");
 				break;
 			}
 
@@ -1407,7 +1395,7 @@ static int ipp_stop_property(struct drm_device *drm_dev,
 		head = &c_node->mem_list[EXYNOS_DRM_OPS_DST];
 
 		if (list_empty(head)) {
-			DRM_DEBUG_KMS("%s:mem_list is empty.\n", __func__);
+			DRM_DEBUG_KMS("mem_list is empty.\n");
 			break;
 		}
 
@@ -1424,7 +1412,7 @@ static int ipp_stop_property(struct drm_device *drm_dev,
 		head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC];
 
 		if (list_empty(head)) {
-			DRM_DEBUG_KMS("%s:mem_list is empty.\n", __func__);
+			DRM_DEBUG_KMS("mem_list is empty.\n");
 			break;
 		}
 
@@ -1516,7 +1504,7 @@ void ipp_sched_cmd(struct work_struct *work)
 		break;
 	}
 
-	DRM_DEBUG_KMS("%s:ctrl[%d] done.\n", __func__, cmd_work->ctrl);
+	DRM_DEBUG_KMS("ctrl[%d] done.\n", cmd_work->ctrl);
 
 err_unlock:
 	mutex_unlock(&c_node->cmd_lock);
@@ -1537,8 +1525,7 @@ static int ipp_send_event(struct exynos_drm_ippdrv *ippdrv,
 	int ret, i;
 
 	for_each_ipp_ops(i)
-		DRM_DEBUG_KMS("%s:%s buf_id[%d]\n", __func__,
-			i ? "dst" : "src", buf_id[i]);
+		DRM_DEBUG_KMS("%s buf_id[%d]\n", i ? "dst" : "src", buf_id[i]);
 
 	if (!drm_dev) {
 		DRM_ERROR("failed to get drm_dev.\n");
@@ -1551,12 +1538,12 @@ static int ipp_send_event(struct exynos_drm_ippdrv *ippdrv,
 	}
 
 	if (list_empty(&c_node->event_list)) {
-		DRM_DEBUG_KMS("%s:event list is empty.\n", __func__);
+		DRM_DEBUG_KMS("event list is empty.\n");
 		return 0;
 	}
 
 	if (!ipp_check_mem_list(c_node)) {
-		DRM_DEBUG_KMS("%s:empty memory.\n", __func__);
+		DRM_DEBUG_KMS("empty memory.\n");
 		return 0;
 	}
 
@@ -1575,7 +1562,7 @@ static int ipp_send_event(struct exynos_drm_ippdrv *ippdrv,
 			}
 
 			tbuf_id[i] = m_node->buf_id;
-			DRM_DEBUG_KMS("%s:%s buf_id[%d]\n", __func__,
+			DRM_DEBUG_KMS("%s buf_id[%d]\n",
 				i ? "dst" : "src", tbuf_id[i]);
 
 			ret = ipp_put_mem_node(drm_dev, c_node, m_node);
@@ -1643,8 +1630,7 @@ static int ipp_send_event(struct exynos_drm_ippdrv *ippdrv,
 	}
 
 	do_gettimeofday(&now);
-	DRM_DEBUG_KMS("%s:tv_sec[%ld]tv_usec[%ld]\n"
-		, __func__, now.tv_sec, now.tv_usec);
+	DRM_DEBUG_KMS("tv_sec[%ld]tv_usec[%ld]\n", now.tv_sec, now.tv_usec);
 	e->event.tv_sec = now.tv_sec;
 	e->event.tv_usec = now.tv_usec;
 	e->event.prop_id = property->prop_id;
@@ -1658,7 +1644,7 @@ static int ipp_send_event(struct exynos_drm_ippdrv *ippdrv,
 	wake_up_interruptible(&e->base.file_priv->event_wait);
 	spin_unlock_irqrestore(&drm_dev->event_lock, flags);
 
-	DRM_DEBUG_KMS("%s:done cmd[%d]prop_id[%d]buf_id[%d]\n", __func__,
+	DRM_DEBUG_KMS("done cmd[%d]prop_id[%d]buf_id[%d]\n",
 		property->cmd, property->prop_id, tbuf_id[EXYNOS_DRM_OPS_DST]);
 
 	return 0;
@@ -1677,8 +1663,7 @@ void ipp_sched_event(struct work_struct *work)
 		return;
 	}
 
-	DRM_DEBUG_KMS("%s:buf_id[%d]\n", __func__,
-		event_work->buf_id[EXYNOS_DRM_OPS_DST]);
+	DRM_DEBUG_KMS("buf_id[%d]\n", event_work->buf_id[EXYNOS_DRM_OPS_DST]);
 
 	ippdrv = event_work->ippdrv;
 	if (!ippdrv) {
@@ -1699,8 +1684,8 @@ void ipp_sched_event(struct work_struct *work)
 	 * or going out operations.
 	 */
 	if (c_node->state != IPP_STATE_START) {
-		DRM_DEBUG_KMS("%s:bypass state[%d]prop_id[%d]\n",
-			__func__, c_node->state, c_node->property.prop_id);
+		DRM_DEBUG_KMS("bypass state[%d]prop_id[%d]\n",
+			c_node->state, c_node->property.prop_id);
 		goto err_completion;
 	}
 
@@ -1736,7 +1721,7 @@ static int ipp_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
 			goto err_idr;
 		}
 
-		DRM_DEBUG_KMS("%s:count[%d]ippdrv[0x%x]ipp_id[%d]\n", __func__,
+		DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]ipp_id[%d]\n",
 			count++, (int)ippdrv, ippdrv->ipp_id);
 
 		if (ippdrv->ipp_id == 0) {
@@ -1806,7 +1791,7 @@ static int ipp_subdrv_open(struct drm_device *drm_dev, struct device *dev,
 
 	INIT_LIST_HEAD(&priv->event_list);
 
-	DRM_DEBUG_KMS("%s:done priv[0x%x]\n", __func__, (int)priv);
+	DRM_DEBUG_KMS("done priv[0x%x]\n", (int)priv);
 
 	return 0;
 }
@@ -1820,10 +1805,10 @@ static void ipp_subdrv_close(struct drm_device *drm_dev, struct device *dev,
 	struct drm_exynos_ipp_cmd_node *c_node, *tc_node;
 	int count = 0;
 
-	DRM_DEBUG_KMS("%s:for priv[0x%x]\n", __func__, (int)priv);
+	DRM_DEBUG_KMS("for priv[0x%x]\n", (int)priv);
 
 	if (list_empty(&exynos_drm_ippdrv_list)) {
-		DRM_DEBUG_KMS("%s:ippdrv_list is empty.\n", __func__);
+		DRM_DEBUG_KMS("ippdrv_list is empty.\n");
 		goto err_clear;
 	}
 
@@ -1833,8 +1818,8 @@ static void ipp_subdrv_close(struct drm_device *drm_dev, struct device *dev,
 
 		list_for_each_entry_safe(c_node, tc_node,
 			&ippdrv->cmd_list, list) {
-			DRM_DEBUG_KMS("%s:count[%d]ippdrv[0x%x]\n",
-				__func__, count++, (int)ippdrv);
+			DRM_DEBUG_KMS("count[%d]ippdrv[0x%x]\n",
+				count++, (int)ippdrv);
 
 			if (c_node->priv == priv) {
 				/*
@@ -1955,7 +1940,7 @@ static int ipp_remove(struct platform_device *pdev)
 
 static int ipp_power_ctrl(struct ipp_context *ctx, bool enable)
 {
-	DRM_DEBUG_KMS("%s:enable[%d]\n", __func__, enable);
+	DRM_DEBUG_KMS("enable[%d]\n", enable);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
index b811e5c..427640a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
@@ -244,7 +244,7 @@ static int rotator_src_set_size(struct device *dev, int swap,
 	/* Get format */
 	fmt = rotator_reg_get_fmt(rot);
 	if (!rotator_check_reg_fmt(fmt)) {
-		DRM_ERROR("%s:invalid format.\n", __func__);
+		DRM_ERROR("invalid format.\n");
 		return -EINVAL;
 	}
 
@@ -287,7 +287,7 @@ static int rotator_src_set_addr(struct device *dev,
 		/* Get format */
 		fmt = rotator_reg_get_fmt(rot);
 		if (!rotator_check_reg_fmt(fmt)) {
-			DRM_ERROR("%s:invalid format.\n", __func__);
+			DRM_ERROR("invalid format.\n");
 			return -EINVAL;
 		}
 
@@ -381,7 +381,7 @@ static int rotator_dst_set_size(struct device *dev, int swap,
 	/* Get format */
 	fmt = rotator_reg_get_fmt(rot);
 	if (!rotator_check_reg_fmt(fmt)) {
-		DRM_ERROR("%s:invalid format.\n", __func__);
+		DRM_ERROR("invalid format.\n");
 		return -EINVAL;
 	}
 
@@ -422,7 +422,7 @@ static int rotator_dst_set_addr(struct device *dev,
 		/* Get format */
 		fmt = rotator_reg_get_fmt(rot);
 		if (!rotator_check_reg_fmt(fmt)) {
-			DRM_ERROR("%s:invalid format.\n", __func__);
+			DRM_ERROR("invalid format.\n");
 			return -EINVAL;
 		}
 
@@ -500,7 +500,7 @@ static inline bool rotator_check_drm_fmt(u32 fmt)
 	case DRM_FORMAT_NV12:
 		return true;
 	default:
-		DRM_DEBUG_KMS("%s:not support format\n", __func__);
+		DRM_DEBUG_KMS("not support format\n");
 		return false;
 	}
 }
@@ -514,7 +514,7 @@ static inline bool rotator_check_drm_flip(enum drm_exynos_flip flip)
 	case EXYNOS_DRM_FLIP_BOTH:
 		return true;
 	default:
-		DRM_DEBUG_KMS("%s:invalid flip\n", __func__);
+		DRM_DEBUG_KMS("invalid flip\n");
 		return false;
 	}
 }
@@ -534,19 +534,18 @@ static int rotator_ippdrv_check_property(struct device *dev,
 
 	/* Check format configuration */
 	if (src_config->fmt != dst_config->fmt) {
-		DRM_DEBUG_KMS("%s:not support csc feature\n", __func__);
+		DRM_DEBUG_KMS("not support csc feature\n");
 		return -EINVAL;
 	}
 
 	if (!rotator_check_drm_fmt(dst_config->fmt)) {
-		DRM_DEBUG_KMS("%s:invalid format\n", __func__);
+		DRM_DEBUG_KMS("invalid format\n");
 		return -EINVAL;
 	}
 
 	/* Check transform configuration */
 	if (src_config->degree != EXYNOS_DRM_DEGREE_0) {
-		DRM_DEBUG_KMS("%s:not support source-side rotation\n",
-			__func__);
+		DRM_DEBUG_KMS("not support source-side rotation\n");
 		return -EINVAL;
 	}
 
@@ -559,51 +558,47 @@ static int rotator_ippdrv_check_property(struct device *dev,
 		/* No problem */
 		break;
 	default:
-		DRM_DEBUG_KMS("%s:invalid degree\n", __func__);
+		DRM_DEBUG_KMS("invalid degree\n");
 		return -EINVAL;
 	}
 
 	if (src_config->flip != EXYNOS_DRM_FLIP_NONE) {
-		DRM_DEBUG_KMS("%s:not support source-side flip\n", __func__);
+		DRM_DEBUG_KMS("not support source-side flip\n");
 		return -EINVAL;
 	}
 
 	if (!rotator_check_drm_flip(dst_config->flip)) {
-		DRM_DEBUG_KMS("%s:invalid flip\n", __func__);
+		DRM_DEBUG_KMS("invalid flip\n");
 		return -EINVAL;
 	}
 
 	/* Check size configuration */
 	if ((src_pos->x + src_pos->w > src_sz->hsize) ||
 		(src_pos->y + src_pos->h > src_sz->vsize)) {
-		DRM_DEBUG_KMS("%s:out of source buffer bound\n", __func__);
+		DRM_DEBUG_KMS("out of source buffer bound\n");
 		return -EINVAL;
 	}
 
 	if (swap) {
 		if ((dst_pos->x + dst_pos->h > dst_sz->vsize) ||
 			(dst_pos->y + dst_pos->w > dst_sz->hsize)) {
-			DRM_DEBUG_KMS("%s:out of destination buffer bound\n",
-				__func__);
+			DRM_DEBUG_KMS("out of destination buffer bound\n");
 			return -EINVAL;
 		}
 
 		if ((src_pos->w != dst_pos->h) || (src_pos->h != dst_pos->w)) {
-			DRM_DEBUG_KMS("%s:not support scale feature\n",
-				__func__);
+			DRM_DEBUG_KMS("not support scale feature\n");
 			return -EINVAL;
 		}
 	} else {
 		if ((dst_pos->x + dst_pos->w > dst_sz->hsize) ||
 			(dst_pos->y + dst_pos->h > dst_sz->vsize)) {
-			DRM_DEBUG_KMS("%s:out of destination buffer bound\n",
-				__func__);
+			DRM_DEBUG_KMS("out of destination buffer bound\n");
 			return -EINVAL;
 		}
 
 		if ((src_pos->w != dst_pos->w) || (src_pos->h != dst_pos->h)) {
-			DRM_DEBUG_KMS("%s:not support scale feature\n",
-				__func__);
+			DRM_DEBUG_KMS("not support scale feature\n");
 			return -EINVAL;
 		}
 	}
@@ -691,7 +686,7 @@ static int rotator_probe(struct platform_device *pdev)
 		goto err_ippdrv_register;
 	}
 
-	DRM_DEBUG_KMS("%s:ippdrv[0x%x]\n", __func__, (int)ippdrv);
+	DRM_DEBUG_KMS("ippdrv[0x%x]\n", (int)ippdrv);
 
 	platform_set_drvdata(pdev, rot);
 
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index ebec619..1a403ac 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1633,8 +1633,8 @@ static void hdmi_mode_set(void *ctx, void *mode)
 	struct hdmi_context *hdata = ctx;
 	struct drm_display_mode *m = mode;
 
-	DRM_DEBUG_KMS("[%s]: xres=%d, yres=%d, refresh=%d, intl=%s\n",
-		__func__, m->hdisplay, m->vdisplay,
+	DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%s\n",
+		m->hdisplay, m->vdisplay,
 		m->vrefresh, (m->flags & DRM_MODE_FLAG_INTERLACE) ?
 		"INTERLACED" : "PROGERESSIVE");
 
@@ -1722,7 +1722,7 @@ static void hdmi_dpms(void *ctx, int mode)
 {
 	struct hdmi_context *hdata = ctx;
 
-	DRM_DEBUG_KMS("[%d] %s mode %d\n", __LINE__, __func__, mode);
+	DRM_DEBUG_KMS("mode %d\n", mode);
 
 	switch (mode) {
 	case DRM_MODE_DPMS_ON:
@@ -2072,7 +2072,7 @@ static int hdmi_suspend(struct device *dev)
 		drm_helper_hpd_irq_event(ctx->drm_dev);
 
 	if (pm_runtime_suspended(dev)) {
-		DRM_DEBUG_KMS("%s : Already suspended\n", __func__);
+		DRM_DEBUG_KMS("Already suspended\n");
 		return 0;
 	}
 
@@ -2091,7 +2091,7 @@ static int hdmi_resume(struct device *dev)
 	enable_irq(hdata->irq);
 
 	if (!pm_runtime_suspended(dev)) {
-		DRM_DEBUG_KMS("%s : Already resumed\n", __func__);
+		DRM_DEBUG_KMS("Already resumed\n");
 		return 0;
 	}
 
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 1f05a25..b67b65f 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -770,7 +770,7 @@ static void mixer_win_commit(void *ctx, int win)
 {
 	struct mixer_context *mixer_ctx = ctx;
 
-	DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win);
+	DRM_DEBUG_KMS("win: %d\n", win);
 
 	mutex_lock(&mixer_ctx->mixer_mutex);
 	if (!mixer_ctx->powered) {
@@ -793,7 +793,7 @@ static void mixer_win_disable(void *ctx, int win)
 	struct mixer_resources *res = &mixer_ctx->mixer_res;
 	unsigned long flags;
 
-	DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win);
+	DRM_DEBUG_KMS("win: %d\n", win);
 
 	mutex_lock(&mixer_ctx->mixer_mutex);
 	if (!mixer_ctx->powered) {
@@ -821,8 +821,8 @@ static int mixer_check_timing(void *ctx, struct fb_videomode *timing)
 	w = timing->xres;
 	h = timing->yres;
 
-	DRM_DEBUG_KMS("%s : xres=%d, yres=%d, refresh=%d, intl=%d\n",
-		__func__, timing->xres, timing->yres,
+	DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d\n",
+		timing->xres, timing->yres,
 		timing->refresh, (timing->vmode &
 		FB_VMODE_INTERLACED) ? true : false);
 
@@ -1239,7 +1239,7 @@ static int mixer_suspend(struct device *dev)
 	struct mixer_context *ctx = drm_hdmi_ctx->ctx;
 
 	if (pm_runtime_suspended(dev)) {
-		DRM_DEBUG_KMS("%s : Already suspended\n", __func__);
+		DRM_DEBUG_KMS("Already suspended\n");
 		return 0;
 	}
 
@@ -1254,7 +1254,7 @@ static int mixer_resume(struct device *dev)
 	struct mixer_context *ctx = drm_hdmi_ctx->ctx;
 
 	if (!pm_runtime_suspended(dev)) {
-		DRM_DEBUG_KMS("%s : Already resumed\n", __func__);
+		DRM_DEBUG_KMS("Already resumed\n");
 		return 0;
 	}
 
