Message-Id: <20220523104758.29531-15-granquet@baylibre.com>
Date:   Mon, 23 May 2022 12:47:47 +0200
From:   Guillaume Ranquet <granquet@...libre.com>
To:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>, Helge Deller <deller@....de>,
        CK Hu <ck.hu@...iatek.com>, Jitao shi <jitao.shi@...iatek.com>
Cc:     Markus Schneider-Pargmann <msp@...libre.com>,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-phy@...ts.infradead.org, linux-fbdev@...r.kernel.org
Subject: [PATCH v10 14/21] drm/mediatek: dpi: Add dpintf support

dpintf is the displayport interface hardware unit. This unit is similar
to dpi and can reuse most of the code.

This patch adds support for mt8195-dpintf to this dpi driver. Main
differences are:
 - Some features/functional components are not available for dpintf
   which are now excluded from code execution once is_dpintf is set
 - dpintf can and needs to choose between different clockdividers based
   on the clockspeed. This is done by choosing a different clock parent.
 - There are two additional clocks that need to be managed. These are
   only set for dpintf and will be set to NULL if not supplied. The
   clk_* calls handle these as normal clocks then.
 - Some register contents differ slightly between the two components. To
   work around this I added register bits/masks with a DPINTF_ prefix
   and use them where different.

Based on a separate driver for dpintf created by
Jason-JH.Lin <jason-jh.lin@...iatek.com>.

Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>
Signed-off-by: Guillaume Ranquet <granquet@...libre.com>
---
 drivers/gpu/drm/mediatek/mtk_dpi.c          | 126 +++++++++++++++++---
 drivers/gpu/drm/mediatek/mtk_dpi_regs.h     |  35 ++++++
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c |   8 ++
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h |   1 +
 drivers/gpu/drm/mediatek/mtk_drm_drv.c      |   5 +-
 include/linux/soc/mediatek/mtk-mmsys.h      |   4 +-
 6 files changed, 159 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index eb969c5c5c2e..763bfb700135 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -71,6 +71,7 @@ struct mtk_dpi {
 	void __iomem *regs;
 	struct device *dev;
 	struct clk *engine_clk;
+	struct clk *dpi_ck_cg;
 	struct clk *pixel_clk;
 	struct clk *tvd_clk;
 	int irq;
@@ -126,6 +127,7 @@ struct mtk_dpi_conf {
 	const u32 *output_fmts;
 	u32 num_output_fmts;
 	bool is_ck_de_pol;
+	bool is_dpintf;
 	bool swap_input_support;
 	/* Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and VSYNC_PORCH (no shift) */
 	u32 dimension_mask;
@@ -438,6 +440,8 @@ static void mtk_dpi_power_off(struct mtk_dpi *dpi)
 	mtk_dpi_disable(dpi);
 	clk_disable_unprepare(dpi->pixel_clk);
 	clk_disable_unprepare(dpi->engine_clk);
+	clk_disable_unprepare(dpi->dpi_ck_cg);
+	clk_disable_unprepare(dpi->tvd_clk);
 }
 
 static int mtk_dpi_power_on(struct mtk_dpi *dpi)
@@ -447,12 +451,24 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi)
 	if (++dpi->refcount != 1)
 		return 0;
 
+	ret = clk_prepare_enable(dpi->tvd_clk);
+	if (ret) {
+		dev_err(dpi->dev, "Failed to enable tvd pll: %d\n", ret);
+		goto err_pixel;
+	}
+
 	ret = clk_prepare_enable(dpi->engine_clk);
 	if (ret) {
 		dev_err(dpi->dev, "Failed to enable engine clock: %d\n", ret);
 		goto err_refcount;
 	}
 
+	ret = clk_prepare_enable(dpi->dpi_ck_cg);
+	if (ret) {
+		dev_err(dpi->dev, "Failed to enable dpi_ck_cg clock: %d\n", ret);
+		goto err_ck_cg;
+	}
+
 	ret = clk_prepare_enable(dpi->pixel_clk);
 	if (ret) {
 		dev_err(dpi->dev, "Failed to enable pixel clock: %d\n", ret);
@@ -466,6 +482,8 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi)
 	return 0;
 
 err_pixel:
+	clk_disable_unprepare(dpi->dpi_ck_cg);
+err_ck_cg:
 	clk_disable_unprepare(dpi->engine_clk);
 err_refcount:
 	dpi->refcount--;
@@ -498,11 +516,11 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi,
 
 	vm.pixelclock = pll_rate / factor;
 	if ((dpi->output_fmt == MEDIA_BUS_FMT_RGB888_2X12_LE) ||
-	    (dpi->output_fmt == MEDIA_BUS_FMT_RGB888_2X12_BE))
+		 (dpi->output_fmt == MEDIA_BUS_FMT_RGB888_2X12_BE)) {
 		clk_set_rate(dpi->pixel_clk, vm.pixelclock * 2);
-	else
+	} else {
 		clk_set_rate(dpi->pixel_clk, vm.pixelclock);
-
+	}
 
 	vm.pixelclock = clk_get_rate(dpi->pixel_clk);
 
@@ -515,9 +533,15 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi,
 			    MTK_DPI_POLARITY_FALLING : MTK_DPI_POLARITY_RISING;
 	dpi_pol.vsync_pol = vm.flags & DISPLAY_FLAGS_VSYNC_HIGH ?
 			    MTK_DPI_POLARITY_FALLING : MTK_DPI_POLARITY_RISING;
-	hsync.sync_width = vm.hsync_len;
-	hsync.back_porch = vm.hback_porch;
-	hsync.front_porch = vm.hfront_porch;
+	if (dpi->conf->is_dpintf) {
+		hsync.sync_width = vm.hsync_len / 4;
+		hsync.back_porch = vm.hback_porch / 4;
+		hsync.front_porch = vm.hfront_porch / 4;
+	} else {
+		hsync.sync_width = vm.hsync_len;
+		hsync.back_porch = vm.hback_porch;
+		hsync.front_porch = vm.hfront_porch;
+	}
 	hsync.shift_half_line = false;
 	vsync_lodd.sync_width = vm.vsync_len;
 	vsync_lodd.back_porch = vm.vback_porch;
@@ -559,13 +583,20 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi,
 	mtk_dpi_config_channel_limit(dpi);
 	mtk_dpi_config_bit_num(dpi, dpi->bit_num);
 	mtk_dpi_config_channel_swap(dpi, dpi->channel_swap);
-	mtk_dpi_config_yc_map(dpi, dpi->yc_map);
 	mtk_dpi_config_color_format(dpi, dpi->color_format);
-	mtk_dpi_config_2n_h_fre(dpi);
-	mtk_dpi_dual_edge(dpi);
-	mtk_dpi_config_disable_edge(dpi);
+	if (dpi->conf->is_dpintf) {
+		mtk_dpi_mask(dpi, DPI_CON, DPINTF_INPUT_2P_EN,
+			     DPINTF_INPUT_2P_EN);
+	} else {
+		mtk_dpi_config_yc_map(dpi, dpi->yc_map);
+		mtk_dpi_config_2n_h_fre(dpi);
+		mtk_dpi_dual_edge(dpi);
+		mtk_dpi_config_disable_edge(dpi);
+	}
 	mtk_dpi_sw_reset(dpi, false);
 
+	mtk_dpi_enable(dpi);
+
 	return 0;
 }
 
@@ -608,7 +639,6 @@ static u32 *mtk_dpi_bridge_atomic_get_input_bus_fmts(struct drm_bridge *bridge,
 	u32 *input_fmts;
 
 	*num_input_fmts = 0;
-
 	input_fmts = kcalloc(1, sizeof(*input_fmts),
 			     GFP_KERNEL);
 	if (!input_fmts)
@@ -634,15 +664,18 @@ static int mtk_dpi_bridge_atomic_check(struct drm_bridge *bridge,
 		if (dpi->conf->num_output_fmts)
 			out_bus_format = dpi->conf->output_fmts[0];
 
-	dev_dbg(dpi->dev, "input format 0x%04x, output format 0x%04x\n",
-		bridge_state->input_bus_cfg.format,
-		bridge_state->output_bus_cfg.format);
+	dev_info(dpi->dev, "input format 0x%04x, output format 0x%04x\n",
+		 bridge_state->input_bus_cfg.format,
+		 bridge_state->output_bus_cfg.format);
 
 	dpi->output_fmt = out_bus_format;
 	dpi->bit_num = MTK_DPI_OUT_BIT_NUM_8BITS;
 	dpi->channel_swap = MTK_DPI_OUT_CHANNEL_SWAP_RGB;
 	dpi->yc_map = MTK_DPI_OUT_YC_MAP_RGB;
-	dpi->color_format = MTK_DPI_COLOR_FORMAT_RGB;
+	if (out_bus_format == MEDIA_BUS_FMT_YUYV8_1X16)
+		dpi->color_format = MTK_DPI_COLOR_FORMAT_YCBCR_422_FULL;
+	else
+		dpi->color_format = MTK_DPI_COLOR_FORMAT_RGB;
 
 	return 0;
 }
@@ -687,7 +720,7 @@ mtk_dpi_bridge_mode_valid(struct drm_bridge *bridge,
 {
 	struct mtk_dpi *dpi = bridge_to_dpi(bridge);
 
-	if (mode->clock > dpi->conf->max_clock_khz)
+	if (dpi->conf->max_clock_khz && mode->clock > dpi->conf->max_clock_khz)
 		return MODE_CLOCK_HIGH;
 
 	return MODE_OK;
@@ -801,6 +834,16 @@ static unsigned int mt8183_calculate_factor(int clock)
 		return 2;
 }
 
+static unsigned int mt8195_dpintf_calculate_factor(int clock)
+{
+	if (clock < 70000)
+		return 4;
+	else if (clock < 200000)
+		return 2;
+	else
+		return 1;
+}
+
 static const u32 mt8173_output_fmts[] = {
 	MEDIA_BUS_FMT_RGB888_1X24,
 };
@@ -810,6 +853,12 @@ static const u32 mt8183_output_fmts[] = {
 	MEDIA_BUS_FMT_RGB888_2X12_BE,
 };
 
+static const u32 mt8195_output_fmts[] = {
+	MEDIA_BUS_FMT_RGB888_1X24,
+	MEDIA_BUS_FMT_YUV8_1X24,
+	MEDIA_BUS_FMT_YUYV8_1X16,
+};
+
 static const struct mtk_dpi_yc_limit mtk_dpi_limit = {
 	.c_bottom = 0x0010,
 	.c_top = 0x0FE0,
@@ -817,6 +866,13 @@ static const struct mtk_dpi_yc_limit mtk_dpi_limit = {
 	.y_top = 0x0FE0,
 };
 
+static const struct mtk_dpi_yc_limit mtk_dpintf_limit = {
+	.c_bottom = 0x0000,
+	.c_top = 0xFFF,
+	.y_bottom = 0x0000,
+	.y_top = 0xFFF,
+};
+
 static const struct mtk_dpi_conf mt8173_conf = {
 	.cal_factor = mt8173_calculate_factor,
 	.reg_h_fre_con = 0xe0,
@@ -882,6 +938,19 @@ static const struct mtk_dpi_conf mt8192_conf = {
 	.limit = &mtk_dpi_limit,
 };
 
+static const struct mtk_dpi_conf mt8195_dpintf_conf = {
+	.cal_factor = mt8195_dpintf_calculate_factor,
+	.output_fmts = mt8195_output_fmts,
+	.num_output_fmts = ARRAY_SIZE(mt8195_output_fmts),
+	.is_dpintf = true,
+	.dimension_mask = DPINTF_HPW_MASK,
+	.hvsize_mask = DPINTF_HSIZE_MASK,
+	.channel_swap_shift = DPINTF_CH_SWAP,
+	.yuv422_en_bit = DPINTF_YUV422_EN,
+	.csc_enable_bit = DPINTF_CSC_ENABLE,
+	.limit = &mtk_dpintf_limit,
+};
+
 static int mtk_dpi_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -929,7 +998,27 @@ static int mtk_dpi_probe(struct platform_device *pdev)
 	if (IS_ERR(dpi->engine_clk)) {
 		ret = PTR_ERR(dpi->engine_clk);
 		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "Failed to get engine clock: %d\n", ret);
+			dev_err(dev, "Failed to get engine clock: %d\n",
+				ret);
+
+		return ret;
+	}
+
+	dpi->dpi_ck_cg = devm_clk_get_optional(dev, "ck_cg");
+	if (IS_ERR(dpi->dpi_ck_cg)) {
+		ret = PTR_ERR(dpi->dpi_ck_cg);
+		if (ret != -EPROBE_DEFER)
+			dev_err(dev, "Failed to get dpi ck cg clock: %d\n",
+				ret);
+
+		return ret;
+	}
+
+	dpi->dpi_ck_cg = devm_clk_get_optional(dev, "ck_cg");
+	if (IS_ERR(dpi->dpi_ck_cg)) {
+		ret = PTR_ERR(dpi->dpi_ck_cg);
+		if (ret != -EPROBE_DEFER)
+			dev_err(dev, "Failed to get dpi ck cg clock: %d\n", ret);
 
 		return ret;
 	}
@@ -1004,6 +1093,9 @@ static const struct of_device_id mtk_dpi_of_ids[] = {
 	{ .compatible = "mediatek,mt8192-dpi",
 	  .data = &mt8192_conf,
 	},
+	{ .compatible = "mediatek,mt8195-dpintf",
+	  .data = &mt8195_dpintf_conf,
+	},
 	{ },
 };
 MODULE_DEVICE_TABLE(of, mtk_dpi_of_ids);
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
index 3a02fabe1662..dd47dd3f2e4f 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
+++ b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
@@ -40,10 +40,15 @@
 #define FAKE_DE_LEVEN			BIT(21)
 #define FAKE_DE_RODD			BIT(22)
 #define FAKE_DE_REVEN			BIT(23)
+#define DPINTF_YUV422_EN		BIT(24)
+#define DPINTF_CSC_ENABLE		BIT(26)
+#define DPINTF_INPUT_2P_EN		BIT(29)
 
 #define DPI_OUTPUT_SETTING	0x14
 #define CH_SWAP				0
+#define DPINTF_CH_SWAP			BIT(1)
 #define CH_SWAP_MASK			(0x7 << 0)
+#define DPINTF_CH_SWAP_MASK		(0x7 << 1)
 #define SWAP_RGB			0x00
 #define SWAP_GBR			0x01
 #define SWAP_BRG			0x02
@@ -80,8 +85,10 @@
 #define DPI_SIZE		0x18
 #define HSIZE				0
 #define HSIZE_MASK			(0x1FFF << 0)
+#define DPINTF_HSIZE_MASK		(0xFFFF << 0)
 #define VSIZE				16
 #define VSIZE_MASK			(0x1FFF << 16)
+#define DPINTF_VSIZE_MASK		(0xFFFF << 16)
 
 #define DPI_DDR_SETTING		0x1C
 #define DDR_EN				BIT(0)
@@ -93,24 +100,30 @@
 #define DPI_TGEN_HWIDTH		0x20
 #define HPW				0
 #define HPW_MASK			(0xFFF << 0)
+#define DPINTF_HPW_MASK			(0xFFFF << 0)
 
 #define DPI_TGEN_HPORCH		0x24
 #define HBP				0
 #define HBP_MASK			(0xFFF << 0)
+#define DPINTF_HBP_MASK			(0xFFFF << 0)
 #define HFP				16
 #define HFP_MASK			(0xFFF << 16)
+#define DPINTF_HFP_MASK			(0xFFFF << 16)
 
 #define DPI_TGEN_VWIDTH		0x28
 #define DPI_TGEN_VPORCH		0x2C
 
 #define VSYNC_WIDTH_SHIFT		0
 #define VSYNC_WIDTH_MASK		(0xFFF << 0)
+#define DPINTF_VSYNC_WIDTH_MASK		(0xFFFF << 0)
 #define VSYNC_HALF_LINE_SHIFT		16
 #define VSYNC_HALF_LINE_MASK		BIT(16)
 #define VSYNC_BACK_PORCH_SHIFT		0
 #define VSYNC_BACK_PORCH_MASK		(0xFFF << 0)
+#define DPINTF_VSYNC_BACK_PORCH_MASK	(0xFFFF << 0)
 #define VSYNC_FRONT_PORCH_SHIFT		16
 #define VSYNC_FRONT_PORCH_MASK		(0xFFF << 16)
+#define DPINTF_VSYNC_FRONT_PORCH_MASK	(0xFFFF << 16)
 
 #define DPI_BG_HCNTL		0x30
 #define BG_RIGHT			(0x1FFF << 0)
@@ -217,4 +230,26 @@
 
 #define EDGE_SEL_EN			BIT(5)
 #define H_FRE_2N			BIT(25)
+
+#define RGB_TO_JPEG			0x00
+#define RGB_TO_FULL709			0x01
+#define RGB_TO_BT601			0x02
+#define RGB_TO_BT709			0x03
+#define JPEG_TO_RGB			0x04
+#define FULL709_TO_RGB			0x05
+#define BT601_TO_RGB			0x06
+#define BT709_TO_RGB			0x07
+#define JPEG_TO_BT601			0x08
+#define JPEG_TO_BT709			0x09
+#define BT601_TO_JPEG			0xA
+#define BT709_TO_JPEG			0xB
+#define BT709_TO_BT601			0xC
+#define BT601_TO_BT709			0xD
+#define JPEG_TO_CERGB			0x14
+#define FULL709_TO_CERGB		0x15
+#define BT601_TO_CERGB			0x16
+#define BT709_TO_CERGB			0x17
+#define RGB_TO_CERGB			0x1C
+#define MATRIX_BIT			BIT(8)
+#define EXT_MATRIX_EN			BIT(12)
 #endif /* __MTK_DPI_REGS_H */
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index 245d0074e12d..3738665a712e 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -419,6 +419,11 @@ static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = {
 	[MTK_DISP_WDMA] = "wdma",
 	[MTK_DPI] = "dpi",
 	[MTK_DSI] = "dsi",
+	[MTK_DP_INTF] = "dp-intf",
+	[MTK_DISP_PWM] = "pwm",
+	[MTK_DISP_MUTEX] = "mutex",
+	[MTK_DISP_OD] = "od",
+	[MTK_DISP_BLS] = "bls",
 };
 
 struct mtk_ddp_comp_match {
@@ -439,6 +444,8 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = {
 	[DDP_COMPONENT_DPI1]		= { MTK_DPI,			1, &ddp_dpi },
 	[DDP_COMPONENT_DSC0]		= { MTK_DISP_DSC,		0, &ddp_dsc },
 	[DDP_COMPONENT_DSC1]		= { MTK_DISP_DSC,		1, &ddp_dsc },
+	[DDP_COMPONENT_DP_INTF0]	= { MTK_DP_INTF,	0, &ddp_dpi },
+	[DDP_COMPONENT_DP_INTF1]	= { MTK_DP_INTF,	1, &ddp_dpi },
 	[DDP_COMPONENT_DSI0]		= { MTK_DSI,			0, &ddp_dsi },
 	[DDP_COMPONENT_DSI1]		= { MTK_DSI,			1, &ddp_dsi },
 	[DDP_COMPONENT_DSI2]		= { MTK_DSI,			2, &ddp_dsi },
@@ -565,6 +572,7 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp,
 	    type == MTK_DISP_PWM ||
 	    type == MTK_DISP_RDMA ||
 	    type == MTK_DPI ||
+	    type == MTK_DP_INTF ||
 	    type == MTK_DSI)
 		return 0;
 
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
index 825d763d2378..c4e683f46a95 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -37,6 +37,7 @@ enum mtk_ddp_comp_type {
 	MTK_DISP_UFOE,
 	MTK_DISP_WDMA,
 	MTK_DPI,
+	MTK_DP_INTF,
 	MTK_DSI,
 	MTK_DDP_COMP_TYPE_MAX,
 };
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index a2a783fc580e..e25ac61aac08 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -690,6 +690,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
 	  .data = (void *)MTK_DPI },
 	{ .compatible = "mediatek,mt8183-dpi",
 	  .data = (void *)MTK_DPI },
+	{ .compatible = "mediatek,mt8195-dpintf",
+	  .data = (void *)MTK_DP_INTF },
 	{ .compatible = "mediatek,mt2701-dsi",
 	  .data = (void *)MTK_DSI },
 	{ .compatible = "mediatek,mt8173-dsi",
@@ -801,8 +803,9 @@ static int mtk_drm_probe(struct platform_device *pdev)
 		    comp_type == MTK_DISP_OVL_2L ||
 		    comp_type == MTK_DISP_OVL_ADAPTOR ||
 		    comp_type == MTK_DISP_RDMA ||
+		    comp_type == MTK_DSI ||
 		    comp_type == MTK_DPI ||
-		    comp_type == MTK_DSI) {
+		    comp_type == MTK_DP_INTF) {
 			dev_info(dev, "Adding component match for %pOF\n",
 				 node);
 			drm_of_component_match_add(dev, &match, component_compare_of,
diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h
index 3e998bfb795a..e4b84c347201 100644
--- a/include/linux/soc/mediatek/mtk-mmsys.h
+++ b/include/linux/soc/mediatek/mtk-mmsys.h
@@ -21,12 +21,12 @@ enum mtk_ddp_comp_id {
 	DDP_COMPONENT_COLOR0,
 	DDP_COMPONENT_COLOR1,
 	DDP_COMPONENT_DITHER,
-	DDP_COMPONENT_DP_INTF0,
-	DDP_COMPONENT_DP_INTF1,
 	DDP_COMPONENT_DPI0,
 	DDP_COMPONENT_DPI1,
 	DDP_COMPONENT_DSC0,
 	DDP_COMPONENT_DSC1,
+	DDP_COMPONENT_DP_INTF0,
+	DDP_COMPONENT_DP_INTF1,
 	DDP_COMPONENT_DSI0,
 	DDP_COMPONENT_DSI1,
 	DDP_COMPONENT_DSI2,
-- 
2.35.1

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