From bca462073774feb32b642899a35b4cab4599b788 Mon Sep 17 00:00:00 2001
From: Shunqing Chen <csq@rock-chips.com>
Date: Wed, 15 Jul 2020 15:19:11 +0800
Subject: [PATCH] drm: rockchip: dw-hdmi: add YCbCr420 support for RK3288W

Change-Id: I47621ca905b9e32550f0274efe6dc35df0490e3a
Signed-off-by: Shunqing Chen <csq@rock-chips.com>
---
 drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 41 +++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index f045c528e8ed..856561f8389b 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -288,6 +288,46 @@ static const struct dw_hdmi_mpll_config rockchip_mpll_cfg_420[] = {
 	}
 };
 
+static const struct dw_hdmi_mpll_config rockchip_rk3288w_mpll_cfg_420[] = {
+	{
+		30666000, {
+			{ 0x00b7, 0x0000 },
+			{ 0x2157, 0x0000 },
+			{ 0x40f7, 0x0000 },
+		},
+	},  {
+		92000000, {
+			{ 0x00b7, 0x0000 },
+			{ 0x2143, 0x0001 },
+			{ 0x40a3, 0x0001 },
+		},
+	},  {
+		184000000, {
+			{ 0x0073, 0x0001 },
+			{ 0x2146, 0x0002 },
+			{ 0x4062, 0x0002 },
+		},
+	},  {
+		340000000, {
+			{ 0x0052, 0x0003 },
+			{ 0x214d, 0x0003 },
+			{ 0x4065, 0x0003 },
+		},
+	},  {
+		600000000, {
+			{ 0x0040, 0x0003 },
+			{ 0x3b4c, 0x0003 },
+			{ 0x5a65, 0x0003 },
+		},
+	},  {
+		~0UL, {
+			{ 0x0000, 0x0000 },
+			{ 0x0000, 0x0000 },
+			{ 0x0000, 0x0000 },
+		},
+	}
+};
+
 static const struct dw_hdmi_curr_ctrl rockchip_cur_ctr[] = {
 	/*      pixelclk    bpp8    bpp10   bpp12 */
 	{
@@ -1198,6 +1238,7 @@ static struct rockchip_hdmi_chip_data rk3288_chip_data = {
 static const struct dw_hdmi_plat_data rk3288_hdmi_drv_data = {
 	.mode_valid = dw_hdmi_rockchip_mode_valid,
 	.mpll_cfg   = rockchip_mpll_cfg,
+	.mpll_cfg_420 = rockchip_rk3288w_mpll_cfg_420,
 	.cur_ctr    = rockchip_cur_ctr,
 	.phy_config = rockchip_phy_config,
 	.phy_data = &rk3288_chip_data,