linux-kernel - [PATCH 07/10] drm/sun4i: Add support for D1 mixers

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Date:   Sun, 10 Apr 2022 23:34:19 -0500
From:   Samuel Holland <samuel@...lland.org>
To:     Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Maxime Ripard <mripard@...nel.org>
Cc:     Samuel Holland <samuel@...lland.org>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...ts.linux.dev
Subject: [PATCH 07/10] drm/sun4i: Add support for D1 mixers

D1 has a display engine with the usual pair of mixers, albeit with
relatively few layers. In fact, D1 appears to be the first SoC to have
a mixer without any UI layers. Add support for these new variants.

Signed-off-by: Samuel Holland <samuel@...lland.org>
---

 drivers/gpu/drm/sun4i/sun8i_mixer.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c
index f5e8aeaa3cdf..49c0d17c6f0a 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c
@@ -585,6 +585,24 @@ static const struct sun8i_mixer_cfg sun8i_v3s_mixer_cfg = {
 	.mod_rate = 150000000,
 };
 
+static const struct sun8i_mixer_cfg sun20i_d1_mixer0_cfg = {
+	.ccsc		= 2,
+	.mod_rate	= 297000000,
+	.scaler_mask	= 0x3,
+	.scanline_yuv	= 2048,
+	.ui_num		= 1,
+	.vi_num		= 1,
+};
+
+static const struct sun8i_mixer_cfg sun20i_d1_mixer1_cfg = {
+	.ccsc		= 1,
+	.mod_rate	= 297000000,
+	.scaler_mask	= 0x1,
+	.scanline_yuv	= 1024,
+	.ui_num		= 0,
+	.vi_num		= 1,
+};
+
 static const struct sun8i_mixer_cfg sun50i_a64_mixer0_cfg = {
 	.ccsc		= 0,
 	.mod_rate	= 297000000,
@@ -638,6 +656,14 @@ static const struct of_device_id sun8i_mixer_of_table[] = {
 		.compatible = "allwinner,sun8i-v3s-de2-mixer",
 		.data = &sun8i_v3s_mixer_cfg,
 	},
+	{
+		.compatible = "allwinner,sun20i-d1-de2-mixer-0",
+		.data = &sun20i_d1_mixer0_cfg,
+	},
+	{
+		.compatible = "allwinner,sun20i-d1-de2-mixer-1",
+		.data = &sun20i_d1_mixer1_cfg,
+	},
 	{
 		.compatible = "allwinner,sun50i-a64-de2-mixer-0",
 		.data = &sun50i_a64_mixer0_cfg,
-- 
2.35.1