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Message-ID: <20231018043650.22532-19-shawn.sung@mediatek.com>
Date:   Wed, 18 Oct 2023 12:36:45 +0800
From:   Hsiao Chien Sung <shawn.sung@...iatek.com>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        CK Hu <ck.hu@...iatek.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>
CC:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>, Fei Shao <fshao@...omium.org>,
        Sean Paul <sean@...rly.run>,
        Johnson Wang <johnson.wang@...iatek.corp-partner.google.com>,
        "Nancy . Lin" <nancy.lin@...iatek.com>,
        Moudy Ho <moudy.ho@...iatek.com>,
        Hsiao Chien Sung <shawn.sung@...iatek.com>,
        "Jason-JH . Lin" <jason-jh.lin@...iatek.com>,
        Nathan Lu <nathan.lu@...iatek.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH v9 18/23] drm/mediatek: Add Padding to OVL adaptor

Add MT8188 Padding to OVL adaptor to probe the driver.

Reviewed-by: CK Hu <ck.hu@...iatek.com>
Signed-off-by: Hsiao Chien Sung <shawn.sung@...iatek.com>
---
 .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c   | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
index 249d2182ebc7..753a7f829173 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
@@ -29,6 +29,7 @@ enum mtk_ovl_adaptor_comp_type {
 	OVL_ADAPTOR_TYPE_ETHDR,
 	OVL_ADAPTOR_TYPE_MDP_RDMA,
 	OVL_ADAPTOR_TYPE_MERGE,
+	OVL_ADAPTOR_TYPE_PADDING,
 	OVL_ADAPTOR_TYPE_NUM,
 };
 
@@ -46,6 +47,14 @@ enum mtk_ovl_adaptor_comp_id {
 	OVL_ADAPTOR_MERGE1,
 	OVL_ADAPTOR_MERGE2,
 	OVL_ADAPTOR_MERGE3,
+	OVL_ADAPTOR_PADDING0,
+	OVL_ADAPTOR_PADDING1,
+	OVL_ADAPTOR_PADDING2,
+	OVL_ADAPTOR_PADDING3,
+	OVL_ADAPTOR_PADDING4,
+	OVL_ADAPTOR_PADDING5,
+	OVL_ADAPTOR_PADDING6,
+	OVL_ADAPTOR_PADDING7,
 	OVL_ADAPTOR_ID_MAX
 };
 
@@ -66,6 +75,7 @@ static const char * const private_comp_stem[OVL_ADAPTOR_TYPE_NUM] = {
 	[OVL_ADAPTOR_TYPE_ETHDR]	= "ethdr",
 	[OVL_ADAPTOR_TYPE_MDP_RDMA]	= "vdo1-rdma",
 	[OVL_ADAPTOR_TYPE_MERGE]	= "merge",
+	[OVL_ADAPTOR_TYPE_PADDING]	= "padding",
 };
 
 static const struct mtk_ddp_comp_funcs ethdr = {
@@ -80,6 +90,13 @@ static const struct mtk_ddp_comp_funcs merge = {
 	.clk_disable = mtk_merge_clk_disable,
 };
 
+static const struct mtk_ddp_comp_funcs padding = {
+	.clk_enable = mtk_padding_clk_enable,
+	.clk_disable = mtk_padding_clk_disable,
+	.start = mtk_padding_start,
+	.stop = mtk_padding_stop,
+};
+
 static const struct mtk_ddp_comp_funcs rdma = {
 	.clk_enable = mtk_mdp_rdma_clk_enable,
 	.clk_disable = mtk_mdp_rdma_clk_disable,
@@ -99,6 +116,14 @@ static const struct ovl_adaptor_comp_match comp_matches[OVL_ADAPTOR_ID_MAX] = {
 	[OVL_ADAPTOR_MERGE1] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE2, 2, &merge },
 	[OVL_ADAPTOR_MERGE2] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE3, 3, &merge },
 	[OVL_ADAPTOR_MERGE3] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE4, 4, &merge },
+	[OVL_ADAPTOR_PADDING0] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING0, 0, &padding },
+	[OVL_ADAPTOR_PADDING1] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING1, 1, &padding },
+	[OVL_ADAPTOR_PADDING2] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING2, 2, &padding },
+	[OVL_ADAPTOR_PADDING3] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING3, 3, &padding },
+	[OVL_ADAPTOR_PADDING4] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING4, 4, &padding },
+	[OVL_ADAPTOR_PADDING5] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING5, 5, &padding },
+	[OVL_ADAPTOR_PADDING6] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING6, 6, &padding },
+	[OVL_ADAPTOR_PADDING7] = { OVL_ADAPTOR_TYPE_PADDING, DDP_COMPONENT_PADDING7, 7, &padding },
 };
 
 void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx,
@@ -369,6 +394,7 @@ static int ovl_adaptor_comp_get_id(struct device *dev, struct device_node *node,
 }
 
 static const struct of_device_id mtk_ovl_adaptor_comp_dt_ids[] = {
+	{ .compatible = "mediatek,mt8188-padding", .data = (void *)OVL_ADAPTOR_TYPE_PADDING },
 	{ .compatible = "mediatek,mt8195-disp-ethdr", .data = (void *)OVL_ADAPTOR_TYPE_ETHDR },
 	{ .compatible = "mediatek,mt8195-disp-merge", .data = (void *)OVL_ADAPTOR_TYPE_MERGE },
 	{ .compatible = "mediatek,mt8195-vdo1-rdma", .data = (void *)OVL_ADAPTOR_TYPE_MDP_RDMA },
-- 
2.18.0

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