drm/mediatek: Add Padding to OVL adaptor

Add MT8188 Padding to OVL adaptor to probe the driver.

Reviewed-by: CK Hu <ck.hu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20231214055847.4936-20-shawn.sung@mediatek.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
index 12a37f740bf45ee16c298fcc6c29dfe0d72d8ecb..309c48c9a07c02485b3127e2ff0e3d919d7d0070 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
@@ -30,6 +30,7 @@ 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,
 };
 
@@ -47,6 +48,14 @@ 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
 };
 
@@ -67,6 +76,7 @@ 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 = {
@@ -81,6 +91,13 @@ 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 = {
        .power_on = mtk_mdp_rdma_power_on,
        .power_off = mtk_mdp_rdma_power_off,
@@ -102,6 +119,14 @@ 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,
@@ -437,6 +462,7 @@ 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-disp-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 },