Re: [PATCH v10 20/24] drm/mediatek: Add Padding to OVL adaptor

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Il 19/10/23 07:56, Hsiao Chien Sung ha scritto:
Add MT8188 Padding to OVL adaptor to probe the driver.

Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>
Signed-off-by: Hsiao Chien Sung <shawn.sung@xxxxxxxxxxxx>
---
  .../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 f46ca1c68610..f693b47745ba 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 = {
  	.power_on = mtk_mdp_rdma_power_on,
  	.power_off = mtk_mdp_rdma_power_off,
@@ -101,6 +118,14 @@ 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,
@@ -436,6 +461,7 @@ 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 },

Uhm, for consistency I'd call this "mediatek,mt8188-disp-padding" (you don't have
to drop Reviewed-by tags for such a change, not here and not in the yaml commit),
but it's fine if you have reasons against that.

So, regardless of this being changed or not

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>

  	{ .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 },





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