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drm/mediatek: Add display merge mute/unmute support for MT8195

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Add merge mute/unmute setting for MT8195.
MT8195 Vdosys1 merge1~merge4 support HW mute function.

Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20220620091930.27797-7-nancy.lin@mediatek.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
This commit is contained in:
Nancy.Lin
2022-06-20 17:19:22 +08:00
committed by Chun-Kuang Hu
parent d2ae586f0e
commit a5b51d1dd9
1 changed files with 13 additions and 0 deletions
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13
drivers/gpu/drm/mediatek/mtk_disp_merge.c
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@@ -58,12 +58,15 @@
#define FLD_PREULTRA_TH_LOW GENMASK(15, 0)
#define FLD_PREULTRA_TH_HIGH GENMASK(31, 16)
#define DISP_REG_MERGE_MUTE_0 0xf00
struct mtk_disp_merge {
void __iomem *regs;
struct clk *clk;
struct clk *async_clk;
struct cmdq_client_reg cmdq_reg;
bool fifo_en;
bool mute_support;
};
void mtk_merge_start(struct device *dev)
@@ -80,6 +83,10 @@ void mtk_merge_start_cmdq(struct device *dev, struct cmdq_pkt *cmdq_pkt)
{
struct mtk_disp_merge *priv = dev_get_drvdata(dev);
if (priv->mute_support)
mtk_ddp_write(cmdq_pkt, 0x0, &priv->cmdq_reg, priv->regs,
DISP_REG_MERGE_MUTE_0);
mtk_ddp_write(cmdq_pkt, 1, &priv->cmdq_reg, priv->regs,
DISP_REG_MERGE_CTRL);
}
@@ -88,6 +95,10 @@ void mtk_merge_stop_cmdq(struct device *dev, struct cmdq_pkt *cmdq_pkt)
{
struct mtk_disp_merge *priv = dev_get_drvdata(dev);
if (priv->mute_support)
mtk_ddp_write(cmdq_pkt, 0x1, &priv->cmdq_reg, priv->regs,
DISP_REG_MERGE_MUTE_0);
mtk_ddp_write(cmdq_pkt, 0, &priv->cmdq_reg, priv->regs,
DISP_REG_MERGE_CTRL);
}
@@ -262,6 +273,8 @@ static int mtk_disp_merge_probe(struct platform_device *pdev)
priv->fifo_en = of_property_read_bool(dev->of_node,
"mediatek,merge-fifo-en");
priv->mute_support = of_property_read_bool(dev->of_node,
"mediatek,merge-mute");
platform_set_drvdata(pdev, priv);
ret = component_add(dev, &mtk_disp_merge_component_ops);