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: Chun-Kuang Hu chunkuang.hu@kernel.org Reviewed-by: AngeloGioacchino Del Regno angelogioacchino.delregno@collabora.com --- drivers/gpu/drm/mediatek/mtk_disp_merge.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_merge.c b/drivers/gpu/drm/mediatek/mtk_disp_merge.c index c0d9b43b2a66..9dca145cfb71 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_merge.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_merge.c @@ -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) @@ -82,6 +85,10 @@ 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); } @@ -90,6 +97,10 @@ 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); } @@ -264,6 +275,8 @@ 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);