phy: mediatek: Modify mipi clk upper bound to 2.5Gbps

[PATCH] phy: mediatek: Modify mipi clk upper bound to 2.5Gbps

Posted by payne.lin 1 month, 3 weeks ago

From: Bincai Liu <bincai.liu@mediatek.com>

Mipi dphy can support up to 4k30 without dsc.

Signed-off-by: Bincai Liu <bincai.liu@mediatek.com>
Signed-off-by: Payne Lin <payne.lin@mediatek.com>
---
 drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c b/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c
index 553725e1269c..b8233c496070 100644
--- a/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c
+++ b/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c
@@ -100,7 +100,7 @@ static void mtk_mipi_tx_pll_disable(struct clk_hw *hw)
 static long mtk_mipi_tx_pll_round_rate(struct clk_hw *hw, unsigned long rate,
 				       unsigned long *prate)
 {
-	return clamp_val(rate, 125000000, 1600000000);
+	return clamp_val(rate, 125000000, 2500000000);
 }
 
 static const struct clk_ops mtk_mipi_tx_pll_ops = {
-- 
2.45.2

Re: [PATCH] phy: mediatek: Modify mipi clk upper bound to 2.5Gbps

Posted by Vinod Koul 1 month, 2 weeks ago

On 14-08-25, 20:54, payne.lin wrote:
> From: Bincai Liu <bincai.liu@mediatek.com>
> 
> Mipi dphy can support up to 4k30 without dsc.

Good, how does that translate to below value change, can you please
explain?

> 
> Signed-off-by: Bincai Liu <bincai.liu@mediatek.com>
> Signed-off-by: Payne Lin <payne.lin@mediatek.com>
> ---
>  drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c b/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c
> index 553725e1269c..b8233c496070 100644
> --- a/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c
> +++ b/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c
> @@ -100,7 +100,7 @@ static void mtk_mipi_tx_pll_disable(struct clk_hw *hw)
>  static long mtk_mipi_tx_pll_round_rate(struct clk_hw *hw, unsigned long rate,
>  				       unsigned long *prate)
>  {
> -	return clamp_val(rate, 125000000, 1600000000);
> +	return clamp_val(rate, 125000000, 2500000000);
>  }
>  
>  static const struct clk_ops mtk_mipi_tx_pll_ops = {
> -- 
> 2.45.2

-- 
~Vinod

Re: [PATCH] phy: mediatek: Modify mipi clk upper bound to 2.5Gbps

Posted by CK Hu (胡俊光) 1 month, 2 weeks ago

On Thu, 2025-08-14 at 20:54 +0800, payne.lin wrote:
> From: Bincai Liu <bincai.liu@mediatek.com>
> 
> Mipi dphy can support up to 4k30 without dsc.

Reviewed-by: CK Hu <ck.hu@mediatek.com>

> 
> Signed-off-by: Bincai Liu <bincai.liu@mediatek.com>
> Signed-off-by: Payne Lin <payne.lin@mediatek.com>
> ---
>  drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c b/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c
> index 553725e1269c..b8233c496070 100644
> --- a/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c
> +++ b/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c
> @@ -100,7 +100,7 @@ static void mtk_mipi_tx_pll_disable(struct clk_hw *hw)
>  static long mtk_mipi_tx_pll_round_rate(struct clk_hw *hw, unsigned long rate,
>  				       unsigned long *prate)
>  {
> -	return clamp_val(rate, 125000000, 1600000000);
> +	return clamp_val(rate, 125000000, 2500000000);
>  }
>  
>  static const struct clk_ops mtk_mipi_tx_pll_ops = {