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From: Taniya Das <taniya.das@oss.qualcomm.com>
To: Pengyu Luo <mitltlatltl@gmail.com>,
	Bjorn Andersson <andersson@kernel.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] clk: qcom: rcg2: expand frac table for mdss_pixel_clk_src
Date: Mon, 23 Mar 2026 09:56:42 +0530	[thread overview]
Message-ID: <32c8c28f-83ef-4019-b87c-162f09ab6de5@oss.qualcomm.com> (raw)
In-Reply-To: <20260321095029.2259489-1-mitltlatltl@gmail.com>



On 3/21/2026 3:20 PM, Pengyu Luo wrote:
> Downstream clk_summary shows the mdss_pixel_clk_src support the
> ratio(35:16)
> 
>  dsi0_phy_pll_out_dsiclk             2       2        0        378420000
>      disp_cc_mdss_pclk1_clk_src       1       1        0        172992000
>  dsi0_phy_pll_out_byteclk            2       2        0        108120000
>      disp_cc_mdss_byte1_clk_src       2       2        0        108120000
> 
> After checking downstream source, 15:4 also seems to be supported,
> add them two.
> 
> Signed-off-by: Pengyu Luo <mitltlatltl@gmail.com>
> ---
>  drivers/clk/qcom/clk-rcg2.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c
> index fc696b66cc..6064a0e17d 100644
> --- a/drivers/clk/qcom/clk-rcg2.c
> +++ b/drivers/clk/qcom/clk-rcg2.c
> @@ -1117,6 +1117,8 @@ static const struct frac_entry frac_table_pixel[] = {
>  	{ 4, 9 },
>  	{ 1, 1 },
>  	{ 2, 3 },
> +	{ 16, 35},
> +	{ 4, 15},
>  	{ }
>  };
>  

Reviewed-by: Taniya Das <taniya.das@oss.qualcomm.com>
-- 
Thanks,
Taniya Das


  parent reply	other threads:[~2026-03-23  4:26 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-21  9:50 [PATCH] clk: qcom: rcg2: expand frac table for mdss_pixel_clk_src Pengyu Luo
2026-03-21 21:46 ` Dmitry Baryshkov
2026-03-23  4:24 ` Taniya Das
2026-03-23  4:26 ` Taniya Das [this message]
2026-03-23 12:54 ` Konrad Dybcio
2026-03-23 19:23   ` Dmitry Baryshkov
2026-03-24  9:22     ` Konrad Dybcio
2026-03-24 12:56       ` Pengyu Luo
2026-03-24 13:00         ` Konrad Dybcio
2026-03-24  3:05 ` Bjorn Andersson

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