linux-kernel - Re: [PATCH 2/4] clk: qcom: dispcc-sm6350: fix DisplayPort clocks

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Message-ID: <c4934052-b8ea-454d-9b2c-f1262f82777b@linaro.org>
Date: Wed, 10 Apr 2024 18:32:53 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
 Bjorn Andersson <andersson@...nel.org>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Konrad Dybcio <konrad.dybcio@...ainline.org>,
 Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] clk: qcom: dispcc-sm6350: fix DisplayPort clocks

On 08/04/2024 13:47, Dmitry Baryshkov wrote:
> On SM6350 DisplayPort link clocks use frequency tables inherited from
> the vendor kernel, it is not applicable in the upstream kernel. Drop
> frequency tables and use clk_byte2_ops for those clocks.
> 
> Fixes: 837519775f1d ("clk: qcom: Add display clock controller driver for SM6350")
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---
>   drivers/clk/qcom/dispcc-sm6350.c | 11 +----------
>   1 file changed, 1 insertion(+), 10 deletions(-)
> 
> diff --git a/drivers/clk/qcom/dispcc-sm6350.c b/drivers/clk/qcom/dispcc-sm6350.c
> index 839435362010..e4b7464c4d0e 100644
> --- a/drivers/clk/qcom/dispcc-sm6350.c
> +++ b/drivers/clk/qcom/dispcc-sm6350.c
> @@ -221,26 +221,17 @@ static struct clk_rcg2 disp_cc_mdss_dp_crypto_clk_src = {
>   	},
>   };
>   
> -static const struct freq_tbl ftbl_disp_cc_mdss_dp_link_clk_src[] = {
> -	F(162000, P_DP_PHY_PLL_LINK_CLK, 1, 0, 0),
> -	F(270000, P_DP_PHY_PLL_LINK_CLK, 1, 0, 0),
> -	F(540000, P_DP_PHY_PLL_LINK_CLK, 1, 0, 0),
> -	F(810000, P_DP_PHY_PLL_LINK_CLK, 1, 0, 0),
> -	{ }
> -};
> -
>   static struct clk_rcg2 disp_cc_mdss_dp_link_clk_src = {
>   	.cmd_rcgr = 0x10f8,
>   	.mnd_width = 0,
>   	.hid_width = 5,
>   	.parent_map = disp_cc_parent_map_0,
> -	.freq_tbl = ftbl_disp_cc_mdss_dp_link_clk_src,
>   	.clkr.hw.init = &(struct clk_init_data){
>   		.name = "disp_cc_mdss_dp_link_clk_src",
>   		.parent_data = disp_cc_parent_data_0,
>   		.num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
>   		.flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE,
> -		.ops = &clk_rcg2_ops,
> +		.ops = &clk_byte2_ops,
>   	},
>   };
>   
> 

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>