linux-kernel - Re: [PATCH] clk: qcom: mmcc8974: move gfx3d_clk

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Message-ID: <20191116185457.GA11601@onstation.org>
Date:   Sat, 16 Nov 2019 13:54:57 -0500
From:   Brian Masney <masneyb@...tation.org>
To:     sboyd@...nel.org
Cc:     mturquette@...libre.com, agross@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, bjorn.andersson@...aro.org,
        jonathan@...ek.ca
Subject: Re: [PATCH] clk: qcom: mmcc8974: move gfx3d_clk_src from the mmcc to
 rpm

On Fri, Nov 15, 2019 at 07:39:31AM -0500, Brian Masney wrote:
> gfx3d_clk_src for msm8974 was introduced into the MMCC by
> commit d8b212014e69 ("clk: qcom: Add support for MSM8974's multimedia
> clock controller (MMCC)") to ensure that all of the clocks for
> this platform are documented upstream. This clock actually belongs
> on the RPM. Since then, commit 685dc94b7d8f ("clk: qcom: smd-rpmcc:
> Add msm8974 clocks") was introduced, which contains the proper
> definition for gfx3d_clk_src. Let's drop the definition from the
> mmcc and register the clock with the rpm instead.
> 
> This change was tested on a Nexus 5 (hammerhead) phone.
> 
> Signed-off-by: Brian Masney <masneyb@...tation.org>
> ---
>  drivers/clk/qcom/clk-smd-rpm.c  |  2 ++
>  drivers/clk/qcom/mmcc-msm8974.c | 13 -------------
>  2 files changed, 2 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/clk/qcom/clk-smd-rpm.c b/drivers/clk/qcom/clk-smd-rpm.c
> index 60aae7543608..2db31dbe47e9 100644
> --- a/drivers/clk/qcom/clk-smd-rpm.c
> +++ b/drivers/clk/qcom/clk-smd-rpm.c
> @@ -486,6 +486,8 @@ static struct clk_smd_rpm *msm8974_clks[] = {
>  	[RPM_SMD_MMSSNOC_AHB_CLK]	= &msm8974_mmssnoc_ahb_clk,
>  	[RPM_SMD_MMSSNOC_AHB_A_CLK]	= &msm8974_mmssnoc_ahb_a_clk,
>  	[RPM_SMD_BIMC_CLK]		= &msm8974_bimc_clk,
> +	[RPM_SMD_GFX3D_CLK_SRC]		= &msm8974_gfx3d_clk_src,
> +	[RPM_SMD_GFX3D_A_CLK_SRC]	= &msm8974_gfx3d_a_clk_src,
>  	[RPM_SMD_BIMC_A_CLK]		= &msm8974_bimc_a_clk,
>  	[RPM_SMD_OCMEMGX_CLK]		= &msm8974_ocmemgx_clk,
>  	[RPM_SMD_OCMEMGX_A_CLK]		= &msm8974_ocmemgx_a_clk,
> diff --git a/drivers/clk/qcom/mmcc-msm8974.c b/drivers/clk/qcom/mmcc-msm8974.c
> index bcb0a397ef91..015426262d08 100644
> --- a/drivers/clk/qcom/mmcc-msm8974.c
> +++ b/drivers/clk/qcom/mmcc-msm8974.c
> @@ -452,18 +452,6 @@ static struct clk_rcg2 mdp_clk_src = {
>  	},
>  };
>  
> -static struct clk_rcg2 gfx3d_clk_src = {
> -	.cmd_rcgr = 0x4000,
> -	.hid_width = 5,
> -	.parent_map = mmcc_xo_mmpll0_1_2_gpll0_map,
> -	.clkr.hw.init = &(struct clk_init_data){
> -		.name = "gfx3d_clk_src",
> -		.parent_names = mmcc_xo_mmpll0_1_2_gpll0,
> -		.num_parents = 5,
> -		.ops = &clk_rcg2_ops,
> -	},
> -};
> -
>  static struct freq_tbl ftbl_camss_jpeg_jpeg0_2_clk[] = {
>  	F(75000000, P_GPLL0, 8, 0, 0),
>  	F(133330000, P_GPLL0, 4.5, 0, 0),
> @@ -2411,7 +2399,6 @@ static struct clk_regmap *mmcc_msm8974_clocks[] = {
>  	[VFE0_CLK_SRC] = &vfe0_clk_src.clkr,
>  	[VFE1_CLK_SRC] = &vfe1_clk_src.clkr,
>  	[MDP_CLK_SRC] = &mdp_clk_src.clkr,
> -	[GFX3D_CLK_SRC] = &gfx3d_clk_src.clkr,
>  	[JPEG0_CLK_SRC] = &jpeg0_clk_src.clkr,
>  	[JPEG1_CLK_SRC] = &jpeg1_clk_src.clkr,
>  	[JPEG2_CLK_SRC] = &jpeg2_clk_src.clkr,

I just realized that I also need to remove the GFX3D_CLK_SRC #define
from include/dt-bindings/clock/qcom,mmcc-msm8974.h. I'll send out a v2
tomorrow evening.

Brian