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From: Manivannan Sadhasivam <mani@kernel.org>
To: Nabige Aala <nabige.aala@oss.qualcomm.com>
Cc: Vinod Koul <vkoul@kernel.org>,
	 Neil Armstrong <neil.armstrong@linaro.org>,
	Rob Herring <robh@kernel.org>,
	 Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	 Bjorn Andersson <andersson@kernel.org>,
	Rob Clark <robin.clark@oss.qualcomm.com>,
	 Dmitry Baryshkov <lumag@kernel.org>,
	Abhinav Kumar <abhinav.kumar@linux.dev>,
	 Jessica Zhang <jesszhan0024@gmail.com>,
	Sean Paul <sean@poorly.run>,
	 Marijn Suijten <marijn.suijten@somainline.org>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	 Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	 David Airlie <airlied@gmail.com>,
	Simona Vetter <simona@ffwll.ch>,
	 Kuogee Hsieh <quic_khsieh@quicinc.com>,
	linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
	 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org,
	 freedreno@lists.freedesktop.org,
	Ritesh Kumar <ritesh.kumar@oss.qualcomm.com>,
	 Mahadevan P <mahadevan.p@oss.qualcomm.com>
Subject: Re: [PATCH 09/17] phy: qcom: edp: Add Nord AUX channel and VCO divider configuration tables
Date: Mon, 12 Oct 2026 18:49:05 +0530	[thread overview]
Message-ID: <aszdt5JPfDYvMB__@debian> (raw)
In-Reply-To: <20260911-nord-drv-dt-v1-9-e25c073cf1b6@oss.qualcomm.com>

On Fri, Sep 11, 2026 at 09:06:40PM +0530, Nabige Aala wrote:
> From: Ritesh Kumar <ritesh.kumar@oss.qualcomm.com>
> 
> Nord requires different AUX channel and VCO divider settings compared
> to existing SoCs.  Add edp_phy_aux_cfg_nord and edp_phy_vco_div_cfg_nord
> with values sourced from HPG Tables 2-1-a and 2-1-b respectively.
> 
> Signed-off-by: Ritesh Kumar <ritesh.kumar@oss.qualcomm.com>
> Signed-off-by: Nabige Aala <nabige.aala@oss.qualcomm.com>
> ---
>  drivers/phy/qualcomm/phy-qcom-edp.c | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
> index 373f13b3d6d5..ee0d7f1a90fe 100644
> --- a/drivers/phy/qualcomm/phy-qcom-edp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-edp.c
> @@ -1508,6 +1508,25 @@ static int qcom_edp_phy_probe(struct platform_device *pdev)
>  	return PTR_ERR_OR_ZERO(phy_provider);
>  }
>  
> +/*
> + * nord AUX config (eDP mode).
> + * From HPG Table 2-1-a: edp_phy_aux_bist.csv
> + * Index:  0     1     2     3     4     5     6     7     8     9    10    11    12
> + */
> +static const u8 edp_phy_aux_cfg_nord[DP_AUX_CFG_SIZE] = {
> +	0x00, 0x13, 0xa4, 0x00, 0x0a, 0x26, 0x0a, 0x03, 0x37, 0x03, 0x02, 0x02, 0x04,
> +};
> +
> +/*
> + * nord VCO_DIV config for eDP mode.
> + * From HPG Table 2-1-b AUX Clock Settings (eDP mode) - Nominal/Turbo column.
> + * Indices: [0]=1620, [1]=2700, [2]=5400, [3]=8100
> + */
> +static const u8 edp_phy_vco_div_cfg_nord[4] = {
> +	0x00, 0x00, 0x02, 0x01,
> +};
> +

From this patch onwards you are introducing -Wunused* warnings for each patch.
You *must not* do that.

If logical split is what you are aiming here, I can say that it isn't what you
are doing here.

Please group Nord SoC support in one patch and keep the preparatory patches
separate.

- Mani

-- 
மணிவண்ணன் சதாசிவம்

WARNING: multiple messages have this Message-ID (diff)
From: Manivannan Sadhasivam <mani@kernel.org>
To: Nabige Aala <nabige.aala@oss.qualcomm.com>
Cc: Vinod Koul <vkoul@kernel.org>,
	 Neil Armstrong <neil.armstrong@linaro.org>,
	Rob Herring <robh@kernel.org>,
	 Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	 Bjorn Andersson <andersson@kernel.org>,
	Rob Clark <robin.clark@oss.qualcomm.com>,
	 Dmitry Baryshkov <lumag@kernel.org>,
	Abhinav Kumar <abhinav.kumar@linux.dev>,
	 Jessica Zhang <jesszhan0024@gmail.com>,
	Sean Paul <sean@poorly.run>,
	 Marijn Suijten <marijn.suijten@somainline.org>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	 Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	 David Airlie <airlied@gmail.com>,
	Simona Vetter <simona@ffwll.ch>,
	 Kuogee Hsieh <quic_khsieh@quicinc.com>,
	linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
	 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org,
	 freedreno@lists.freedesktop.org,
	Ritesh Kumar <ritesh.kumar@oss.qualcomm.com>,
	 Mahadevan P <mahadevan.p@oss.qualcomm.com>
Subject: Re: [PATCH 09/17] phy: qcom: edp: Add Nord AUX channel and VCO divider configuration tables
Date: Mon, 12 Oct 2026 18:49:05 +0530	[thread overview]
Message-ID: <aszdt5JPfDYvMB__@debian> (raw)
In-Reply-To: <20260911-nord-drv-dt-v1-9-e25c073cf1b6@oss.qualcomm.com>

On Fri, Sep 11, 2026 at 09:06:40PM +0530, Nabige Aala wrote:
> From: Ritesh Kumar <ritesh.kumar@oss.qualcomm.com>
> 
> Nord requires different AUX channel and VCO divider settings compared
> to existing SoCs.  Add edp_phy_aux_cfg_nord and edp_phy_vco_div_cfg_nord
> with values sourced from HPG Tables 2-1-a and 2-1-b respectively.
> 
> Signed-off-by: Ritesh Kumar <ritesh.kumar@oss.qualcomm.com>
> Signed-off-by: Nabige Aala <nabige.aala@oss.qualcomm.com>
> ---
>  drivers/phy/qualcomm/phy-qcom-edp.c | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
> index 373f13b3d6d5..ee0d7f1a90fe 100644
> --- a/drivers/phy/qualcomm/phy-qcom-edp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-edp.c
> @@ -1508,6 +1508,25 @@ static int qcom_edp_phy_probe(struct platform_device *pdev)
>  	return PTR_ERR_OR_ZERO(phy_provider);
>  }
>  
> +/*
> + * nord AUX config (eDP mode).
> + * From HPG Table 2-1-a: edp_phy_aux_bist.csv
> + * Index:  0     1     2     3     4     5     6     7     8     9    10    11    12
> + */
> +static const u8 edp_phy_aux_cfg_nord[DP_AUX_CFG_SIZE] = {
> +	0x00, 0x13, 0xa4, 0x00, 0x0a, 0x26, 0x0a, 0x03, 0x37, 0x03, 0x02, 0x02, 0x04,
> +};
> +
> +/*
> + * nord VCO_DIV config for eDP mode.
> + * From HPG Table 2-1-b AUX Clock Settings (eDP mode) - Nominal/Turbo column.
> + * Indices: [0]=1620, [1]=2700, [2]=5400, [3]=8100
> + */
> +static const u8 edp_phy_vco_div_cfg_nord[4] = {
> +	0x00, 0x00, 0x02, 0x01,
> +};
> +

From this patch onwards you are introducing -Wunused* warnings for each patch.
You *must not* do that.

If logical split is what you are aiming here, I can say that it isn't what you
are doing here.

Please group Nord SoC support in one patch and keep the preparatory patches
separate.

- Mani

-- 
மணிவண்ணன் சதாசிவம்

-- 
linux-phy mailing list
linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy

  parent reply	other threads:[~2026-10-12 13:19 UTC|newest]

Thread overview: 112+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-11 15:36 [PATCH 00/17] Add Qualcomm Nord display and eDP PHY support Nabige Aala
2026-09-11 15:36 ` Nabige Aala
2026-09-11 15:36 ` [PATCH 01/17] dt-bindings: phy: qcom,edp-phy: Document Nord eDP PHY Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-11 15:48   ` sashiko-bot
2026-09-11 15:48     ` sashiko-bot
2026-09-13 23:29   ` Dmitry Baryshkov
2026-09-13 23:29     ` Dmitry Baryshkov
2026-09-21  6:56     ` Nabige Aala
2026-09-21  6:56       ` Nabige Aala
2026-10-01  1:30       ` Dmitry Baryshkov
2026-10-01  1:30         ` Dmitry Baryshkov
2026-09-11 15:36 ` [PATCH 02/17] dt-bindings: display/msm: dp-controller: Document Nord DP Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-11 15:44   ` sashiko-bot
2026-09-11 15:44     ` sashiko-bot
2026-09-13  7:51   ` Krzysztof Kozlowski
2026-09-13  7:51     ` Krzysztof Kozlowski
2026-09-13 23:30   ` Dmitry Baryshkov
2026-09-13 23:30     ` Dmitry Baryshkov
2026-09-11 15:36 ` [PATCH 03/17] dt-bindings: display/msm: Document Nord MDSS Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-11 15:51   ` sashiko-bot
2026-09-11 15:51     ` sashiko-bot
2026-09-13  7:50   ` Krzysztof Kozlowski
2026-09-13  7:50     ` Krzysztof Kozlowski
2026-09-13 23:31   ` Dmitry Baryshkov
2026-09-13 23:31     ` Dmitry Baryshkov
2026-09-17  1:36   ` Shawn Guo
2026-09-17  1:36     ` Shawn Guo
2026-09-17  5:42     ` Nabige Aala
2026-09-17  5:42       ` Nabige Aala
2026-10-01  1:31       ` Dmitry Baryshkov
2026-10-01  1:31         ` Dmitry Baryshkov
2026-09-11 15:36 ` [PATCH 04/17] drm/msm/dpu: Add support for DPU 12.1 on Nord Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-11 15:59   ` sashiko-bot
2026-09-11 15:59     ` sashiko-bot
2026-09-13 23:45   ` Dmitry Baryshkov
2026-09-13 23:45     ` Dmitry Baryshkov
2026-09-14  8:06   ` Konrad Dybcio
2026-09-14  8:06     ` Konrad Dybcio
2026-09-11 15:36 ` [PATCH 05/17] drm/msm: mdss: Add support for MDSS " Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-13 23:47   ` Dmitry Baryshkov
2026-09-13 23:47     ` Dmitry Baryshkov
2026-09-11 15:36 ` [PATCH 06/17] drm/msm/dp: Add support for DP controllers " Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-13 23:50   ` Dmitry Baryshkov
2026-09-13 23:50     ` Dmitry Baryshkov
2026-09-11 15:36 ` [PATCH 07/17] phy: qcom: edp: Add Nord-specific register offsets Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-11 15:49   ` sashiko-bot
2026-09-11 15:49     ` sashiko-bot
2026-09-13 23:58   ` Dmitry Baryshkov
2026-09-13 23:58     ` Dmitry Baryshkov
2026-10-07  6:12     ` Nabige Aala
2026-10-07  6:12       ` Nabige Aala
2026-09-11 15:36 ` [PATCH 08/17] phy: qcom: edp: Generalize power-on path to support per-SoC overrides Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-14  0:00   ` Dmitry Baryshkov
2026-09-14  0:00     ` Dmitry Baryshkov
2026-10-07  6:26     ` Nabige Aala
2026-10-07  6:26       ` Nabige Aala
2026-09-11 15:36 ` [PATCH 09/17] phy: qcom: edp: Add Nord AUX channel and VCO divider configuration tables Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-14  0:03   ` Dmitry Baryshkov
2026-09-14  0:03     ` Dmitry Baryshkov
2026-10-07  6:38     ` Nabige Aala
2026-10-07  6:38       ` Nabige Aala
2026-10-12 13:19   ` Manivannan Sadhasivam [this message]
2026-10-12 13:19     ` Manivannan Sadhasivam
2026-09-11 15:36 ` [PATCH 10/17] phy: qcom: edp: Add Nord voltage-swing and pre-emphasis tables Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-14  0:05   ` Dmitry Baryshkov
2026-09-14  0:05     ` Dmitry Baryshkov
2026-09-11 15:36 ` [PATCH 11/17] phy: qcom: edp: Add Nord PHY power-on and reset state-machine callbacks Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-14  0:07   ` Dmitry Baryshkov
2026-09-14  0:07     ` Dmitry Baryshkov
2026-09-14  8:08   ` Konrad Dybcio
2026-09-14  8:08     ` Konrad Dybcio
2026-09-11 15:36 ` [PATCH 12/17] phy: qcom: edp: Add Nord bias and clock buffer enable callback Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-11 15:49   ` sashiko-bot
2026-09-11 15:49     ` sashiko-bot
2026-09-14  0:07   ` Dmitry Baryshkov
2026-09-14  0:07     ` Dmitry Baryshkov
2026-09-11 15:36 ` [PATCH 13/17] phy: qcom: edp: Add Nord spread-spectrum clocking configuration callback Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-11 15:36 ` [PATCH 14/17] phy: qcom: edp: Add Nord PLL " Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-11 15:53   ` sashiko-bot
2026-09-11 15:53     ` sashiko-bot
2026-09-14  0:12   ` Dmitry Baryshkov
2026-09-14  0:12     ` Dmitry Baryshkov
2026-10-07  7:33     ` Nabige Aala
2026-10-07  7:33       ` Nabige Aala
2026-09-11 15:36 ` [PATCH 15/17] phy: qcom: edp: Add Nord LDO, TX lane and TX resistor calibration callbacks Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-11 15:52   ` sashiko-bot
2026-09-11 15:52     ` sashiko-bot
2026-09-14  0:12   ` Dmitry Baryshkov
2026-09-14  0:12     ` Dmitry Baryshkov
2026-09-11 15:36 ` [PATCH 16/17] phy: qcom: edp: Introduce Nord phy_ver_ops and phy_cfg descriptor Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-11 15:56   ` sashiko-bot
2026-09-11 15:56     ` sashiko-bot
2026-09-11 15:36 ` [PATCH 17/17] phy: qcom: edp: Register qcom,nord-dp-phy OF compatible string Nabige Aala
2026-09-11 15:36   ` Nabige Aala
2026-09-17  2:14 ` [PATCH 00/17] Add Qualcomm Nord display and eDP PHY support Shawn Guo
2026-09-17  2:14   ` Shawn Guo

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