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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Rob Clark <robdclark@gmail.com>,
	Abhinav Kumar <quic_abhinavk@quicinc.com>,
	Sean Paul <sean@poorly.run>,
	Marijn Suijten <marijn.suijten@somainline.org>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
	linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
	freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] drm/msm/dsi/phy: Protect PHY_CMN_CLK_CFG1 against clock driver
Date: Mon, 3 Feb 2025 12:19:04 +0100	[thread overview]
Message-ID: <2c10caef-09b3-472b-9d1b-4d35083576e7@linaro.org> (raw)
In-Reply-To: <p3ybn4zsbipks2mzve5uybow3s5baydpmevuzfk7twejnk4cp2@3ljzapngbe65>

On 31/01/2025 17:25, Dmitry Baryshkov wrote:
>>  
>> -static void dsi_pll_disable_global_clk(struct dsi_pll_7nm *pll)
>> +static void dsi_pll_cmn_clk_cfg1_update(struct dsi_pll_7nm *pll, u32 mask,
>> +					u32 val)
>>  {
>> +	unsigned long flags;
>>  	u32 data;
>>  
>> +	spin_lock_irqsave(&pll->pclk_mux_lock, flags);
>>  	data = readl(pll->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1);
>> -	writel(data & ~BIT(5), pll->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1);
>> +	data &= ~mask;
>> +	data |= val & mask;
>> +
>> +	writel(data, pll->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1);
>> +	spin_unlock_irqrestore(&pll->pclk_mux_lock, flags);
>> +}
>> +
>> +static void dsi_pll_disable_global_clk(struct dsi_pll_7nm *pll)
>> +{
>> +	dsi_pll_cmn_clk_cfg1_update(pll, BIT(5), 0);
> 
> PLease add these bits to the corresponding XML file (here and later on)


I need some more input from you - I don't know which XML you talk about.
Do you think about:
drivers/gpu/drm/msm/registers/display/dsi_phy_7nm.xml
and others alike? But doesn't it have only register offsets, not field
offsets?


Best regards,
Krzysztof

  reply	other threads:[~2025-02-03 11:19 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-31 15:02 [PATCH 0/3] drm/msm/dsi/phy: Improvements around concurrent PHY_CMN_CLK_CFG[01] Krzysztof Kozlowski
2025-01-31 15:02 ` [PATCH 1/3] drm/msm/dsi/phy: Protect PHY_CMN_CLK_CFG0 updated from driver side Krzysztof Kozlowski
2025-01-31 15:02 ` [PATCH 2/3] drm/msm/dsi/phy: Protect PHY_CMN_CLK_CFG1 against clock driver Krzysztof Kozlowski
2025-01-31 16:25   ` Dmitry Baryshkov
2025-02-03 11:19     ` Krzysztof Kozlowski [this message]
2025-02-03 14:35       ` Dmitry Baryshkov
2025-02-03 14:38         ` Krzysztof Kozlowski
2025-01-31 15:02 ` [PATCH 3/3] drm/msm/dsi/phy: Do not overwite PHY_CMN_CLK_CFG1 when choosing bitclk source Krzysztof Kozlowski
2025-01-31 16:27   ` Dmitry Baryshkov
2025-01-31 16:24 ` [PATCH 0/3] drm/msm/dsi/phy: Improvements around concurrent PHY_CMN_CLK_CFG[01] Dmitry Baryshkov
2025-02-03 11:16   ` Krzysztof Kozlowski

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