Re: [PATCH 2/3] drm/msm/dsi/phy: Protect PHY_CMN_CLK_CFG1 against clock driver

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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




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