linux-kernel - Re: [PATCH v3 4/4] drm/msm/dsi/phy: Define PHY_CMN_CLK

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Message-ID: <fb610a26-aafe-4a76-a577-9e659ae54930@linaro.org>
Date: Sun, 16 Feb 2025 10:46:43 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Rob Clark <robdclark@...il.com>, Abhinav Kumar
 <quic_abhinavk@...cinc.com>, Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
 Sean Paul <sean@...rly.run>, Marijn Suijten <marijn.suijten@...ainline.org>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Jonathan Marek <jonathan@...ek.ca>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
 freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 Rob Clark <robdclark@...omium.org>
Subject: Re: [PATCH v3 4/4] drm/msm/dsi/phy: Define PHY_CMN_CLK_CFG[01]
 bitfields and simplify saving

On 14/02/2025 16:08, Krzysztof Kozlowski wrote:
> Add bitfields for PHY_CMN_CLK_CFG0 and PHY_CMN_CLK_CFG1 registers to
> avoid hard-coding bit masks and shifts and make the code a bit more
> readable.  While touching the lines in dsi_7nm_pll_save_state()
> resulting cached->pix_clk_div assignment would be too big, so just
> combine pix_clk_div and bit_clk_div into one cached state to make
> everything simpler.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> ---
> 
> Changes in v3:
> 1. Use FIELD_GET


I have LKP build reports here, so this or some earlier patches need
bitfield.h header.


Best regards,
Krzysztof