linux-kernel - Re: [PATCH] drm/msm: dsi: fix PLL init in bonded mode

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Message-ID: <176169780826.3761968.3488141100025074954.b4-ty@oss.qualcomm.com>
Date: Wed, 29 Oct 2025 02:30:42 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Neil Armstrong <neil.armstrong@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/msm: dsi: fix PLL init in bonded mode


On Mon, 27 Oct 2025 14:09:48 +0100, Neil Armstrong wrote:
> When in bonded DSI mode, only one PLL in one DSI PHY is used for both
> DSI PHYs, meaning that parents of the secondary DSI PHY will use the
> primary DSI PHY PLL as parent.
> 
> In this case the primary DSI PHY PLL will be set even if the primary
> DSI PHY is not yet enabled. The DSI PHY code has support for this
> particular use-case and will handle the fact the PLL was already
> set when initializing the primary DSI PHY.
> 
> [...]

Applied, thanks!

[1/1] drm/msm: dsi: fix PLL init in bonded mode
      https://gitlab.freedesktop.org/lumag/msm/-/commit/93c97bc8d85d

Best regards,
-- 
With best wishes
Dmitry