linux-kernel - Re: (subset) [PATCH v2] drm/msm/dp: account for widebus and yuv420 during mode validation

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Message-ID: <173983092057.1709443.13749455776821744245.b4-ty@quicinc.com>
Date: Mon, 17 Feb 2025 14:24:16 -0800
From: Abhinav Kumar <quic_abhinavk@...cinc.com>
To: Rob Clark <robdclark@...il.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>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>,
        "Stephen
 Boyd" <swboyd@...omium.org>,
        Paloma Arellano <quic_parellan@...cinc.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>
CC: <linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: Re: (subset) [PATCH v2] drm/msm/dp: account for widebus and yuv420 during mode validation


On Thu, 06 Feb 2025 11:46:36 -0800, Abhinav Kumar wrote:
> Widebus allows the DP controller to operate in 2 pixel per clock mode.
> The mode validation logic validates the mode->clock against the max
> DP pixel clock. However the max DP pixel clock limit assumes widebus
> is already enabled. Adjust the mode validation logic to only compare
> the adjusted pixel clock which accounts for widebus against the max DP
> pixel clock. Also fix the mode validation logic for YUV420 modes as in
> that case as well, only half the pixel clock is needed.
> 
> [...]

Applied to msm-fixes, thanks!

[1/1] drm/msm/dp: account for widebus and yuv420 during mode validation
      https://gitlab.freedesktop.org/drm/msm/-/commit/df9cf852ca30

Best regards,
-- 
Abhinav Kumar <quic_abhinavk@...cinc.com>