linux-kernel - Re: [PATCH v3 37/38] drm/msm/dp: fix the intf

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Message-ID: <pp7s4wyvchoe2en6xqtow7cw3wfjfgnb5lu2l4f26azwssolpk@ydjm2ezqumu5>
Date: Wed, 27 Aug 2025 04:18:34 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Yongxing Mou <yongxing.mou@....qualcomm.com>
Cc: 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>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Abhinav Kumar <quic_abhinavk@...cinc.com>
Subject: Re: [PATCH v3 37/38] drm/msm/dp: fix the intf_type of MST interfaces

On Mon, Aug 25, 2025 at 10:16:23PM +0800, Yongxing Mou wrote:
> From: Abhinav Kumar <quic_abhinavk@...cinc.com>
> 
> Interface type of MST interfaces is currently INTF_NONE. Update this to
> INTF_DP. And correct the intf_6 intr_underrun/intr_vsync index for
> dpu_8_4_sa8775p.
> 
> Signed-off-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
> Signed-off-by: Yongxing Mou <yongxing.mou@....qualcomm.com>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h |  6 +++---
>  drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_4_sa8775p.h  | 12 ++++++------
>  drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_2_x1e80100.h |  6 +++---

Also, as far as I remember, INTF_3 is not a DP1, but DP0 MST on the following platforms:
- 4.0, SDM845
- 5.0, SM8150
- 5.2, SM7150
- 5.3, SM6150
- 6.0, SM8250
- 7.0, SM8350
- 8.1, SM8450
- 9.0, SM8550
- 9.1, SAR2130P
- 10.0, SM8650

Please update them them as a separate patch.

For this patch:


Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>



-- 
With best wishes
Dmitry