linux-kernel - Re: [PATCH v16 00/10] drm/msm/dpu: Support quad pipe with dual-interface

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Message-ID: <176312947285.1737000.3658283659221081352.b4-ty@oss.qualcomm.com>
Date: Fri, 14 Nov 2025 16:26:30 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Dmitry Baryshkov <lumag@...nel.org>, Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Rob Clark <robin.clark@....qualcomm.com>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Jun Nie <jun.nie@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Jessica Zhang <quic_jesszhan@...cinc.com>
Subject: Re: [PATCH v16 00/10] drm/msm/dpu: Support quad pipe with dual-interface

On Thu, 18 Sep 2025 21:28:52 +0800, Jun Nie wrote:
> 2 or more SSPPs and dual-DSI interface are need for super wide panel.
> And 4 DSC are preferred for power optimal in this case due to width
> limitation of SSPP and MDP clock rate constrain. This patch set
> extends number of pipes to 4 and revise related mixer blending logic
> to support quad pipe. All these changes depends on the virtual plane
> feature to split a super wide drm plane horizontally into 2 or more sub
> clip. Thus DMA of multiple SSPPs can share the effort of fetching the
> whole drm plane.
> 
> [...]

Applied to msm-next, thanks!

[01/10] drm/msm/dpu: fix mixer number counter on allocation
        https://gitlab.freedesktop.org/lumag/msm/-/commit/74c4efe691e7
[02/10] drm/msm/dpu: bind correct pingpong for quad pipe
        https://gitlab.freedesktop.org/lumag/msm/-/commit/e4f87fdd911e
[03/10] drm/msm/dpu: Add pipe as trace argument
        https://gitlab.freedesktop.org/lumag/msm/-/commit/2c94547e0ced
[04/10] drm/msm/dpu: handle pipes as array
        https://gitlab.freedesktop.org/lumag/msm/-/commit/fb4c972b638f
[05/10] drm/msm/dpu: split PIPES_PER_STAGE definition per plane and mixer
        https://gitlab.freedesktop.org/lumag/msm/-/commit/5d45171e262e
[06/10] drm/msm/dpu: Use dedicated WB number definition
        https://gitlab.freedesktop.org/lumag/msm/-/commit/aed75641425c
[07/10] drm/msm/dpu: blend pipes per mixer pairs config
        https://gitlab.freedesktop.org/lumag/msm/-/commit/c11684cce9e5
[08/10] drm/msm/dpu: support SSPP assignment for quad-pipe case
        https://gitlab.freedesktop.org/lumag/msm/-/commit/cf63d61337c3
[09/10] drm/msm/dpu: support plane splitting in quad-pipe case
        https://gitlab.freedesktop.org/lumag/msm/-/commit/5978864e34b6
[10/10] drm/msm/dpu: Enable quad-pipe for DSC and dual-DSI case
        https://gitlab.freedesktop.org/lumag/msm/-/commit/cd432dfed2ab

Best regards,
-- 
With best wishes
Dmitry