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From: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
To: Jun Nie <jun.nie@linaro.org>
Cc: Rob Clark <robdclark@gmail.com>,
	Abhinav Kumar <quic_abhinavk@quicinc.com>,
	Dmitry Baryshkov <lumag@kernel.org>, Sean Paul <sean@poorly.run>,
	Marijn Suijten <marijn.suijten@somainline.org>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
	Jessica Zhang <quic_jesszhan@quicinc.com>,
	linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
	freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v15 11/13] drm/msm/dpu: support SSPP assignment for quad-pipe case
Date: Tue, 19 Aug 2025 22:01:03 +0300	[thread overview]
Message-ID: <hrcp5pcjkqotexrnenm7dxojcmmzx2fl6ybxxofbtcot6q2hxu@3w4vyod2n74r> (raw)
In-Reply-To: <20250819-v6-16-rc2-quad-pipe-upstream-v15-11-2c7a85089db8@linaro.org>

On Tue, Aug 19, 2025 at 09:31:05AM +0800, Jun Nie wrote:
> Currently, SSPPs are assigned to a maximum of two pipes. However,
> quad-pipe usage scenarios require four pipes and involve configuring
> two stages. In quad-pipe case, the first two pipes share a set of
> mixer configurations and enable multi-rect mode when certain
> conditions are met. The same applies to the subsequent two pipes.
> 
> Assign SSPPs to the pipes in each stage using a unified method and
> to loop the stages accordingly.
> 
> Signed-off-by: Jun Nie <jun.nie@linaro.org>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 150 ++++++++++++++++++------------
>  1 file changed, 89 insertions(+), 61 deletions(-)
> 

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


-- 
With best wishes
Dmitry

  reply	other threads:[~2025-08-19 19:01 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-19  1:30 [PATCH v15 00/13] drm/msm/dpu: Support quad pipe with dual-interface Jun Nie
2025-08-19  1:30 ` [PATCH v15 01/13] drm/msm: Do not validate SSPP when it is not ready Jun Nie
2025-08-19  1:30 ` [PATCH v15 02/13] drm/msm/dpu: polish log for resource allocation Jun Nie
2025-08-19  1:30 ` [PATCH v15 03/13] drm/msm/dpu: decide right side per last bit Jun Nie
2025-08-19  1:30 ` [PATCH v15 04/13] drm/msm/dpu: fix mixer number counter on allocation Jun Nie
2025-08-19  1:30 ` [PATCH v15 05/13] drm/msm/dpu: bind correct pingpong for quad pipe Jun Nie
2025-08-19  1:31 ` [PATCH v15 06/13] drm/msm/dpu: Add pipe as trace argument Jun Nie
2025-08-19  1:31 ` [PATCH v15 07/13] drm/msm/dpu: handle pipes as array Jun Nie
2025-08-19  1:31 ` [PATCH v15 08/13] drm/msm/dpu: split PIPES_PER_STAGE definition per plane and mixer Jun Nie
2025-08-19  1:31 ` [PATCH v15 09/13] drm/msm/dpu: Use dedicated WB number definition Jun Nie
2025-08-19  1:31 ` [PATCH v15 10/13] drm/msm/dpu: blend pipes per mixer pairs config Jun Nie
2025-08-19  1:31 ` [PATCH v15 11/13] drm/msm/dpu: support SSPP assignment for quad-pipe case Jun Nie
2025-08-19 19:01   ` Dmitry Baryshkov [this message]
2025-08-20 18:17   ` Jessica Zhang
2025-08-19  1:31 ` [PATCH v15 12/13] drm/msm/dpu: support plane splitting in " Jun Nie
2025-09-03  9:39   ` Dmitry Baryshkov
2025-08-19  1:31 ` [PATCH v15 13/13] drm/msm/dpu: Enable quad-pipe for DSC and dual-DSI case Jun Nie
2025-09-02 14:57 ` [PATCH v15 00/13] drm/msm/dpu: Support quad pipe with dual-interface Dmitry Baryshkov

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