linux-kernel - Re: [PATCH v4 0/3] drm/msm: drop DPU 3.x support from the MDP5 driver

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Message-ID: <yxp6k6bjscuxwm5mz2ev2647ewe7mycus7dszehtrfr7qhxx25@nptailaparnc>
Date: Tue, 13 Jan 2026 03:14:01 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Alexey Minnekhanov <alexeymin@...lexx.ru>
Cc: Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jesszhan0024@...il.com>, Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Alexey Minnekhanov <alexeymin@...tmarketos.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
Subject: Re: [PATCH v4 0/3] drm/msm: drop DPU 3.x support from the MDP5 driver

On Tue, Jan 13, 2026 at 03:02:33AM +0300, Alexey Minnekhanov wrote:
> On 12/28/25 7:02 AM, Dmitry Baryshkov wrote:
> > Fix commands pannels support on DPU 3.x platforms and drop support for
> > those platforms (MSM8998, SDM660 / SDM636, SDM630) from the MDP5 driver.
> > 
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> > ---
> > Changes in v4:
> > - Inverted logic in dpu_encoder_phys_cmd_wait_for_commit_done(), check
> >    for the feature rather than the lack of it.
> > - Link to v3: https://lore.kernel.org/r/20251224-mdp5-drop-dpu3-v3-0-fd7bb8546c30@oss.qualcomm.com
> > 
> > Changes in v3:
> > - Fixed commit message (Marijn)
> > - Reordered CTL_START checks to be more logical (Marijn)
> > - Link to v2: https://lore.kernel.org/r/20251218-mdp5-drop-dpu3-v2-0-11299f1999d2@oss.qualcomm.com
> > 
> > Changes in v2:
> > - Fixed CTL_START interrupt handling on DPU 3.x
> > - Link to v1: https://lore.kernel.org/r/20251211-mdp5-drop-dpu3-v1-1-0a0186d92757@oss.qualcomm.com
> > 
> > ---
> > Dmitry Baryshkov (3):
> >        drm/msm/dpu: drop intr_start from DPU 3.x catalog files
> >        drm/msm/dpu: fix CMD panels on DPU 1.x - 3.x
> >        drm/msm/mdp5: drop support for MSM8998, SDM630 and SDM660
> > 
> >   .../drm/msm/disp/dpu1/catalog/dpu_3_0_msm8998.h    |   5 -
> >   .../gpu/drm/msm/disp/dpu1/catalog/dpu_3_2_sdm660.h |   5 -
> >   .../gpu/drm/msm/disp/dpu1/catalog/dpu_3_3_sdm630.h |   5 -
> >   .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c   |   7 +-
> >   drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.c           | 314 ---------------------
> >   drivers/gpu/drm/msm/msm_drv.c                      |  16 +-
> >   6 files changed, 17 insertions(+), 335 deletions(-)
> > ---
> > base-commit: 4ba14a6add891fe9b2564e3049b7447de3256399
> > change-id: 20250926-mdp5-drop-dpu3-38bc04d44103
> > 
> > Best regards,
> 
> Thanks!
> 
> This fixes DPU with command mode panel on Sony Xperia XA2
> (sdm630-sony-nile-pioneer) and still works on video mode panels on
> whole bunch of sdm660/636-xiaomi phones and tablet. The whole series
> 
> Tested-by: Alexey Minnekhanov <alexeymin@...lexx.ru>

Thanks!

-- 
With best wishes
Dmitry