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

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Message-ID: <bb889140-5ddb-485a-bb50-739f68297838@minlexx.ru>
Date: Tue, 13 Jan 2026 03:02:33 +0300
From: Alexey Minnekhanov <alexeymin@...lexx.ru>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
 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>
Cc: 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 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>

---
Regards,
Alexey Minnekhanov