linux-kernel - Re: [PATCH v4] drm/msm/dp: fix the intf

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <586c0ab5-ead1-4387-9f7a-d1943dffc7df@oss.qualcomm.com>
Date: Wed, 26 Nov 2025 11:38:22 +0800
From: Yongxing Mou <yongxing.mou@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
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>,
        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 v4] drm/msm/dp: fix the intf_type of MST interfaces



On 11/26/2025 10:50 AM, Yongxing Mou wrote:
> 
> 
> On 11/26/2025 8:36 AM, Dmitry Baryshkov wrote:
>> On Tue, Nov 25, 2025 at 04:22:12PM +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>
>>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
>>> ---
>>> This patch was split out from the MST V3 patch series:
>>> https://lore.kernel.org/all/20250825-msm-dp-mst- 
>>> v3-0-01faacfcdedd@....qualcomm.com/
>>> ---
>>> Changes in v4:
>>> - Splite chagne out from the MST V3 series.
>>
>> Why?
>>
> i just want to spelieete
Sorry, please ignore this message and move to the other reply.>> - Link 
to v3: https://lore.kernel.org/
> all/20250825-msm-dp-mst-v3-37-01faacfcdedd@....qualcomm.com/
>>>
>>> Changes in v3:
>>> - Fix through the whole catalog
>>> - Link to v2: https://lore.kernel.org/all/20250609-msm-dp-mst-v2-37- 
>>> a54d8902a23d@...cinc.com/
>>>
>>> Changes in v2:
>>> - Change the patch order in the series.
>>> - Link to v1: https://lore.kernel.org/all/20241205-dp_mst-v1-3- 
>>> f8618d42a99a@...cinc.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 +++---
>>>   3 files changed, 12 insertions(+), 12 deletions(-)
>>>
>>> @@ -363,15 +363,15 @@ static const struct dpu_intf_cfg sa8775p_intf[] 
>>> = {
>>>       }, {
>>>           .name = "intf_6", .id = INTF_6,
>>>           .base = 0x3A000, .len = 0x280,
>>> -        .type = INTF_NONE,
>>> +        .type = INTF_DP,
>>>           .controller_id = MSM_DP_CONTROLLER_0,    /* pair with 
>>> intf_0 for DP MST */
>>>           .prog_fetch_lines_worst_case = 24,
>>> -        .intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 17),
>>> -        .intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 16),
>>> +        .intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 16),
>>> +        .intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 17),
>>
>> This is a separate fix, it should be a separate patch.
>>
>