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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b983e4e9b65sm669017566b.31.2026.03.25.02.57.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 25 Mar 2026 02:57:18 -0700 (PDT) Message-ID: <3f33e61e-d244-4600-9ffe-218371c04541@oss.qualcomm.com> Date: Wed, 25 Mar 2026 10:57:16 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] drm/msm/dpu: correct DP MST interface configuration To: Dmitry Baryshkov , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Abhinav Kumar , Yongxing Mou References: <20260325-fix-dp-mst-interfaces-v1-1-186d1de3fa1b@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260325-fix-dp-mst-interfaces-v1-1-186d1de3fa1b@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=IY6KmGqa c=1 sm=1 tr=0 ts=69c3b180 cx=c_pps a=7E5Bxpl4vBhpaufnMqZlrw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=V25-4Ovv3ou56tOLyxUA:9 a=QEXdDO2ut3YA:10 a=pJ04lnu7RYOZP9TFuWaZ:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-ORIG-GUID: X6V9eeyKMC2HDwUKuJskSiC2nJ51ytUt X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI1MDA3MCBTYWx0ZWRfX6XNeFM3ySztj AZqkRW8iG0cyg5fXlJ7TaF35RGMFticuVlc1X+rhktMVh5enhrwffGAdBJmGRrG4UZw5CFu4cSa 68ChU4mlSu/Haud4Co+WZLMMAobmAWJ9mTMZm7Y4iSh+0vSjAvWWdgw+IuTOV3elUhXnSR3DsW9 dBuywBvKGf4/zjZkAIUEu6rgJ0eBQMW0+SFrzxX3/RZ6CF/VsKQjgjrMaTT1TyUoYBm+kDJT7MH FGQIrjWOTguEHyLITc1DzbH6w8fif5Znj5/hYHb8I9QN00nqG1k5I9JJUiqOJkKxJ3Or+bic6rp YfX9n9E/XQOtjlSRt/iWIjntbHPtfLGX2TFViUULh6nHVqm4SrKNA6Tva/Unaqyt/2K6h+PAVNH Xj+G5DD9g3ME3oLZ97+3HiHir1z1/MgB7pjvWIGg7MNO4zaEA5tu4wpC7tVsfZZWpL8ZC6S9voG 27fT8ACgNPUraT26fqg== X-Proofpoint-GUID: X6V9eeyKMC2HDwUKuJskSiC2nJ51ytUt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-25_03,2026-03-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 clxscore=1015 phishscore=0 malwarescore=0 suspectscore=0 adultscore=0 priorityscore=1501 spamscore=0 lowpriorityscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603250070 On 3/25/26 6:32 AM, Dmitry Baryshkov wrote: > Due to historical reasons we ended up with dummy values being specified > for MST-related interfaces some of them had INTF_NONE, others had > non-existing DP controller indices. Those workarounds are no longer > necessary. Fix types and indices for all DP-MST related INTF instances. > > The only exception is INTF_3 on SC8180X, which has unique design. It can > be used either with INTF_0 / DP0 or with INTF_4 / DP1. This interface is > left with the dummy value until somebody implements necessary bits for > that platform. > > Co-developed-by: Abhinav Kumar > Signed-off-by: Abhinav Kumar > Signed-off-by: Yongxing Mou > Signed-off-by: Dmitry Baryshkov > --- > .name = "intf_8", .id = INTF_8, > .base = 0x3c000, .len = 0x280, > - .type = INTF_NONE, > - .controller_id = MSM_DP_CONTROLLER_1, > + .type = INTF_DP, > + .controller_id = MSM_DP_CONTROLLER_1, /* pair with intf_8 for DP MST */ with intf_4 Konrad