From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=205.220.180.131 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794286551; b=PGcrfEy6IHVyPQlBsxvNoRgMpKl+Kqx5TS51Wl/hc1HUOLemVj/A1EzG3rffLSIM/x/J J4n5WLL4g+ST+/gz90ByqPtn8UOjPEmfzQZ0R7Bsos69nInmz0qO7sWdplVshmMxIBb7l QWvxrP9nowVDYzuZ2jnKrIiUO2ImeCbq5wTSYw/KzWFKYOoIawgJoV0elVRQCyfxC8I3t XnmnJotWwdKQCjVoMb6rblIFoFjvorrayNAyNImHuuTBCUhrElA+IokDKYJx5kMp/eWbP FlCwR316p38xeSi9q1hfaYcN1eqM1/LV+U6ZMV+1FcKbblUygdXii87Rlc91WAfKX1w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794286551; h=DMARC-Filter:Received:DKIM-Signature:Received:Received: DKIM-Signature:X-Google-DKIM-Signature:X-Forwarded-Encrypted: X-Gm-Message-State:X-Gm-Gg:X-Received:X-Received:Received:From:Date: Subject:MIME-Version:Content-Type:Content-Transfer-Encoding: Message-Id:References:In-Reply-To:To:Cc:X-Mailer: X-Developer-Signature:X-Developer-Key:X-Authority-Analysis: X-Proofpoint-Spam-Details-Enc:X-Proofpoint-GUID: X-Proofpoint-Spam-Info:X-Proofpoint-ORIG-GUID: X-Proofpoint-Virus-Version:X-Proofpoint-Spam-Details; bh=6jiJ2cFfcWZ4T7THjimnFH1H/Fp94wK+5rOFj6cs9cU=; b=XnP13uFNqXAmDY+us1pdtBycQVdJyavNsOWQ452F64/PyBoxIxtG7tqfZs/7ol42x+sE 3mds3kweeo6pWrR3CuOMURitjfRpMq51m6xuxdLBIl3ztn+IdICqO1e8CQA+7uuX+KjSN FeORVSDl1OhceF5IQuxGF51BgfRVvss4o6k/F41CHaA4RP/vFgb1OflsDaaaDc8bF33Bw +DCFQQT9iHheq/ep83ltk2dorJPZ8HPTt1mEhH+RuC6wmf+J6OIIHZH/Y6I3JVWjocI/p iktMn03kfzPnk2QnKAqC19qNNw6TVQ+VadDqtIbuzlMearQQA3tAQWVM0yNANb5VY/A== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=fcyn5uXG; dkim=pass header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=jUHtQQse; arc=none smtp.remote-ip=205.220.180.131 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9654A60A260A for ; Tue, 10 Nov 2026 04:55:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 9654A60A260A Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=fcyn5uXG; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=jUHtQQse Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6AA49wkb2297603 for ; Tue, 10 Nov 2026 04:55:49 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= 6jiJ2cFfcWZ4T7THjimnFH1H/Fp94wK+5rOFj6cs9cU=; b=fcyn5uXGlEOxgr7J vKYy5UxYs/jvQMDXNuM+6cIaRvZRTaZpS/g122vf2JHqTWtWL8Ohl5S62Vyh9zgu EYDiopSocboliLclnveumNfe2DM/lCGizlSv0Je+AYac9T8Y3nPabbowX7pVrbG3 T5EqHZeg8cy5BoPIartY48aqyV+LCDSSAG5zR5GyX1cQ++2s0vCVptsRyF5oeFrj If7fYZ5DWHn32t2/z2sVW818mMn4xdymBUQZZoSVUgpBk/dxTixGHW0iQ2UOr3ZG kwI8wauSDtTpeKB5t3ltKI4oNFYfwaPuEQZJAnu+9Cjh/+265T2CU94EWoTtekCX UQtuIg== Received: from mail-qk1-f199.google.com (mail-qk1-f199.google.com [209.85.222.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4hu6x2n0hk-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 10 Nov 2026 04:55:49 +0000 (GMT) Received: by mail-qk1-f199.google.com with SMTP id af79cd13be357-93f20addba1so299775585a.1 for ; Mon, 09 Nov 2026 20:55:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1794286549; x=1794891349; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=6jiJ2cFfcWZ4T7THjimnFH1H/Fp94wK+5rOFj6cs9cU=; b=jUHtQQsexeRDeIxe/8OAML91q/TYRvejjK16FsSwbcIFsANJdjPoGYS/Xm+NRPWHSF KqJwoqzjVJlfpqO9WJvzSNtMsNXdoT5Ite5kx88mN2CT6FSNN90o91hfRKk/8Hpys6e+ ZnjwOaGZRwUcWkDkXX9lUpRw0YDSVRXQvB03cBOQBrwriGx8Mwk5mf98ahWN2AyjbFvY gaW+JtW4W8qCPrJEY238criGl7AyESIP0fJQGtcsEsZjifr0KcMZEuH6tn9ggTbJFbcr 7tAUrbqn93DyrtBZzrgoM/0k7O9jU1ERRl7DBYbMXhNzelEJHzgiipzaS9fPXHdUs0Ex Mopg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794286549; x=1794891349; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=6jiJ2cFfcWZ4T7THjimnFH1H/Fp94wK+5rOFj6cs9cU=; b=ZSpkuSUXICHSTz7V4jg3Ubz6c6djvl58Y07Mx72nLiHjwntNhTKgofy934XTuTEDnF /B/rMIPvJs+BI1vbmBsIO/v1XQokzSymm1UWj53SP8k1leiJQStMUO0J6sGbEmZwo2dP tijgAzUG3T9ZnPr7RqZ245GdMh42XRkN3nAJx4QQ3/RqV2IqWPxrgL7DNWWCG009p6bv 1t8SiXnbubSNPfvyAuSqTXLnSxmummKK6kqeNJrvAuI1+ACRPNGPcaetZAS6gpNorf7V vmPa0BN4Jm0tjfOTJB+dyWjKD7mb0QLNQ6I3tXou0bEF7LO3dtTXWbO2VG8GwDYKI/vE RSlA== X-Forwarded-Encrypted: i=1; AL+hErED9JxlN4NBoscu03iBgNThcPTkixS9qI4MrjeDkD8rh1yCajOsYD8XtehxWDYpjwxZ6eAukv+ihjUIEMg=@vger.kernel.org X-Gm-Message-State: APuU4Z9kWnTw2k3zhu5UvbtfV7QAgeyyN3b4bhFBqxBI79GXsO4Bybk8 AIzaHuXvWlJOtb9LDSdj2I+fvAxx8Q3PO+avyA49ou0f0X+ZLmw0PDhLI7CEOLgQw/at6jf2Pnc 2MY7ui2JdNvVetpRYvcVvub885uB010tj7pDxUN9Ri/H8M6GJv6Mf2Xy4iokGrEyqu8o= X-Gm-Gg: AYBFou0X3Ib1fV+4HKJenWdNiohtjJlPxun3/OXydtcghZh/L0w/+xmoDTUK7lG3sTf TFcdMj8PwGnnctse3FAj0I6L4cbagHSPSwgfuLqo+KR25nqrEIb2WEwUCeuhFHyyWizRk7tzqGb Eha1YSrtRYhfwUW39++k2HZyQRZa8hA9D9N2axlngc3QkOmHw6/24U7xswaHInVdGvrWkvBWm9d KOFVAz9Bh/mzBCIPzYAm/bjvFqXTR+VtYFQaFzpC4SPSpcrhRBw1LrMO/WH6LyS1rGrFjh9uQTt z2H35awr/khWKw1wPBVoJvZRAP+htwfaflOJDtlRt/dKa2UZb0fF3CF6X9Tw6U451kMXpKCdz10 EGErqkyWCpfar4NXtUC8ptGsZ5QzMr1i2gahd1INjHLXdS9OBeHcxM7276trpzK0HM50CcYTKWZ nXptRq06HGcjt3dylyvEf7TVlVI1eGZi3JEv0U X-Received: by 2002:a05:620a:31a0:b0:93e:95ce:539c with SMTP id af79cd13be357-9479f1d7b57mr250437385a.2.1794286548819; Mon, 09 Nov 2026 20:55:48 -0800 (PST) X-Received: by 2002:a05:620a:31a0:b0:93e:95ce:539c with SMTP id af79cd13be357-9479f1d7b57mr250435585a.2.1794286548408; Mon, 09 Nov 2026 20:55:48 -0800 (PST) Received: from yongmou2.ap.qualcomm.com (Global_NAT1_IAD_FW.qualcomm.com. [129.46.232.65]) by smtp.gmail.com with ESMTPSA id af79cd13be357-9479e73b2d2sm138653985a.10.2026.11.09.20.55.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2026 20:55:48 -0800 (PST) From: Yongxing Mou Date: Tue, 10 Nov 2026 12:54:36 +0800 Subject: [PATCH v8 15/29] drm/msm/dpu: use stream_id to select MST interfaces X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261110-msm-dp-mst-v8-15-d040fb33db5f@oss.qualcomm.com> References: <20261110-msm-dp-mst-v8-0-d040fb33db5f@oss.qualcomm.com> In-Reply-To: <20261110-msm-dp-mst-v8-0-d040fb33db5f@oss.qualcomm.com> To: Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Jessica Zhang Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Yongxing Mou , Abhinav Kumar X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1794286469; l=2469; i=yongxing.mou@oss.qualcomm.com; s=20250910; h=from:subject:message-id; bh=wXTPAT6DXirv1p5bLwSDFrvILw5gZg1C+bWv7KYQNRg=; b=VsbeXqnUOY9/AUHHQoyUfMEWeUc/SwbCyx2IzG5kK6Ql++PzgvL4QgTPtFQ5yV9/u+fSkKYSM rL8TwbxXiOAApl5K971OC5RESgCcT8zBNT8tDsh1364ws2iMPuk6nWL X-Developer-Key: i=yongxing.mou@oss.qualcomm.com; a=ed25519; pk=rAy5J1eP+V7OXqH5FJ7ngMCtUrnHhut30ZTldOj52UM= X-Authority-Analysis: v=2.4 cv=TMjQ2Fla c=1 sm=1 tr=0 ts=6af2a3d5 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=C3Dk8TwHQYyIj7nOf9RCJw==:17 a=IkcTkHD0fZMA:10 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=m4XVQ0OAQ8bppu2UB-MA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTEwMDAxOSBTYWx0ZWRfXysBuvtDp+r2l ymB6j+s8dS3P3HONm/dg69wbzsPS6Kh6ETQgw5W20aCYabmfkLzOi53/rQ0uSqN068Su6h3vbzm 0jI02EIKwXFDJ+KMs8ITcgXSlnriLWio3GjVVa6rFXp3EXG5+G24JU3/DoObmFmH4eZCKN+Fp/J F88//qfm4g1iUS3itY4H+kuw8tzD8FD8kXdptZEeEpFAWKVhe6AQQ1/IKHfJIRaKtyED3JrbgcB +gX7GMAp3LRHw/ZVfj+BzGMnDWUQGSBp6SJH91pA0CclE6I8hN7gsdZuJ8OHFvPjxgeyK3aUZ2g 0XnOGbIi1v2GHBdf0N6Fnn9VLk37ii0Q4CnoxaqjhVyG0haY1464UaJBcjE4SY8eDu4G3xmehuX wS/LLtNl5qG7gM3pr1b9j1TVy/UORgNotVhlcypGCFwDAY5CLpXEJByHt66AcMB7Hv/ZFx1Xqx2 zMaAPhKmMyfPI+OBftA== X-Proofpoint-GUID: BQjpeBkXqkroCxcUxJbniAiF0n2kgmiW X-Proofpoint-Spam-Info: AW1haW4tMjYxMTEwMDAxOSBTYWx0ZWRfX246jnHRRYnT2 AfBGrQ7ZgZpXh13fj74k5JhLsyLVrpPad8FHkDl/Qr4MLitMD416y7eg8EB9zC/I5gt0wf0G4R6 sh09JDmEo4rE7PKoj0ze4/i+3LZ6Sag= X-Proofpoint-ORIG-GUID: BQjpeBkXqkroCxcUxJbniAiF0n2kgmiW X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-10_02,2026-11-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 malwarescore=0 phishscore=0 priorityscore=1501 spamscore=0 bulkscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2611040001 definitions=main-2611100019 For MST, multiple streams can share the same DP controller, making (controller_id, intf_type) insufficient to uniquely identify a DPU interface. Add stream_id to msm_display_info and use it to select the matching interface for a stream. For DSI, eDP and SST configurations, stream_id remains zero and behavior is unchanged. Signed-off-by: Abhinav Kumar Signed-off-by: Yongxing Mou --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 7 ++++--- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 2 ++ 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 5e1c98371181d..a8dcc8c684eb2 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -1437,17 +1437,18 @@ static struct dpu_hw_intf *dpu_encoder_get_intf(const struct dpu_mdss_cfg *catal struct dpu_rm *dpu_rm, struct msm_display_info *disp_info, int index) { - int i = 0; + int i = 0, cnt = 0; u32 controller_id = disp_info->h_tile_instance[index]; + int stream_id = disp_info->stream_id; if (disp_info->intf_type == INTF_WB) return NULL; for (i = 0; i < catalog->intf_count; i++) { if (catalog->intf[i].type == disp_info->intf_type - && catalog->intf[i].controller_id == controller_id) { + && catalog->intf[i].controller_id == controller_id + && cnt++ == stream_id) return dpu_rm_get_intf(dpu_rm, catalog->intf[i].id); - } } return NULL; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h index 4942097e76137..9972e209bd580 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h @@ -28,6 +28,7 @@ * @h_tile_instance: Controller instance used per tile. Number of elements is * based on num_of_h_tiles * @is_cmd_mode Boolean to indicate if the CMD mode is requested + * @stream_id stream id for which the interface needs to be acquired * @vsync_source: Source of the TE signal for DSI CMD devices */ struct msm_display_info { @@ -35,6 +36,7 @@ struct msm_display_info { uint32_t num_of_h_tiles; uint32_t h_tile_instance[MAX_H_TILES_PER_DISPLAY]; bool is_cmd_mode; + int stream_id; enum dpu_vsync_source vsync_source; }; -- 2.43.0