From nobody Fri Oct 3 20:53:07 2025 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A6248302CA0 for ; Mon, 25 Aug 2025 14:19:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756131546; cv=none; b=B+7Z66gkerQ8zo+GldChZdJCi0d/UYjuJqjULEO6YcDsbhvHFlJrxyem2yZ6uI15ltfuGdTkjPzMDWEh6i4ftZ6EiD1jQg7gEps4Fl0dekmwkPbIJllIoTVaml/VI8cD6KH7VBTJU3L42WJKzSq30C4ttWxZuUakaDIFQIbjQJo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756131546; c=relaxed/simple; bh=pTkO5lrOCRU2az1iDakadNH2filyq5+0cOxmM1NYfG8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=rEoXZ95XiROArtsvY7myP5DnC4fqpJi3Vb5n4akflrxux6UYBYdhY/gg34+L+gZUv1Q/wbQdyGj4NoS2EZg9nlw8DQ31BWGn7oCIBC8/abmTvhv5eyieZqjsYBdjZEUpUiwvmKYLeWnICFFmAuxzpeoJ4QlxWWd3ZPxl7wzcyIg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=hn7sQ+IW; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject 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.b="hn7sQ+IW" Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 57P8fic5029424 for ; Mon, 25 Aug 2025 14:19:03 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= rAhM4RTVeSeD/Y6Dbpn0SMNYvVqhAEKxN2xxqLLpF3U=; b=hn7sQ+IWfBj2jg8E HMgZxSbjSW88vsHP6pfIWCVgFSP6ELlszyyLF6DAzUxZNXSLxIoxSu/X7QHEd9cj S6Xedbwbe3aMAKRqBBcM7gGTnb2fvNul/w4iDGd+/icl/7TA+bf1ZOFfJ426B6xz D3IbU0jwHyneq+sgJyF6GHUAnCEo2WQzRonngsZTSEeG9rbUbW0/31d4MmH9y+uF aWkoVuT3X58zGlOm85m0GCeK+OQN05aiDj/6oy3w2wqfnTx+SnAy2O3/ugQr3DaC Uv7rbphZshuRd87s88YVgwRzQ0HzauZQwLrjB6inOhivHZbQHjSRu2WsrztkxgAd lhUdzw== Received: from mail-pf1-f198.google.com (mail-pf1-f198.google.com [209.85.210.198]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 48q6de5dqw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 25 Aug 2025 14:19:03 +0000 (GMT) Received: by mail-pf1-f198.google.com with SMTP id d2e1a72fcca58-770562b1ed3so2549085b3a.2 for ; Mon, 25 Aug 2025 07:19:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756131542; x=1756736342; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=rAhM4RTVeSeD/Y6Dbpn0SMNYvVqhAEKxN2xxqLLpF3U=; b=gMs4I3dHpkoRX13tf5D/gvnU4qs9h3Tj42mINquwkWvKhge9pb+CGxXNB3x4skdhc/ qav977Qo2MlXhxfnR757aVBWo+aKSZvrSPztodf8EJrx6FzJ5pLMF8f70+7gJD7KuAYv x6iROW68tsasEtH26C44w/6DKPwCHCgmor4h2JMJOiWrDJTWODC1EChOp7/MT15vUU93 OX2JYkvL/QYhBFUt84FH/RsmBg8FA7NDg2tmMSN5FBkTBekeMgbk0Mz/LxmClBHaRUO9 7ajPr1rZHEABvkbG7UuJQR3EOQjAACfBkVCVWDFFCrDMwOD6gKijqoJd+LbdfbINxvnB dUZw== X-Forwarded-Encrypted: i=1; AJvYcCWbfmnsADP59Zv0otv9Iqo7qRoM7OIch4A8p3UzK/f1RZ9G7NYGLqXfiv7eyz4dBwkwzUs1b/0fgnY15Is=@vger.kernel.org X-Gm-Message-State: AOJu0YyxnNhlDyWFQ344H1jC0M4jMUdY3gGqHcoGXrbHOKXykz8f5MkR 3NfdlFbIIjeSLpIo/0qupn/a+Xntaj5Cqu5h+TRsB67W3WnaxUOLDcEAENEwEMEvFVAhIMK2fwh NY1NTAEob2sSUz6f9VZ3681Hx2VcusSdgD4y5/XJT0WpTc/F+ShnDYQAE0i1BwJARgtA= X-Gm-Gg: ASbGnctIB6qNHWAM8L917EVzywzsDwEPTY10yHixHNFolGWIhfyNvL47Qq+SH3fxg6I c2E8dzn6sHGytm4UJPYYA7bcp9egjFdFTlusz2sVnuzDoTDT+wDwi96ou4IfZyzceLiACcN24kT YtjDU6RsX17Oqgvt0zrivWw9FnE256P3nZMGgEL8D7Ird0yGxbcbB8OqsbuI7txjcBZ73p3s93W exErIUdcygIWh9vMG80Nw9+gJlv6EDCtctTtAKcjhcAwxQ/DdLczxEfrAmMUGbel5p/ncw3TSVK 7+A7fIDj2BsolqVPAR5ffQvIKYwDsDkkbeyAJV3TTgBa4U3XbXuVTVuI5ISFXQuCikFmajM= X-Received: by 2002:a05:6a00:a94:b0:749:bb6:3a8e with SMTP id d2e1a72fcca58-7702f9df069mr13576465b3a.1.1756131542176; Mon, 25 Aug 2025 07:19:02 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGSPY1HtSJ8tKKojzOATDlJlkBa+IcBpDR1Y1au0tLWU6lqQsO/HxxDw/4m60LXZ6fiBBdK9A== X-Received: by 2002:a05:6a00:a94:b0:749:bb6:3a8e with SMTP id d2e1a72fcca58-7702f9df069mr13576414b3a.1.1756131541613; Mon, 25 Aug 2025 07:19:01 -0700 (PDT) Received: from cse-cd01-lnx.ap.qualcomm.com ([114.94.8.21]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-770401eb20dsm7672339b3a.79.2025.08.25.07.18.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Aug 2025 07:19:01 -0700 (PDT) From: Yongxing Mou Date: Mon, 25 Aug 2025 22:16:13 +0800 Subject: [PATCH v3 27/38] drm/msm/dp: add dp_display_get_panel() to initialize DP panel Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250825-msm-dp-mst-v3-27-01faacfcdedd@oss.qualcomm.com> References: <20250825-msm-dp-mst-v3-0-01faacfcdedd@oss.qualcomm.com> In-Reply-To: <20250825-msm-dp-mst-v3-0-01faacfcdedd@oss.qualcomm.com> To: 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, Yongxing Mou , Abhinav Kumar X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1756131423; l=2282; i=yongxing.mou@oss.qualcomm.com; s=20241121; h=from:subject:message-id; bh=TSQ0bYxvwSdSGTKkoBYhDKBWe3uInELiHmXnk72zRV4=; b=duMBgo0ElFERIwAsvUqi6eTSil8TrCpytGdMUtwvdCYzvbKFkhAt8aEGrEl9QJIdII6AXu1ut 3dsERUkZHWDCiDyny5YNcGzsI0szfwwtzR8XmZ/2ISS4ozrDZKG7WH4 X-Developer-Key: i=yongxing.mou@oss.qualcomm.com; a=ed25519; pk=zeCnFRUqtOQMeFvdwex2M5o0Yf67UHYfwCyBRQ3kFbU= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODIzMDAzNyBTYWx0ZWRfX/y1cpleGXpUB aUx5wtUu17Y77Trb5QVok45Sb97O5mkD2a4LARAvzGEz7KbGD6obEFuA+Vhuwm3/bNjcXS91Qxn LIYOUeiHppQyREdCdChbI9foQndJ+XLn9AzCNRlfXifOpeTB5HBNYv7a+hlDwhT4YE9ef6Km3ow IewPbhrJHaQ2ykrJbDwtM1VLhPeLIGw2llBpusOT5otc+647izu1VqTeBhspVXnMloKrpAVOaR4 NZw/LLqjM0reDBKDWW2aVZIMLADX+mOIVUx3/KCweuffK1uOzD/clwevjMzG4LNJ7Ch4y5SY+1o aBgwglVE4cbdwZwVylyWNVjbTL5W5fFN/BsueBJ5RkBH0L+BGrKEsrXZC4h+cSt0oKyU/mJYjjK O5xMz6rP X-Proofpoint-ORIG-GUID: HeH8NUoSaXsCRspMLlF6SNm-IGWY60Sl X-Proofpoint-GUID: HeH8NUoSaXsCRspMLlF6SNm-IGWY60Sl X-Authority-Analysis: v=2.4 cv=K7UiHzWI c=1 sm=1 tr=0 ts=68ac70d7 cx=c_pps a=m5Vt/hrsBiPMCU0y4gIsQw==:117 a=Uz3yg00KUFJ2y2WijEJ4bw==:17 a=IkcTkHD0fZMA:10 a=2OwXVqhp2XgA:10 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=6cFZRJIsygQ8aEszaMkA:9 a=QEXdDO2ut3YA:10 a=IoOABgeZipijB_acs4fv:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-25_07,2025-08-20_03,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 malwarescore=0 suspectscore=0 adultscore=0 bulkscore=0 phishscore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508230037 From: Abhinav Kumar Add an API dp_display_get_panel() to initialize and return a DP panel to be used by DP MST module. Since some of the fields of DP panel are private, dp_display module needs to initialize these parts and return the panel back. Signed-off-by: Abhinav Kumar Signed-off-by: Yongxing Mou --- drivers/gpu/drm/msm/dp/dp_display.c | 23 +++++++++++++++++++++++ drivers/gpu/drm/msm/dp/dp_display.h | 2 ++ 2 files changed, 25 insertions(+) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/d= p_display.c index 84df34306fb557341bea288ea8c13b0c81b11919..abcab3ed43b6da5ef898355cf9b= 7561cd9fe0404 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -632,6 +632,29 @@ static int msm_dp_irq_hpd_handle(struct msm_dp_display= _private *dp, u32 data) return 0; } =20 +struct msm_dp_panel *msm_dp_display_get_panel(struct msm_dp *msm_dp_displa= y) +{ + struct msm_dp_display_private *dp; + struct msm_dp_panel *dp_panel; + + dp =3D container_of(msm_dp_display, struct msm_dp_display_private, msm_dp= _display); + + dp_panel =3D msm_dp_panel_get(&dp->msm_dp_display.pdev->dev, dp->aux, dp-= >link, + dp->link_base, dp->mst2link_base, dp->mst3link_base, + dp->pixel_base); + + if (IS_ERR(dp->panel)) { + DRM_ERROR("failed to initialize panel\n"); + return NULL; + } + + memcpy(dp_panel->dpcd, dp->panel->dpcd, DP_RECEIVER_CAP_SIZE); + memcpy(&dp_panel->link_info, &dp->panel->link_info, + sizeof(dp->panel->link_info)); + + return dp_panel; +} + static void msm_dp_display_deinit_sub_modules(struct msm_dp_display_privat= e *dp) { msm_dp_audio_put(dp->audio); diff --git a/drivers/gpu/drm/msm/dp/dp_display.h b/drivers/gpu/drm/msm/dp/d= p_display.h index b1ea027438d952c94f3ae80725c92e46c631bdb2..d5889b801d190b6f33b180ead89= 8c1e4ebcbf8f3 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.h +++ b/drivers/gpu/drm/msm/dp/dp_display.h @@ -65,4 +65,6 @@ void msm_dp_display_unprepare(struct msm_dp *dp); =20 int msm_dp_display_get_active_stream_cnt(struct msm_dp *msm_dp_display); =20 +struct msm_dp_panel *msm_dp_display_get_panel(struct msm_dp *msm_dp_displa= y); + #endif /* _DP_DISPLAY_H_ */ --=20 2.34.1