From patchwork Fri Dec 6 04:31:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abhinav Kumar X-Patchwork-Id: 13896457 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B8ECCE77173 for ; Fri, 6 Dec 2024 04:33:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1A75610F015; Fri, 6 Dec 2024 04:33:15 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=quicinc.com header.i=@quicinc.com header.b="nXLDRMi2"; dkim-atps=neutral Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2693510F005; 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Fri, 06 Dec 2024 04:32:36 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA02.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 4B64WZom022117 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 6 Dec 2024 04:32:35 GMT Received: from abhinavk-linux1.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Thu, 5 Dec 2024 20:32:35 -0800 From: Abhinav Kumar Date: Thu, 5 Dec 2024 20:31:51 -0800 Subject: [PATCH 20/45] drm/msm/dp: no need to update tu calculation for mst MIME-Version: 1.0 Message-ID: <20241205-dp_mst-v1-20-f8618d42a99a@quicinc.com> References: <20241205-dp_mst-v1-0-f8618d42a99a@quicinc.com> In-Reply-To: <20241205-dp_mst-v1-0-f8618d42a99a@quicinc.com> To: Rob Clark , Dmitry Baryshkov , Sean Paul , Marijn Suijten , David Airlie , "Simona Vetter" , Stephen Boyd , "Chandan Uddaraju" , Guenter Roeck , Kuogee Hsieh , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: Vara Reddy , Rob Clark , Tanmay Shah , , , , , , Jessica Zhang , Laurent Pinchart , Abhinav Kumar X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1733459543; l=966; i=quic_abhinavk@quicinc.com; s=20240509; h=from:subject:message-id; bh=dqe5xFGUfYcXshwJcrieNnGqhL3DGPQ382Czns3f/kw=; b=iOX/dnB0JRw1UglW4LCK2A81Cjx/GbaHhPS3Y2C28vzPIpZeW2qo/f2dzi29PN1QppEq9JML1 01gr9FrDPEACTJub39qVh6xPJgy5MsvImsJkxj1KNSkBggr27ERcnuS X-Developer-Key: i=quic_abhinavk@quicinc.com; a=ed25519; pk=SD3D8dOKDDh6BoX3jEYjsHrTFwuIK8+o0cLPgQok9ys= X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: vC56bexkhoXwEfBHpaNW94jgH2BOEQ23 X-Proofpoint-GUID: vC56bexkhoXwEfBHpaNW94jgH2BOEQ23 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 priorityscore=1501 impostorscore=0 mlxlogscore=901 clxscore=1015 malwarescore=0 suspectscore=0 spamscore=0 mlxscore=0 lowpriorityscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412060030 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" DP stream is transmitted in transfer units only for SST case there is no need to calculate and program TU parameters for MST case. Skip the TU programming for MST cases. Signed-off-by: Abhinav Kumar Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/dp/dp_ctrl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index 3839f1e8e1aeb2a14a7f59c546693141a0df6323..1c313cf33f398dffc2ad349d7d1bc995fb4b45b3 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -2060,7 +2060,8 @@ int msm_dp_ctrl_on_stream(struct msm_dp_ctrl *msm_dp_ctrl, struct msm_dp_panel * pixel_rate_orig, msm_dp_panel->msm_dp_mode.out_fmt_is_yuv_420); - msm_dp_ctrl_setup_tr_unit(ctrl); + if (!ctrl->mst_active) + msm_dp_ctrl_setup_tr_unit(ctrl); msm_dp_catalog_ctrl_state_ctrl(ctrl->catalog, DP_STATE_CTRL_SEND_VIDEO);