From patchwork Thu Apr 20 23:25:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuogee Hsieh X-Patchwork-Id: 13219290 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BEDB6C77B73 for ; Thu, 20 Apr 2023 23:26:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233038AbjDTX0h (ORCPT ); Thu, 20 Apr 2023 19:26:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57646 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231504AbjDTX0g (ORCPT ); Thu, 20 Apr 2023 19:26:36 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A04666585; Thu, 20 Apr 2023 16:26:09 -0700 (PDT) Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 33KMuRFc017135; Thu, 20 Apr 2023 23:25:55 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=NGwb5l94lWMIoznBFP87jKbMDelpg95bwx7snMNUT3A=; b=mABy0rZ5YLah4gV8loKmUGUz6UDZ1KRkz1xZFG/Ei94icn+qCGJqu3mNQ9KPQcqaRDgQ qMzjKH8hIk4JohaJEn7exW4J+KXZiPb59eo6iyKg5HKi+EvFj4h6kTc+3JV9DPMomdI9 uTZhFI8odflB5FWkOasDHX6JSUIA6yxs4NQnviydc/kKqnpJijpMLqI+7IBeB8p9rMYc /X3YmIrLakqW7TTNsbwowPytNAWRHu+xBwvDZVOf3uE/Z/vIz8g0wgdZFDfOh5l7pJr1 W8NRDx/IimbgIBTT95aW4T9UUdbrviu54wHp0RMzbUn1+5cqAiCSwdL4k9OgkhkxrnY9 fg== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3q3cpyr781-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 20 Apr 2023 23:25:54 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 33KNPWvB024496 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 20 Apr 2023 23:25:32 GMT Received: from khsieh-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 15.2.986.42; Thu, 20 Apr 2023 16:25:32 -0700 From: Kuogee Hsieh To: , , , , , , , , , , CC: Kuogee Hsieh , , , , , , Subject: [PATCH v1 4/5] drm/msm/dpu: calculate DSC encoder parameters dynamically Date: Thu, 20 Apr 2023 16:25:13 -0700 Message-ID: <1682033114-28483-5-git-send-email-quic_khsieh@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1682033114-28483-1-git-send-email-quic_khsieh@quicinc.com> References: <1682033114-28483-1-git-send-email-quic_khsieh@quicinc.com> MIME-Version: 1.0 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-GUID: J3In1bGj9e0UmqYeDQ6ws-FTWWP1pWk2 X-Proofpoint-ORIG-GUID: J3In1bGj9e0UmqYeDQ6ws-FTWWP1pWk2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-20_15,2023-04-20_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 priorityscore=1501 mlxlogscore=999 spamscore=0 mlxscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 adultscore=0 phishscore=0 bulkscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304200200 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org During DSC preparation, add run time calculation to figure out what usage modes, split mode and merge mode, is going to be setup. Signed-off-by: Kuogee Hsieh --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 56 ++++++++++++++++------------- 1 file changed, 32 insertions(+), 24 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 2fdacf1..5677728 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -529,17 +529,9 @@ void dpu_encoder_helper_split_config( bool dpu_encoder_use_dsc_merge(struct drm_encoder *drm_enc) { struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); - int i, intf_count = 0, num_dsc = 0; + struct msm_display_topology *topology = &dpu_enc->topology; - for (i = 0; i < MAX_PHYS_ENCODERS_PER_VIRTUAL; i++) - if (dpu_enc->phys_encs[i]) - intf_count++; - - /* See dpu_encoder_get_topology, we only support 2:2:1 topology */ - if (dpu_enc->dsc) - num_dsc = 2; - - return (num_dsc > 0) && (num_dsc > intf_count); + return (topology->num_dsc > topology->num_intf); } static void dpu_encoder_get_topology( @@ -1861,41 +1853,57 @@ static void dpu_encoder_prep_dsc(struct dpu_encoder_virt *dpu_enc, struct dpu_encoder_phys *enc_master = dpu_enc->cur_master; struct dpu_hw_dsc *hw_dsc[MAX_CHANNELS_PER_ENC]; struct dpu_hw_pingpong *hw_pp[MAX_CHANNELS_PER_ENC]; + struct msm_display_topology *topology = &dpu_enc->topology; int this_frame_slices; int intf_ip_w, enc_ip_w; - int dsc_common_mode; + int dsc_common_mode = 0; int pic_width; u32 initial_lines; + int num_dsc, num_intf; int i; for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) { hw_pp[i] = dpu_enc->hw_pp[i]; hw_dsc[i] = dpu_enc->hw_dsc[i]; - - if (!hw_pp[i] || !hw_dsc[i]) { - DPU_ERROR_ENC(dpu_enc, "invalid params for DSC\n"); - return; - } } - dsc_common_mode = 0; + num_dsc = topology->num_dsc; + num_intf = topology->num_intf; + pic_width = dsc->pic_width; - dsc_common_mode = DSC_MODE_MULTIPLEX | DSC_MODE_SPLIT_PANEL; if (enc_master->intf_mode == INTF_MODE_VIDEO) dsc_common_mode |= DSC_MODE_VIDEO; + /* + * If this encoder is driving more than one DSC encoder, they + * operate in tandem, same pic dimension needs to be used by + * each of them.(pp-split is assumed to be not supported) + * + */ + this_frame_slices = pic_width / dsc->slice_width; intf_ip_w = this_frame_slices * dsc->slice_width; + enc_ip_w = intf_ip_w; + + intf_ip_w /= num_intf; + + if (num_dsc > 1) + dsc_common_mode |= DSC_MODE_SPLIT_PANEL; + + if (dpu_encoder_use_dsc_merge(&dpu_enc->base)) { + dsc_common_mode |= DSC_MODE_MULTIPLEX; + /* + * in dsc merge case: when using 2 encoders for the same + * stream, no. of slices need to be same on both the + * encoders. + */ + enc_ip_w = intf_ip_w / 2; + } - /* - * dsc merge case: when using 2 encoders for the same stream, - * no. of slices need to be same on both the encoders. - */ - enc_ip_w = intf_ip_w / 2; initial_lines = dpu_encoder_dsc_initial_line_calc(dsc, enc_ip_w); - for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) + for (i = 0; i < num_dsc; i++) dpu_encoder_dsc_pipe_cfg(dpu_enc, hw_dsc[i], hw_pp[i], dsc, dsc_common_mode, initial_lines); }