From patchwork Sat Jul 8 01:24:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryan McCann X-Patchwork-Id: 700361 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 8508EC001DE for ; Sat, 8 Jul 2023 01:25:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231280AbjGHBZJ (ORCPT ); Fri, 7 Jul 2023 21:25:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229990AbjGHBZH (ORCPT ); Fri, 7 Jul 2023 21:25:07 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B57EB2128; Fri, 7 Jul 2023 18:25:05 -0700 (PDT) Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3681OxOM016895; Sat, 8 Jul 2023 01:24:59 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : date : subject : mime-version : content-type : content-transfer-encoding : message-id : references : in-reply-to : to : cc; s=qcppdkim1; bh=XhEO89waCat4oa12H9KVLK2XvqufA4g1o7nKImMe3pQ=; b=SuwT4ZKq3PS7YrnamGXGja6LHPFQw4i+kQYsD/C0IVtotEepNVsqVRFr8onbA+XVXBLw k5OArDjSYRsGXYPZgWu7nbwyyxZsEzPEBek3t0DHbNnKNM0Md6EnRbGVt8abk4IMyMgX R5W8eKpxhYD5ed7lsxjCm6rlWwNt/5GkZSZkzHsXi5TwqC19iiEREhd05MKXeKduM3nk 0l0Q/eYcgmIXk67RY5jA5XKhlbn/8G8kr/szhlkfGqf5uBcCH8Xh0xqYWXWERmN0Cs+/ enSimLaqPbra8ne7QQSsqYIKVXAmW6g9I57BXkc7JJV4+fsDMXviImd1MF8ntuLn0eYK Aw== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3rp8a62usr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 08 Jul 2023 01:24:59 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3681OwdA015420 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 8 Jul 2023 01:24:58 GMT Received: from hu-rmccann-lv.qualcomm.com (10.49.16.6) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Fri, 7 Jul 2023 18:24:58 -0700 From: Ryan McCann Date: Fri, 7 Jul 2023 18:24:45 -0700 Subject: [PATCH v5 6/6] drm/msm/dpu: Update dev core dump to dump registers of sub-blocks MIME-Version: 1.0 Message-ID: <20230622-devcoredump_patch-v5-6-67e8b66c4723@quicinc.com> References: <20230622-devcoredump_patch-v5-0-67e8b66c4723@quicinc.com> In-Reply-To: <20230622-devcoredump_patch-v5-0-67e8b66c4723@quicinc.com> To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , David Airlie , Daniel Vetter CC: Rob Clark , , , , , , Ryan McCann X-Mailer: b4 0.13-dev-8a804 X-Developer-Signature: v=1; a=ed25519-sha256; t=1688779496; l=4762; i=quic_rmccann@quicinc.com; s=20230622; h=from:subject:message-id; bh=McF3qtCPE6fgUtFjcMI7OcWUeu/nJFvGk3kHc+5g1+8=; b=mKYfbpiaJfX80R5/wqiDMwPx17XO7Od2wXTicUDx3awg0kBXdeFjYjMDJ5H3U6QcA62rjYBV9 dpeVv1c/sFSCICOWgG2IdmK7UlVvoTSmzCUCDir99H5aHldGdjj2xNs X-Developer-Key: i=quic_rmccann@quicinc.com; a=ed25519; pk=d/uP3OwPGpj/bTtiHvV1RBZ2S6q4AL6j1+A5y+dmbTI= X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01a.na.qualcomm.com (10.47.209.196) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 3U0NwMF6WGJ3Z_wQF_8Q5KL1MWKflImp X-Proofpoint-GUID: 3U0NwMF6WGJ3Z_wQF_8Q5KL1MWKflImp X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-07_16,2023-07-06_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 clxscore=1015 phishscore=0 mlxlogscore=999 bulkscore=0 spamscore=0 impostorscore=0 mlxscore=0 adultscore=0 malwarescore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307080010 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Currently, the device core dump mechanism does not dump registers of sub-blocks within the DSPP, SSPP, DSC, and PINGPONG blocks. Edit dpu_kms_mdp_snapshot function to account for sub-blocks. Signed-off-by: Ryan McCann Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 66 +++++++++++++++++++++++++++------ 1 file changed, 54 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 7a2787279ba0..f7199a5c45ab 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -890,6 +890,7 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k int i; struct dpu_kms *dpu_kms; const struct dpu_mdss_cfg *cat; + void __iomem *base; dpu_kms = to_dpu_kms(kms); @@ -903,9 +904,16 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k dpu_kms->mmio + cat->ctl[i].base, cat->ctl[i].name); /* dump DSPP sub-blocks HW regs info */ - for (i = 0; i < cat->dspp_count; i++) - msm_disp_snapshot_add_block(disp_state, cat->dspp[i].len, - dpu_kms->mmio + cat->dspp[i].base, cat->dspp[i].name); + for (i = 0; i < cat->dspp_count; i++) { + base = dpu_kms->mmio + cat->dspp[i].base; + msm_disp_snapshot_add_block(disp_state, cat->dspp[i].len, base, cat->dspp[i].name); + + if (cat->dspp[i].sblk && cat->dspp[i].sblk->pcc.len > 0) + msm_disp_snapshot_add_block(disp_state, cat->dspp[i].sblk->pcc.len, + base + cat->dspp[i].sblk->pcc.base, "%s_%s", + cat->dspp[i].name, + cat->dspp[i].sblk->pcc.name); + } /* dump INTF sub-blocks HW regs info */ for (i = 0; i < cat->intf_count; i++) @@ -913,14 +921,37 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k dpu_kms->mmio + cat->intf[i].base, cat->intf[i].name); /* dump PP sub-blocks HW regs info */ - for (i = 0; i < cat->pingpong_count; i++) - msm_disp_snapshot_add_block(disp_state, cat->pingpong[i].len, - dpu_kms->mmio + cat->pingpong[i].base, cat->pingpong[i].name); + for (i = 0; i < cat->pingpong_count; i++) { + base = dpu_kms->mmio + cat->pingpong[i].base; + msm_disp_snapshot_add_block(disp_state, cat->pingpong[i].len, base, + cat->pingpong[i].name); + + /* TE2 sub-block has length of 0, so will not print it */ + + if (cat->pingpong[i].sblk && cat->pingpong[i].sblk->dither.len > 0) + msm_disp_snapshot_add_block(disp_state, cat->pingpong[i].sblk->dither.len, + base + cat->pingpong[i].sblk->dither.base, + "%s_%s", cat->pingpong[i].name, + cat->pingpong[i].sblk->dither.name); + } /* dump SSPP sub-blocks HW regs info */ - for (i = 0; i < cat->sspp_count; i++) - msm_disp_snapshot_add_block(disp_state, cat->sspp[i].len, - dpu_kms->mmio + cat->sspp[i].base, cat->sspp[i].name); + for (i = 0; i < cat->sspp_count; i++) { + base = dpu_kms->mmio + cat->sspp[i].base; + msm_disp_snapshot_add_block(disp_state, cat->sspp[i].len, base, cat->sspp[i].name); + + if (cat->sspp[i].sblk && cat->sspp[i].sblk->scaler_blk.len > 0) + msm_disp_snapshot_add_block(disp_state, cat->sspp[i].sblk->scaler_blk.len, + base + cat->sspp[i].sblk->scaler_blk.base, + "%s_%s", cat->sspp[i].name, + cat->sspp[i].sblk->scaler_blk.name); + + if (cat->sspp[i].sblk && cat->sspp[i].sblk->csc_blk.len > 0) + msm_disp_snapshot_add_block(disp_state, cat->sspp[i].sblk->csc_blk.len, + base + cat->sspp[i].sblk->csc_blk.base, + "%s_%s", cat->sspp[i].name, + cat->sspp[i].sblk->csc_blk.name); + } /* dump LM sub-blocks HW regs info */ for (i = 0; i < cat->mixer_count; i++) @@ -943,9 +974,20 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k } /* dump DSC sub-blocks HW regs info */ - for (i = 0; i < cat->dsc_count; i++) - msm_disp_snapshot_add_block(disp_state, cat->dsc[i].len, - dpu_kms->mmio + cat->dsc[i].base, cat->dsc[i].name); + for (i = 0; i < cat->dsc_count; i++) { + base = dpu_kms->mmio + cat->dsc[i].base; + msm_disp_snapshot_add_block(disp_state, cat->dsc[i].len, base, cat->dsc[i].name); + + if (cat->dsc[i].features & BIT(DPU_DSC_HW_REV_1_2)) { + struct dpu_dsc_blk enc = cat->dsc[i].sblk->enc; + struct dpu_dsc_blk ctl = cat->dsc[i].sblk->ctl; + + msm_disp_snapshot_add_block(disp_state, enc.len, base + enc.base, "%s_%s", + cat->dsc[i].name, enc.name); + msm_disp_snapshot_add_block(disp_state, ctl.len, base + ctl.base, "%s_%s", + cat->dsc[i].name, ctl.name); + } + } pm_runtime_put_sync(&dpu_kms->pdev->dev); }