From patchwork Fri Mar 31 13:58:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Vinod Polimera X-Patchwork-Id: 668933 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 CBDA4C761A6 for ; Fri, 31 Mar 2023 13:59:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232633AbjCaN7Y (ORCPT ); Fri, 31 Mar 2023 09:59:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59168 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232663AbjCaN7T (ORCPT ); Fri, 31 Mar 2023 09:59:19 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F26E11665; Fri, 31 Mar 2023 06:59:11 -0700 (PDT) Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 32VCDXaD013987; Fri, 31 Mar 2023 13:59:08 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 : content-transfer-encoding; s=qcppdkim1; bh=0efs2B7GiN50fVn2SDR3wcVCxcPBG0kv0j0bjRmvWxo=; b=An02CWyn5G2smGq6sQ6adFPRE1QIg9FSWtTdphgkYXMobHsa+WXMKWnVr0JklDXyFfe4 cl0NLu//RzhgeX7wScjXG7JHxanO2NJg1PpaeufsTBOI3mhw4h1p2nlVtcDr9KrPuA+C LWthh4g0CM4WOkqYQKS3gxs71S0I3ZZNznyV4E1X/+u6auNyh7fw5jKVh8joSIAaRdyx FVwx+7uhGRq+uxaEwXGf4Mh+9kceu7za84Yf7+KdWEJeS/2NH4ViErmzzwyTu4M3hGpF 8lTnYWlVwgHe3IqEpHhO92BKt6IJbmGKrzidVvFVR0ISREVFSdlsWfuLFb63SvaqEG80 7A== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3pnvyuguss-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 31 Mar 2023 13:59:08 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 32VDx7Oa020018 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 31 Mar 2023 13:59:07 GMT Received: from vpolimer-linux.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Fri, 31 Mar 2023 06:59:02 -0700 From: Vinod Polimera To: , , , CC: Vinod Polimera , , , , , , , , , , , Subject: [PATCH v1 3/3] msm: skip the atomic commit of self refresh while PSR running Date: Fri, 31 Mar 2023 19:28:34 +0530 Message-ID: <1680271114-1534-4-git-send-email-quic_vpolimer@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1680271114-1534-1-git-send-email-quic_vpolimer@quicinc.com> References: <1680271114-1534-1-git-send-email-quic_vpolimer@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: MnHT4qZKxPdFf57uPNUz_MJJg1rLBTqq X-Proofpoint-ORIG-GUID: MnHT4qZKxPdFf57uPNUz_MJJg1rLBTqq 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=2023-03-31_07,2023-03-31_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 spamscore=0 adultscore=0 lowpriorityscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 malwarescore=0 mlxlogscore=873 suspectscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2303310109 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org In certain CPU stress conditions, there can be a delay in scheduling commit work and it was observed that PSR commit from a different work queue was  scheduled. Avoid these commits as display is already in PSR mode. Signed-off-by: Vinod Polimera --- drivers/gpu/drm/msm/msm_atomic.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index 645fe53..f8141bb 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.c @@ -192,6 +192,9 @@ int msm_atomic_check(struct drm_device *dev, struct drm_atomic_state *state) new_crtc_state->mode_changed = true; state->allow_modeset = true; } + + if (old_crtc_state->self_refresh_active && new_crtc_state->self_refresh_active) + return -EINVAL; } return drm_atomic_helper_check(dev, state);