From patchwork Mon May 15 03:02:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 13240652 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 0FCE0C77B7F for ; Mon, 15 May 2023 03:03:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230496AbjEODDP (ORCPT ); Sun, 14 May 2023 23:03:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55454 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229672AbjEODDO (ORCPT ); Sun, 14 May 2023 23:03:14 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2663410F0; Sun, 14 May 2023 20:03:09 -0700 (PDT) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 34F2oCRD010556; Mon, 15 May 2023 03:03:03 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-transfer-encoding : content-type; s=qcppdkim1; bh=jEGjD1EqgsIv21poC3vaXgPM07vXS+pks5OM2NnqqbQ=; b=cd7/G7axZ3YhmdyIJT3nri6UcHnbBfeRmAtOTfS+a0/rSGv9Ruq/vlY0aUn6ZTrpLeEf CzVMOLlI8mChPE/m2aZTrdp+Yh7rpLJS2y8Shl17j5WvbBatdlYILMtzioUXwW50DWH/ sEE3UWrHnm8uV/D6q8GhAj6zW1XT9TKOptAJRh2W5jcKrQlwclPVHKK9gCR+dchJkU5F jUEj8Z6yAgPWGJMvGUQA25OrX5ojVCdoxIRwwEmmI/nRGzzmTPjdZnTMyOAkJhtt0e88 pZianx8ljM+HWBK0W/2VU8NuBRjrJW1C82DqJfaUowsCBcB+D8Hz/fSA9yzRbVx7NB99 2Q== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3qj3amahdu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 15 May 2023 03:03:03 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 34F332px009566 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 15 May 2023 03:03:02 GMT Received: from hu-bjorande-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 15.2.986.42; Sun, 14 May 2023 20:03:02 -0700 From: Bjorn Andersson To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Kuogee Hsieh CC: Johan Hovold , Vinod Polimera , Sankeerth Billakanti , , , , Subject: [PATCH 2/3] drm/msm/dp: Clean up logs dp_power module Date: Sun, 14 May 2023 20:02:55 -0700 Message-ID: <20230515030256.300104-2-quic_bjorande@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230515030256.300104-1-quic_bjorande@quicinc.com> References: <20230515030256.300104-1-quic_bjorande@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) 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-GUID: TsFosy6ukuJADtMDE59KCbBrja5cPrRc X-Proofpoint-ORIG-GUID: TsFosy6ukuJADtMDE59KCbBrja5cPrRc 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=2023-05-14_18,2023-05-05_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 impostorscore=0 adultscore=0 suspectscore=0 mlxlogscore=999 bulkscore=0 spamscore=0 phishscore=0 mlxscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305150024 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The clk_bulk API already provides error messages indicating which specific clock in the request for which the operation failed, further more these errors are associated with the specific DisplayPort controller (rather than the shared drm_device). The additional error messages int he dp_power module does thereby not provide any benefit. While at it, none of the dp_power handles passed to these functions are dynamic in nature, so there should not be any need for runtime checking them. Drop these as well. Signed-off-by: Bjorn Andersson Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/dp/dp_power.c | 62 +++++-------------------------- 1 file changed, 9 insertions(+), 53 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_power.c b/drivers/gpu/drm/msm/dp/dp_power.c index c0aaabb03389..031d2eefef07 100644 --- a/drivers/gpu/drm/msm/dp/dp_power.c +++ b/drivers/gpu/drm/msm/dp/dp_power.c @@ -35,25 +35,16 @@ static int dp_power_clk_init(struct dp_power_private *power) stream = &power->parser->mp[DP_STREAM_PM]; rc = devm_clk_bulk_get(dev, core->num_clk, core->clocks); - if (rc) { - DRM_ERROR("failed to get %s clk. err=%d\n", - dp_parser_pm_name(DP_CORE_PM), rc); + if (rc) return rc; - } rc = devm_clk_bulk_get(dev, ctrl->num_clk, ctrl->clocks); - if (rc) { - DRM_ERROR("failed to get %s clk. err=%d\n", - dp_parser_pm_name(DP_CTRL_PM), rc); + if (rc) return -ENODEV; - } rc = devm_clk_bulk_get(dev, stream->num_clk, stream->clocks); - if (rc) { - DRM_ERROR("failed to get %s clk. err=%d\n", - dp_parser_pm_name(DP_CTRL_PM), rc); + if (rc) return -ENODEV; - } return 0; } @@ -121,11 +112,9 @@ int dp_power_clk_enable(struct dp_power *dp_power, mp = &power->parser->mp[DP_CORE_PM]; rc = clk_bulk_prepare_enable(mp->num_clk, mp->clocks); - if (rc) { - DRM_ERROR("fail to enable clks: %s. err=%d\n", - dp_parser_pm_name(DP_CORE_PM), rc); + if (rc) return rc; - } + dp_power->core_clks_on = true; } } @@ -133,10 +122,8 @@ int dp_power_clk_enable(struct dp_power *dp_power, mp = &power->parser->mp[pm_type]; if (enable) { rc = clk_bulk_prepare_enable(mp->num_clk, mp->clocks); - if (rc) { - DRM_ERROR("failed to enable clks, err: %d\n", rc); + if (rc) return rc; - } } else { clk_bulk_disable_unprepare(mp->num_clk, mp->clocks); } @@ -162,34 +149,19 @@ int dp_power_clk_enable(struct dp_power *dp_power, int dp_power_client_init(struct dp_power *dp_power) { - int rc = 0; struct dp_power_private *power; - if (!dp_power) { - DRM_ERROR("invalid power data\n"); - return -EINVAL; - } - power = container_of(dp_power, struct dp_power_private, dp_power); pm_runtime_enable(&power->pdev->dev); - rc = dp_power_clk_init(power); - if (rc) - DRM_ERROR("failed to init clocks %d\n", rc); - - return rc; + return dp_power_clk_init(power); } void dp_power_client_deinit(struct dp_power *dp_power) { struct dp_power_private *power; - if (!dp_power) { - DRM_ERROR("invalid power data\n"); - return; - } - power = container_of(dp_power, struct dp_power_private, dp_power); pm_runtime_disable(&power->pdev->dev); @@ -200,25 +172,14 @@ int dp_power_init(struct dp_power *dp_power, bool flip) int rc = 0; struct dp_power_private *power = NULL; - if (!dp_power) { - DRM_ERROR("invalid power data\n"); - return -EINVAL; - } - power = container_of(dp_power, struct dp_power_private, dp_power); pm_runtime_get_sync(&power->pdev->dev); rc = dp_power_clk_enable(dp_power, DP_CORE_PM, true); - if (rc) { - DRM_ERROR("failed to enable DP core clocks, %d\n", rc); - goto exit; - } - - return 0; + if (rc) + pm_runtime_put_sync(&power->pdev->dev); -exit: - pm_runtime_put_sync(&power->pdev->dev); return rc; } @@ -238,11 +199,6 @@ struct dp_power *dp_power_get(struct device *dev, struct dp_parser *parser) struct dp_power_private *power; struct dp_power *dp_power; - if (!parser) { - DRM_ERROR("invalid input\n"); - return ERR_PTR(-EINVAL); - } - power = devm_kzalloc(&parser->pdev->dev, sizeof(*power), GFP_KERNEL); if (!power) return ERR_PTR(-ENOMEM);