From patchwork Sat Apr 10 09:11:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?WW9uZyBXdSAo5ZC05YuHKQ==?= X-Patchwork-Id: 419360 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 825A8C433ED for ; Sat, 10 Apr 2021 09:13:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 60F99610D1 for ; Sat, 10 Apr 2021 09:13:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234565AbhDJJNl (ORCPT ); Sat, 10 Apr 2021 05:13:41 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:34302 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S234180AbhDJJNl (ORCPT ); Sat, 10 Apr 2021 05:13:41 -0400 X-UUID: 4c2078a3667c4e9eb62e9498c17e483f-20210410 X-UUID: 4c2078a3667c4e9eb62e9498c17e483f-20210410 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1153496210; Sat, 10 Apr 2021 17:13:23 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 10 Apr 2021 17:13:21 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 10 Apr 2021 17:13:20 +0800 From: Yong Wu To: Matthias Brugger , Joerg Roedel , Rob Herring , Krzysztof Kozlowski CC: Evan Green , Robin Murphy , Tomasz Figa , Will Deacon , , , , , , , , , Nicolas Boichat , Matthias Kaehlcke , , , , , , Subject: [PATCH v5 09/16] drm/mediatek: Use pm_runtime_resume_and_get for PM get_sync Date: Sat, 10 Apr 2021 17:11:21 +0800 Message-ID: <20210410091128.31823-10-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210410091128.31823-1-yong.wu@mediatek.com> References: <20210410091128.31823-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org pm_runtime_get_sync will increment pm usage counter even it failed. This patch use pm_runtime_resume_and_get instead of pm_runtime_get to keep usage counter balanced. Signed-off-by: Yong Wu Reviewed-by: Matthias Brugger --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 8b0de90156c6..69d23ce56d2c 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -259,7 +259,7 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc) drm_connector_list_iter_end(&conn_iter); } - ret = pm_runtime_get_sync(crtc->dev->dev); + ret = pm_runtime_resume_and_get(crtc->dev->dev); if (ret < 0) { DRM_ERROR("Failed to enable power domain: %d\n", ret); return ret;