From patchwork Tue Apr 12 07:09:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vikash Garodia X-Patchwork-Id: 12810270 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 A47F8C433EF for ; Tue, 12 Apr 2022 09:54:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353171AbiDLJ41 (ORCPT ); Tue, 12 Apr 2022 05:56:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50678 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356683AbiDLHjN (ORCPT ); Tue, 12 Apr 2022 03:39:13 -0400 Received: from alexa-out-sd-02.qualcomm.com (alexa-out-sd-02.qualcomm.com [199.106.114.39]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F6264A910; Tue, 12 Apr 2022 00:09:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1649747399; x=1681283399; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=9FF4vNk6yRnE15GSx6AQ5xIrwZzhIFpT+vwxTVN/GFo=; b=qON4xCINJ7JcFZbBkFwBJn7UljvXv8jTPAWFF7kBhSdOWXnkpmAtIDEi MpA0FMOOLrRs/JVF6Ti70W5SHIUrRplG0+d8K+TEDkvO3BAbvFtfGg9xQ kB79fK7iFE2LQUB6lGXLzZqxPrig7xOPBasz7xnGVAwOFYhmvZPgwlbOI g=; Received: from unknown (HELO ironmsg-SD-alpha.qualcomm.com) ([10.53.140.30]) by alexa-out-sd-02.qualcomm.com with ESMTP; 12 Apr 2022 00:09:58 -0700 X-QCInternal: smtphost Received: from unknown (HELO nasanex01a.na.qualcomm.com) ([10.52.223.231]) by ironmsg-SD-alpha.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Apr 2022 00:09:57 -0700 Received: from hu-vgarodia-hyd.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Tue, 12 Apr 2022 00:09:55 -0700 From: Vikash Garodia To: , CC: , Subject: [PATCH 2/2] media: venus: vdec: ensure venus is powered on during stream off Date: Tue, 12 Apr 2022 12:39:16 +0530 Message-ID: <1649747356-3207-3-git-send-email-quic_vgarodia@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1649747356-3207-1-git-send-email-quic_vgarodia@quicinc.com> References: <1649747356-3207-1-git-send-email-quic_vgarodia@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01a.na.qualcomm.com (10.52.223.231) Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Video decoder driver auto-suspends the hardware if there is no exchange of command or response for certain amount of time. In auto suspended state, it becomes mandatory to power on the hardware before requesting it to process a command. The fix ensures the hardware is powered on during stop streaming. Acked-by: Stanimir Varbanov --- drivers/media/platform/qcom/venus/vdec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c index 91da3f5..4ac1132 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -1200,6 +1200,8 @@ static void vdec_stop_streaming(struct vb2_queue *q) struct venus_inst *inst = vb2_get_drv_priv(q); int ret = -EINVAL; + vdec_pm_get_put(inst); + mutex_lock(&inst->lock); if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)