From patchwork Tue Apr 12 13:15:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vikash Garodia X-Patchwork-Id: 12810827 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 172ABC433EF for ; Tue, 12 Apr 2022 13:23:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356164AbiDLNZe (ORCPT ); Tue, 12 Apr 2022 09:25:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59914 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356037AbiDLNY5 (ORCPT ); Tue, 12 Apr 2022 09:24:57 -0400 Received: from alexa-out-sd-01.qualcomm.com (alexa-out-sd-01.qualcomm.com [199.106.114.38]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2BF4D3C4A9; Tue, 12 Apr 2022 06:15:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1649769334; x=1681305334; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=Q7iWkEWIdBwMq/H4dYnh9ITsKreitgfNDb9VSXaQlow=; b=jtZRV8iHyNOlgV62DiohSsfe5aNnLJCCqSwgXJbBSeMmSCXPecB2g24e LfYIQ8JC47RFkDkOXtjn3bSGGal/av59Zu3EQImKnT5zEX1Qois7E5TWt Do0WBIMBJAADkpZn/hjz+ucJjKM02DScr5PTS5Gdi85O7QdP76MoawcgF 8=; Received: from unknown (HELO ironmsg01-sd.qualcomm.com) ([10.53.140.141]) by alexa-out-sd-01.qualcomm.com with ESMTP; 12 Apr 2022 06:15:34 -0700 X-QCInternal: smtphost Received: from unknown (HELO nasanex01a.na.qualcomm.com) ([10.52.223.231]) by ironmsg01-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Apr 2022 06:15:33 -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 06:15:31 -0700 From: Vikash Garodia To: , CC: , Subject: [PATCH v2 2/2] media: venus: vdec: ensure venus is powered on during stream off Date: Tue, 12 Apr 2022 18:45:11 +0530 Message-ID: <1649769311-22622-3-git-send-email-quic_vgarodia@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1649769311-22622-1-git-send-email-quic_vgarodia@quicinc.com> References: <1649769311-22622-1-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. Signed-off-by: Vikash Garodia 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)