From patchwork Tue Mar 28 09:14:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 13190701 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 698DEC76196 for ; Tue, 28 Mar 2023 09:15:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232530AbjC1JPU (ORCPT ); Tue, 28 Mar 2023 05:15:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232428AbjC1JPP (ORCPT ); Tue, 28 Mar 2023 05:15:15 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A1D265272; Tue, 28 Mar 2023 02:15:03 -0700 (PDT) X-UUID: 00ac406ccd4911edb6b9f13eb10bd0fe-20230328 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=Jw+aLfnj7i1Y8FcmfwnIOGelpoF+TqByMoYNXug1t7Q=; b=OcEaPKvxMQ14xNxx6wJXYeaHzfoPvaARf698UcQ2Rg5E4bnbIsjzHdqBGNv7oei9P+V1XghR5OfqtmeVKNw0tmke3BG3GyBjlnVtbRDeLWrt79jz6A4GB8E0aIUpD+F2cB+aUbHXywPbyTMjJjQgmzZS75feSbQNfbHoXohRinw=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.22,REQID:96ae60e6-dc3e-4fbf-b32a-1c1d7f1fd7b6,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:120426c,CLOUDID:768928f7-ddba-41c3-91d9-10eeade8eac7,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-UUID: 00ac406ccd4911edb6b9f13eb10bd0fe-20230328 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1699274130; Tue, 28 Mar 2023 17:14:54 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.25; Tue, 28 Mar 2023 17:14:53 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.25 via Frontend Transport; Tue, 28 Mar 2023 17:14:52 +0800 From: Yunfei Dong To: Yunfei Dong , Chen-Yu Tsai , Nicolas Dufresne , Hans Verkuil , AngeloGioacchino Del Regno , Benjamin Gaignard , =?utf-8?q?N=C3=ADcolas?= =?utf-8?q?_F_=2E_R_=2E_A_=2E_Prado?= CC: Matthias Brugger , Hsin-Yi Wang , Fritz Koenig , Daniel Vetter , Steve Cho , , , , , , Subject: [PATCH 1/2] media: mediatek: vcodec: fix decoder disable pm crash Date: Tue, 28 Mar 2023 17:14:49 +0800 Message-ID: <20230328091451.21979-1-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Can't call pm_runtime_disable when the architecture support sub device for 'dev->pm.dev' is NUll, or will get below crash log. [ 10.771551] pc : _raw_spin_lock_irq+0x4c/0xa0 [ 10.771556] lr : __pm_runtime_disable+0x30/0x130 [ 10.771558] sp : ffffffc01e4cb800 [ 10.771559] x29: ffffffc01e4cb800 x28: ffffffdf082108a8 [ 10.771563] x27: ffffffc01e4cbd70 x26: ffffff8605df55f0 [ 10.771567] x25: 0000000000000002 x24: 0000000000000002 [ 10.771570] x23: ffffff85c0dc9c00 x22: 0000000000000001 [ 10.771573] x21: 0000000000000001 x20: 0000000000000000 [ 10.771577] x19: 00000000000000f4 x18: ffffffdf2e9fbe18 [ 10.771580] x17: 0000000000000000 x16: ffffffdf2df13c74 [ 10.771583] x15: 00000000000002ea x14: 0000000000000058 [ 10.771587] x13: ffffffdf2de1b62c x12: ffffffdf2e9e30e4 [ 10.771590] x11: 0000000000000000 x10: 0000000000000001 [ 10.771593] x9 : 0000000000000000 x8 : 00000000000000f4 [ 10.771596] x7 : 6bff6264632c6264 x6 : 0000000000008000 [ 10.771600] x5 : 0080000000000000 x4 : 0000000000000001 [ 10.771603] x3 : 0000000000000008 x2 : 0000000000000001 [ 10.771608] x1 : 0000000000000000 x0 : 00000000000000f4 [ 10.771613] Call trace: [ 10.771617] _raw_spin_lock_irq+0x4c/0xa0 [ 10.771620] __pm_runtime_disable+0x30/0x130 [ 10.771657] mtk_vcodec_probe+0x69c/0x728 [mtk_vcodec_dec 800cc929d6631f79f9b273254c8db94d0d3500dc] [ 10.771662] platform_drv_probe+0x9c/0xbc [ 10.771665] really_probe+0x13c/0x3a0 [ 10.771668] driver_probe_device+0x84/0xc0 [ 10.771671] device_driver_attach+0x54/0x78 Fixes: ba31a5b39400 ("media: mtk-vcodec: Remove mtk_vcodec_release_dec_pm") Signed-off-by: Yunfei Dong --- - Won't crash when the driver running in error condition. --- drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c index bba7b932f4fa..2b6eaa222846 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c @@ -454,7 +454,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev) if (IS_VDEC_LAT_ARCH(dev->vdec_pdata->hw_arch)) destroy_workqueue(dev->core_workqueue); err_res: - pm_runtime_disable(dev->pm.dev); + if (!dev->vdec_pdata->is_subdev_supported) + pm_runtime_disable(dev->pm.dev); err_dec_pm: mtk_vcodec_fw_release(dev->fw_handler); return ret; From patchwork Tue Mar 28 09:14:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 13190700 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 D4693C77B61 for ; Tue, 28 Mar 2023 09:15:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232419AbjC1JPT (ORCPT ); Tue, 28 Mar 2023 05:15:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232392AbjC1JPP (ORCPT ); Tue, 28 Mar 2023 05:15:15 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A09E7100; Tue, 28 Mar 2023 02:15:03 -0700 (PDT) X-UUID: 0145ee56cd4911edb6b9f13eb10bd0fe-20230328 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=RSvJJIzc07jNs5xyFBfiiy/4bckZKwo6oSXXK8nF9/0=; b=mAcwyYQ5gwQbbba4RgMcuWExThH5n0lsu7XSXKT4OORrgOEmxC8TQOZMGRsoCNj2YdIbC9KEXK8R3zJq94kW2wQYiSGzhTCXcEVElgBoUW/9gq08yZq1UzVkoKgsa1Ec5jXfWZ2aI4/4/JKpwCZ6njZJNdlmk0QNO2xdUVWnhII=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.22,REQID:a0116e93-fbae-4945-aa9b-9261989c2d6b,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:90 X-CID-INFO: VERSION:1.1.22,REQID:a0116e93-fbae-4945-aa9b-9261989c2d6b,IP:0,URL :0,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_GS981B3D,ACTIO N:quarantine,TS:90 X-CID-META: VersionHash:120426c,CLOUDID:778928f7-ddba-41c3-91d9-10eeade8eac7,B ulkID:230328171456U74Z9494,BulkQuantity:0,Recheck:0,SF:38|29|28|17|19|48,T C:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 ,OSI:0,OSA:0,AV:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-UUID: 0145ee56cd4911edb6b9f13eb10bd0fe-20230328 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 17486555; Tue, 28 Mar 2023 17:14:55 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.25; Tue, 28 Mar 2023 17:14:54 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.25 via Frontend Transport; Tue, 28 Mar 2023 17:14:53 +0800 From: Yunfei Dong To: Yunfei Dong , Chen-Yu Tsai , Nicolas Dufresne , Hans Verkuil , AngeloGioacchino Del Regno , Benjamin Gaignard , =?utf-8?q?N=C3=ADcolas?= =?utf-8?q?_F_=2E_R_=2E_A_=2E_Prado?= CC: Matthias Brugger , Hsin-Yi Wang , Fritz Koenig , Daniel Vetter , Steve Cho , , , , , , Subject: [PATCH 2/2] media: mediatek: vcodec: add remove function for decoder platform driver Date: Tue, 28 Mar 2023 17:14:50 +0800 Message-ID: <20230328091451.21979-2-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230328091451.21979-1-yunfei.dong@mediatek.com> References: <20230328091451.21979-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Need to disable decoder power when remove decoder hardware driver, adding remove callback function in the definition of platform driver. Fixes: c05bada35f01 ("media: mtk-vcodec: Add to support multi hardware decode") Signed-off-by: Yunfei Dong --- - test pass when remove and insmod decoder hardware driver. --- .../media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c index 376db0e433d7..b753bf54ebd9 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c @@ -193,8 +193,16 @@ static int mtk_vdec_hw_probe(struct platform_device *pdev) return ret; } +static int mtk_vdec_hw_remove(struct platform_device *pdev) +{ + pm_runtime_disable(&pdev->dev); + + return 0; +} + static struct platform_driver mtk_vdec_driver = { .probe = mtk_vdec_hw_probe, + .remove = mtk_vdec_hw_remove, .driver = { .name = "mtk-vdec-comp", .of_match_table = mtk_vdec_hw_match,