From mboxrd@z Thu Jan 1 00:00:00 1970 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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED autolearn=unavailable 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 40F19C43381 for ; Thu, 21 Mar 2019 01:36:40 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0DCBB218D3 for ; Thu, 21 Mar 2019 01:36:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Israv9es" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0DCBB218D3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Date:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=r1Szmt0z2fTyyp4XxejgkdCuWjAZSOAcnBBtFnF7Q78=; b=Israv9esqn4x9n EaBN7FnDMJxgdER8k8EDIclP1j+ub03fjk584Xs6MZPrVOg1Ju+AJ6s+cw/Fp2AZz7c1wYXGn+zqc PJl7FLn5nyUe5OsAdsPLkgo7Tj7WnMRTicwIN1sEJlLdJTjMDf2J4n1PacDpUP+SpR2nQiE5idvD6 5kIoHKFhpYPdFInkqYyqFwdoV70W6oPhDhkqrc1ivNHRw++0EpVBoLqhn/MWFzWZJ5VgLgeOfPhPz MWoqjum7yzokGbLFrNN/l6ynbAtf4JqbcENjt+nnT/gMPnEEkX61Ki6DYGtsSke5S8fKbk1KR9Vdw gEbnvzlwml+5a73PJO3A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h6mdG-0006aX-Dk; Thu, 21 Mar 2019 01:36:34 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h6mdC-0006ZM-4f; Thu, 21 Mar 2019 01:36:31 +0000 X-UUID: 0bb8eb0cddb249159864a1896320b920-20190320 X-UUID: 0bb8eb0cddb249159864a1896320b920-20190320 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1516313428; Wed, 20 Mar 2019 17:36:16 -0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 20 Mar 2019 18:36:15 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkcas08.mediatek.inc (172.21.101.126) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 21 Mar 2019 09:36:13 +0800 Received: from [172.21.77.4] (172.21.77.4) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 21 Mar 2019 09:36:13 +0800 Message-ID: <1553132173.18216.16.camel@mtksdaap41> Subject: Re: Aw: [PATCH v2] gpu/drm: mediatek: call mtk_dsi_stop() after mtk_drm_crtc_atomic_disable() From: CK Hu To: Frank Wunderlich Date: Thu, 21 Mar 2019 09:36:13 +0800 In-Reply-To: References: <20190320071825.20268-1-hsinyi@chromium.org> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190320_183630_184934_23BB39F1 X-CRM114-Status: UNSURE ( 8.72 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Vetter , David Airlie , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, Philipp Zabel , Hsin-Yi Wang , Matthias Brugger , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Frank: On Wed, 2019-03-20 at 19:01 +0100, Frank Wunderlich wrote: > Hi, > > i hoped this fixes my warning (maybe have similar cause) on bananapi-r2/mt7623 This patch fix the problem of dsi driver. Your case is hdmi output which does not go through dsi hardware. So your problem is another cause. Regards, CK > > [ 6.872034] WARNING: CPU: 2 PID: 160 at drivers/gpu/drm/drm_atomic_helper.c:1 > 430 drm_atomic_helper_wait_for_vblanks.part.1+0x2a4/0x2a8 > [ 6.872038] [CRTC:36:crtc-0] vblank wait timed out > > ... > > [ 6.872127] [] (__warn) from [] (warn_slowpath_fmt+0x58/0 > x74) > [ 6.872136] r9:00000000 r8:00000001 r7:00000000 r6:00000001 r5:c0d7da9c r4:c > 1008c48 > [ 6.872145] [] (warn_slowpath_fmt) from [] (drm_atomic_helper_wait_for_vblanks.part.1+0x2a4/0x2a8) > [ 6.872150] r3:00000024 r2:c0d7da9c > [ 6.872154] r5:00000000 r4:d991f440 > [ 6.872164] [] (drm_atomic_helper_wait_for_vblanks.part.1) from [] (drm_atomic_helper_wait_for_vblanks+0x24/0x28) > [ 6.872172] r10:dae68f28 r9:dae68f38 r8:00000000 r7:d9f759c0 r6:d991ec00 r5:d9f759c0 > [ 6.872175] r4:00000005 > [ 6.872185] [] (drm_atomic_helper_wait_for_vblanks) from [] (mtk_atomic_complete+0x98/0xc0) > [ 6.872194] [] (mtk_atomic_complete) from [] (mtk_atomic_commit+0xc8/0xcc) > [ 6.872201] r7:d9f759c0 r6:dae68e40 r5:d991ec00 r4:00000000 > [ 6.872211] [] (mtk_atomic_commit) from [] (drm_atomic_commit+0x54/0x60) > [ 6.872219] r10:00000002 r9:d9f74eac r8:00000001 r7:d98d5700 r6:d991ec00 r5:d9f759c0 > [ 6.872223] r4:00000000 r3:c060af2c > [ 6.872234] [] (drm_atomic_commit) from [] (restore_fbdev_mode_atomic+0x1d4/0x1e4) > [ 6.872241] r7:d98d5700 r6:00000001 r5:d991edb0 r4:d9f759c0 > [ 6.872251] [] (restore_fbdev_mode_atomic) from [] (restore_fbdev_mode+0x5c/0x194) > [ 6.872260] r10:00000000 r9:d991ecdc r8:d98d57b4 r7:00000000 r6:d98d5700 r5:d98d5700 > [ 6.872263] r4:00000000 > [ 6.872274] [] (restore_fbdev_mode) from [] (drm_fb_helper_restore_fbdev_mode_unlocked+0x64/0xb0) > [ 6.872282] r10:00000000 r9:d991ecdc r8:d98d57b4 r7:00000000 r6:c10824c8 r5:d98d5700 > [ 6.872285] r4:00000000 > [ 6.872296] [] (drm_fb_helper_restore_fbdev_mode_unlocked) from [] (drm_fb_helper_set_par+0x40/0x64) > [ 6.872304] r9:d991ecdc r8:d991ec8c r7:c0d82d88 r6:d98d57b4 r5:00000000 r4:00000000 > [ 6.872315] [] (drm_fb_helper_set_par) from [] (drm_fb_helper_hotplug_event.part.11+0xb0/0xb8) > [ 6.872319] r5:00000000 r4:d98d5700 > [ 6.872330] [] (drm_fb_helper_hotplug_event.part.11) from [] (drm_fbdev_client_hotplug+0x13c/0x1d8) > [ 6.872337] r7:c0d82d88 r6:d991eca0 r5:d991ec00 r4:d98d5700 > [ 6.872348] [] (drm_fbdev_client_hotplug) from [] (drm_client_dev_hotplug+0x84/0xc0) > > this crash also happens without fbdev-patch > > my codebase: https://github.com/frank-w/BPI-R2-4.14/commits/5.1-hdmi > > regards Frank _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel