From patchwork Thu Dec 2 06:40:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SmFzb24tSkggTGluICjmnpfnnb/npaUp?= X-Patchwork-Id: 12651817 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2FE67C433F5 for ; Thu, 2 Dec 2021 06:41:14 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 758086E9DB; Thu, 2 Dec 2021 06:41:06 +0000 (UTC) Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by gabe.freedesktop.org (Postfix) with ESMTPS id A6C3C6E9D6 for ; Thu, 2 Dec 2021 06:41:04 +0000 (UTC) X-UUID: 255e95901b634eafbfefd4bb363204fe-20211202 X-UUID: 255e95901b634eafbfefd4bb363204fe-20211202 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 23771368; Thu, 02 Dec 2021 14:41:00 +0800 Received: from mtkexhb02.mediatek.inc (172.21.101.103) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Thu, 2 Dec 2021 14:40:59 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 2 Dec 2021 14:40:58 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 2 Dec 2021 14:40:58 +0800 From: jason-jh.lin To: Chun-Kuang Hu , Philipp Zabel , Matthias Brugger , Subject: [PATCH v4 0/2] Fix mediatek-drm suspend and resume issue Date: Thu, 2 Dec 2021 14:40:37 +0800 Message-ID: <20211202064039.20797-1-jason-jh.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fshao@chromium.org, David Airlie , "jason-jh.lin" , singo.chang@mediatek.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, nancy.lin@mediatek.com, linux-mediatek@lists.infradead.org, hsinyi@chromium.org, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Change in v4: - change completment function to wait_for_event. - release the mbox channel when device_link_add fail with cmdq and still return 0 because drm can configure register by cpu. Change in v3: - fix return typo: modify -NOEDV to -ENODEV. - add missing complete function in ddp_cmdq_cb. Change in v2: - rollback adding cmdq_mbox_flush in cmdq_suspend and add blocking config mode for mtk_drm_crtc_atomic_disable. - add return error when device_link_add fail. - change the first parameter of device_link_add from dev to priv->dev. jason-jh.lin (2): drm/mediatek: add wait_for_event for crtc disable by cmdq drm/mediatek: add devlink to cmdq dev drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 51 ++++++++++++++++++++----- 1 file changed, 41 insertions(+), 10 deletions(-)