Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Received-SPF: TempError (protection.outlook.com: error in processing during
 lookup of arm.com: DNS Timeout)
From:   Mihail Atanassov <Mihail.Atanassov@arm.com>
To:     "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>
CC:     Mihail Atanassov <Mihail.Atanassov@arm.com>, nd <nd@arm.com>,
        "james qian wang (Arm Technology China)" <james.qian.wang@arm.com>,
        Liviu Dudau <Liviu.Dudau@arm.com>,
        Brian Starkey <Brian.Starkey@arm.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH] drm/komeda: Don't flush inactive pipes
Thread-Topic: [PATCH] drm/komeda: Don't flush inactive pipes
Thread-Index: AQHVf1Wv2yHbm0bBS0KhNr2i/1d6YQ==
Date:   Thu, 10 Oct 2019 10:30:07 +0000
Message-ID: <20191010102950.56253-1-mihail.atanassov@arm.com>
Accept-Language: en-GB, en-US
Content-Language: en-US
Authentication-Results-Original: spf=none (sender IP is )
 smtp.mailfrom=Mihail.Atanassov@arm.com; 
x-ms-exchange-messagesentrepresentingtype: 1
x-ms-publictraffictype: Email
X-MS-Office365-Filtering-Correlation-Id: 9073d643-5466-4781-0832-08d74d6cdd32
X-MS-Office365-Filtering-HT: Tenant
X-MS-TrafficTypeDiagnostic: VI1PR08MB5552:|VI1PR08MB5552:|DBBPR08MB4346:
x-ms-exchange-transport-forked: True
X-Microsoft-Antispam-PRVS: <DBBPR08MB4346317037AFB028CEB354EE8F940@DBBPR08MB4346.eurprd08.prod.outlook.com>
x-checkrecipientrouted: true
x-ms-oob-tlc-oobclassifiers: OLM:210;OLM:210;
x-forefront-prvs: 018632C080
X-Forefront-Antispam-Report-Untrusted: SFV:NSPM;SFS:(10009020)(4636009)(136003)(396003)(39860400002)(346002)(376002)(366004)(189003)(199004)(386003)(6506007)(6486002)(4744005)(14454004)(1076003)(5640700003)(2906002)(6436002)(102836004)(2501003)(81166006)(6916009)(8676002)(81156014)(50226002)(36756003)(486006)(476003)(86362001)(2616005)(8936002)(186003)(26005)(6512007)(2351001)(52116002)(44832011)(3846002)(71200400001)(6116002)(256004)(71190400001)(5660300002)(99286004)(14444005)(66446008)(305945005)(66946007)(54906003)(64756008)(66556008)(66476007)(478600001)(4326008)(25786009)(66066001)(316002)(7736002);DIR:OUT;SFP:1101;SCL:1;SRVR:VI1PR08MB5552;H:VI1PR08MB4078.eurprd08.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1;
received-spf: None (protection.outlook.com: arm.com does not designate
 permitted sender hosts)
X-MS-Exchange-SenderADCheck: 1
X-Microsoft-Antispam-Untrusted: BCL:0;
X-Microsoft-Antispam-Message-Info-Original: O3E/VkTguXfS7hHZHCVxt4j3qrQ0dAJFdsiOidmum9Dil6J39bPPCAw+bejUfK65g7Gtt3Om0o8gZ3lZXKDUwSsMerM/rsT580FVxmgieZ3ZQQnTQ1BqrZ14hBwFZJ/aiTqA5Gkfxb/Q4UNNffQDEVlz0jbX8Zq2ky1V/Mxaq9XbGSOsc7Z0yUti5Yk7LuUp0kIh/wcK8Swqmd126oScPqp+WqLfsUMaV4M7YWYIW7ljZzUhWJ5J52oX4qZquCCX0fjDQwIMuZL1e1zt0/dH0pTOAxqZyKEm8lzeTZN/c+TFdzuI0CB4gTj2McSkFSjInXAcSvCGXrMG0vRJv77IDMaZhxnlr8Ri4tqOHtU4aTxX1q/O3zUZkE/vh2soQgjs8EATMXDBLY8fXcgGEYOyo0mwkn76w+5nDHx1EvapkcQ=
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR08MB5552
Original-Authentication-Results: spf=none (sender IP is )
 smtp.mailfrom=Mihail.Atanassov@arm.com; 
X-EOPAttributedMessage: 0
X-MS-Exchange-Transport-CrossTenantHeadersStripped: VE1EUR03FT007.eop-EUR03.prod.protection.outlook.com
X-Forefront-Antispam-Report: CIP:63.35.35.123;IPV:CAL;SCL:-1;CTRY:IE;EFV:NLI;SFV:NSPM;SFS:(10009020)(4636009)(346002)(39860400002)(376002)(396003)(136003)(199004)(189003)(6486002)(5640700003)(4326008)(2906002)(23756003)(336012)(2616005)(486006)(36756003)(126002)(476003)(6862004)(8676002)(81166006)(50466002)(6512007)(14444005)(76130400001)(81156014)(7736002)(70206006)(305945005)(356004)(70586007)(66066001)(2501003)(47776003)(3846002)(6116002)(63350400001)(4744005)(86362001)(99286004)(2351001)(6506007)(54906003)(386003)(186003)(102836004)(22756006)(25786009)(8936002)(316002)(36906005)(1076003)(8746002)(26826003)(14454004)(5660300002)(50226002)(26005)(478600001);DIR:OUT;SFP:1101;SCL:1;SRVR:DBBPR08MB4346;H:64aa7808-outbound-1.mta.getcheckrecipient.com;FPR:;SPF:TempError;LANG:en;PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com;A:1;MX:1;
X-MS-Office365-Filtering-Correlation-Id-Prvs: 1f486e70-896a-402f-f362-08d74d6cd257
NoDisclaimer: True
X-Forefront-PRVS: 018632C080
X-Microsoft-Antispam: BCL:0;
X-Microsoft-Antispam-Message-Info: Nk/swiuTfCJDGo2Cy/smGcFOcgmDZFsrusfNUfqhMuVF/nwlYHvD/k3fyIAP3mbOHuy1VgwTS4+lsz3smA9aUB4TpQbv9dAv5oeQCNJsk6XCl1z660Do7F7RoT/Z50fGJGiVrlRawNpGp47X+MfC3ocrnrldZRnkRIQjA49OWp0EC6OA7ABPMyCP4rgCLGTRHj3xC88up3kRQqj+LOWto4WGU1QuHZRM21mkuIIYves8h0TC2qFBUuKcpgoAohESNIKdhbYpBBSq6YnMw2J6xoR8LfzjkvQDAO+HRJuG8cO3jYMaQzNJGlh5And7fwB17wT+MVHxFES2eE8cF2zKZB4bZ6xDjG5DQ800qDYBGF0wxoh7rIhvxGtOmgayXiowUr/rDiDtScCyTwaPX95s0HGyhqU/9n33XlEAV7y6fZE=
X-OriginatorOrg: arm.com
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Oct 2019 10:30:25.7954
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: 9073d643-5466-4781-0832-08d74d6cdd32
X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com]
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: DBBPR08MB4346
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

HW doesn't allow flushing inactive pipes and raises an MERR interrupt
if you try to do so. Stop triggering the MERR interrupt in the
middle of a commit by calling drm_atomic_helper_commit_planes
with the ACTIVE_ONLY flag.

Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com>
---
 drivers/gpu/drm/arm/display/komeda/komeda_kms.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/=
drm/arm/display/komeda/komeda_kms.c
index 8820ce15ce37..ae274902ff92 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
@@ -82,7 +82,8 @@ static void komeda_kms_commit_tail(struct drm_atomic_stat=
e *old_state)
=20
 	drm_atomic_helper_commit_modeset_disables(dev, old_state);
=20
-	drm_atomic_helper_commit_planes(dev, old_state, 0);
+	drm_atomic_helper_commit_planes(dev, old_state,
+					DRM_PLANE_COMMIT_ACTIVE_ONLY);
=20
 	drm_atomic_helper_commit_modeset_enables(dev, old_state);
=20
--=20
2.23.0