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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DM6NAM11FT058.mail.protection.outlook.com (10.13.172.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5395.17 via Frontend Transport; Thu, 7 Jul 2022 14:57:32 +0000 Received: from leodev.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Thu, 7 Jul 2022 09:57:31 -0500 From: To: Subject: [PATCH 2/2] drm/amd/display: Add dcdebugmask option for disabling MPO Date: Thu, 7 Jul 2022 10:56:56 -0400 Message-ID: <20220707145656.565627-2-sunpeng.li@amd.com> X-Mailer: git-send-email 2.37.0 In-Reply-To: <20220707145656.565627-1-sunpeng.li@amd.com> References: <20220707145656.565627-1-sunpeng.li@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b8df8180-ec26-4584-e00e-08da602905a2 X-MS-TrafficTypeDiagnostic: MN2PR12MB3440:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230016)(4636009)(396003)(39860400002)(376002)(346002)(136003)(46966006)(36840700001)(40470700004)(83380400001)(8936002)(356005)(34020700004)(36860700001)(70586007)(70206006)(478600001)(8676002)(82740400003)(4326008)(36756003)(86362001)(41300700001)(81166007)(54906003)(6916009)(6666004)(47076005)(82310400005)(336012)(2876002)(426003)(2906002)(7696005)(40460700003)(1076003)(2616005)(5660300002)(40480700001)(186003)(16526019)(316002)(26005)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jul 2022 14:57:32.8801 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b8df8180-ec26-4584-e00e-08da602905a2 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT058.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB3440 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Leo Li , harry.wentland@amd.com, qingqing.zhuo@amd.com, Rodrigo.Siqueira@amd.com, Aurabindo.Pillai@amd.com, Bhawanpreet.Lakha@amd.com Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: Leo Li [Why & How] It's useful to disable MPO when debugging or testing. Therefore, add a dcdebugmask option to disable MPO. Signed-off-by: Leo Li --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 ++++ drivers/gpu/drm/amd/include/amd_shared.h | 1 + 2 files changed, 5 insertions(+) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index d7208c0b76b1..4cf11bcc01a4 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4194,6 +4194,10 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) for (i = 0; i < dm->dc->caps.max_planes; ++i) { struct dc_plane_cap *plane = &dm->dc->caps.planes[i]; + /* Do not create overlay if MPO disabled */ + if (amdgpu_dc_debug_mask & DC_DISABLE_MPO) + break; + if (plane->type != DC_PLANE_TYPE_DCN_UNIVERSAL) continue; diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index 1db21d13726d..f175e65b853a 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -249,6 +249,7 @@ enum DC_DEBUG_MASK { DC_DISABLE_CLOCK_GATING = 0x8, DC_DISABLE_PSR = 0x10, DC_FORCE_SUBVP_MCLK_SWITCH = 0x20, + DC_DISABLE_MPO = 0x40, }; enum amd_dpm_forced_level; -- 2.37.0