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SFS:(13230022)(4636009)(39860400002)(396003)(376002)(346002)(136003)(451199015)(36840700001)(40470700004)(46966006)(6916009)(82310400005)(6666004)(36756003)(2906002)(40480700001)(316002)(8676002)(426003)(36860700001)(82740400003)(4326008)(5660300002)(70586007)(70206006)(81166007)(47076005)(54906003)(186003)(478600001)(1076003)(26005)(83380400001)(8936002)(336012)(16526019)(356005)(2616005)(40460700003)(41300700001)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Sep 2022 00:19:19.4425 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a258b20d-4357-4762-ad51-08da9c30179f 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: BN8NAM11FT068.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR12MB5507 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: stylon.wang@amd.com, Sunpeng.Li@amd.com, Harry.Wentland@amd.com, qingqing.zhuo@amd.com, Jasdeep Dhillon , Rodrigo.Siqueira@amd.com, roman.li@amd.com, Wenjing Liu , solomon.chiu@amd.com, Aurabindo.Pillai@amd.com, Ariel Bernstein , wayne.lin@amd.com, Bhawanpreet.Lakha@amd.com, agustin.gutierrez@amd.com, pavle.kotarac@amd.com Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: Wenjing Liu [why] vid stream control is double bufferred, if we don't wait for video stream enable set to 0, we may get temporary image corruption showing on the stream when setting PIXEL_TO_SYMBOL_FIFO_ENABLE to 0. Reviewed-by: Ariel Bernstein Acked-by: Jasdeep Dhillon Signed-off-by: Wenjing Liu --- .../drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c index 23621ff08c90..52fb2bf3d578 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c @@ -150,9 +150,9 @@ static void dcn31_hpo_dp_stream_enc_dp_blank( * 10us*5000=50ms. This covers 41.7ms of minimum 24 Hz mode + * a little more because we may not trust delay accuracy. */ - //REG_WAIT(DP_SYM32_ENC_VID_STREAM_CONTROL, - // VID_STREAM_STATUS, 0, - // 10, 5000); + REG_WAIT(DP_SYM32_ENC_VID_STREAM_CONTROL, + VID_STREAM_STATUS, 0, + 10, 5000); /* Disable SDP tranmission */ REG_UPDATE(DP_SYM32_ENC_SDP_CONTROL, -- 2.25.1