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CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230001)(4636009)(40470700004)(36840700001)(46966006)(7696005)(86362001)(26005)(70586007)(70206006)(8676002)(4326008)(508600001)(82310400005)(36860700001)(6916009)(316002)(81166007)(356005)(54906003)(40460700003)(6666004)(36756003)(426003)(2906002)(1076003)(336012)(47076005)(8936002)(5660300002)(16526019)(2616005)(186003)(4744005)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Apr 2022 17:47:04.8958 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cde624b4-dfe7-4e86-3dc5-08da2a084612 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: DM6NAM11FT054.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4716 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: Alex Deucher , Jack Xiao , =?UTF-8?q?Christian=20K=C3=B6nig?= , Hawking Zhang Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: Jack Xiao Add delay after mes engine enable, for it needs more time to complete engine initialising. Signed-off-by: Jack Xiao Acked-by: Christian König Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/mes_v10_1.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c index 94812164998a..d4e64c5a3215 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c @@ -473,6 +473,7 @@ static void mes_v10_1_enable(struct amdgpu_device *adev, bool enable) data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE1_ACTIVE, adev->enable_mes_kiq ? 1 : 0); WREG32_SOC15(GC, 0, mmCP_MES_CNTL, data); + udelay(50); } else { data = RREG32_SOC15(GC, 0, mmCP_MES_CNTL); data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_ACTIVE, 0); -- 2.35.1