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Tue, 8 Sep 2026 06:38:23 -0500 From: Chenyu Chen To: CC: Harry Wentland , Leo Li , Aurabindo Pillai , Roman Li , Wayne Lin , Tom Chung , "Fangzhi Zuo" , Dan Wheeler , Ray Wu , Ivan Lipski , Alex Hung , James Lin , Chenyu Chen , Alvin Lee , Wenjing Liu , Chenyu Chen Subject: [PATCH 32/66] drm/amd/display: Add debug option to force optional UCLK support Date: Tue, 8 Sep 2026 19:31:25 +0800 Message-ID: <20260908113338.2433445-33-chen-yu.chen@amd.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260908113338.2433445-1-chen-yu.chen@amd.com> References: <20260908113338.2433445-1-chen-yu.chen@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF00002326:EE_|PH7PR12MB7332:EE_ X-MS-Office365-Filtering-Correlation-Id: 6b9061bb-4e13-422c-f0a0-08df0d9db5f5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|23010399003|1800799024|82310400026|36860700016|10067099003|56012099006|11063799006|18002099003|22082099003; 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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: XryI45O7JvJi690FgCWhvNU0UhjTb5izg1rGemedgAb2AZmjHiti75afaVO+fgGk8P43wPr6bHoichdHXD8R3BKdHodFfWPPGE6RUKikfGgcjUVIldNjDrcNdXIKUKtI2VrIPY1KamwmrIIbkBhG+YIxm9RVnXKUNrtNlh16BtnhlJt+qprKXQ7rMJKcSw5J0B0gZWqQzsi6LnWz+HtepGCJMDScZzjEMzoOIokU3oZZtCshYeYOLu96QZb+Sn4MdWkLTgEElJUxJlW+JRx2/4jJv/UYSExBpzahRKTd88DvuFYlgFQlYULVA5BTQlnYw3mwoXRmsm9DQtw+v5nd0uzDPCMSxWp2Sc8nczgox7F1cUHSpPDl5mXOR1i6Ru4ngJ4IDYJGCs5C4/vGXYdRePgXF1qTKZxtMvj5fAucoj8fVFPs4co60aiHmxe2Jlxz X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Sep 2026 11:38:32.2920 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6b9061bb-4e13-422c-f0a0-08df0d9db5f5 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=[satlexmb08.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00002326.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB7332 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: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: Alvin Lee [Description] Add debug option to force optional uclk support Reviewed-by: Wenjing Liu Signed-off-by: Alvin Lee Signed-off-by: Chenyu Chen --- drivers/gpu/drm/amd/display/dc/dc.h | 1 + .../dc/dml2_wrapper/dml21_wrapper/dml21_translation_helper.c | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index ab8c67ad1b50..1e25ed4eea80 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -1288,6 +1288,7 @@ struct dc_debug_options { bool dml21_force_pstate_method; uint32_t dml21_force_pstate_method_values[MAX_PIPES]; uint32_t dml21_disable_pstate_method_mask; + bool force_optional_uclk_pstate_support; union fw_assisted_mclk_switch_version fams_version; union dmub_fams2_global_feature_config fams2_config; bool fams2_imm_restore_drr; diff --git a/drivers/gpu/drm/amd/display/dc/dml2_wrapper/dml21_wrapper/dml21_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2_wrapper/dml21_wrapper/dml21_translation_helper.c index 3c25de54d55b..366767f4413e 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2_wrapper/dml21_wrapper/dml21_translation_helper.c +++ b/drivers/gpu/drm/amd/display/dc/dml2_wrapper/dml21_wrapper/dml21_translation_helper.c @@ -39,6 +39,7 @@ static void dml21_populate_pmo_options(struct dml2_pmo_options *pmo_options, pmo_options->disable_drr_clamped_when_var_active = in_dc->debug.disable_fams_gaming == INGAME_FAMS_DISABLE; pmo_options->force_mandatory_uclk_pstate_support = config->pmo.force_mandatory_uclk_pstate_support; + pmo_options->force_optional_uclk_pstate_support = in_dc->debug.force_optional_uclk_pstate_support; } static enum dml2_project_id dml21_dcn_revision_to_dml2_project_id(const struct dc *in_dc) -- 2.43.0