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Fri, 27 Mar 2026 01:23:47 -0700 Received: from chenyu-station.amd.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server id 15.2.2562.17 via Frontend Transport; Fri, 27 Mar 2026 03:23:46 -0500 From: Chenyu Chen To: , CC: Harry Wentland , Leo Li , Limonciello Mario , Chenyu Chen Subject: [PATCH 0/2] drm: Move AMD VSDB parsing into DRM EDID core Date: Fri, 27 Mar 2026 16:21:57 +0800 Message-ID: <20260327082342.1286878-1-chen-yu.chen@amd.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000ECDB:EE_|DS7PR12MB6168:EE_ X-MS-Office365-Filtering-Correlation-Id: f9a6350a-e72c-4c6c-774a-08de8bda33e1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|1800799024|82310400026|376014|36860700016|56012099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; 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Ip=[165.204.84.17]; Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000ECDB.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB6168 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" The AMD Vendor-Specific Data Block (VSDB) v3 parsing currently lives in amdgpu_dm, using raw byte-walking over EDID extension blocks. This series moves the parsing into the DRM EDID core so the data is available through drm_display_info for any driver. Patch 1 adds the parser in drm_edid.c and the new drm_amd_vsdb_info struct in drm_connector.h. Patch 2 updates amdgpu_dm to consume the parsed data from display_info instead of doing its own parsing, and factors out panel type determination into a dedicated function. Chenyu Chen (2): drm/edid: Parse AMD Vendor-Specific Data Block drm/amd/display: Use drm_display_info for AMD VSDB data .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 120 ++++++++++-------- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 14 -- drivers/gpu/drm/drm_edid.c | 72 +++++++++++ include/drm/drm_connector.h | 38 ++++++ 4 files changed, 178 insertions(+), 66 deletions(-) -- 2.43.0