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Tue, 30 Jun 2026 13:03:22 -0500 From: To: CC: , , , , , , , , , , Leo Li Subject: [PATCH v3 0/3] Fixes for flip_done timed outs and PSR/Replay corruption Date: Tue, 30 Jun 2026 14:02:58 -0400 Message-ID: <20260630180301.362070-1-sunpeng.li@amd.com> X-Mailer: git-send-email 2.54.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF000055DC:EE_|SJ0PR12MB8615:EE_ X-MS-Office365-Filtering-Correlation-Id: 10fb5e66-471b-417d-70ce-08ded6d1e0b4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|82310400026|36860700016|1800799024|376014|32650700020|23010399003|11063799006|56012099006|18002099003|6133799003; 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=[satlexmb08.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN2PEPF000055DC.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB8615 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: Leo Li v1 here: https://lore.kernel.org/amd-gfx/20260616201828.389985-1-sunpeng.li@amd.com/ v2 here: https://lore.kernel.org/amd-gfx/20260622171752.73374-1-sunpeng.li@amd.com/ Summary of changes since v2: * Fixed a regression in kms_vrr@flip-basic, which exposed a scenario in optimistic event delivery where wrong vblank timestamps were attached. See new docstrings in patch 2/3 for details. * Readability cleanups in patch 2/3, thanks Michel! v7.0.y based branch here (drops the revert and resolves merge conflicts due to recent refactor of IRQ handlers from amdgpu_dm.c into amdgpu_dm_irq.c): https://gitlab.freedesktop.org/leoli/linux-asdn/-/commits/lileo/flip_done_timeout_corruption_fixes?ref_type=heads A Note on LLM use: Claude helped with code plumbing and IGT testing. The effort of reporting, debugging, spinning up fixes, and testing them, were from humans. Kudos to individuals who collaborated on the amd-gfx mailing list, gitlab, 2026 Display Hackfest, and AMD internal chats, to finally nail down a fix. Leo Li (3): drm/amd/display: consolidate DCN vblank/flip handling onto vupdate_no_lock drm/amd/display: check GRPH_FLIP status before sending event Revert "drm/amd/display: Restore 5s vbl offdelay for NV3x+ DGPUs" .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 234 +++++++++++--- .../amd/display/amdgpu_dm/amdgpu_dm_crtc.c | 70 ++-- .../drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c | 299 +++++++++--------- drivers/gpu/drm/amd/display/dc/core/dc.c | 45 +++ drivers/gpu/drm/amd/display/dc/dc.h | 1 + 5 files changed, 417 insertions(+), 232 deletions(-) -- 2.54.0