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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jan 2026 09:54:14.0124 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5c50e2d3-90b1-46e8-8749-08de54e534ae X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.194];Helo=[lewvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF0002256F.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR10MB6045 Display Controller Overview: TI's AM62P[1] SoC has two instances of TI's Display Subsystem (DSS). Each instance contains two video ports. Combined, both instances support up to three independent video streams: OLDI, DPI, and DSI. This series: 1. Updates bindings (PATCH 1/3) - Adds "ti,am62p-dss" compatible string - Modifies power-domain requirements 2. Updates driver (PATCH 2/3 and 3/3) - Adds power management for attached PM domains - Enables AM62P DSS support by adding compatible to the driver Note: - Device-tree changes will be submitted after this series is merged. - The device-tree patches are available here[2] [1]: https://www.ti.com/product/AM62P [2]: https://github.com/swamiljain/linux-next/tree/AM62P_J722S_DSS_v1 --- Changelog: v3->v4: - PATCH 1/3 - Cosmetic changes in commit message - Explain why 2 power-domains can be used in am62p-dss - Remove redundant explanation - Add item description for power-domains property - Define constraints properly by removing min/maxItems - PATCH 2/3 - Remove err_oldi_deinit if tidss_oldi_init() fails - Pick up T-By tag - PATCH 3/3 - No change Link to v3: https://lore.kernel.org/all/20260107174525.1702585-1-s-jain1@ti.com/ v2->v3: - PATCH 1/3 - Add a broader range for top-level constraints in the bindings to resolve dt_biniding_check conflicts - PATCH 2/3 - Remove and modify some comments - Use IS_ERR_OR_NULL() instead od checking for both NULL and IS_ERR() - Changes in error handling paths - PATCH 3/3 - Pick R-by tag Link to v2: https://lore.kernel.org/all/20251125165942.2586341-1-s-jain1@ti.com/ v1->v2: - PATCH 1/3: - Remove unnecessary example - Use "am62p-dss" compatible check for multiple power-domains - PATCH 2/3: Add Signed-off-by tag Link to v1: https://lore.kernel.org/all/20251114064336.3683731-1-s-jain1@ti.com/ --- Devarsh Thakkar (1): drm/tidss: Power up attached PM domains on probe Swamil Jain (2): dt-bindings: display: ti,am65x-dss: Add am62p dss compatible drm: tidss: tidss_drv: Add support for AM62P display subsystem .../bindings/display/ti/ti,am65x-dss.yaml | 37 ++++++++- drivers/gpu/drm/tidss/tidss_drv.c | 83 ++++++++++++++++++- drivers/gpu/drm/tidss/tidss_drv.h | 4 + 3 files changed, 118 insertions(+), 6 deletions(-)