drivers/gpu/drm/omapdrm/omap_drv.c

File Facts

System

Linux kernel

Corpus path

drivers/gpu/drm/omapdrm/omap_drv.c

Extension

.c

Size

22459 bytes

Lines

910

Domain

Driver Families

Bucket

drivers/gpu

Inferred role

Driver Families: exported/initcall integration point

Status

integration implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

• Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.
• Exports symbols or registers init work; inspect boot/module ordering and who consumes the exported contract.
• Uses kernel synchronization; read lock ordering, sleepability, and interrupt context assumptions before translating.
• Allocates kernel memory; connect allocation flags and lifetime to context constraints.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/dma-mapping.h
• linux/platform_device.h
• linux/of.h
• linux/sort.h
• linux/sys_soc.h
• drm/drm_atomic.h
• drm/drm_atomic_helper.h
• drm/drm_bridge.h
• drm/drm_bridge_connector.h
• drm/drm_drv.h
• drm/drm_file.h
• drm/drm_ioctl.h
• drm/drm_panel.h
• drm/drm_prime.h
• drm/drm_print.h
• drm/drm_probe_helper.h
• drm/drm_vblank.h
• omap_dmm_tiler.h
• omap_drv.h
• omap_fbdev.h

Detected Declarations

• function Copyright
• function for_each_new_crtc_in_state
• function omap_atomic_commit_tail
• function drm_atomic_commit_normalized_zpos_cmp
• function omap_atomic_update_normalize_zpos
• function for_each_oldnew_crtc_in_state
• function drm_for_each_plane_mask
• function omap_atomic_check
• function omap_get_existing_global_state
• function omap_get_global_state
• function omap_global_duplicate_state
• function omap_global_destroy_state
• function omap_global_atomic_create_state
• function omap_global_obj_init
• function omap_global_obj_fini
• function omap_disconnect_pipelines
• function omap_connect_pipelines
• function for_each_dss_output
• function omap_compare_pipelines
• function omap_modeset_init_properties
• function omap_display_id
• function omap_modeset_init
• function omap_modeset_fini
• function ioctl_get_param
• function ioctl_gem_new
• function ioctl_gem_info
• function dev_open
• function omapdrm_init
• function omapdrm_cleanup
• function pdev_probe
• function pdev_remove
• function pdev_shutdown
• function omap_drm_suspend
• function omap_drm_resume
• function omap_drm_init
• function omap_drm_fini
• module init omap_drm_init

Annotated Snippet

module_init(omap_drm_init);
module_exit(omap_drm_fini);

MODULE_AUTHOR("Rob Clark <rob@ti.com>");
MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
MODULE_DESCRIPTION("OMAP DRM Display Driver");
MODULE_ALIAS("platform:" DRIVER_NAME);
MODULE_LICENSE("GPL v2");

Annotation

• Immediate include surface: `linux/dma-mapping.h`, `linux/platform_device.h`, `linux/of.h`, `linux/sort.h`, `linux/sys_soc.h`, `drm/drm_atomic.h`, `drm/drm_atomic_helper.h`, `drm/drm_bridge.h`.
• Detected declarations: `function Copyright`, `function for_each_new_crtc_in_state`, `function omap_atomic_commit_tail`, `function drm_atomic_commit_normalized_zpos_cmp`, `function omap_atomic_update_normalize_zpos`, `function for_each_oldnew_crtc_in_state`, `function drm_for_each_plane_mask`, `function omap_atomic_check`, `function omap_get_existing_global_state`, `function omap_get_global_state`.
• Atlas domain: Driver Families / drivers/gpu.
• Implementation status: integration implementation candidate.
• Synchronization appears in or near this file; preserve lock ordering, sleepability, and interrupt-context constraints.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.