GPU Driver Documentation

• drm/amdgpu AMDgpu driver
  • Module Parameters
    • amdgpu_drv_delayed_reset_work_handler()
  • Core Driver Infrastructure
    • GPU Hardware Structure
      • Graphics and Compute Microcontrollers
    • Driver Structure
    • Memory Domains
    • Buffer Objects
      • amdgpu_bo_is_amdgpu_bo()
      • amdgpu_bo_placement_from_domain()
      • amdgpu_bo_create_reserved()
      • amdgpu_bo_create_kernel()
      • amdgpu_bo_create_kernel_at()
      • amdgpu_bo_free_kernel()
      • amdgpu_bo_create()
      • amdgpu_bo_create_user()
      • amdgpu_bo_create_vm()
      • amdgpu_bo_add_to_shadow_list()
      • amdgpu_bo_restore_shadow()
      • amdgpu_bo_kmap()
      • amdgpu_bo_kptr()
      • amdgpu_bo_kunmap()
      • amdgpu_bo_ref()
      • amdgpu_bo_unref()
      • amdgpu_bo_pin_restricted()
      • amdgpu_bo_pin()
      • amdgpu_bo_unpin()
      • amdgpu_bo_init()
      • amdgpu_bo_fini()
      • amdgpu_bo_set_tiling_flags()
      • amdgpu_bo_get_tiling_flags()
      • amdgpu_bo_set_metadata()
      • amdgpu_bo_get_metadata()
      • amdgpu_bo_move_notify()
      • amdgpu_bo_release_notify()
      • amdgpu_bo_fault_reserve_notify()
      • amdgpu_bo_fence()
      • amdgpu_bo_sync_wait_resv()
      • amdgpu_bo_sync_wait()
      • amdgpu_bo_gpu_offset()
      • amdgpu_bo_gpu_offset_no_check()
      • amdgpu_bo_get_preferred_domain()
      • amdgpu_bo_print_info()
    • PRIME Buffer Sharing
      • amdgpu_dma_buf_attach()
      • amdgpu_dma_buf_detach()
      • amdgpu_dma_buf_pin()
      • amdgpu_dma_buf_unpin()
      • amdgpu_dma_buf_map()
      • amdgpu_dma_buf_unmap()
      • amdgpu_dma_buf_begin_cpu_access()
      • amdgpu_gem_prime_export()
      • amdgpu_dma_buf_create_obj()
      • amdgpu_dma_buf_move_notify()
      • amdgpu_gem_prime_import()
      • amdgpu_dmabuf_is_xgmi_accessible()
    • MMU Notifier
      • amdgpu_hmm_invalidate_gfx()
      • amdgpu_hmm_invalidate_hsa()
      • amdgpu_hmm_register()
      • amdgpu_hmm_unregister()
    • AMDGPU Virtual Memory
      • amdgpu_prt_cb
      • amdgpu_vm_tlb_seq_struct
      • amdgpu_vm_set_pasid()
      • amdgpu_vm_bo_evicted()
      • amdgpu_vm_bo_moved()
      • amdgpu_vm_bo_idle()
      • amdgpu_vm_bo_invalidated()
      • amdgpu_vm_bo_relocated()
      • amdgpu_vm_bo_done()
      • amdgpu_vm_bo_reset_state_machine()
      • amdgpu_vm_bo_base_init()
      • amdgpu_vm_lock_pd()
      • amdgpu_vm_move_to_lru_tail()
      • amdgpu_vm_generation()
      • amdgpu_vm_validate_pt_bos()
      • amdgpu_vm_ready()
      • amdgpu_vm_check_compute_bug()
      • amdgpu_vm_need_pipeline_sync()
      • amdgpu_vm_flush()
      • amdgpu_vm_bo_find()
      • amdgpu_vm_map_gart()
      • amdgpu_vm_update_pdes()
      • amdgpu_vm_tlb_seq_cb()
      • amdgpu_vm_update_range()
      • amdgpu_vm_bo_update()
      • amdgpu_vm_update_prt_state()
      • amdgpu_vm_prt_get()
      • amdgpu_vm_prt_put()
      • amdgpu_vm_prt_cb()
      • amdgpu_vm_add_prt_cb()
      • amdgpu_vm_free_mapping()
      • amdgpu_vm_prt_fini()
      • amdgpu_vm_clear_freed()
      • amdgpu_vm_handle_moved()
      • amdgpu_vm_bo_add()
      • amdgpu_vm_bo_insert_map()
      • amdgpu_vm_bo_map()
      • amdgpu_vm_bo_replace_map()
      • amdgpu_vm_bo_unmap()
      • amdgpu_vm_bo_clear_mappings()
      • amdgpu_vm_bo_lookup_mapping()
      • amdgpu_vm_bo_trace_cs()
      • amdgpu_vm_bo_del()
      • amdgpu_vm_evictable()
      • amdgpu_vm_bo_invalidate()
      • amdgpu_vm_get_block_size()
      • amdgpu_vm_adjust_size()
      • amdgpu_vm_wait_idle()
      • amdgpu_vm_init()
      • amdgpu_vm_make_compute()
      • amdgpu_vm_release_compute()
      • amdgpu_vm_fini()
      • amdgpu_vm_manager_init()
      • amdgpu_vm_manager_fini()
      • amdgpu_vm_ioctl()
      • amdgpu_vm_get_task_info()
      • amdgpu_vm_set_task_info()
      • amdgpu_vm_handle_fault()
      • amdgpu_debugfs_vm_bo_info()
    • Interrupt Handling
      • amdgpu_irq_disable_all()
      • amdgpu_irq_handler()
      • amdgpu_irq_handle_ih1()
      • amdgpu_irq_handle_ih2()
      • amdgpu_irq_handle_ih_soft()
      • amdgpu_msi_ok()
      • amdgpu_irq_init()
      • amdgpu_irq_fini_sw()
      • amdgpu_irq_add_id()
      • amdgpu_irq_dispatch()
      • amdgpu_irq_delegate()
      • amdgpu_irq_update()
      • amdgpu_irq_gpu_reset_resume_helper()
      • amdgpu_irq_get()
      • amdgpu_irq_put()
      • amdgpu_irq_enabled()
      • amdgpu_irqdomain_map()
      • amdgpu_irq_add_domain()
      • amdgpu_irq_remove_domain()
      • amdgpu_irq_create_mapping()
    • IP Blocks
      • amd_ip_block_type
      • amd_ip_funcs
  • drm/amd/display - Display Core (DC)
    • AMDgpu Display Manager
      • dm_compressor_info
      • dmub_hpd_work
      • vblank_control_work
      • amdgpu_dm_backlight_caps
      • dal_allocation
      • hpd_rx_irq_offload_work_queue
      • hpd_rx_irq_offload_work
      • amdgpu_display_manager
      • amdgpu_hdmi_vsdb_info
      • Lifecycle
        • dm_hw_init()
        • dm_hw_fini()
      • Interrupts
        • amdgpu_dm_irq_handler_data
        • dm_irq_work_func()
        • unregister_all_irq_handlers()
        • amdgpu_dm_irq_register_interrupt()
        • amdgpu_dm_irq_unregister_interrupt()
        • amdgpu_dm_irq_init()
        • amdgpu_dm_irq_fini()
        • amdgpu_dm_irq_handler()
        • amdgpu_dm_hpd_init()
        • amdgpu_dm_hpd_fini()
        • dm_pflip_high_irq()
        • dm_crtc_high_irq()
      • Atomic Implementation
        • amdgpu_dm_atomic_commit_tail()
        • amdgpu_dm_atomic_check()
      • Color Management Properties
        • amdgpu_dm_init_color_mod()
        • __extract_blob_lut()
        • __is_lut_linear()
        • __drm_lut_to_dc_gamma()
        • __drm_ctm_to_dc_matrix()
        • __set_legacy_tf()
        • __set_output_tf()
        • __set_input_tf()
        • amdgpu_dm_verify_lut_sizes()
        • amdgpu_dm_update_crtc_color_mgmt()
        • amdgpu_dm_update_plane_color_mgmt()
        • DC Color Capabilities between DCN generations
          • rom_curve_caps
          • dpp_color_caps
          • mpc_color_caps
          • dc_color_caps
          • pipe_split_policy
          • dc_validation_set
      • Blend Mode Properties
        • mpcc_blnd_cfg
        • mpcc_alpha_blend_mode
        • Blend configuration flow
    • Display Core Debug tools
      • DC Visual Confirmation
        • Multiple Planes Debug
        • Pipe Split Debug
      • DTN Debug
    • Display Core Next (DCN)
      • Front End and Back End
      • Data Flow
      • AMD Hardware Pipeline
      • Global Sync
    • Multiplane Overlay (MPO)
      • Plane Restrictions
      • Cursor Restrictions
      • Use Cases
        • Picture-in-Picture (PIP) playback - Underlay strategy
        • Multiple Display MPO
          • Limitations
    • DC Glossary
  • dGPU firmware flashing
    • IFWI
    • USB-C PD F/W
    • sysfs files
  • AMDGPU XGMI Support
  • AMDGPU RAS Support
    • RAS debugfs/sysfs Control and Error Injection Interfaces
    • RAS Reboot Behavior for Unrecoverable Errors
    • RAS Error Count sysfs Interface
    • RAS EEPROM debugfs Interface
    • RAS VRAM Bad Pages sysfs Interface
    • Sample Code
  • GPU Power/Thermal Controls and Monitoring
    • HWMON Interfaces
    • GPU sysfs Power State Interfaces
      • power_dpm_state
      • power_dpm_force_performance_level
      • pp_table
      • pp_od_clk_voltage
      • pp_dpm_*
      • pp_power_profile_mode
      • *_busy_percent
      • gpu_metrics
    • GFXOFF
      • amdgpu_gfxoff
      • amdgpu_gfxoff_status
      • amdgpu_gfxoff_count
      • amdgpu_gfxoff_residency
  • Misc AMDGPU driver information
    • GPU Product Information
      • product_name
      • product_number
      • serial_number
      • unique_id
      • Accelerated Processing Units (APU) Info
      • Discrete GPU Info
    • GPU Memory Usage Information
      • mem_info_vram_total
      • mem_info_vram_used
      • mem_info_vis_vram_total
      • mem_info_vis_vram_used
      • mem_info_gtt_total
      • mem_info_gtt_used
    • PCIe Accounting Information
      • pcie_bw
      • pcie_replay_count
    • GPU SmartShift Information
      • smartshift_apu_power
      • smartshift_dgpu_power
      • smartshift_bias
  • AMDGPU Glossary
• drm/i915 Intel GFX Driver
  • Core Driver Infrastructure
    • Runtime Power Management
      • intel_runtime_pm_get_raw()
      • intel_runtime_pm_get()
      • __intel_runtime_pm_get_if_active()
      • intel_runtime_pm_get_noresume()
      • intel_runtime_pm_put_raw()
      • intel_runtime_pm_put_unchecked()
      • intel_runtime_pm_put()
      • intel_runtime_pm_enable()
      • intel_uncore_forcewake_get()
      • intel_uncore_forcewake_user_get()
      • intel_uncore_forcewake_user_put()
      • intel_uncore_forcewake_get__locked()
      • intel_uncore_forcewake_put()
      • intel_uncore_forcewake_flush()
      • intel_uncore_forcewake_put__locked()
      • __intel_wait_for_register_fw()
      • __intel_wait_for_register()
      • intel_uncore_forcewake_for_reg()
    • Interrupt Handling
      • intel_irq_init()
      • intel_runtime_pm_disable_interrupts()
      • intel_runtime_pm_enable_interrupts()
    • Intel GVT-g Guest Support(vGPU)
      • intel_vgpu_detect()
      • intel_vgt_deballoon()
      • intel_vgt_balloon()
    • Intel GVT-g Host Support(vGPU device model)
      • intel_gvt_init()
      • intel_gvt_driver_remove()
      • intel_gvt_resume()
    • Workarounds
  • Display Hardware Handling
    • Mode Setting Infrastructure
    • Frontbuffer Tracking
      • intel_frontbuffer_invalidate()
      • intel_frontbuffer_flush()
      • frontbuffer_flush()
      • intel_frontbuffer_flip_prepare()
      • intel_frontbuffer_flip_complete()
      • intel_frontbuffer_flip()
      • intel_frontbuffer_track()
    • Display FIFO Underrun Reporting
      • intel_set_cpu_fifo_underrun_reporting()
      • intel_set_pch_fifo_underrun_reporting()
      • intel_cpu_fifo_underrun_irq_handler()
      • intel_pch_fifo_underrun_irq_handler()
      • intel_check_cpu_fifo_underruns()
      • intel_check_pch_fifo_underruns()
    • Plane Configuration
    • Atomic Plane Helpers
      • intel_plane_duplicate_state()
      • intel_plane_destroy_state()
      • intel_prepare_plane_fb()
      • intel_cleanup_plane_fb()
    • Asynchronous Page Flip
    • Output Probing
    • Hotplug
      • intel_hpd_pin_default()
      • intel_hpd_irq_storm_detect()
      • intel_hpd_trigger_irq()
      • intel_hpd_irq_handler()
      • intel_hpd_init()
      • intel_hpd_poll_enable()
      • intel_hpd_poll_disable()
    • High Definition Audio
      • intel_audio_codec_enable()
      • intel_audio_codec_disable()
      • intel_audio_hooks_init()
      • i915_audio_component_init()
      • i915_audio_component_cleanup()
      • intel_audio_init()
      • intel_audio_deinit()
      • i915_audio_component
    • Intel HDMI LPE Audio Support
      • intel_lpe_audio_irq_handler()
      • intel_lpe_audio_init()
      • intel_lpe_audio_teardown()
      • intel_lpe_audio_notify()
    • Panel Self Refresh PSR (PSR/SRD)
      • intel_psr_disable()
      • intel_psr_pause()
      • intel_psr_resume()
      • intel_psr_wait_for_idle_locked()
      • intel_psr_invalidate()
      • intel_psr_flush()
      • intel_psr_init()
      • intel_psr_lock()
      • intel_psr_unlock()
    • Frame Buffer Compression (FBC)
      • intel_fbc_disable()
      • intel_fbc_handle_fifo_underrun_irq()
      • intel_fbc_init()
      • intel_fbc_sanitize()
    • Display Refresh Rate Switching (DRRS)
      • intel_drrs_activate()
      • intel_drrs_deactivate()
      • intel_drrs_invalidate()
      • intel_drrs_flush()
      • intel_drrs_crtc_init()
    • DPIO
    • DMC Firmware Support
      • intel_dmc_load_program()
      • intel_dmc_disable_program()
      • intel_dmc_init()
      • intel_dmc_suspend()
      • intel_dmc_resume()
      • intel_dmc_fini()
    • Video BIOS Table (VBT)
      • intel_bios_is_valid_vbt()
      • intel_bios_init()
      • intel_bios_driver_remove()
      • intel_bios_is_tv_present()
      • intel_bios_is_lvds_present()
      • intel_bios_is_port_present()
      • intel_bios_is_dsi_present()
      • vbt_header
      • bdb_header
    • Display clocks
      • intel_cdclk_init_hw()
      • intel_cdclk_uninit_hw()
      • intel_cdclk_needs_modeset()
      • intel_cdclk_can_cd2x_update()
      • intel_cdclk_changed()
      • intel_set_cdclk()
      • intel_set_cdclk_pre_plane_update()
      • intel_set_cdclk_post_plane_update()
      • intel_update_max_cdclk()
      • intel_update_cdclk()
      • intel_read_rawclk()
      • intel_init_cdclk_hooks()
    • Display PLLs
      • intel_get_shared_dpll_by_id()
      • intel_enable_shared_dpll()
      • intel_disable_shared_dpll()
      • intel_reference_shared_dpll_crtc()
      • intel_unreference_shared_dpll_crtc()
      • intel_shared_dpll_swap_state()
      • icl_set_active_port_dpll()
      • intel_shared_dpll_init()
      • intel_compute_shared_dplls()
      • intel_reserve_shared_dplls()
      • intel_release_shared_dplls()
      • intel_update_active_dpll()
      • intel_dpll_get_freq()
      • intel_dpll_get_hw_state()
      • intel_dpll_dump_hw_state()
      • intel_dpll_id
      • intel_shared_dpll_state
      • dpll_info
      • intel_shared_dpll
    • Display State Buffer
      • intel_dsb_reg_write()
      • intel_dsb_commit()
      • intel_dsb_prepare()
      • intel_dsb_cleanup()
  • GT Programming
    • Multicast/Replicated (MCR) Registers
      • intel_gt_mcr_lock()
      • intel_gt_mcr_unlock()
      • intel_gt_mcr_read()
      • intel_gt_mcr_unicast_write()
      • intel_gt_mcr_multicast_write()
      • intel_gt_mcr_multicast_write_fw()
      • intel_gt_mcr_multicast_rmw()
      • intel_gt_mcr_get_nonterminated_steering()
      • intel_gt_mcr_read_any_fw()
      • intel_gt_mcr_read_any()
      • intel_gt_mcr_get_ss_steering()
      • intel_gt_mcr_wait_for_reg()
  • Memory Management and Command Submission
    • Intel GPU Basics
    • Locking Guidelines
    • GEM BO Management Implementation Details
    • Buffer Object Eviction
      • i915_gem_evict_something()
      • i915_gem_evict_for_node()
      • i915_gem_evict_vm()
    • Buffer Object Memory Shrinking
      • i915_gem_shrink()
      • i915_gem_shrink_all()
      • i915_gem_object_make_unshrinkable()
      • __i915_gem_object_make_shrinkable()
      • __i915_gem_object_make_purgeable()
      • i915_gem_object_make_shrinkable()
      • i915_gem_object_make_purgeable()
    • Batchbuffer Parsing
      • intel_engine_init_cmd_parser()
      • intel_engine_cleanup_cmd_parser()
      • intel_engine_cmd_parser()
      • i915_cmd_parser_get_version()
    • User Batchbuffer Execution
      • i915_gem_engines
      • i915_gem_engines_iter
      • i915_gem_engine_type
      • i915_gem_proto_engine
      • i915_gem_proto_context
      • i915_gem_context
    • Scheduling
      • i915_sched_engine
    • Logical Rings, Logical Ring Contexts and Execlists
    • Global GTT views
      • i915_gem_gtt_reserve()
      • i915_gem_gtt_insert()
    • GTT Fences and Swizzling
      • i915_vma_revoke_fence()
      • i915_vma_pin_fence()
      • i915_reserve_fence()
      • i915_unreserve_fence()
      • intel_ggtt_restore_fences()
      • detect_bit_6_swizzle()
      • i915_gem_object_do_bit_17_swizzle()
      • i915_gem_object_save_bit_17_swizzle()
      • Global GTT Fence Handling
      • Hardware Tiling and Swizzling Details
    • Object Tiling IOCTLs
      • i915_gem_fence_size()
      • i915_gem_fence_alignment()
      • i915_gem_set_tiling_ioctl()
      • i915_gem_get_tiling_ioctl()
    • Protected Objects
      • intel_pxp
  • Microcontrollers
    • WOPCM
      • WOPCM Layout
    • GuC
      • intel_guc
      • intel_guc_ggtt_offset()
      • GuC Firmware Layout
      • GuC Memory Management
        • intel_guc_allocate_vma()
      • GuC-specific firmware loader
        • intel_guc_fw_upload()
      • GuC-based command submission
      • GuC ABI
    • HuC
      • intel_huc_auth()
      • HuC Memory Management
      • HuC Firmware Layout
    • DMC
  • Tracing
    • i915_ppgtt_create and i915_ppgtt_release
    • i915_context_create and i915_context_free
  • Perf
    • Overview
    • Comparison with Core Perf
      • Issues hit with first prototype based on Core Perf
    • i915 Driver Entry Points
      • i915_perf_init()
      • i915_perf_fini()
      • i915_perf_register()
      • i915_perf_unregister()
      • i915_perf_open_ioctl()
      • i915_perf_release()
      • i915_perf_add_config_ioctl()
      • i915_perf_remove_config_ioctl()
    • i915 Perf Stream
      • i915_perf_stream
      • i915_perf_stream_ops
      • read_properties_unlocked()
      • i915_perf_open_ioctl_locked()
      • i915_perf_destroy_locked()
      • i915_perf_read()
      • i915_perf_ioctl()
      • i915_perf_enable_locked()
      • i915_perf_disable_locked()
      • i915_perf_poll()
      • i915_perf_poll_locked()
    • i915 Perf Observation Architecture Stream
      • i915_oa_ops
      • i915_oa_stream_init()
      • i915_oa_read()
      • i915_oa_stream_enable()
      • i915_oa_stream_disable()
      • i915_oa_wait_unlocked()
      • i915_oa_poll_wait()
    • Other i915 Perf Internals
      • perf_open_properties
      • oa_buffer_check_unlocked()
      • append_oa_status()
      • append_oa_sample()
      • gen8_append_oa_reports()
      • gen8_oa_read()
      • gen7_append_oa_reports()
      • gen7_oa_read()
      • oa_get_render_ctx_id()
      • oa_put_render_ctx_id()
      • i915_perf_ioctl_locked()
      • i915_perf_ioctl_version()
  • Style
    • Register macro definition style
      • File Layout
      • Naming
      • Examples
  • i915 DRM client usage stats implementation
• drm/mcde ST-Ericsson MCDE Multi-channel display engine
• drm/meson AmLogic Meson Video Processing Unit
  • Video Processing Unit
  • Video Input Unit
  • Video Post Processing
  • Video Encoder
  • Video Clocks
  • HDMI Video Output
• drm/pl111 ARM PrimeCell PL110 and PL111 CLCD Driver
• drm/tegra NVIDIA Tegra GPU and display driver
  • Driver Infrastructure
    • Host1x Infrastructure Reference
      • host1x_bo_cache
      • host1x_client_ops
      • host1x_client
      • host1x_driver
      • host1x_device_init()
      • host1x_device_exit()
      • host1x_driver_register_full()
      • host1x_driver_unregister()
      • __host1x_client_init()
      • host1x_client_exit()
      • __host1x_client_register()
      • host1x_client_unregister()
    • Host1x Syncpoint Reference
      • host1x_syncpt_alloc()
      • host1x_syncpt_id()
      • host1x_syncpt_incr_max()
      • host1x_syncpt_incr()
      • host1x_syncpt_wait()
      • host1x_syncpt_request()
      • host1x_syncpt_put()
      • host1x_syncpt_read_max()
      • host1x_syncpt_read_min()
      • host1x_syncpt_read()
      • host1x_syncpt_get_by_id()
      • host1x_syncpt_get_by_id_noref()
      • host1x_syncpt_get()
      • host1x_syncpt_get_base()
      • host1x_syncpt_base_id()
      • host1x_syncpt_release_vblank_reservation()
  • KMS driver
    • Display Controllers
      • Windows
    • Outputs
      • RGB/LVDS
      • HDMI
      • DSI
      • eDP/DP
  • Userspace Interface
    • GEM Buffers
    • Syncpoints
    • Command Stream Submission
• drm/tve200 Faraday TV Encoder 200
• drm/v3d Broadcom V3D Graphics Driver
  • GPU buffer object (BO) management
    • Address space management
    • GPU Scheduling
  • Interrupts
• drm/vc4 Broadcom VC4 Graphics Driver
  • Display Hardware Handling
    • Pixel Valve (DRM CRTC)
    • HVS
    • HVS planes
    • HDMI encoder
    • DSI encoder
    • DPI encoder
    • VEC (Composite TV out) encoder
  • KUnit Tests
  • Memory Management and 3D Command Submission
    • GPU buffer object (BO) management
    • V3D binner command list (BCL) validation
    • V3D render command list (RCL) generation
    • Shader validator for VC4
    • V3D Interrupts
• drm/vkms Virtual Kernel Modesetting
  • Setup
  • Testing With IGT
  • TODO
    • IGT better support
    • Add Plane Features
    • Runtime Configuration
    • Writeback support
    • Output Features
    • CRC API Improvements
    • Atomic Check using eBPF
• drm/bridge/dw-hdmi Synopsys DesignWare HDMI Controller
  • Synopsys DesignWare HDMI Controller
    • Supported Input Formats and Encodings
• drm/xen-front Xen para-virtualized frontend driver
  • Driver modes of operation in terms of display buffers used
    • Buffers allocated by the frontend driver
    • Buffers allocated by the backend
  • Driver limitations
• Arm Framebuffer Compression (AFBC)
  • Components and Ordering
  • Number of Planes
  • Cross-device interoperability
• drm/komeda Arm display driver
  • Overview of D71 like display IPs
    • Layer
    • Scaler
    • Compositor (compiz)
    • Writeback Layer (wb_layer)
    • Post image processor (improc)
    • Timing controller (timing_ctrlr)
    • Merger
    • Splitter
  • Possible D71 Pipeline usage
    • Single pipeline data flow
    • Dual pipeline with Slave enabled
    • Sub-pipelines for input and output
      • Layer(input) pipeline
      • Writeback(output) pipeline
      • Display output pipeline
  • Komeda Resource abstraction
    • struct komeda_pipeline/component
      • komeda_component
      • komeda_component_output
      • komeda_component_state
      • komeda_pipeline
      • komeda_pipeline_state
  • Resource discovery and initialization
    • komeda_dev_funcs
    • komeda_dev
  • Format handling
    • komeda_format_caps
    • komeda_format_caps_table
    • komeda_fb
  • Attach komeda_dev to DRM-KMS
    • How to map plane to Layer(input) pipeline
    • Make component/pipeline to be drm_private_obj
    • Tracking component_state/pipeline_state by drm_atomic_state
    • komeda component validation
    • komeda_kms Abstraction
      • komeda_plane
      • komeda_plane_state
      • komeda_wb_connector
      • komeda_crtc
      • komeda_crtc_state
    • komde_kms Functions
      • komeda_crtc_atomic_check()
      • komeda_plane_atomic_check()
  • Build komeda to be a Linux module driver