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GeezerVison is showing docs.kernel.org — GPU Driver Developer’s Guide — The Linux Kernel documentation

GPU Driver Developer’s Guide¶

  • Introduction
    • Style Guidelines
    • Getting Started
    • Contribution Process
    • Simple DRM drivers to use as examples
    • External References
  • DRM Internals
    • Driver Initialization
    • Open/Close, File Operations and IOCTLs
    • Misc Utilities
    • Unit testing
    • Legacy Support Code
  • DRM Memory Management
    • The Translation Table Manager (TTM)
    • The Graphics Execution Manager (GEM)
    • VMA Offset Manager
    • PRIME Buffer Sharing
    • DRM MM Range Allocator
    • DRM GPUVM
    • DRM Buddy Allocator
    • DRM Cache Handling and Fast WC memcpy()
    • DRM Sync Objects
    • DRM Execution context
    • GPU Scheduler
  • Kernel Mode Setting (KMS)
    • Overview
    • KMS Core Structures and Functions
    • Modeset Base Object Abstraction
    • Atomic Mode Setting
    • CRTC Abstraction
    • Frame Buffer Abstraction
    • DRM Format Handling
    • Dumb Buffer Objects
    • Plane Abstraction
    • Colorop Abstraction
    • Display Modes Function Reference
    • Connector Abstraction
    • Encoder Abstraction
    • KMS Locking
    • KMS Properties
    • Vertical Blanking
    • Vertical Blank Work
  • Mode Setting Helper Functions
    • Modeset Helper Reference for Common Vtables
    • Atomic Modeset Helper Functions Reference
    • fbdev Helper Functions Reference
    • Draw Helper Functions Reference
    • Framebuffer DMA Helper Functions Reference
    • Framebuffer GEM Helper Reference
    • Bridges
    • Panel Helper Reference
    • Panel Self Refresh Helper Reference
    • HDMI Atomic State Helpers
    • HDCP Helper Functions Reference
    • Display Port Helper Functions Reference
    • Display Port CEC Helper Functions Reference
    • Display Port Dual Mode Adaptor Helper Functions Reference
    • Display Port MST Helpers
    • MIPI DBI Helper Functions Reference
    • MIPI DSI Helper Functions Reference
    • Display Stream Compression Helper Functions Reference
    • Output Probing Helper Functions Reference
    • EDID Helper Functions Reference
    • SCDC Helper Functions Reference
    • HDMI Infoframes Helper Reference
    • Rectangle Utilities Reference
    • Flip-work Helper Reference
    • Auxiliary Modeset Helpers
    • OF/DT Helpers
    • Legacy Plane Helper Reference
    • Legacy CRTC/Modeset Helper Functions Reference
    • Privacy-screen class
  • DRM RAS over Generic Netlink
    • Nodes
    • Generic Netlink Usage
  • Userland interfaces
    • libdrm Device Lookup
    • Primary Nodes, DRM Master and Authentication
    • DRM Display Resource Leasing
    • Open-Source Userspace Requirements
    • Render nodes
    • Device Hot-Unplug
    • Device reset
    • Device Wedging
    • IOCTL Support on Device Nodes
    • Testing and validation
    • Sysfs Support
    • VBlank event handling
    • Userspace API Structures
    • dma-buf interoperability
    • Trace events
  • DRM client usage stats
    • File format specification
    • Implementation Details
  • DRM Driver uAPI
    • drm/i915 uAPI
    • drm/nouveau uAPI
    • drm/panthor uAPI
    • drm/xe uAPI
    • drm/asahi uAPI
  • Kernel clients
  • Long running workloads and compute
  • GPU Driver Documentation
    • drm/amdgpu AMDgpu driver
    • drm/i915 Intel GFX Driver
    • drm/imagination PowerVR Graphics Driver
    • Intel Display Driver
    • drm/mcde ST-Ericsson MCDE Multi-channel display engine
    • drm/meson AmLogic Meson Video Processing Unit
    • drm/nouveau NVIDIA GPU Driver
    • drm/pl111 ARM PrimeCell PL110 and PL111 CLCD Driver
    • drm/tegra NVIDIA Tegra GPU and display driver
    • drm/tve200 Faraday TV Encoder 200
    • drm/v3d Broadcom V3D Graphics Driver
    • drm/vc4 Broadcom VC4 Graphics Driver
    • drm/vkms Virtual Kernel Modesetting
    • drm/bridge/dw-hdmi Synopsys DesignWare HDMI Controller
    • drm/xen-front Xen para-virtualized frontend driver
    • drm/xe Intel GFX Driver
    • Arm Framebuffer Compression (AFBC)
    • drm/komeda Arm display driver
    • drm/Panfrost Mali Driver
    • drm/Panthor CSF driver
    • Xilinx ZynqMP Ultrascale+ DisplayPort Subsystem
    • nova NVIDIA GPU drivers
  • Backlight support
  • VGA Switcheroo
    • Modes of Use
    • API
    • Handlers
  • VGA Arbiter
    • vgaarb kernel/userspace ABI
    • In-kernel interface
    • libpciaccess
    • xf86VGAArbiter (X server implementation)
    • References
  • Automated testing of the DRM subsystem
    • Introduction
    • Relevant files
    • How to enable automated testing on your tree
    • How to update test expectations
    • How to expand coverage
    • How to test your changes to the scripts
    • How to incorporate external fixes in your testing
    • How to deal with automated testing labs that may be down
  • Misc DRM driver uAPI- and feature implementation guidelines
    • Asynchronous VM_BIND
    • VM_BIND locking
  • TODO list
    • Difficulty
    • Replace struct drm_simple_display_pipe with regular atomic helpers
    • Remove custom dumb_map_offset implementations
    • Convert existing KMS drivers to atomic modesetting
    • Clean up the clipped coordination confusion around planes
    • Improve plane atomic_check helpers
    • Convert early atomic drivers to async commit helpers
    • Fallout from atomic KMS
    • Move Buffer Object Locking to dma_resv_lock()
    • Convert logging to drm_* functions with drm_device parameter
    • Convert drivers to use simple modeset suspend/resume
    • Reimplement functions in drm_fbdev_fb_ops without fbdev
    • Benchmark and optimize blitting and format-conversion function
    • drm_framebuffer_funcs and drm_mode_config_funcs.fb_create cleanup
    • Generic fbdev defio support
    • connector register/unregister fixes
    • Remove load/unload callbacks
    • Replace drm_detect_hdmi_monitor() with drm_display_info.is_hdmi
    • Consolidate custom driver modeset properties
    • Use struct iosys_map throughout codebase
    • Review all drivers for setting struct drm_mode_config.{max_width,max_height} correctly
    • Request memory regions in all fbdev drivers
    • Remove driver dependencies on FB_DEVICE
    • Remove disable/unprepare in remove/shutdown in panel-simple and panel-edp
    • Transition away from using deprecated MIPI DSI functions
    • Remove panel_bridge API functions
    • Convert users of of_drm_find_bridge() to of_drm_find_and_get_bridge()
    • Make panic handling work
    • Clean up the debugfs support
    • Object lifetime fixes
    • Remove automatic page mapping from dma-buf importing
    • Implement a new DUMB_CREATE2 ioctl
    • Add unit tests using the Kernel Unit Testing (KUnit) framework
    • Clean up and document former selftests suites
    • Enable trinity for DRM
    • Make KMS tests in i-g-t generic
    • Extend virtual test driver (VKMS)
    • Backlight Refactoring
    • AMD DC Display Driver
    • Provide a universal successor for drm_sched_resubmit_jobs()
    • Add locking for runqueues
    • Replace the lockless queue with a locked list
    • Convert fbdev drivers to DRM
  • GPU RFC Section
    • GPU SVM Section
    • I915 DG1/LMEM RFC Section
    • I915 GuC Submission/DRM Scheduler Section
    • I915 Small BAR RFC Section
    • I915 VM_BIND feature design and use cases
    • Linux Color Pipeline API
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