drm/amdgpu AMDgpu driver

The drm/amdgpu driver supports all AMD Radeon GPUs based on the Graphics Core Next (GCN), Radeon DNA (RDNA), and Compute DNA (CDNA) architectures.

• Core Driver Infrastructure
  • GPU Hardware Structure
  • GFX, Compute, and SDMA Overall Behavior
  • Driver Structure
  • Memory Domains
  • Buffer Objects
  • PRIME Buffer Sharing
  • MMU Notifier
  • AMDGPU Virtual Memory
  • Interrupt Handling
  • IP Blocks
• AMD Hardware Components Information per Product
  • Accelerated Processing Units (APU) Info
  • Discrete GPU Info
• Module Parameters
• drm/amdgpu - Graphics and Compute (GC)
  • Graphics (GFX) and Compute Microcontrollers
    • MicroEngine Scheduler (MES)
• drm/amd/display - Display Core (DC)
  • DC Code validation
  • DC Information
    • AMDgpu Display Manager
      • Lifecycle
      • Interrupts
      • Atomic Implementation
      • Color Management Properties
        • DC Color Capabilities between DCN generations
      • Blend Mode Properties
        • Blend configuration flow
    • Display Core Next (DCN)
      • Front End and Back End
      • Data Flow
      • AMD Hardware Pipeline
      • Global Sync
    • DCN Blocks
      • DCHUBBUB
      • HUBP
      • DPP
      • MPC
      • OPP
      • DIO
    • DC Programming Model
      • Overview
      • Display Driver Architecture Overview
        • Basic Objects
        • Basic Operations
    • Multiplane Overlay (MPO)
      • Plane Restrictions
      • Cursor Restrictions
      • Use Cases
        • Picture-in-Picture (PIP) playback - Underlay strategy
        • Multiple Display MPO
          • Limitations
    • Display Core Debug tools
      • Narrow down display issues
        • DC dmesg important messages
        • Avoid loading display core
        • Display flickering
        • Display artifacts
      • Disabling/Enabling specific features
      • DC Visual Confirmation
        • Multiple Planes Debug
        • Pipe Split Debug
      • DTN Debug
      • Collect Firmware information
      • DMUB Firmware Debug
        • Trace Groups
    • AMDGPU - Display Contributions
      • Gitlab issues
      • IGT
      • Compilation
        • Fix compilation warnings
        • Fix compilation issues when using um architecture
      • Code Refactor
        • Add prefix to DC functions to improve the debug with ftrace
        • Reduce code duplication
        • Make atomic_commit_[check|tail] more readable
      • Documentation
        • Expand kernel-doc
      • Beyond AMDGPU
        • Enable underlay
        • Adaptive Backlight Modulation (ABM)
        • HDR & Color management & VRR
    • 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
    • pm_policy
    • *_busy_percent
    • gpu_metrics
    • fan_curve
    • acoustic_limit_rpm_threshold
    • acoustic_target_rpm_threshold
    • fan_target_temperature
    • fan_minimum_pwm
    • fan_zero_rpm_enable
    • fan_zero_rpm_stop_temperature
  • 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
    • fru_id
    • manufacturer
    • unique_id
    • board_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
• GPU Debugging
  • General Debugging Options
  • GPUVM Debugging
  • Decoding a GPUVM Page Fault
  • UMR
• AMDGPU DebugFS
  • DebugFS Files
    • amdgpu_benchmark
    • amdgpu_test_ib
    • amdgpu_discovery
    • amdgpu_vbios
    • amdgpu_evict_gtt
    • amdgpu_evict_vram
    • amdgpu_gpu_recover
    • amdgpu_ring_<name>
    • amdgpu_mqd_<name>
    • amdgpu_error_<name>
    • amdgpu_pm_info
    • amdgpu_firmware_info
    • amdgpu_fence_info
    • amdgpu_gem_info
    • amdgpu_vm_info
    • amdgpu_sa_info
    • amdgpu_<pool>_mm
    • amdgpu_vram
    • amdgpu_iomem
    • amdgpu_regs_*
    • amdgpu_regs2
    • amdgpu_sensors
    • amdgpu_gca_config
    • amdgpu_wave
    • amdgpu_gpr
    • amdgpu_gprwave
    • amdgpu_fw_attestation
• AMDGPU Process Isolation
  • Process Isolation
    • Partition Handling
  • Cleaner Shader Execution
• AMDGPU Glossary