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DRM (user space program (frame buffer managing, mode setting, mem sharing,…
DRM
user space program
frame buffer managing
mode setting
mem sharing, mem sync
GEM
KMS
security
drm-master
drm-auth
GEM name
DMA-BUF
GEM
Memory Domain
Memory Sync
share Buffers (GEM names)
TTM
GART
buffer object
fence
VRAM
buffer
command queue
two parts
DRM core //generic
DRM driver //specific
GPU
KMS
DMA-BUF