Files
RedBear-OS/local
vasilito 7f8f93146d intel: FBC, DRRS, PSR2, Gen4-7 regs — comprehensive subsystems
fbc.rs: Frame Buffer Compression
  FBC_CTL enable/compression/fence programming (Gen7+)
  FBC_STATUS compressed buffer tracking
  nuke() for frontbuffer invalidation on render

drrs.rs: Display Refresh Rate Switching
  Transitions high→low refresh rate on idle timeout
  DRRS_CTL with idle frame count configuration
  mark_active() for compositor interaction

psr2.rs: Panel Self Refresh v2
  Selective update via sink DPCD capability probe
  PSR2_MAN_TRK_CTL for partial frame update tracking
  DP_PSR2_SUPPORT/EN_CFG2 sink communication

regs_gen4_7.rs: Pre-Gen9 FDI register definitions
  Gen4-7 pipe/plane/DDI registers (PIPEACONF, DSPACNTR)
  GMBUS at 0x5100 base (pre-PCH offset)
  No DDI_BUF_CTL — these platforms use FDI display

mod.rs: Wired FbcState, DrrsState alongside existing PsrState
2026-06-02 05:06:16 +03:00
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