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shim: the present mode follows the container, the cap runs on the vsync grid under mailbox - #46

Merged

utkarshdalal merged 15 commits into

masterfrom

shim-present-mode-from-container

Nov 3, 2026

Merged

shim: the present mode follows the container, the cap runs on the vsync grid under mailbox#46
utkarshdalal merged 15 commits into
masterfrom
shim-present-mode-from-container

Commits on Nov 2, 2026
- daemon: the vsync note carries the flip events' stamp lead
  Utkarsh Dalal
  committed
  01e619e
- shim: an acquire gate on the display's vblank grid, for caps gamescope's limiter does not hold
  Utkarsh Dalal
  committed
  2c0c609
- shim: the present mode follows the container on the gamescope route; a cap no longer forces FIFO
  Utkarsh Dalal
  committed
  4a7f2f6
- docs: the present mode follows the container; the cap's gate runs on the vblank grid under mailbox
  Utkarsh Dalal
  committed
  1ffd476
- shim: no vblank-grid gate without the daemon's stamp lead; declare FIFO under a cap until it arrives
  Utkarsh Dalal
  committed
  46ccc70
- shim: book a late frame to the composite it will make, so its successor does not replace it
  Utkarsh Dalal
  committed
  9fb3cda
- shim: back out the latency booking of late frames; keep its counters
  Utkarsh Dalal
  committed
  93ab33c
- shim: one commit per gamescope composite under the vblank-grid gate
  Utkarsh Dalal
  committed
  8cf5834
- shim: back out the commit window; keep the commit-spacing histogram
  Utkarsh Dalal
  committed
  476aa3e
- shim: declare FIFO under a cap at the display's rate, with the vblank-grid gate kept
  Utkarsh Dalal
  committed
  ce1f919
Commits on Nov 3, 2026
- shim: test switch to keep mailbox at a cap at the display's rate (debug.gndrm.mailbox_at_rate)
  Utkarsh Dalal
  committed
  b084ead
- shim: a clock-booked frame leaves the grid schedule an ideal instant it can use
  Utkarsh Dalal
  committed
  47c11aa
- shim, docs: gate_late in the census, the present-mode env as the user's control, docs/15 and docs/17 as the code is
  Utkarsh Dalal
  committed
  a4a7bb0
- shim: with no cap, a guest's FIFO request wins over the container's default mode
  Utkarsh Dalal
  committed
  1b708d5
- shim: the present-mode line ungated at start and on a change, its counters behind GNDRM_LOG_VKSHIM; the mailbox-at-rate test switch removed
  Utkarsh Dalal
  committed
  c9b7c31

Commits

Commits on Nov 2, 2026

Commits on Nov 3, 2026