TearFree option backported to modesetting(4) driver
by from OpenBSD Journal on (#6XWAE)
Following adiscussion on tech@[initiated by a post with patch from Ted Unangst (tedu@)],the"TearFree" option has beenbackportedto the xenocaramodesetting(4)driver in -current:
CVSROOT:/cvsModule name:xenocaraChanges by:matthieu@cvs.openbsd.org2025/06/09 12:18:36Modified files:xserver/dix : pixmap.c xserver/hw/xfree86/common: xf86Mode.c xserver/hw/xfree86/drivers/modesetting: dri2.c driver.c driver.h drmmode_display.c drmmode_display.h dumb_bo.c meson.build modesetting.man pageflip.c present.c vblank.c xserver/hw/xfree86/modes: xf86Crtc.h xf86Rotate.c xserver/include: displaymode.h pixmap.h xserver/present: present.h present_screen.c Log message:Backport TearFree page flips for the modesetting driver from X.Org maaster.Work done by tedu@ based on previous diffs by jcs@ and stsp@.One bug fix in master by me. tested and ok tb@. commit on behalf of tedu@
The option is on by default, so users of the relevant hardwarecan expect smooth(er) scrolling ahead.