Displaying 1 result from an estimated 1 matches for "_drm_vblank_secondary".
2014 Aug 24
2
[Bug 83021] New: Separate X screens --> Xvideo is vsynced to primary screen only
...Hardware: x86-64 (AMD64)
Status: NEW
Version: unspecified
Component: Driver/nouveau
Product: xorg
I use two separate X screens and Xvideo is vsynced only to the primary display.
The DRM however supports syncing to secondary display as well (using
_DRM_VBLANK_SECONDARY).
I looked at the xf86-video-nouveau source, and it looks like it tries to
determine on wich display the window is by using the window position (in the
nv_window_belongs_to_crtc function). I think this method only works when there
is one X screen assembled of two displays, but it does not work with...