[PATCH 1/3] RFC: drm: Restrict vblank ioctl to master

[Rainer Hochecker]

We have been using this for years now and did not observe issues you
mentioned. I would be surprised if a child window refreshes in a different
rate than the main window
Am 13.07.2016 11:44 schrieb "Michel Dänzer" <michel at daenzer.net>:

On 13.07.2016 15:50, Rainer Hochecker wrote:
> Whatever action is taken, it is fine for Kodi. GLX+OML_sync_control is
> not an option anymore because we need EGL for vaapi. But we can fall
> back to the invisible window for getting vsync. I never tried using EGL
> and GLX in the same application, different windows. Any reason why this
> should not work?

An invisible window may not synchronize with the same output refresh
cycle as your output window.


--
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer
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