On Tue, Feb 28, 2017 at 06:35:11PM +0000, Emmanuel Gil Peyrot wrote: > Weston will not repaint until previous update has been acked by a > pageflip event coming from the drm driver. However, some buggy drivers > won’t return those events or will stop sending them at some point and > Weston output repaints will completely freeze. To ease developers’ task > in testing their drivers, this patch makes compositor-drm use a timer > to detect cases where those pageflip events stop coming. > > This timeout implementation is software only and includes basic > features usually found in a watchdog. We simply exit Weston gracefully > with a log message and an exit code when the timout is reached. > > The timeout value can be set via weston.ini by adding a > pageflip-timeout=<MILLISECONDS> entry under a new [compositor-drm] > section. Setting it to 0 disables the timeout feature. > > v2: > - Made sure we would get both the pageflip and the vblank events before > stopping the timer. > - Reordered the error and success cases in > drm_output_pageflip_timer_create() to be more in line with the rest > of the code. > > Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=83884 > Signed-off-by: Frederic Plourde <frederic.plourde at collabora.co.uk> > Signed-off-by: Emmanuel Gil Peyrot <emmanuel.pey...@collabora.com>
Err, I forgot to include this: Reviewed-by: Daniel Stone <dani...@collabora.com> -- Emmanuel Gil Peyrot _______________________________________________ wayland-devel mailing list wayland-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/wayland-devel
