Re: [PATCH] DRM: VBLANK: provide valid timestamp for EVENT_FLIP

2018-09-28 Thread Eugeniy Paltsev
On Wed, 2018-09-26 at 19:37 +0300, Ville Syrjälä wrote: > On Wed, Sep 26, 2018 at 05:25:35PM +0300, Eugeniy Paltsev wrote: > > If driver/HW doesn't support vblank functionality (for example > > UDL driver, ARCPGU driver, ...) we always have vblank->time == 0. > > In result we always provide zero ti

Re: [PATCH] DRM: VBLANK: provide valid timestamp for EVENT_FLIP

2018-09-26 Thread Ville Syrjälä
On Wed, Sep 26, 2018 at 05:25:35PM +0300, Eugeniy Paltsev wrote: > If driver/HW doesn't support vblank functionality (for example > UDL driver, ARCPGU driver, ...) we always have vblank->time == 0. > In result we always provide zero timestamp for > DRM_EVENT_FLIP_COMPLETE. This breaks userspace app

[PATCH] DRM: VBLANK: provide valid timestamp for EVENT_FLIP

2018-09-26 Thread Eugeniy Paltsev
If driver/HW doesn't support vblank functionality (for example UDL driver, ARCPGU driver, ...) we always have vblank->time == 0. In result we always provide zero timestamp for DRM_EVENT_FLIP_COMPLETE. This breaks userspace apps (for example weston) which relies on timestamp value. Setup time to pr