Commit 3fcdcb270936 ("drm/vblank: Switch to bool in_vblank_irq in get_vblank_timestamp") inverted a condition by mistake that resulted in vblank timestamps always being 0 on hardware without a vblank counter. Fix it.
Fixes: 3fcdcb270936 ("drm/vblank: Switch to bool in_vblank_irq in get_vblank_timestamp") Suggested-by: Ville Syrjälä ville.syrjala@linux.intel.com Signed-off-by: Laurent Pinchart laurent.pinchart+renesas@ideasonboard.com --- drivers/gpu/drm/drm_vblank.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Daniel,
The offending commit is in Dave's master branch, scheduled for merge in v4.13-rc1. How would you like to handle this one ?
diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c index 05d043e9219f..bfe86fa2d3b1 100644 --- a/drivers/gpu/drm/drm_vblank.c +++ b/drivers/gpu/drm/drm_vblank.c @@ -277,7 +277,7 @@ static void drm_update_vblank_count(struct drm_device *dev, unsigned int pipe, * Otherwise reinitialize delayed at next vblank interrupt and assign 0 * for now, to mark the vblanktimestamp as invalid. */ - if (!rc && in_vblank_irq) + if (!rc && !in_vblank_irq) t_vblank = (struct timeval) {0, 0};
store_vblank(dev, pipe, diff, &t_vblank, cur_vblank);