From 562ae1f29fd4946c5204bacc9eaa4ee13e809753 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 18 Apr 2016 20:56:05 +0100 Subject: [PATCH] sna/present: Postpone recursed vblank during TearFree by 1ms Avoid postponing until the next vblank to avoid continually recursing every TearFree update, and to minimise the presentation delay. References: https://bugs.freedesktop.org/show_bug.cgi?id=94982 Signed-off-by: Chris Wilson --- src/sna/sna_present.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/src/sna/sna_present.c b/src/sna/sna_present.c index 2f181a9f..f5d15154 100644 --- a/src/sna/sna_present.c +++ b/src/sna/sna_present.c @@ -394,8 +394,7 @@ sna_present_vblank_handler(struct drm_event_vblank *event) if (info->sna->mode.shadow_wait) { DBG(("%s: recursed from TearFree\n", __FUNCTION__)); - info->target_msc = msc + 1; - if (sna_present_queue(info, msc)) + if (TimerSet(NULL, 0, 1, sna_fake_vblank_handler, info)) return; }