From 3b24f7d6758165919ba7b83b3c8365c38ffacc0b Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Wed, 8 Jun 2016 14:19:00 +0200 Subject: drm/atomic: Add struct drm_crtc_commit to track async updates Split out from my big nonblocking atomic commit helper code as prep work. While add it, also add some neat asciiart to document how it's supposed to be used. v2: Resurrect misplaced hunk in the kerneldoc. v3: Wording improvements from Liviu. Tested-by: Tomeu Vizoso Cc: Maarten Lankhorst Cc: Tomeu Vizoso Cc: Daniel Stone Tested-by: Liviu Dudau Reviewed-by: Maarten Lankhorst Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/1465388359-8070-8-git-send-email-daniel.vetter@ffwll.ch --- drivers/gpu/drm/drm_fops.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/gpu/drm/drm_fops.c') diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 64121f567234..a27bc7cda975 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -797,6 +797,12 @@ void drm_send_event_locked(struct drm_device *dev, struct drm_pending_event *e) { assert_spin_locked(&dev->event_lock); + if (e->completion) { + /* ->completion might disappear as soon as it signalled. */ + complete_all(e->completion); + e->completion = NULL; + } + if (e->fence) { fence_signal(e->fence); fence_put(e->fence); -- cgit v1.2.3-70-g09d2