From 7da0e124af76c79927f0d7abcc58d58d0fd7072f Mon Sep 17 00:00:00 2001 From: Maarten Lankhorst Date: Thu, 8 Dec 2016 14:45:24 +0100 Subject: [PATCH] drm/atomic: Use active instead of enable in wait_for_vblanks. When DPMS was introduced to atomic, vblanks only worked when the crtc was enabled and active. wait_for_vblanks were not converted to check for crtc_state->active, which may cause an attempt for vblank_get to fail. This is probably harmless, but convert from enable to active anyway. Signed-off-by: Maarten Lankhorst Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/1481204729-9058-2-git-send-email-maarten.lankhorst@linux.intel.com --- drivers/gpu/drm/drm_atomic_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 583f47f27b36..23767df72615 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1117,7 +1117,7 @@ drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, * vblank wait) in the ->enable boolean. */ old_crtc_state->enable = false; - if (!crtc->state->enable) + if (!crtc->state->active) continue; /* Legacy cursor ioctls are completely unsynced, and userspace -- 2.20.1