diff options
| author |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-06-08 14:18:58 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-06-10 16:55:48 +0200 |
| commit | a33e93dba23b7f03297d1eb5ab91feaa88cccd97 (patch) | |
| tree | 547b304a684bac08218b466b8dce2094fa550433 /drivers/gpu/drm/sun4i | |
| parent | drm/arc: Actually bother with handling atomic events. (diff) | |
| download | linux-dev-a33e93dba23b7f03297d1eb5ab91feaa88cccd97.tar.xz linux-dev-a33e93dba23b7f03297d1eb5ab91feaa88cccd97.zip | |
drm/sun4i: Implement some semblance of vblank event handling
atomic_flush seems to be the right place, right after we commit the
plane updates. Again use the fullproof version, since the pipe might
be off.
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465388359-8070-6-git-send-email-daniel.vetter@ffwll.ch
Diffstat (limited to 'drivers/gpu/drm/sun4i')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_crtc.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_crtc.c b/drivers/gpu/drm/sun4i/sun4i_crtc.c index 4182a21f5923..f628b6d8f23f 100644 --- a/drivers/gpu/drm/sun4i/sun4i_crtc.c +++ b/drivers/gpu/drm/sun4i/sun4i_crtc.c @@ -51,10 +51,22 @@ static void sun4i_crtc_atomic_flush(struct drm_crtc *crtc, { struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc); struct sun4i_drv *drv = scrtc->drv; + struct drm_pending_vblank_event *event = crtc->state->event; DRM_DEBUG_DRIVER("Committing plane changes\n"); sun4i_backend_commit(drv->backend); + + if (event) { + crtc->state->event = NULL; + + spin_lock_irq(&crtc->dev->event_lock); + if (drm_crtc_vblank_get(crtc) == 0) + drm_crtc_arm_vblank_event(crtc, event); + else + drm_crtc_send_vblank_event(crtc, event); + spin_unlock_irq(&crtc->dev->event_lock); + } } static void sun4i_crtc_disable(struct drm_crtc *crtc) |