diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_crtc.c')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_crtc.c | 69 |
1 files changed, 36 insertions, 33 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index c47899738eb4..0872aa2f450f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -25,14 +25,9 @@ static void exynos_drm_crtc_enable(struct drm_crtc *crtc) { struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); - if (exynos_crtc->enabled) - return; - if (exynos_crtc->ops->enable) exynos_crtc->ops->enable(exynos_crtc); - exynos_crtc->enabled = true; - drm_crtc_vblank_on(crtc); } @@ -40,20 +35,10 @@ static void exynos_drm_crtc_disable(struct drm_crtc *crtc) { struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); - if (!exynos_crtc->enabled) - return; - - /* wait for the completion of page flip. */ - if (!wait_event_timeout(exynos_crtc->pending_flip_queue, - (exynos_crtc->event == NULL), HZ/20)) - exynos_crtc->event = NULL; - drm_crtc_vblank_off(crtc); if (exynos_crtc->ops->disable) exynos_crtc->ops->disable(exynos_crtc); - - exynos_crtc->enabled = false; } static bool @@ -83,16 +68,32 @@ static void exynos_crtc_atomic_begin(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) { struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); + struct drm_plane *plane; + + exynos_crtc->event = crtc->state->event; - if (crtc->state->event) { - WARN_ON(drm_crtc_vblank_get(crtc) != 0); - exynos_crtc->event = crtc->state->event; + drm_atomic_crtc_for_each_plane(plane, crtc) { + struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane); + + if (exynos_crtc->ops->atomic_begin) + exynos_crtc->ops->atomic_begin(exynos_crtc, + exynos_plane); } } static void exynos_crtc_atomic_flush(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) { + struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); + struct drm_plane *plane; + + drm_atomic_crtc_for_each_plane(plane, crtc) { + struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane); + + if (exynos_crtc->ops->atomic_flush) + exynos_crtc->ops->atomic_flush(exynos_crtc, + exynos_plane); + } } static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = { @@ -140,13 +141,13 @@ struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev, if (!exynos_crtc) return ERR_PTR(-ENOMEM); - init_waitqueue_head(&exynos_crtc->pending_flip_queue); - exynos_crtc->pipe = pipe; exynos_crtc->type = type; exynos_crtc->ops = ops; exynos_crtc->ctx = ctx; + init_waitqueue_head(&exynos_crtc->wait_update); + crtc = &exynos_crtc->base; private->crtc[pipe] = crtc; @@ -172,9 +173,6 @@ int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int pipe) struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(private->crtc[pipe]); - if (!exynos_crtc->enabled) - return -EPERM; - if (exynos_crtc->ops->enable_vblank) return exynos_crtc->ops->enable_vblank(exynos_crtc); @@ -187,26 +185,31 @@ void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int pipe) struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(private->crtc[pipe]); - if (!exynos_crtc->enabled) - return; - if (exynos_crtc->ops->disable_vblank) exynos_crtc->ops->disable_vblank(exynos_crtc); } -void exynos_drm_crtc_finish_pageflip(struct exynos_drm_crtc *exynos_crtc) +void exynos_drm_crtc_wait_pending_update(struct exynos_drm_crtc *exynos_crtc) +{ + wait_event_timeout(exynos_crtc->wait_update, + (atomic_read(&exynos_crtc->pending_update) == 0), + msecs_to_jiffies(50)); +} + +void exynos_drm_crtc_finish_update(struct exynos_drm_crtc *exynos_crtc, + struct exynos_drm_plane *exynos_plane) { struct drm_crtc *crtc = &exynos_crtc->base; unsigned long flags; - spin_lock_irqsave(&crtc->dev->event_lock, flags); - if (exynos_crtc->event) { + exynos_plane->pending_fb = NULL; - drm_crtc_send_vblank_event(crtc, exynos_crtc->event); - drm_crtc_vblank_put(crtc); - wake_up(&exynos_crtc->pending_flip_queue); + if (atomic_dec_and_test(&exynos_crtc->pending_update)) + wake_up(&exynos_crtc->wait_update); - } + spin_lock_irqsave(&crtc->dev->event_lock, flags); + if (exynos_crtc->event) + drm_crtc_send_vblank_event(crtc, exynos_crtc->event); exynos_crtc->event = NULL; spin_unlock_irqrestore(&crtc->dev->event_lock, flags); |