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path: root/drivers/gpu/drm/imx/ipuv3-crtc.c
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Diffstat (limited to 'drivers/gpu/drm/imx/ipuv3-crtc.c')
-rw-r--r--drivers/gpu/drm/imx/ipuv3-crtc.c30
1 files changed, 28 insertions, 2 deletions
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
index 058b53c0aa7e..b1be495b1d06 100644
--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
+++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
@@ -34,6 +34,7 @@ struct ipu_crtc {
struct ipu_dc *dc;
struct ipu_di *di;
int irq;
+ struct drm_pending_vblank_event *event;
};
static inline struct ipu_crtc *to_ipu_crtc(struct drm_crtc *crtc)
@@ -173,8 +174,31 @@ static const struct drm_crtc_funcs ipu_crtc_funcs = {
static irqreturn_t ipu_irq_handler(int irq, void *dev_id)
{
struct ipu_crtc *ipu_crtc = dev_id;
+ struct drm_crtc *crtc = &ipu_crtc->base;
+ unsigned long flags;
+ int i;
+
+ drm_crtc_handle_vblank(crtc);
+
+ if (ipu_crtc->event) {
+ for (i = 0; i < ARRAY_SIZE(ipu_crtc->plane); i++) {
+ struct ipu_plane *plane = ipu_crtc->plane[i];
- drm_crtc_handle_vblank(&ipu_crtc->base);
+ if (!plane)
+ continue;
+
+ if (ipu_plane_atomic_update_pending(&plane->base))
+ break;
+ }
+
+ if (i == ARRAY_SIZE(ipu_crtc->plane)) {
+ spin_lock_irqsave(&crtc->dev->event_lock, flags);
+ drm_crtc_send_vblank_event(crtc, ipu_crtc->event);
+ ipu_crtc->event = NULL;
+ drm_crtc_vblank_put(crtc);
+ spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
+ }
+ }
return IRQ_HANDLED;
}
@@ -223,8 +247,10 @@ static void ipu_crtc_atomic_flush(struct drm_crtc *crtc,
{
spin_lock_irq(&crtc->dev->event_lock);
if (crtc->state->event) {
+ struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc);
+
WARN_ON(drm_crtc_vblank_get(crtc));
- drm_crtc_arm_vblank_event(crtc, crtc->state->event);
+ ipu_crtc->event = crtc->state->event;
crtc->state->event = NULL;
}
spin_unlock_irq(&crtc->dev->event_lock);