We'll need that code in the HVS driver, so let's create a shared function
to reuse it.
Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
---
drivers/gpu/drm/vc4/vc4_crtc.c | 23 +++++++++++++++--------
drivers/gpu/drm/vc4/vc4_drv.h | 1 +
2 files changed, 16 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index 9355213dc883..49ff0506e551 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -539,6 +539,20 @@ int vc4_crtc_disable_at_boot(struct drm_crtc *crtc)
return 0;
}
+void vc4_crtc_send_vblank(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ unsigned long flags;
+
+ if (!crtc->state || !crtc->state->event)
+ return;
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+ drm_crtc_send_vblank_event(crtc, crtc->state->event);
+ crtc->state->event = NULL;
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+}
+
static void vc4_crtc_atomic_disable(struct drm_crtc *crtc,
struct drm_atomic_state *state)
{
@@ -562,14 +576,7 @@ static void vc4_crtc_atomic_disable(struct drm_crtc *crtc,
* Make sure we issue a vblank event after disabling the CRTC if
* someone was waiting it.
*/
- if (crtc->state->event) {
- unsigned long flags;
-
- spin_lock_irqsave(&dev->event_lock, flags);
- drm_crtc_send_vblank_event(crtc, crtc->state->event);
- crtc->state->event = NULL;
- spin_unlock_irqrestore(&dev->event_lock, flags);
- }
+ vc4_crtc_send_vblank(crtc);
}
static void vc4_crtc_atomic_enable(struct drm_crtc *crtc,
diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h
index c48a73914200..da52d1e0c7b5 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.h
+++ b/drivers/gpu/drm/vc4/vc4_drv.h
@@ -861,6 +861,7 @@ void vc4_crtc_destroy_state(struct drm_crtc *crtc,
struct drm_crtc_state *state);
void vc4_crtc_reset(struct drm_crtc *crtc);
void vc4_crtc_handle_vblank(struct vc4_crtc *crtc);
+void vc4_crtc_send_vblank(struct drm_crtc *crtc);
void vc4_crtc_get_margins(struct drm_crtc_state *state,
unsigned int *left, unsigned int *right,
unsigned int *top, unsigned int *bottom);
--
2.36.1
