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Commit 15b181a3 authored by Laurent Pinchart's avatar Laurent Pinchart
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drm: rcar-du: Clear handled event pointer in CRTC state 



The atomic commit helper requires drivers to clear the event pointer
stored in the CRTC state when the event is handled. In preparation to
using the helper, fix the driver.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
parent 6dd47cfd

drivers/gpu/drm/rcar-du/rcar_du_crtc.c

+3 −3
Original line number Diff line number Diff line
@@ -501,16 +501,16 @@ static void rcar_du_crtc_disable(struct drm_crtc *crtc) 
static void rcar_du_crtc_atomic_begin(struct drm_crtc *crtc,

				      struct drm_crtc_state *old_crtc_state)

{

	struct drm_pending_vblank_event *event = crtc->state->event;

	struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc);

	struct drm_device *dev = rcrtc->crtc.dev;

	unsigned long flags;



	if (event) {

	if (crtc->state->event) {

		WARN_ON(drm_crtc_vblank_get(crtc) != 0);



		spin_lock_irqsave(&dev->event_lock, flags);

		rcrtc->event = event;

		rcrtc->event = crtc->state->event;

		crtc->state->event = NULL;

		spin_unlock_irqrestore(&dev->event_lock, flags);

	}