From: Laurent Pinchart Date: Fri, 10 Feb 2017 11:30:35 +0000 (+0200) Subject: drm: rcar-du: Handle event when disabling CRTCs X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=6dd47cfd03a058d08b8caffb06194aa0eb109cf1;p=openwrt%2Fstaging%2Fblogic.git drm: rcar-du: Handle event when disabling CRTCs The driver currently handles vblank events only when updating planes on a CRTC. The atomic update API however allows requesting an event when disabling a CRTC. This currently leads to event objects being leaked in the kernel and to events not being sent out. Fix it. Signed-off-by: Laurent Pinchart --- diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index edcbe2e3625d..04046c0faffd 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -488,6 +488,13 @@ static void rcar_du_crtc_disable(struct drm_crtc *crtc) rcar_du_crtc_stop(rcrtc); rcar_du_crtc_put(rcrtc); + spin_lock_irq(&crtc->dev->event_lock); + if (crtc->state->event) { + drm_crtc_send_vblank_event(crtc, crtc->state->event); + crtc->state->event = NULL; + } + spin_unlock_irq(&crtc->dev->event_lock); + rcrtc->outputs = 0; }