Commit 549a7549 authored Sep 03, 2014 by Tomi Valkeinen

drm/omap: page_flip: return -EBUSY if flip pending



The DRM documentation says:

"If a page flip is already pending, the page_flip operation must return
-EBUSY."

Currently omapdrm returns -EINVAL instead. Fix omapdrm by returning
-EBUSY.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

parent 17337297

drivers/gpu/drm/omapdrm/omap_crtc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -606,7 +606,7 @@ static int omap_crtc_page_flip_locked(struct drm_crtc *crtc,
		if (omap_crtc->old_fb) {
		spin_unlock_irqrestore(&dev->event_lock, flags);
		dev_err(dev->dev, "already a pending flip\n");
		return -EINVAL;
		return -EBUSY;
		}

		omap_crtc->event = event;