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

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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>
This commit is contained in:
Tomi Valkeinen 2014-09-03 19:25:50 +00:00
parent 1733729754
commit 549a754981
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/omapdrm/omap_crtc.c
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@ -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;