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 --- drivers/gpu/drm/omapdrm/omap_crtc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c index 2d28dc337cfb..0812b0f80167 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.c +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c @@ -360,7 +360,7 @@ 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;