Hi, On 30 January 2015 at 14:30, Gustavo Padovan <gustavo@xxxxxxxxxxx> wrote: > 2015-01-30 Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>: >> We will lose unfinished prior events by this change. That's why we use >> linked list. > > I think you are right, but I was using exynos_crtc->event to do exactly the > same as exynos_crtc->pending_flip. So we were losing a event in > exynos_drm_crtc_dpms() before too. I change this patch to have a page_flip > list on the crtc. The usual approach in other drivers is to return -EBUSY when there is already an async pageflip pending. This definitely makes sense to me, as I don't see the point of submitting pageflips faster than the hardware can actually render, and pretending to the application that they were actually shown. Cheers, Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html