On Wed, Dec 18, 2013 at 1:58 PM, Daniel Kurtz <djkurtz@xxxxxxxxxxxx> wrote: > +seanpaul > > I think the problem is that the hdmi irq is really just an undebounced > gpio interrupt, and thus, it is firing way too soon. > The chromium kernel adds an excplicit 1.1 second timer to debounce hpd > between the hdmi hpd-gpio irq and taking any action (ie reading the > edid). I believe this will eventually make its way upstream, but is > still pending some other patches: > > http://git.chromium.org/gitweb/?p=chromiumos/third_party/kernel-next.git;a=blob;f=drivers/gpu/drm/exynos/exynos_hdmi.c;h=1258c67e87f360c846c64bb3f04436a68018b4fe;hb=refs/heads/chromeos-3.8#l2647 Yes, this looks very similar to the approach I tried earlier. I guess the patch was written for the same reasons as well. Sean, any objections to me taking your patch and sending it upstream? http://git.chromium.org/gitweb/?p=chromiumos/third_party/kernel-next.git;a=commitdiff;h=77aed71acf4b84e722ead24c820d8ad059121e5b Thanks Daniel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel