On Thu, Dec 15, 2011 at 2:38 AM, Chris Wilson <chris at chris-wilson.co.uk> wrote: > On Wed, 14 Dec 2011 16:38:09 -0800, Scott James Remnant <keybuk at google.com> wrote: >> > After a little bit of digging I found: >> > http://cgit.freedesktop.org/~ickle/linux-2.6/commit/?h=async&id=470d6985b508466308fc4c6aec945cdbf6de39b8 >> > -Chris >> > >> I've tried this patch, but it doesn't really reduce the startup time >> by much, the mainline of i915_init is still taking >0.7s with the >> patch applied. > > Reverting de842eff4101 (drm/i915: Wait for LVDS panel power sequence) > should get another 0.4s back if intel_lvds_enable() is still in the > critical path. After that the focus looks to be upon speeding up > modeset. > This gives us a significant chunk of time back (>0.5s) - what would be the downside of carrying a revert to this patch? Scott -- Scott James Remnant?|?Chrome OS Systems?|?keybuk at google.com?|?Google
