On Tue, 14 Mar 2017, Damian Dominik Martinez Dreyer <damian@xxxxxxxxxxx> wrote: > I am writing regarding this kernel patch: https://git.kernel.org/pub/sc > m/linux/kernel/git/stable/stable-queue.git/tree/releases/4.9.9/drm- > i915-execlists-reset-ring-registers-upon-resume.patch . That would be commit f2a0409a08502d64fbe3990354dff5902b08d2fb Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Date: Wed Sep 21 14:51:08 2016 +0100 drm/i915/execlists: Reset RING registers upon resume commit bafb2f7d4755bf1571bd5e9a03b97f3fc4fe69ae upstream. in v4.9.9 not just a patch. > I have identified this by bisect to be the cause of a suspend and > resume issue. Please see https://github.com/kxv/linux49.9 for the > bisect history. > > After this change, a Laptop (HP Spectre x360) with Intel HD Graphics > 520 will wake up from suspend to a blank screen. > > Please also see this thread on the manjaro linux forum: https://forum.m > anjaro.org/t/linux-4-9-9-breaks-hibernation-4-9-8-works/17499 . Please file a bug over at [1], with the information added to the bug. Also mention if v4.10 works for you; that's where the commit was backported to v4.9.9 from. BR, Jani. [1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
