On Tue, Jun 06, 2017 at 05:19:30PM +0100, Ben Hutchings wrote: > On Mon, 2017-06-05 at 18:17 +0200, Greg Kroah-Hartman wrote: > > 4.4-stable review patch. If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Imre Deak <imre.deak@xxxxxxxxx> > > > > commit 4d071c3238987325b9e50e33051a40d1cce311cc upstream. > > > > Some drivers - like i915 - may not support the system suspend direct > > complete optimization due to differences in their runtime and system > > suspend sequence. Add a flag that when set resumes the device before > > calling the driver's system suspend handlers which effectively disables > > the optimization. > > > > Needed by a future patch fixing suspend/resume on i915. > > The patch for i915 isn't in this series, or even in mainline yet, so I > don't think this belongs in stable yet. Also, based on the commit > message (commit adfdf85d795f "drm/i915: Prevent the system suspend > complete optimization") it appears that only 4.8 and later are affected > by the bug. Thanks for digging into this, I was kind of curious about it, but I thought it was fixing an old issue. I've now dropped this from all stable queues. greg k-h