On Fri, May 2, 2014 at 12:40 PM, Tim Gardner <tim.gardner at canonical.com> wrote: > I've bisected a resume regression on a Lenovo x120e to > 177cf92de4aa97ec1435987e91696ed8b5023130 (drm/crtc-helpers: fix dpms on > logic). Everything works fine with this patch reverted on top of > 3.15-rc3. I realize it is correcting a coding error that has been in > place since 3.11, but it is also causing this laptop to resume to a > black screen wherein the platform appears to be locked up (no console, > no network). See attached bisect log and lspci. The BIOS version is 1.15. >
Does the attached patch help? I haven't had a chance to unwind all the logic in the crtc helper code. Alex -------------- next part -------------- A non-text attachment was scrubbed... Name: 0001-drm-radeon-force-connector-dpm-state-to-ON-on-modese.patch Type: text/x-diff Size: 1219 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20140502/598c24b9/attachment.patch>