Re: [Intel-gfx] debugging Haswell eDP black screen after S3

2013-05-28 Thread Ben Guthro
On Tue, May 21, 2013 at 1:28 PM, Ben Guthro b...@guthro.net wrote: On Tue, May 21, 2013 at 10:02 AM, Daniel Vetter dan...@ffwll.ch wrote: On Tue, May 21, 2013 at 3:44 PM, Ben Guthro b...@guthro.net wrote: This will break kms since now you have the vbios and the linux kms driver fighting over

Re: [Intel-gfx] debugging Haswell eDP black screen after S3

2013-05-21 Thread Ben Guthro
On Tue, May 21, 2013 at 4:00 AM, Daniel Vetter dan...@ffwll.ch wrote: On Fri, May 17, 2013 at 09:26:18AM -0400, Ben Guthro wrote: On Fri, May 17, 2013 at 7:52 AM, Ben Guthro b...@guthro.net wrote: On Thu, May 16, 2013 at 9:24 AM, Ben Guthro b...@guthro.net wrote: On Wed, May 15, 2013 at 4:42

Re: [Intel-gfx] debugging Haswell eDP black screen after S3

2013-05-21 Thread Ben Guthro
On Tue, May 21, 2013 at 9:44 AM, Ben Guthro b...@guthro.net wrote: On Tue, May 21, 2013 at 4:00 AM, Daniel Vetter dan...@ffwll.ch wrote: On Fri, May 17, 2013 at 09:26:18AM -0400, Ben Guthro wrote: On Fri, May 17, 2013 at 7:52 AM, Ben Guthro b...@guthro.net wrote: On Thu, May 16, 2013 at 9:24

Re: [Intel-gfx] debugging Haswell eDP black screen after S3

2013-05-21 Thread Daniel Vetter
On Tue, May 21, 2013 at 3:44 PM, Ben Guthro b...@guthro.net wrote: This will break kms since now you have the vbios and the linux kms driver fighting over the same piece of hw. Does xset dpms force off xset dpms force on cause similar issues? No, these work as expected (on 3.8) I didn't

Re: [Intel-gfx] debugging Haswell eDP black screen after S3

2013-05-21 Thread Ben Guthro
On Tue, May 21, 2013 at 10:02 AM, Daniel Vetter dan...@ffwll.ch wrote: On Tue, May 21, 2013 at 3:44 PM, Ben Guthro b...@guthro.net wrote: This will break kms since now you have the vbios and the linux kms driver fighting over the same piece of hw. Does xset dpms force off xset dpms force on

Re: [Intel-gfx] debugging Haswell eDP black screen after S3

2013-05-17 Thread Ben Guthro
On Thu, May 16, 2013 at 9:24 AM, Ben Guthro b...@guthro.net wrote: On Wed, May 15, 2013 at 4:42 PM, Ben Guthro b...@guthro.net wrote: On Tue, May 14, 2013 at 5:01 PM, Ben Guthro b...@guthro.net wrote: I am attempting to debug an issue with some Haswell laptop systems which do not restore their

Re: [Intel-gfx] debugging Haswell eDP black screen after S3

2013-05-17 Thread Ben Guthro
On Fri, May 17, 2013 at 7:52 AM, Ben Guthro b...@guthro.net wrote: On Thu, May 16, 2013 at 9:24 AM, Ben Guthro b...@guthro.net wrote: On Wed, May 15, 2013 at 4:42 PM, Ben Guthro b...@guthro.net wrote: On Tue, May 14, 2013 at 5:01 PM, Ben Guthro b...@guthro.net wrote: I am attempting to debug

Re: [Intel-gfx] debugging Haswell eDP black screen after S3

2013-05-16 Thread Ben Guthro
On Wed, May 15, 2013 at 4:42 PM, Ben Guthro b...@guthro.net wrote: On Tue, May 14, 2013 at 5:01 PM, Ben Guthro b...@guthro.net wrote: I am attempting to debug an issue with some Haswell laptop systems which do not restore their screen after resuming from S3 when running on the stable 3.8

Re: [Intel-gfx] debugging Haswell eDP black screen after S3

2013-05-15 Thread Ben Guthro
On Tue, May 14, 2013 at 5:01 PM, Ben Guthro b...@guthro.net wrote: I am attempting to debug an issue with some Haswell laptop systems which do not restore their screen after resuming from S3 when running on the stable 3.8 kernel (3.8.13) The backlight is OK, but the screen is just black. In