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 wrote: > On Tue, May 21, 2013 at 10:02 AM, Daniel Vetter wrote: >> On Tue, May 21, 2013 at 3:44 PM, Ben Guthro wrote: This will break kms since now you have the vbios and the linux kms driver fighting over the same piece of hw. Does

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 wrote: > On Tue, May 21, 2013 at 3:44 PM, Ben Guthro 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 s

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 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 9:44 AM, Ben Guthro wrote: > On Tue, May 21, 2013 at 4:00 AM, Daniel Vetter 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 wrote: >>> > On Thu, May 16, 2013 at 9:24 AM, Ben Guthro wrote: >>> >> On Wed

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 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 wrote: >> > On Thu, May 16, 2013 at 9:24 AM, Ben Guthro wrote: >> >> On Wed, May 15, 2013 at 4:42 PM, Ben Guthro wrote: >> >>> On Tu

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

2013-05-21 Thread Daniel Vetter
On Fri, May 17, 2013 at 09:26:18AM -0400, Ben Guthro wrote: > On Fri, May 17, 2013 at 7:52 AM, Ben Guthro wrote: > > On Thu, May 16, 2013 at 9:24 AM, Ben Guthro wrote: > >> On Wed, May 15, 2013 at 4:42 PM, Ben Guthro wrote: > >>> On Tue, May 14, 2013 at 5:01 PM, Ben Guthro wrote: > I am at

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 wrote: > On Thu, May 16, 2013 at 9:24 AM, Ben Guthro wrote: >> On Wed, May 15, 2013 at 4:42 PM, Ben Guthro wrote: >>> On Tue, May 14, 2013 at 5:01 PM, Ben Guthro wrote: I am attempting to debug an issue with some Haswell laptop systems which

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 wrote: > On Wed, May 15, 2013 at 4:42 PM, Ben Guthro wrote: >> On Tue, May 14, 2013 at 5:01 PM, Ben Guthro wrote: >>> I am attempting to debug an issue with some Haswell laptop systems >>> which do not restore their screen after resuming from S3 when r

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 wrote: > On Tue, May 14, 2013 at 5:01 PM, Ben Guthro 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 backli

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 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 trying to

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

2013-05-14 Thread Ben Guthro
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 trying to determine what was going wrong, I tried looking at the output o