i915: black screen after blank when LID is closed on Linux >= 3.1

2012-11-22 Thread Daniel Vetter
On Thu, Nov 22, 2012 at 10:35:22PM +0100, Krzysztof Mazur wrote: > On Thu, Nov 22, 2012 at 09:17:54PM +0100, Daniel Vetter wrote: > > Hi, > > > > > > Since a dpms ioctl call tends to follow a modeset, this likely only > > results in that dpms call enabling the hw again. Can you please add > > drm

i915: black screen after blank when LID is closed on Linux >= 3.1

2012-11-22 Thread Krzysztof Mazur
On Thu, Nov 22, 2012 at 09:17:54PM +0100, Daniel Vetter wrote: > Hi, > > > Since a dpms ioctl call tends to follow a modeset, this likely only > results in that dpms call enabling the hw again. Can you please add > drm.debug=0xe to your kernel cmdline and boot into a 3.6 with this > hack applied,

i915: black screen after blank when LID is closed on Linux >= 3.1

2012-11-22 Thread Krzysztof Mazur
On Thu, Nov 22, 2012 at 09:17:54PM +0100, Daniel Vetter wrote: > Hi, > > Thanks for the report. Now this smells like something which could take > a bit longer to track down, so can you please file this on > bugs.freedesktop.org against DRM -> DRI/Intel to ensure that we dont' > loose track of it?

i915: black screen after blank when LID is closed on Linux >= 3.1

2012-11-22 Thread Krzysztof Mazur
Hi, since Linux 3.1 I'm having some problems with i915 driver on HP nc6120 with 915GM chipset. The display goes black after the kernel tries to blank screen while LID is closed (see steps to reproduce to more detailed description). Currently I'm using Linux 3.7-rc6 with KMS enabled and disabled A

Re: i915: black screen after blank when LID is closed on Linux >= 3.1

2012-11-22 Thread Krzysztof Mazur
On Thu, Nov 22, 2012 at 09:17:54PM +0100, Daniel Vetter wrote: > Hi, > > > Since a dpms ioctl call tends to follow a modeset, this likely only > results in that dpms call enabling the hw again. Can you please add > drm.debug=0xe to your kernel cmdline and boot into a 3.6 with this > hack applied,

Re: i915: black screen after blank when LID is closed on Linux >= 3.1

2012-11-22 Thread Krzysztof Mazur
On Thu, Nov 22, 2012 at 09:17:54PM +0100, Daniel Vetter wrote: > Hi, > > Thanks for the report. Now this smells like something which could take > a bit longer to track down, so can you please file this on > bugs.freedesktop.org against DRM -> DRI/Intel to ensure that we dont' > loose track of it?

i915: black screen after blank when LID is closed on Linux >= 3.1

2012-11-22 Thread Krzysztof Mazur
Hi, since Linux 3.1 I'm having some problems with i915 driver on HP nc6120 with 915GM chipset. The display goes black after the kernel tries to blank screen while LID is closed (see steps to reproduce to more detailed description). Currently I'm using Linux 3.7-rc6 with KMS enabled and disabled A

Re: i915: black screen after blank when LID is closed on Linux >= 3.1

2012-11-22 Thread Daniel Vetter
On Thu, Nov 22, 2012 at 10:35:22PM +0100, Krzysztof Mazur wrote: > On Thu, Nov 22, 2012 at 09:17:54PM +0100, Daniel Vetter wrote: > > Hi, > > > > > > Since a dpms ioctl call tends to follow a modeset, this likely only > > results in that dpms call enabling the hw again. Can you please add > > drm