Re: [Intel-gfx] Broken DPMS with DisplayPort on CHV (also BYT?)

2017-01-31 Thread Jeffrey Cheung
Hi Takashi Thanks a lot. --- Hi Sridhara Can you please try the test kernel ? Regards Jeffrey >>> Takashi Iwai 2017/1/31 下午 13:49 >>>On Tue, 31 Jan 2017 >>> 03:34:23 +0100, Jeffrey Cheung wrote: > > Hi Takashi > > How is the test kernel ? Just wonder when Sridhara team

Re: [Intel-gfx] Broken DPMS with DisplayPort on CHV (also BYT?)

2017-01-31 Thread Jeffrey Cheung
Hi Takashi How is the test kernel ? Just wonder when Sridhara team can test again. Regards Jeffrey >>> Takashi Iwai 2017/1/27 下午 18:29 >>>On Thu, 26 Jan 2017 >>> 15:19:44 +0100, Takashi Iwai wrote: > > On Thu, 26 Jan 2017 14:58:55 +0100, > Ville Syrjälä wrote: > > > > Hmm.

Re: [Intel-gfx] Broken DPMS with DisplayPort on CHV (also BYT?)

2017-01-30 Thread Sridhara.Venkatanara
, 2017 11:39 AM To: ti...@suse.de Cc: Venkatanara, Sridhara <sridhara_venkatan...@dell.com>; angus.c...@intel.com; ray@intel.com; ville.syrj...@linux.intel.com; intel-gfx@lists.freedesktop.org; mma...@suse.cz Subject: Re: [Intel-gfx] Broken DPMS with DisplayPort on CHV (also BYT?) Hi T

Re: [Intel-gfx] Broken DPMS with DisplayPort on CHV (also BYT?)

2017-01-30 Thread Takashi Iwai
On Tue, 31 Jan 2017 03:34:23 +0100, Jeffrey Cheung wrote: > > Hi Takashi > > How is the test kernel ? Just wonder when Sridhara team can test again. I already informed it in bugzilla and waiting for the test result... http://bugzilla.suse.com/show_bug.cgi?id=1019061#c35 It's found in

Re: [Intel-gfx] Broken DPMS with DisplayPort on CHV (also BYT?)

2017-01-27 Thread Sridhara.Venkatanara
>; Chen, Angus <angus.c...@intel.com>; Jeffrey Cheung <jche...@suse.com>; Hsu, Ray <ray@intel.com>; Venkatanara, Sridhara <sridhara_venkatan...@dell.com> Subject: Re: [Intel-gfx] Broken DPMS with DisplayPort on CHV (also BYT?) On Thu, 26 Jan 2017 14:58:55 +0100,

Re: [Intel-gfx] Broken DPMS with DisplayPort on CHV (also BYT?)

2017-01-27 Thread Takashi Iwai
On Thu, 26 Jan 2017 15:19:44 +0100, Takashi Iwai wrote: > > On Thu, 26 Jan 2017 14:58:55 +0100, > Ville Syrjälä wrote: > > > > Hmm. Have you tried 9f2bdb006a7e ("drm/i915: Prevent PPS stealing > > from a normal DP port on VLV/CHV") ? > > No, it's not tested. I'll prepare a test kernel with it.

Re: [Intel-gfx] Broken DPMS with DisplayPort on CHV (also BYT?)

2017-01-26 Thread Takashi Iwai
On Thu, 26 Jan 2017 14:58:55 +0100, Ville Syrjälä wrote: > > On Wed, Jan 25, 2017 at 01:56:35PM +0100, Takashi Iwai wrote: > > Hi, > > > > we've got a bug report about the blank monitor on Cherry Trail > > machines. And, Intel team (Cc'ed) spotted out that this seems > > triggered by DPMS

Re: [Intel-gfx] Broken DPMS with DisplayPort on CHV (also BYT?)

2017-01-26 Thread Ville Syrjälä
On Wed, Jan 25, 2017 at 01:56:35PM +0100, Takashi Iwai wrote: > Hi, > > we've got a bug report about the blank monitor on Cherry Trail > machines. And, Intel team (Cc'ed) spotted out that this seems > triggered by DPMS transition. A patch like below actually fixes the > problem. > > Of course

[Intel-gfx] Broken DPMS with DisplayPort on CHV (also BYT?)

2017-01-25 Thread Takashi Iwai
Hi, we've got a bug report about the blank monitor on Cherry Trail machines. And, Intel team (Cc'ed) spotted out that this seems triggered by DPMS transition. A patch like below actually fixes the problem. Of course it doesn't look like a right "fix". Do you guys have any hint for further