On Wed, 2018-03-14 at 23:09 +0100, Hans de Goede wrote: > Hi, > > On 14-03-18 21:49, Pandiyan, Dhinakaran wrote: > > > > On Wed, 2018-02-14 at 09:25 +0100, Hans de Goede wrote: > >> Hi, > >> > >> On 12-02-18 18:42, Pandiyan, Dhinakaran wrote: > >>> On Mon, 2018-02-12 at 09:45 +0100, Hans de Goede wrote: > >>>> Hi, > >>>> > >>>> On 12-02-18 07:08, Dhinakaran Pandiyan wrote: > >>>>> PSR currently when enabled results in semi-permanent freezes or noticeable > >>>>> cursor lags. > >>>>> > >>>>> https://patchwork.freedesktop.org/series/37598/ will fix long freezes due > >>>>> to frame counter resets. > >>>>> > >>>>> This series has three more fixes - > >>>>> Patch 1 eliminates PSR exit for flips and makes us rely on the HW to do it. > >>>>> Patch 2 fixes cusor move lag by relying on HW to exit PSR. > >>>>> Patch 3 fixes temporary freeze seen with fbdev. > >>>>> > >>>>> With both the series applied, PSR on my SKL ThinkPad feels pretty good. > >>>> > >>>> Thank you for your great work on this. > >>>> > >>>> Are there any more PSR fixes in the pipeline? > >>> > >>> Yeah, there are a few more fixes that I hope will appear on the list in > >>> the next two weeks or so. > >> > >> Ok, can you send a mail when you're done (in sofar any software is ever > >> "done") and you would like me to ask all people who have been kind enough > >> to test PSR to retest ? > >> > > > > Hi Hans, > > > > Thanks for your patience and help. I believe the current drm-tip is in a > > decent shape to retest PSR. Booting with i915.enable_psr = 1 is still > > needed. The fixes have been mostly developed/tested on gen-9 hardware > > but they apply to other platforms too. > > Cool, thank you. Current drm-tip will all be merged into 4.17-rc1, right? Rodrigo, Can you help me answer that? > > Then I think I will just wait for that, most distros already provide rc builds > for testing, so that way it will be easy for people to test. > > Regards, > > Hans > > > > > > > > -DK > > > >>>> If not I think I should do > >>>> a custom Fedora kernel build based on 4.15 + recent fixes and ask all my > >>>> testers to retest with that. > >>>> > >>>> I do have some questions before I do this: > >>>> > >>>> 1) I believe that only testers with skylake (normal or LP) or newer should > >>>> re-test, correct? > >>> > >>> These fixes do apply for HSW/BDW, so essentially all the big cores > >>> supporting PSR. But, HSW/BDW need fixes for AUX channel-PSR interaction > >>> also. I haven't looked into CHV/VLV. > >>> > >>>> > >>>> 2) I know there are 2 series (including this one), can someone provide a link > >>>> to the latest patchwork version of those 2 series, or even better a git > >>>> branch with 4.15 + those patches? Any patches I'm missing if I pick up these > >>>> 2 series? > >>> > >>> https://patchwork.freedesktop.org/series/37598/ > >>> https://patchwork.freedesktop.org/series/38067/ > >>> > >>> > >>>> 3) I'm thinking 4.15 atm, but I could also do a 4.16-rc1 test kernel instead > >>>> if that would be better, would that be better ? > >>> > >>> I can't think of any diff that would affect PSR, but the latest is > >>> better I suppose. > >> > >> Ok. > >> > >> Regards, > >> > >> Hans > >> _______________________________________________ > >> Intel-gfx mailing list > >> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > >> https://lists.freedesktop.org/mailman/listinfo/intel-gfx > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
