On Wed, Mar 14, 2018 at 04:35:55PM -0700, Pandiyan, Dhinakaran wrote: > > > > 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? Unfortunately no. All changes current in dinq and not on drm-intel-next are only going to 4.18-rc1. > > 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
