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. > 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. > > 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
