On 02/02/18 12:16 AM, Zhu, Rex wrote: > Hi Tom, > > The attached patch should be able to fix this issue. > > Best Regards > Rex Hi Rex, Yup, works fine with the patch. Cheers, Tom > > > > -----Original Message----- > From: StDenis, Tom > Sent: Friday, February 02, 2018 2:58 AM > To: Deucher, Alexander; amd-gfx mailing list > Cc: Zhu, Rex; Lazare, Jordan; Wentland, Harry > Subject: Re: MCLK defaults high on second card > > On 01/02/18 01:54 PM, Deucher, Alexander wrote: >> Does it also work properly with dc disabled? I suspect a bug >> somewhere in the display info that dc generated when no displays are attached. >> See smu7_program_display_gap(). > > Yup, with dc=0 the clock is correctly set. > > I'll take a peak (tomorrow) but I suspect it'll probably be more fruitful to hand it over to the display team. > > Thanks, > Tom > >> >> >> Alex >> >> ---------------------------------------------------------------------- >> -- >> *From:* StDenis, Tom >> *Sent:* Thursday, February 1, 2018 1:43 PM >> *To:* Deucher, Alexander; amd-gfx mailing list >> *Cc:* Zhu, Rex >> *Subject:* Re: MCLK defaults high on second card On 01/02/18 01:36 PM, >> Deucher, Alexander wrote: >>> Are there any displays attached to the secondary card with the mclks >>> stuck high? If not, does attaching a display help? >> >> Stealing the display from my primary (CZ in this case) does help, and >> then putting it back the MCLK remains low. >> >> Tom >> >>> >>> >>> Alex >>> >>> --------------------------------------------------------------------- >>> --- >>> *From:* amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of >>> Tom St Denis <tom.stdenis at amd.com> >>> *Sent:* Thursday, February 1, 2018 1:14:43 PM >>> *To:* amd-gfx mailing list >>> *Cc:* Zhu, Rex >>> *Subject:* MCLK defaults high on second card Hi, >>> >>> I have a setup with a CZ + Polaris10 and on the Polaris10 the SCLK >>> idles low and the MCLK stays in the 2nd state (1750MHz) but on my >>> Workstation which has a single 560 in it the card idles at 300MHz >>> (with the stock >>> FC27 kernel). >>> >>> Is there an issue with non-primary cards idling properly? >>> >>> Doing >>> >>> echo 0 > >>> /sys/devices/pci0000:00/0000:00:03.1/0000:21:00.0/pp_dpm_mclk >>> >>> Doesn't result in low clock rates either. >>> >>> Tom >>> _______________________________________________ >>> amd-gfx mailing list >>> amd-gfx at lists.freedesktop.org >>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx >> >
