linux-kernel - RE: [PATCH 4.18 222/235] drm/amd/pp: Send khz clock values to DC for smu7/8

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Message-ID: <BYAPR12MB2775365789A38F9D81CEC45DFBE60@BYAPR12MB2775.namprd12.prod.outlook.com>
Date:   Mon, 8 Oct 2018 16:05:58 +0000
From:   "Zhu, Rex" <Rex.Zhu@....com>
To:     "Deucher, Alexander" <Alexander.Deucher@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "Wentland, Harry" <Harry.Wentland@....com>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: RE: [PATCH 4.18 222/235] drm/amd/pp: Send khz clock values to DC for
 smu7/8

Hi Alex,

Yes, we have fixed this issue in drm-next.
I am trying to dig out the patches in drm-next and will sent them out.

Regards
Rex

> -----Original Message-----
> From: Deucher, Alexander
> Sent: Tuesday, October 9, 2018 12:02 AM
> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: linux-kernel@...r.kernel.org; stable@...r.kernel.org; Wentland, Harry
> <Harry.Wentland@....com>; Zhu, Rex <Rex.Zhu@....com>; Sasha Levin
> <alexander.levin@...rosoft.com>
> Subject: RE: [PATCH 4.18 222/235] drm/amd/pp: Send khz clock values to DC
> for smu7/8
> 
> > -----Original Message-----
> > From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > Sent: Monday, October 8, 2018 10:44 AM
> > To: Deucher, Alexander <Alexander.Deucher@....com>
> > Cc: linux-kernel@...r.kernel.org; stable@...r.kernel.org; Wentland,
> > Harry <Harry.Wentland@....com>; Zhu, Rex <Rex.Zhu@....com>;
> Sasha
> > Levin <alexander.levin@...rosoft.com>
> > Subject: Re: [PATCH 4.18 222/235] drm/amd/pp: Send khz clock values to
> > DC for smu7/8
> >
> > On Mon, Oct 08, 2018 at 02:33:56PM +0000, Deucher, Alexander wrote:
> > > > -----Original Message-----
> > > > From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > > > Sent: Monday, September 24, 2018 7:53 AM
> > > > To: linux-kernel@...r.kernel.org
> > > > Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>;
> > > > stable@...r.kernel.org; Wentland, Harry <Harry.Wentland@....com>;
> > > > Deucher, Alexander <Alexander.Deucher@....com>; Zhu, Rex
> > > > <Rex.Zhu@....com>; Sasha Levin <alexander.levin@...rosoft.com>
> > > > Subject: [PATCH 4.18 222/235] drm/amd/pp: Send khz clock values to
> > > > DC for
> > > > smu7/8
> > > >
> > > > 4.18-stable review patch.  If anyone has any objections, please
> > > > let me
> > know.
> > > >
> > >
> > > This regresses power usage on 4.18.  Please revert.
> > > https://bugzilla.kernel.org/show_bug.cgi?id=201275
> >
> > Is it reverted in "upstream" as well?  If not, please get the fix in
> > there and then I will be glad to backport it here.
> >
> 
> There's no breakage in upstream.  This patch addressed breakages in 4.19
> specifically due to some other refactoring we did in the driver.  I'll try and dig
> out the exact series of patches this addressed.
> 
> Alex
> 
> > thanks,
> >
> > greg k-h