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From:   "Deucher, Alexander" <Alexander.Deucher@amd.com>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC:     "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "stable@vger.kernel.org" <stable@vger.kernel.org>,
        "Wentland, Harry" <Harry.Wentland@amd.com>,
        "Zhu, Rex" <Rex.Zhu@amd.com>,
        Sasha Levin <alexander.levin@microsoft.com>
Subject: RE: [PATCH 4.18 222/235] drm/amd/pp: Send khz clock values to DC for
 smu7/8
Thread-Topic: [PATCH 4.18 222/235] drm/amd/pp: Send khz clock values to DC for
 smu7/8
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Date:   Mon, 8 Oct 2018 16:02:19 +0000
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> -----Original Message-----
> From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Sent: Monday, October 8, 2018 10:44 AM
> To: Deucher, Alexander <Alexander.Deucher@amd.com>
> Cc: linux-kernel@vger.kernel.org; stable@vger.kernel.org; Wentland, Harry
> <Harry.Wentland@amd.com>; Zhu, Rex <Rex.Zhu@amd.com>; Sasha Levin
> <alexander.levin@microsoft.com>
> Subject: Re: [PATCH 4.18 222/235] drm/amd/pp: Send khz clock values to DC
> for smu7/8
>=20
> On Mon, Oct 08, 2018 at 02:33:56PM +0000, Deucher, Alexander wrote:
> > > -----Original Message-----
> > > From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > > Sent: Monday, September 24, 2018 7:53 AM
> > > To: linux-kernel@vger.kernel.org
> > > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>;
> > > stable@vger.kernel.org; Wentland, Harry <Harry.Wentland@amd.com>;
> > > Deucher, Alexander <Alexander.Deucher@amd.com>; Zhu, Rex
> > > <Rex.Zhu@amd.com>; Sasha Levin <alexander.levin@microsoft.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 m=
e
> know.
> > >
> >
> > This regresses power usage on 4.18.  Please revert.
> > https://bugzilla.kernel.org/show_bug.cgi?id=3D201275
>=20
> Is it reverted in "upstream" as well?  If not, please get the fix in ther=
e and
> then I will be glad to backport it here.
>=20

There's no breakage in upstream.  This patch addressed breakages in 4.19 sp=
ecifically due to some other refactoring we did in the driver.  I'll try an=
d dig out the exact series of patches this addressed.

Alex

> thanks,
>=20
> greg k-h