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: <20181009124520.GA1633@kroah.com>
Date:   Tue, 9 Oct 2018 14:45:20 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     "Deucher, Alexander" <Alexander.Deucher@....com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...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 06:01:50PM +0000, Deucher, Alexander wrote:
> > -----Original Message-----
> > From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > Sent: Monday, October 8, 2018 1:11 PM
> > 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 04:02:19PM +0000, Deucher, Alexander wrote:
> > > > -----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.
> > 
> > So there is no problem in 4.19-rc7?  That contridicts the statement of looking
> > in drm-next for the fixes.
> 
> Sorry, what statement about drm-next?  This patch was for 4.19 and was not intended for 4.18.  It was picked up by Sasha's auto select system for stable.

I thought this thread said that.

Ok, so I should just revert it?

thanks,

greg k-h