linux-kernel - Re: [PATCH 5.15 100/262] drm/amd/display: move FPU associated DSC code to DML folder

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Date:   Mon, 7 Mar 2022 18:22:41 +0100
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>,
        "Koenig, Christian" <Christian.Koenig@....com>,
        "Wu, Hersen" <hersenxs.wu@....com>,
        Anson Jacob <Anson.Jacob@....com>,
        "Wentland, Harry" <Harry.Wentland@....com>,
        "Siqueira, Rodrigo" <Rodrigo.Siqueira@....com>,
        "Gutierrez, Agustin" <Agustin.Gutierrez@....com>,
        "Wheeler, Daniel" <Daniel.Wheeler@....com>,
        "Zhuo, Qingqing (Lillian)" <Qingqing.Zhuo@....com>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 5.15 100/262] drm/amd/display: move FPU associated DSC
 code to DML folder

On Mon, Mar 07, 2022 at 05:19:20PM +0000, Deucher, Alexander wrote:
> [Public]
> 
> > -----Original Message-----
> > From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > Sent: Monday, March 7, 2022 4:17 AM
> > To: linux-kernel@...r.kernel.org
> > Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>;
> > stable@...r.kernel.org; Koenig, Christian <Christian.Koenig@....com>;
> > Wu, Hersen <hersenxs.wu@....com>; Anson Jacob
> > <Anson.Jacob@....com>; Wentland, Harry <Harry.Wentland@....com>;
> > Siqueira, Rodrigo <Rodrigo.Siqueira@....com>; Gutierrez, Agustin
> > <Agustin.Gutierrez@....com>; Wheeler, Daniel
> > <Daniel.Wheeler@....com>; Zhuo, Qingqing (Lillian)
> > <Qingqing.Zhuo@....com>; Deucher, Alexander
> > <Alexander.Deucher@....com>; Sasha Levin <sashal@...nel.org>
> > Subject: [PATCH 5.15 100/262] drm/amd/display: move FPU associated DSC
> > code to DML folder
> > 
> > From: Qingqing Zhuo <qingqing.zhuo@....com>
> > 
> > [ Upstream commit d738db6883df3e3c513f9e777c842262693f951b ]
> > 
> > [Why & How]
> > As part of the FPU isolation work documented in
> > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatc
> > hwork.freedesktop.org%2Fseries%2F93042%2F&amp;data=04%7C01%7Calex
> > ander.deucher%40amd.com%7Cf4f4d5bfb9f74edfb8b108da001e6d8f%7C3dd
> > 8961fe4884e608e11a82d994e183d%7C0%7C0%7C637822427968538535%7CUn
> > known%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6
> > Ik1haWwiLCJXVCI6Mn0%3D%7C3000&amp;sdata=2Mm24%2FPkRkih%2BToJ
> > oBGx2wpeth0Z0Rv3dG77D06fHbw%3D&amp;reserved=0, isolate code that
> > uses FPU in DSC to DML, where all FPU code should locate.
> > 
> > This change does not refactor any functions but move code around.
> > 
> 
> This is not a really bug fix, just general reworking of the FP code.  I don't know that this is stable material.

I think it's needed for a follow-on patch in this series, right?