linux-kernel - Re: `AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT=y` causes AMDGPU to fail on Ryzen: amdgpu: SME is not compatible with RAVEN

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Message-ID: <YV36SOwDTVkUbQAx@zn.tnic>
Date:   Wed, 6 Oct 2021 21:34:32 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Alex Deucher <alexdeucher@...il.com>
Cc:     Tom Lendacky <Thomas.Lendacky@....com>,
        Paul Menzel <pmenzel@...gen.mpg.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, X86 ML <x86@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>
Subject: Re: `AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT=y` causes AMDGPU to fail on
 Ryzen: amdgpu: SME is not compatible with RAVEN

On Wed, Oct 06, 2021 at 02:36:56PM -0400, Alex Deucher wrote:
> From the x86 model and family info?  I think Raven has different
> families from other Zen based CPUs.

Yeah, I'd like to avoid a f/m/s mapping table, if possible. Those things
should be a last resort and they always need adjustment when new models
pop up.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette