linux-kernel - Re: [PATCH] i915: fix DRM_I915_GVT

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Message-Id: <6201c467-e5f2-4aa1-967c-8d9116c5367a@app.fastmail.com>
Date: Thu, 17 Oct 2024 05:11:37 +0000
From: "Arnd Bergmann" <arnd@...db.de>
To: "Sean Christopherson" <seanjc@...gle.com>,
 "Arnd Bergmann" <arnd@...nel.org>
Cc: "Jani Nikula" <jani.nikula@...ux.intel.com>,
 "Joonas Lahtinen" <joonas.lahtinen@...ux.intel.com>,
 "Rodrigo Vivi" <rodrigo.vivi@...el.com>,
 "Tvrtko Ursulin" <tursulin@...ulin.net>, "Dave Airlie" <airlied@...il.com>,
 "Simona Vetter" <simona@...ll.ch>, "Paolo Bonzini" <pbonzini@...hat.com>,
 "Maxime Ripard" <mripard@...nel.org>,
 "Geert Uytterhoeven" <geert+renesas@...der.be>,
 "Imre Deak" <imre.deak@...el.com>, intel-gfx@...ts.freedesktop.org,
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i915: fix DRM_I915_GVT_KVMGT dependencies

On Thu, Oct 17, 2024, at 00:26, Sean Christopherson wrote:
> On Tue, Oct 15, 2024, Arnd Bergmann wrote:
>> diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig
>> index 46301c06d18a..985cb78d8256 100644
>> --- a/drivers/gpu/drm/i915/Kconfig
>> +++ b/drivers/gpu/drm/i915/Kconfig
>> @@ -118,9 +118,8 @@ config DRM_I915_USERPTR
>>  config DRM_I915_GVT_KVMGT
>>  	tristate "Enable KVM host support Intel GVT-g graphics virtualization"
>>  	depends on DRM_I915
>> -	depends on X86
>> +	depends on KVM_X86
>
> Can GVT-g even work on non-Intel CPUs?  I.e. would it make sense to take a
> dependency on KVM_INTEL?
>

Yes, I think that should work, but I'm not sure if it needs a dependency
on both KVM_INTEL and KVM_X86 in that case, to handle the link-time
dependency in all configurations.

    Arnd