linux-kernel - RE: [PATCH v2 01/26] drm/xe/pf: Remove GuC version check for migration support

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Message-ID: <BN9PR11MB5276FD0CBCA1AF1E63351A188CFDA@BN9PR11MB5276.namprd11.prod.outlook.com>
Date: Tue, 28 Oct 2025 02:33:22 +0000
From: "Tian, Kevin" <kevin.tian@...el.com>
To: "Winiarski, Michal" <michal.winiarski@...el.com>, Alex Williamson
	<alex.williamson@...hat.com>, "De Marchi, Lucas" <lucas.demarchi@...el.com>,
	Thomas Hellström <thomas.hellstrom@...ux.intel.com>,
	"Vivi, Rodrigo" <rodrigo.vivi@...el.com>, Jason Gunthorpe <jgg@...pe.ca>,
	Yishai Hadas <yishaih@...dia.com>, "intel-xe@...ts.freedesktop.org"
	<intel-xe@...ts.freedesktop.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"Brost, Matthew" <matthew.brost@...el.com>, "Wajdeczko, Michal"
	<Michal.Wajdeczko@...el.com>
CC: "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>, "Jani
 Nikula" <jani.nikula@...ux.intel.com>, Joonas Lahtinen
	<joonas.lahtinen@...ux.intel.com>, Tvrtko Ursulin <tursulin@...ulin.net>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, "Laguna,
 Lukasz" <lukasz.laguna@...el.com>
Subject: RE: [PATCH v2 01/26] drm/xe/pf: Remove GuC version check for
 migration support

> From: Winiarski, Michal <michal.winiarski@...el.com>
> Sent: Wednesday, October 22, 2025 6:41 AM
> 
>  static bool pf_check_migration_support(struct xe_gt *gt)
>  {
> -	/* GuC 70.25 with save/restore v2 is required */
> -	xe_gt_assert(gt, GUC_FIRMWARE_VER(&gt->uc.guc) >=
> MAKE_GUC_VER(70, 25, 0));
> -
>  	/* XXX: for now this is for feature enabling only */
>  	return IS_ENABLED(CONFIG_DRM_XE_DEBUG);

why putting it under a debug option? Now you are sending formal
series for merge, assuming good quality.